Letter to the Editor
Cone beam CT for paranasal sinus and temporal bone: A cost-benefit analysis in Singapore
Dear Editor,
Cone beam computed tomography (CBCT) has emerged as a valuable imaging tool in Otorhinolaryngology or the specialty of ear, nose and throat (ENT), where precise imaging of the sinus and temporal bone pathologies is essential. This paper presents a cost-benefit analysis (CBA) of CBCT in a public healthcare...
Letter to the Editor
Strategic response to mpox in the Singapore Armed Forces: Military public health collaboration and preparedness
Dear Editor,
The Singapore Armed Forces (SAF) has long prioritised infectious disease management as a critical component of military readiness. Mpox, a zoonotic viral disease caused by the monkeypox virus, presents unique challenges due to its transmissibility, potential for severe outcomes, and the logistical vulnerabilities of military environments. With frequent...
Original Article
Omicron SARS-CoV-2 outcomes in vaccinated individuals with heart failure and ischaemic heart disease
Respiratory viral infections are a relatively common cause of heart failure (HF) exacerbations, with higher risk of adverse outcomes observed in HF episodes precipitated by infection.1 Multiple reports from the initial phase of the COVID-19 pandemic reported higher mortality and in-hospital complications associated with a history of HF and...
Editorial
Striving for our most vulnerable children: Buffering against the impact of child maltreatment
One of the fundamental pillars of our society is the presence of strong and stable families. In 2024, the inaugural edition of the Domestic Violence Trends Report1 by the Ministry of Social and Family Development, which provides an overview of key domestic violence trends in Singapore, was published. From...
Original Article
Machine learning to risk stratify chest pain patients with non-diagnostic electrocardiogram in an Asian emergency department
Risk stratification of patients presenting with chest pain poses a frequent, often difficult, challenge to the emergency physician. Cardiac biomarkers such as troponin are an important part of the evaluation of the patient suspected of having acute coronary syndrome (ACS). Serial readings are traditionally needed for troponin, given that...
Original Article
The impact of Anchor, a home visitation programme for maltreated children, on child developmental and behavioural outcomes
Adverse childhood experiences (ACEs) can occur in the form of abuse (physical, emotional, sexual), neglect (physical, emotional) and household dysfunction. The first ACEs study published in 1998 demonstrated the association between ACEs and multiple risk factors of mortality in adulthood.1 The greater the number of ACEs exposure, the higher...
Letter to the Editor
Implementing a fantasy space-themed video distraction programme to reduce sedation in paediatric MRI
Dear Editor,
Magnetic resonance imaging (MRI) is an important diagnostic imaging modality, especially in children where radiation exposure is an important concern. As children undergoing MRI scans need to lie still for an extended period of time in an environment with loud noises, sedation is often required.1 However, its use...
Editorial
Enhancing HIV pre-exposure prophylaxis using telehealth: Insights from the iPARTY study
Human immunodeficiency virus (HIV) infections are increasing globally despite significant advancements in preventive and treatment programmes.1 This alarming trend is particularly pronounced within high-risk populations, especially among young men who have sex with men (YMSM). Given these rising infection rates, studies such as the iPARTY study are highly pertinent...
Original Article
iPARTY study: Increasing pre-exposure prophylaxis access and reach via telehealth for young men who have sex with men in Singapore 2022–2023
Human immunodeficiency virus (HIV) infection remains a significant global health challenge worldwide, with 39 million people living with HIV as of 2022.1 In Singapore, there were 209 newly diagnosed cases of HIV infections in 2023, a 3% increase from 2022.2 Although highly active antiretroviral therapy (HAART) effectively suppresses viral...
Letter to the Editor
Digital health’s impact on the patient-doctor relationship in a primary healthcare setting: A qualitative study
Dear Editor,
The integration of digital health is reshaping the patient-doctor relationship in primary care by challenging its core principles of trust, knowledge, regards, empathy and care continuity. While digital health improves access and empowers patients, it also destabilises the delicate nature of this relationship. Our qualitative study—conducted in 6...
Original Article
Adolescent self-harm and suicide attempts: An analysis of emergency department presentations in Singapore
Within 3 years from 2019 to 2021, adolescent suicide rates in Singapore almost doubled from 5.35 to 9.14 per 100,000 population.1,2 This is against a backdrop of a silently brewing adolescent behavioural and mental health crisis locally and globally, which started before the COVID-19 pandemic but has since been...
Editorial
Adolescent self-harm and suicide attempts in the emergency department in Singapore
The youth mental health crisis has taken centre stage globally in recent years with increased reporting of young persons suffering from mental health problems and mental illnesses. Singapore is not spared. The COVID-19 pandemic has been largely blamed for the onset of the mental health crisis due to its...
Letter to the Editor
Infected ovarian endometrioma: Case series and management outcomes
Illustration by LadyFingers Co.
Dear Editor,
Infected endometrioma, which is the superimposed infection and abscess formation of ovarian endometrioma, is increasingly understood to be a distinct clinical entity from tubo-ovarian abscess (TOA). The pathophysiology of infected endometriosis has been postulated to be a result of endometriotic fluid acting as a culture...
Letter to the Editor
Navigating health challenges: Singapore’s National University Health System’s approach to child and family well-being
Dear Editor,
Singapore’s progressive commitment to addressing child and family well-being is anchored in its forward-thinking public health agenda. Recognising that long-term population health outcomes are shaped by early-life interventions, Singapore has directed increasing attention towards addressing complex health challenges that emerge during childhood and across the family unit. These...
Original Article
Prevalence of complexity in primary care and its associated factors: A Singapore experience
As Singapore’s population ages, the incidence of non-communicable chronic diseases will rise in tandem.1 There exists a subset of individuals, oftentimes elderly with multiple chronic conditions, whose care needs are particularly complex.2 While there is no universal definition of a person with complex needs, these individuals have been found...
Editorial
Organ donation in the paediatric intensive care unit: Time for change?
Organ transplantation remains the definitive treatment option for improving the lives of patients with end-stage organ failure. To our knowledge, the first solid organ transplantation performed in Singapore in July 1970 involved a kidney from a deceased donor.1 Since then, rapid advancements in both transplant surgery and immunosuppressive medical...
Letter to the Editor
Exploring the perspectives of child health strategy stakeholders on resilience and well-being in children and youths in Singapore: A qualitative study
Dear Editor,
Resilience has been defined as the capacity of a dynamic system to adapt well to potential threats,1 while mitigating the negative impact of behavioural and physiological changes due to chronic stress,2 and the resumption of positive functioning thereafter.3 Resilience enables one to adapt positively to adversities in life...
Letter to the Editor
Improving school teachers’ self-efficacy and knowledge on food allergy and management of anaphylaxis using a virtual multidisciplinary workshop
Dear Editor,
Children with food allergies are at risk of inadvertent allergic reactions that range from mild to potentially life-threatening anaphylaxis, even with appropriate dietary avoidance.1 This risk is often increased in community settings such as schools via accidental exposure to allergens during learning activities or meal times. A quarter...
Original Article
Epidemiology of paediatric intensive care unit admissions, deaths and organ donation candidacy: A single-centre audit
With advancements in medical care, mortality rates in critically ill patients have decreased substantially.1,2 Contemporary studies from developed countries report paediatric intensive care mortality rates of 2–3%3,4 in 2014 to 2019, whereas mortality in developing countries can be as high as 50%5 as of 2024, indicating large disparities in...
Original Article
Perioperative emergency laparotomy pathway for patients undergoing emergency laparotomy: A propensity score matched study
Patients requiring emergency laparotomy (EL) are a vulnerable subset within general surgery, with reported 30-day mortality rates ranging from 9% to 18%, which is 3 times higher than similar elective operations.1-3 Unlike elective surgeries, the care for EL patients is time-sensitive as they move from the emergency department, radiology...
Letter to the Editor
COVID-19 residual symptoms and adverse drug reactions after oral antiviral therapy in the Singapore primary care setting
Dear Editor,
The COVID-19 pandemic remains a significant public health threat with over 7 million deaths worldwide (as of 14 January 2024).1 In Singapore, oral antivirals (OAVs) nirmatrelvir/ritonavir and molnupiravir were approved in 2022 for treating mild-to-moderate COVID-19 in adults at risk of progression to severe disease.2,3 Clinical trials in...
Letter to the Editor
Enhancing care in nursing homes: Qualitative insights from the ENHANCE programme
Dear Editor,
Empower Nursing Homes And improve staNdards of CarE (ENHANCE) was a pilot programme introduced by Sengkang General Hospital to address the challenges faced by Singapore’s ageing population. With nearly 1 in 4 Singaporeans projected to be aged 65 years and above by 2030, the demand for effective long-term...
Original Article
Intrapleural fibrinolytic therapy for pleural infections: Outcomes from a cohort study
Pleural infection, defined as bacterial infection and replication in the pleural space,1 remains a significant cause of mortality.2 Over 80,000 cases of pleural infection are diagnosed each year in the US and the UK.3,4 Data from East Asia suggest that the annual incidence of pleural infections is 8.4 to...
Letter to the Editor
Prevalence and causes of rifampicin-resistance genotypic/phenotypic discrepancy detected on Xpert MTB/RIF in Singapore
Dear Editor,
The Xpert Mycobacterium tuberculosis/rifampicin (MTB/RIF) (Cepheid, Sunnyvale, CA, US) has been pivotal in tuberculosis (TB) diagnostics, enabling the rapid detection of both TB and RIF resistance. Xpert, a nucleic acid amplification test (NAAT), is recommended by both the World Health Organization (WHO)1 and Singapore's clinical management guidelines2 as...
Editorial
Journey towards a smoke-free nation
“A journey of a thousand miles begins with a single step.” Singapore’s journey towards a smoke-free society started early in the 1970s when legislations were introduced to restrict smoking in certain public spaces and ban tobacco advertising.1 The National Smoking Control Programme was launched in 1986 with important objectives...
Original Article
Factors influencing smoking cessation: Insights from Singapore’s nationwide health and lifestyle survey
The global prevalence of smoking has declined over the years. According to authors utilising data from the Global Burden of Disease, Injuries, and Risk Factors Study, from 1990 to 2020, the number of male smokers fell by 27.2%, whereas female smokers fell by 37.9%.1 Moreover, the decline in smoking...
Letter to the Editor
Automated Cobb angle measurement in scoliosis radiographs: A deep learning approach for screening
Dear Editor,
Adolescent idiopathic scoliosis is the most common paediatric spinal deformity, impacting 1 in 300 children.1 In Singapore and other countries, national screening programmes have been established to detect scoliosis early, with the aim of using bracing to prevent progression to moderate or severe scoliosis, which may require surgical...
Letter to the Editor
Facing death alone: An exploration of terminally ill individuals living alone in palliative care
Dear Editor,
Home palliative care clinicians provide end-of-life care for patients from diverse social and economic backgrounds. They include patients who live alone—a single-person household.1 Auon et al. found that 7–12% of patients under palliative care lived alone for more than a year.3 Demographic trends increasingly highlight this group to...
Editorial
Optimising paediatric urinary tract infection diagnosis
Urinary tract infection (UTI) is the most common cause of serious bacterial illness among children and infants.1 Up to 2% of boys and 8% of girls will develop at least 1 episode of UTI by the age of 7 years.1,2 Of these, it is estimated that 12% to 30%...
Editorial
Beyond survival: Addressing gaps in psychosocial support for survivors of childhood cancer
I read with great interest the study conducted by Fong et al. published in this issue of Annals, which evaluated psychological symptoms and health-related quality of life (HRQOL) among a cohort of 143 young adult survivors of childhood cancer in Singapore.1 Almost 1 in 4 survivors demonstrated significant psychological...
Original Article
Investigating urinary characteristics and optimal urine white blood cell threshold in paediatric urinary tract infection: A prospective observational study
Urinary tract infection (UTI) is a common diagnosis in the paediatric emergency department (ED). It accounts for an estimated 5–14% of paediatric ED visits yearly in the US.1-3 It is a common cause of serious bacterial infections in children, and the most common microorganism is Escherichia coli (65–75%), followed...
Original Article
Mental wellness and health-related quality of life of young adult survivors of childhood cancer in Singapore
Advancements in technology and cancer treatments have improved childhood cancer survival rates, with up to 85% surviving 5 years or more.1 The Malaysia-Singapore Leukaemia Study Group reported an improvement in overall 5-year survival for the past 20 years in Singapore, from 69% to 91% for acute lymphoblastic leukaemia, which...
Letter to the Editor
Evolving landscape of sports injuries and recommendations on injury preventions: A retrospective analysis in Singapore
Dear Editor,
Sports have become increasingly integral to the daily lives of Singaporeans. According to the National Sport and Exercise Participation Survey, the percentage of Singaporeans exercising weekly rose from 54% in 2015 to 73% in 2023.1 While this surge in sports activities brings numerous health benefits, it also results...
Letter to the Editor
Isolated remote site musculoskeletal Mycobacterium bovis infections after BCG immunisation in immunocompetent children
Dear Editor,
The Bacillus Calmette–Guerin (BCG) vaccine, derived from wild-type Mycobacterium bovis, is administered in an attenuated form to prevent Mycobacterium tuberculous (MTB) infections in children residing in endemic regions. Since the introduction of the Singapore Tuberculosis Elimination Programme in 1997—specifying mandatory BCG-immunisation at birth—the incidence fell drastically to 32.6...
Review Article
Quality of life of family caregivers of children and young adults with Down syndrome: A systematic review and meta-analysis
The family caregiver is “any relative, partner, friend or neighbor who has a significant personal relationship with, and provides a broad range of assistance for a person with a chronic or disabling condition.”1 Family caregivers for children with chronic illnesses are commonly parents, who fulfil their children’s physical and...
Editorial
Living longer and stronger: Are children and young adults with Down syndrome experiencing healthier and better lives?
Down syndrome (DS) is the most common genetic cause of intellectual disability and is associated with multiple medical conditions affecting various organ systems, impacting the individual’s health, development and function.1 In Singapore, the life-birth prevalence of DS was 0.89 per 1000 births in the 1990s, a figure expected to...
Review Article
Quality of life of children and young adults with Down syndrome from caregivers’ perspective: A systematic review and meta-analysis
Down syndrome (DS), with an incidence of about 1/1000 to 1/1100 live births1 is the most common autosomal trisomy and genetic cause of intellectual disability. Individuals with DS may have multiple comorbidities including congenital cardiac and gastrointestinal anomalies, obesity, sleep disorders, and visual and hearing impairments.2,3 Despite the comorbidities,...
Editorial
How close are we from achieving demographic diversity in clinical trials? Insights from Singapore
Clinical trials are essential for assessing the efficacy and safety of new therapies. Because different patient subgroups may respond variably to treatments, it is important to emphasise diversity among participants. This approach ensures that the trial population accurately reflects the patients who will use the medication in real-world settings...
Editorial
The alcohol flushing syndrome: A risk factor for cancer
Globally, alcohol consumption is responsible for an estimated 3 million deaths annually and contributes to over 740,000 new cancer cases each year.1 Acetaldehyde, a byproduct of alcohol metabolism, has been designated as first-class carcinogens by the International Agency for Research on Cancer.2 In East Asian countries such as China,...
Letter to the Editor
The emergence of otter attacks in Singapore: A case series and strategies for management
Dear Editor,
Singapore is experiencing an unprecedented increase in the number of smooth-coated otters (Lutrogale perspicillata). Since 2017, the local otter population has more than doubled to at least 170. This has led to an increase in the number of otter-human attacks since 2021.1,2 While common animal attacks like dog...
Letter to the Editor
Gaps in primary care management of urinary tract infections in Singapore
Dear Editor,
Urinary tract infection (UTI) is a common presentation in primary care, but gaps of care have not been well established in Singapore. UTIs are one of the most common bacterial infections worldwide,1 constituting around 1% of all ambulatory clinic visits.2 The healthcare burden of UTIs remains highly significant,...
Original Article
Screen time and social-emotional skills in preschoolers with developmental, behavioural or emotional issues in Singapore
Preschool children, particularly those with developmental, behavioural or emotional (DBE) issues, are highly vulnerable to the negative effects of excessive screen viewing time (SVT) on their social and emotional development.1,2 Singapore, an island nation with a declining birth rate,3 places significant emphasis on human potential, particularly the social and...
Editorial
Balancing screen time: Insights and impact on preschool children
Over the past decade, the exposure of young children to screen devices at home and preschool has become increasingly common. Screen viewing time (SVT) has risen alongside the surge in ownership of screen devices such as television, smartphones, tablets and laptops worldwide.1 In many countries, screen time and digital...
Editorial
Evaluating the effectiveness of cervical cancer screening and prevention in Singapore
Cervical cancer is the fourth most common cancer in women globally, with approximately 660,000 new cases and 350,000 deaths reported in 2022.1 In Singapore, it ranks as the 11th most common cancer among women and the 5th most frequent cancer among young women aged 15–44 years, with 309 new...
Letter to the Editor
Seroprevalence of cytomegalovirus over the last 2 decades (2001–2020): A retrospective data analysis from a single laboratory in Singapore
Dear Editor,
Cytomegalovirus (CMV) is ubiquitous and infects human of all ages, where it remains latent after primary infection and can reactivate upon various triggers.1 Reactivated CMV may cause complications and end organ damages in immunocompromised hosts, leading to increased morbidity and mortality.2 In addition, the presence of actively replicating...
Letter to the Editor
Factors affecting outcomes among older trauma patients in Singapore: A retrospective observational study
Dear Editor,
Singapore faces a rapidly ageing population with its median age projected to be above 45 years by 2030. Our greying demographics is accompanied by a rise in chronic diseases and medication use, including polypharmacy.1 Longer life expectancy and increased activity levels have contributed to higher incidence of geriatric...
Original Article
Delayed presentation is associated with serious bacterial infections among febrile infants: A prospective cohort study
Young infants ≤90 days old are at risk of serious bacterial infections (SBIs) due to their immature immune systems and may develop severe complications resulting in neurocognitive deficits, hearing loss and even mortality.1,2 The diagnosis of SBIs remains challenging as fever may be the only symptom of SBIs in...
Original Article
Diagnostic performance of classification criteria for systemic lupus erythematosus: A validation study from Singapore
Systemic lupus erythematosus (SLE) is a multisystem autoimmune disease with a broad spectrum of clinical presentation.1 Clinical diagnosis by rheumatologists remains the gold standard, but the diagnosis is often challenging due to variability in disease expression mimicking other conditions.
As such, classification criteria have been developed to establish homogeneous groups...
Editorial
Promoting evidence-based care for children and adolescents on the autism spectrum
Autism spectrum disorder (ASD) is a neurodevelopmental disorder that has been increasing in worldwide prevalence,1 including Singapore. In this latest issue of the Annals, we share the latest Singapore Clinical Practice Guidelines (CPG) for Autism in Children and Adolescents, discussed by Wong et al.2 This is the culmination of...
Editorial
Illicit drug consumption in Singapore: Where are we in the fight against drugs?
Illicit drug consumption is associated with significant negative health, financial and social consequences. Yet, illicit drug consumption remains highly prevalent and continues to be a growing problem worldwide. In 2021, 1 in 17 people aged 15–64 in the world had used a drug in the past 12 months. Notwithstanding...
Letter to the Editor
HLA-B*5801 testing: Is it time to consider mandatory testing prior to prescribing allopurinol in Singapore?
Dear Editor,
Stevens-Johnsons Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN) are severe, life- threatening mucocutaneous reactions that most commonly occur as drug-related reactions.1 In recent years, several risk factors for the develop- ment of SJS/TEN, such as genetic factors, have been identified. Notably, carriers of the HLA-B*5801 and HLA-B*1502 alleles ...
Review Article
Singapore tuberculosis (TB) clinical management guidelines 2024: A modified Delphi adaptation of international guidelines for drug-susceptible TB infection and pulmonary disease
Tuberculosis (TB) is an infectious disease caused by the Mycobacterium tuberculosis complex. For decades, it was the leading cause of death worldwide from a single infectious disease before being displaced by COVID-19 during the pandemic years.1
TB is endemic in Singapore, with over 2000 cases of TB disease (formerly active TB)...
Letter to the Editor
Hantavirus haemorrhagic fever and renal syndrome, caused by the Hantaan virus in Singapore: A case report
Dear Editor,
We outline a case of a 59-year-old Malaysian man of Indian origin with no known past medical history apart from diabetes mellitus and hypertension, who presented with a 7-day history of unrelenting fever, myalgia, confusion and unsteady gait. He worked as a shipyard engineer and travelled between Singapore...
Letter to the Editor
Oral antiviral utilisation among older adults with COVID-19 in primary care: A population-wide study during successive Omicron waves in Singapore
Dear Editor,
Studies have repeatedly demonstrated the real-world effectiveness of oral antivirals (OAVs) in preventing hospitalisation and death in patients with mild-to-moderate COVID-19 at high risk for progression to severe COVID-19 when initiated within 5 days of symptom onset, even during waves of Omicron transmission.1 However, there is a need...
Letter to the Editor
Development of immediate and chronic spontaneous urticaria following mRNA COVID-19 vaccination: Tolerability of revaccination and immunological study
Dear Editor,
Coronavirus 2019 (COVID-19) vaccination remains one of the key public health measures against the SARS-CoV-2 infection, significantly reducing illness severity and mortality rates. Urticaria and/or angioedema are cutaneous reactions that have been reported in response to messenger RNA (mRNA) COVID-19 vaccination and potentially affect fitness for revaccination.1...
Letter to the Editor
Perinatal outcomes of pregnancies affected by COVID-19 in Singapore: A cohort study
Pregnant women and infants were not spared from the coronavirus disease 2019 (COVID-19) after it was first identified in December 2019.1,2 In the beginning of the pandemic, a lack of data on transmission risks and outcomes of pregnancies affected by SARS-CoV-2, impacted perinatal clinical decision-making.1,3 We report the perinatal...
Commentary
Call for a Singapore National Action Plan for Sepsis (SNAPS): Stop sepsis, save lives
Sepsis is a life-threatening organ dysfunction syndrome caused by a dysregulated host response to an infection.1 It affects up to 48.9 million people globally every year and causes 11 million sepsis-related deaths, accounting for 1 in every 5 deaths worldwide.2 The huge disease burden leads to significant consumption of...
Original Article
Caregiver reported long-term outcomes in children with major trauma and traumatic brain injuries: A single-centre retrospective study
Traumatic injuries in children are a significant cause of mortality and morbidity worldwide.1 Children with major trauma are at risk of poor outcomes.2-4 These include disabilities that require assistance with activities of daily living, intellectual disability and behavioural problems.5 In the US, it is estimated that more than 50...
Letter to the Editor
Outcomes of COVID-19 infection in patients on dialysis and kidney transplant recipients: A single-centre audit
Dear Editor,
Patients with end-stage kidney disease (ESKD) are at increased risk of adverse outcomes following COVID-19 infection. Their vulnerability stems from multiple factors including kidney failure, comorbid illnesses, close contact in the haemodialysis centre, and transplant immunosuppression. European registry data in the pre-vaccination era report a COVID-19 mortality rate...
Original Article
An augmented reality mobile application for weight estimation in paediatric patients: A prospective single-blinded cross-sectional study
Drug and defibrillation energy doses for children rely on accurate weight measurement, making it essential during emergencies.1,2 However, quickly weighing children in distress is often a challenging task.3,4 Conventionally, age-dependent formulas and length-based tapes like the Broselow tape (BT) and Paediatric Advanced Weight Prediction in the Emergency Room extra-long...
Commentary
Value the patient as a person: Answering the call for a person-centred model of care
There has been a change in patients’ attitudes towards healthcare professionals in recent decades, coupled with an increasingly evident shift in the care paradigm. In 2015, the World Health Organization released a framework of care that recommends healthcare professionals consciously consider the perspectives of individuals, carers, families and communities....
Letter to the Editor
How do current paediatrics residency selection criteria correlate with residency performance?
Dear Editor,
The selection process for potential residents needs to be reviewed regularly and assessed if effective in selecting the best-fit residents who can achieve academic and professional excellence. Objective measures must take precedence over subjective criteria to reduce selection bias while ensuring transparency and accountability. However, the predictors of...
Commentary
Singapore’s experience in managing the COVID-19 pandemic: Key lessons from the ground
In the early days of the pandemic when information on COVID-19 infection was lacking, all COVID-19 positive patients were admitted into acute hospitals for isolation and monitoring. With the exponential increase in the number of infections, COVID-19 Treatment Facilities (CTFs) were set up to help hospitals manage in-patient loads....
Review Article
Cardiovascular effects of COVID-19 in children
The global coronavirus disease 2019 (COVID-19) pandemic was caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). While the respiratory system is the primary infectious target of SARS-CoV-2, systemic symptoms are fairly common and organ systems throughout the body can be affected with multisystem organ failure in the...
Original Article
Long COVID prevalence, risk factors and impact of vaccination in the paediatric population: A survey study in Singapore
On 5 May 2023, more than 3 years since the start of the COVID-19 pandemic, the World Health Organization (WHO) declared that COVID-19 no longer constituted a public health emergency. Despite high numbers of children and younger persons (CYPs) having acute COVID-19,1 information on the quality of health and...
Editorial
COVID-19: The virus, vaccine and paediatric heart
The coronavirus disease 2019 (COVID-19) pandemic has resulted in much morbidity and mortality around the world. The development of vaccines has cushioned the effect of the virus and thus, provided hope in the fight against the disease.1 Yet, there are still small battles with COVID-19, at the bench and...
Commentary
Transforming radiology to support population health
The recent launch of Healthier SG—a national initiative by Singapore’s Ministry of Health (MOH) focusing on preventive health—will have far-reaching effects on the delivery of health services in Singapore.1 Part of it involves a shift away from tertiary hospital-based to community-based care, to improve diagnostic imaging services in the...
Editorial
Perinatal mental health in Singapore: Implementation opportunities and relevance of gender-carer roles in screening
In this issue of the Annals, the consensus statement on perinatal mental health by Chen et al. covers the handling of depression and anxiety symptoms in pregnancy, childbirth and the postnatal period.1 The guidelines were developed by a workgroup involving experts in perinatal mental health and obstetrics using a...
Letter to the Editor
Evaluation on the adoption of eHealth App for electronic health record sharing system in Hong Kong
Dear Editor,
In Hong Kong, the eHealth App was launched in January 2021, as part of Stage Two development of the Electronic Health Record Sharing System. It provides the healthcare recipients, that is, those who have registered in the system, a series of functions to manage their health, such as...
Letter to the Editor
Managing and preventing severe hand injuries among sugarcane juicer operators
Dear Editor,
Of all hand injuries encountered at an emergency department, 54% are sustained in the workplace,1 in part contributed by occupational injuries among food and beverage operators that caused a loss of 16,197 man-hours in 2021 alone.2 Commonplace in Singapore and in parts of South and Southeast Asia is...
Original Article
Fetal congenital heart diseases: Diagnosis by anatomical scans, echocardiography and genetic tests
Congenital heart diseases (CHDs) are the most common major congenital anomaly at up to 28%1 and are responsible for 5.7% of all infant mortality.2 While earlier studies in developed countries reported an overall CHD birth prevalence of 3.7–5.54 per 1000 live births,3,4 more recent studies report a global and...
Editorial
Impact of pre-existing depression on severe COVID-19 outcomes
The outbreak of the COVID-19 virus in 2019 had rapidly developed into a global pandemic, causing more than 6.8 million deaths and impacting the lives of billions of individuals around the world.1 Public healthcare around the work have mainly focused on the clinical manifestations and treatment of the deadly...
Letter to the Editor
Improving neonatal counselling service for premature births
Dear Editor,
Despite the substantial advancement of neonatal care leading to increased survival of infants of periviable gestation, as young as 22 weeks,1 the anticipated birth of an extremely low gestational age infant remains challenging for both the parents and physician, with regard to decision-making in initiating resuscitation post-delivery. Ideally,...
Commentary
Leveraging ChatGPT to aid patient education on coronary angiogram
Natural-language artificial intelligence (AI) is a promising technological advancement poised to revolutionise the delivery of healthcare.1 Traditionally, inclusion of technology in the augmentation of healthcare communication comprised the use of chatbots, which is limited by a predetermined set of queries and matched answers.2 However, natural-language AI models prompt a...
Original Article
Clinical outcomes of hospitalised individuals with spin-induced exertional rhabdomyolysis
Rhabdomyolysis is a clinical and biochemical syndrome caused by the breakdown of myocytes and release of intracellular components into the bloodstream.1 A subset of rhabdomyolysis is exertional rhabdomyolysis (ER), which is caused by strenuous physical activity. Risk factors for ER include lack of physical endurance, increased duration and intensity...
Letter to the Editor
Emergency department falls interventions improve osteoporosis management in frail older adults
Dear Editor,
Singapore’s population is ageing rapidly and by 2030, around 1 in 4 citizens will be aged 65 and above.1 Older adults represent 21–40% of emergency department (ED) users and proportionally are the highest users of ED services.2
One-third of community dwellers over 65 years of age fall each year,...
Letter to the Editor
Preferences for oral anticoagulant medications for managing atrial fibrillation
Dear Editor,
Stroke prevention in patients with atrial fibrillation (AF) using anticoagulants involves weighing the benefits of reduced ischemic stroke1,2 against the elevated risks of serious bleeding events.3 Warfarin and direct oral anticoagulants (DOACs) are the available oral anticoagulants for this indication. We developed a discrete choice experiment (DCE) survey4...
Review Article
Consensus statement on Singapore integrated 24-hour activity guide for early childhood
Early childhood is a critical period for growth and development, setting the foundation for future and lifelong well-being.1 Adopting healthy lifestyle behaviours in early childhood can potentially influence and shape behaviours later in life.2 Frameworks have been developed, such as from the Center on the Developing Child at Harvard...
Original Article
Evaluation of a return to work coordination programme for injured workers in a public hospital in Singapore
Workers who have sustained an injury at work often face difficulties returning to work, according to a study showing that over 40% of injured workers in Singapore experienced increased lethargy at work and that about 40% had difficulties in performing work at pre-injury standards.1 One in 4 workers also felt...
Editorial
Proactive steps to population health: Starting early, starting right
The global burden of non-communicable diseases is rising, with continued projected increases in the prevalence of metabolic syndrome (MetS) in the future. This epidemic, albeit of a metabolic nature, poses broad socioeconomic and healthcare burdens worldwide. Population health improvement and optimisation of healthcare are important to addressing these burdens....
Original Article
Risk and protective factors of mental health during the COVID-19 pandemic: A cross-sectional study in Singapore
The COVID-19 pandemic has significantly impacted people’s well-being globally.1 Individuals faced several stressors during the pandemic, including fear of contracting the disease, experiencing severe symptoms of COVID-19, losing loved ones to the disease, financial insecurity, and social isolation. Furthermore, children and youths experienced disruption to their usual routine such...
Original Article
Impact of COVID-19 on mental health and social service provision in Singapore: Learnings from a descriptive mixed-methods study for future resource planning
Coronavirus disease 2019 (COVID-19) was declared a global health emergency by the World Health Organization in January 2020.1 Singapore reported its first case of COVID-19 on 23 January 2020 and the subsequent emergence of clusters led to a string of restrictions to contain the outbreak and protect the health...
Editorial
Impact of COVID-19 on mental health and healthcare service delivery
The COVID-19 pandemic has claimed more than 6.8 million lives globally.2 While there is yet a cure for the disease, vaccines are now available to minimise transmission risk and protect against severe infection. However, COVID-19 vaccines have had a mixed reception, with concerns of their side effects and of...
Letter to the Editor
Sublingual ondansetron for treatment of acute gastroenteritis in children in the children’s emergency
Dear Editor,
Acute gastroenteritis (GE) is a leading cause of death globally in children aged below 5 years and the third most common indication for hospital admission in some countries.1,2 Currently, norovirus is the most common cause of GE in children in developed countries.3 Rehydration, either orally or intravenously, is...
Commentary
Artificial intelligence innovation in healthcare: Relevance of reporting guidelines for clinical translation from bench to bedside
Artificial intelligence (AI) and digital innovation have revolutionised many sectors and industries, prominently including healthcare during the coronavirus disease 2019 (COVID-19) pandemic.1 For example, deep learning, which is a subset of the state-of-the-art machine learning techniques, has shown robust performance in image recognition, speech recognition and natural language processing.2...
Original Article
Benefits of leisure-related physical activity and association between sedentary time and risk for hypertension and type 2 diabetes
Diabetes mellitus and hypertension are serious public health issues. Approximately 451 million individuals worldwide aged 18–99 years were living with diabetes in 2017, and this number is expected to increase to 693 million by 2045.1 More than 90% of all diabetes cases were type 2 diabetes mellitus (T2DM).2 For...
Editorial
Promoting physical activity for population health
The chronic disease burden has risen globally. In Singapore, between 2007 and 2021, the crude prevalence of hyperlipidaemia (8.2–13.9%), hypertension (12.7–15.7%) and diabetes (4.9–6.9%) has increased.1 Based on the Global Burden of Disease Study (2019), lack of physical activity and other modifiable risk factors contribute 35% of the disability-adjusted...
Letter to the Editor
Delayed treatment with nirmatrelvir/ritonavir could remain effective in patients with Omicron BA2.2 variant of COVID-19
Dear Editor,
In late February 2022, the Omicron BA.2.2 subvariant drove the outbreak of COVID-19 and rapidly spread through many parts of the world. Omicron-infected individuals aged ≥80 years who are unvaccinated are particularly at high risk of poor outcomes.
COVID-19 vaccines and antiviral therapeutics have protected individuals most at risk...
Letter to the Editor
Rash characteristics of paediatric patients with COVID-19 in Singapore
Dear Editor,
Children with COVID-19 infection can present with a variable spectrum of clinical manifestations, and sometimes mucocutaneous manifestations can be the only manifestation of COVID-19 infection in children.1,2,3 We report 4 cases of paediatric patients who had COVID-19 with mucocutaneous involvement, admitted to a tertiary children’s hospital in Singapore....
Original Article
Immune and coagulation profiles in 3 adults with multisystem inflammatory syndrome
A spectrum of immune dysregulation has been described following SARS-CoV-2 infections—from the cytokine storm in the acute phase, to hyperinflammatory syndromes that occur after the resolution of the initial infection.1 Multisystem inflammatory syndrome (MIS) was first reported in children in April 2020 as a hyperinflammatory syndrome with features similar...
Original Article
Factors associated with deep infiltrating endometriosis, adenomyosis and ovarian endometrioma
Endometriosis is a chronic inflammatory gynaecologic disease marked by the presence of endometrial-like tissue outside the uterus.1 Debilitating chronic pelvic pain, dysmenorrhoea, and subfertility in women of reproductive age are commonly associated with endometriosis. The disease is estimated to affect about 1 in every 10 women of reproductive age,...
Original Article
Concordance of self-reporting of diabetes compared with medical records: A comparative study using polyclinic data in Singapore
Approximately 422 million people worldwide have diabetes and 1.6 million deaths are attributed to diabetes each year,1 contributing to high economic costs worldwide. Diabetes education and awareness of the disease contribute significantly to minimising complications and reducing morbidity and mortality.2 In addition, there is also a strong impetus to...
Editorial
Diabetes: Know thy foe
During the COVID-19 pandemic in 2022, Singapore’s Minister for Health Ong Ye Kung mentioned, “After the COVID-19 pandemic has passed, we need to tackle a far more challenging pandemic—which is longer-term chronic illness, and diabetes is a major one.”1
Truly, in the past decade, there has been an invisible global...
Letter to the Editor
Clinical outcome of bacterial endogenous endophthalmitis in 15 patients
Dear Editor,
Endophthalmitis refers to the inflammation of the ocular cavities and their immediate adjacent structures without extension beyond the sclera, usually secondary to infection. Endogenous endophthalmitis (EE) results from haematogenous spread of microorganisms in patients with bacteraemia or fungaemia into the eye and represents 2–15% of endophthalmitis cases.1-3...
Review Article
Combating a resurgence of poliomyelitis through public health surveillance and vaccination
Singapore was certified poliomyelitis (polio)-free by the World Health Organization (WHO) on 29 October 2000, together with 36 other countries in the Western Pacific Region.1 Prior to certification, there were multiple outbreaks in 1958, 1960 and 1963 with 415, 196 and 74 paralytic polio cases, respectively.2-4 The nationwide immunisation...
Original Article
Clinical efficacy and long-term immunogenicity of an early triple dose regimen of SARS-CoV-2 mRNA vaccination in cancer patients
The spread of the SARS-CoV-2 virus has led to the ongoing worldwide COVID-19 pandemic. Initial studies have reported an increased vulnerability of patients with solid and haematological malignancies to SARS-CoV-2 infections.1,2 Global efforts to combat SARS-CoV-2 led to the unprecedented rapid development of multiple vaccines, with reported efficacies of...
Editorial
Early COVID-19 booster is beneficial in cancer patients
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and its corresponding coronavirus disease (COVID-19) was first reported as a cluster of pneumonia cases in Wuhan, China, on 31 December 20191 and led to an unprecedented pandemic in modern times. It quickly overwhelmed healthcare systems around the world, and rendered...
Editorial
Vaccination and surveillance: Two basic tools for a final poliomyelitis eradication
Over the past 3 decades, the Global Polio Eradication Initiative (GPEI) has strived to achieve a poliomyelitis (polio)-free world. Wild poliovirus (WPV) types 2 and 3 were eradicated in 2015 and 2019, respectively. The World Health Organization (WHO) South-East Asia Region was declared free of poliovirus in 2014, and...
Letter to the Editor
Rapid exome sequencing to aid diagnostics in genetic disorders: Implementation and challenges in the Singapore context
Dear Editor,
There is a high burden of genetic disorders in patients admitted to the intensive care unit (ICU), ranging from 45–56%,1,2 and delayed definitive diagnoses with a long diagnostic odyssey often contribute to increased healthcare costs.3 The application of clinical exome sequencing in ICU has been gaining traction, where...
Commentary
Meeting today’s healthcare needs: Medicine at the interface
The demographic of Singapore has undergone dramatic changes. Historically, younger patients with communicable diseases predominated; however, patients are now older with chronic multimorbidity and functional impairment. This demographic shift challenges existing health and social care systems in Singapore, which must pivot to meet the changing need. The consequences of...
Letter to the Editor
A strategy to make COVID-19 vaccination more accessible to the elderly
Dear Editor,
Singapore embarked on the COVID-19 National Vaccination Programme in early 2021. The main modality employed to achieve the mass vaccinations has been the Vaccination Centres (VCs). These are dedicated facilities created with the sole purpose of providing the public with safe and convenient access to vaccination services.
While the...
Letter to the Editor
Implementation of an AI model to triage paediatric brain magnetic resonance imaging orders
Dear Editor,
Artificial intelligence (AI) is viewed as the most important recent advancement in radiology with the potential to achieve Singapore’s objective of delivering value-based patient-centric care.1
We have developed and implemented a deep-learning model using bidirectional long short-term memory (Bi-LSTM) neural network to enable automated triage of unstructured free-text...
Letter to the Editor
Early rehabilitation to improve functional outcomes in childhood cancer in Singapore
Dear Editor,
We conducted a prospective, single-centre cohort study to review the impact of a multidisciplinary rehabilitation programme in children with cancer in Singapore. The Template for Intervention Description and Replication (TIDieR) checklist was used to allow sufficient details for replication of the study (see Appendix in online Supplementary...
Review Article
The Omicron-transformer: Rise of the subvariants in the age of vaccines
The emergence and evolution of SARS-CoV-2 have been publicly tracked in unprecedented detail through a combination of intensive genomic sequencing and open-access sharing of data.1 This surveillance information describes how waves of COVID-19 infections have been driven by the emergence of new variants of concern (VOCs) and their subvariants....
Original Article
Multisystem inflammatory syndrome in children in Singapore
While children infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) resulting in coronavirus disease 2019 (COVID-19) have milder manifestations compared to adults,1,2 a rare multisystem inflammatory syndrome leading to multiorgan failure and shock (multisystem inflammatory syndrome in children ) has been recognised to affect children with exposure to...
Editorial
Multisystem inflammatory syndrome in children: A unique manifestation of COVID-19
During the coronavirus disease 2019 (COVID-19) pandemic, children have been relatively spared from the severe symptomatic infection affecting adults, particularly the elderly and those with comorbidities. One of the most challenging aspects of paediatric SARS-CoV-2 infection has been the discovery of a unique late manifestation of infection characterised by...
Letter to the Editor
Child passenger safety training for healthcare professionals in Singapore
Dear Editor,
Road traffic injuries are a preventable cause of childhood morbidity and mortality.1,2 Use of age-appropriate child car seats (CCS) lowers the risk of injury and death by about 82% and 28%, respectively.3-5 In Singapore, although the Road Traffic Act states that CCS use is mandatory,6 many children...
Letter to the Editor
Clinical characteristics of macrolide-resistant Mycoplasma pneumoniae infections among hospitalised children in Singapore
Dear Editor,
Mycoplasma pneumoniae has become the leading cause of paediatric community-acquired pneumonia in countries where pneumococcal vaccination is included in the national immunisation programme, including Singapore.1 M. pneumoniae is intrinsically resistant to beta-lactams due to the absence of cell walls. Macrolides, tetracyclines, and fluoroquinolones are used to treat M....
Letter to the Editor
Childhood interstitial lung disease: The end of a diagnostic odyssey
Dear Editor,
Childhood interstitial lung disease is a heterogeneous group of rare disorders featuring pulmonary interstitial remodelling and diffuse parenchymal infiltrates on imaging.1 Incidence is estimated at 0.13–16.2 cases/100,000 children per year.1 ABCA3 (ATP-Binding Cassette, Subfamily A, Member 3) (OMIM #601615) is expressed in alveolar type II cells involved...
Review Article
Managing adult asthma during the COVID-19 pandemic: A 2022 review and current recommendations
Asthma is the most prevalent chronic respiratory disease, estimated to affect more than 300 million people worldwide.1 First recognised in December 2019, the coronavirus disease 2019 (COVID-19), which is caused by the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has evolved into an ongoing global pandemic.2 In May...
Original Article
Validation and comparison of the PECARN rule, Step-by-Step approach and Lab-score for predicting serious and invasive bacterial infections in young febrile infants
The diagnostic approach and management of febrile infants <90 days of age remain a challenge, given that the majority of these infants have no localising signs and symptoms, and may appear clinically well at presentation.1 In addition, the majority of these infants have benign viral illnesses, for which hospitalisation...
Images in Medicine
TB or not TB? The axillary lump question
An 81-year-old woman of healthy weight presented with a 2-week history of a painless right axillary lump. Physical examination revealed a 2cm firm nodule with a central keratinous plug in the right axilla (Fig. 1). The surrounding skin was pigmented, non-tender and indurated. Sonography of the nodule demonstrated an...
Letter to the Editor
Antiphospholipid and other autoantibodies in COVID-19 patients: A Singapore series
Dear Editor,
Thrombosis is an unexpected complication of COVID-19 initially reported in 3 patients from China.1 These patients tested positive for immunoglobulin (Ig) A anticardiolipin (ACA), IgG anti-β2-glycoprotein I antibodies (aβ2GPI) and IgA aβ2GPI, though not for the lupus anticoagulant (LAC).
In a Singapore study comprising 47,527 patients, 19 (0.04%) developed...
Letter to the Editor
High burden of respiratory viral infection-associated mortality among critically ill children
Dear Editor,
Acute lower respiratory infections (ALRIs) are a leading cause of under-5 mortality globally—two-thirds could be attributable to respiratory viral infections (RVIs).1,2 The burden of paediatric RVIs in settings of tropical climate with year-long virus circulation is relatively underreported.3,4 Previous studies in these areas have estimated that around 8–11%...
Original Article
Cost analysis of a Patient-Centred Medical Home for community-dwelling older adults with complex needs in Singapore
The Patient-Centred Medical Home (PCMH) is a model of chronic care that replaces episodic primary care, with the delivery of primary care to patients, families and communities. It is guided by the principles of first-contact accessibility, comprehensiveness and whole-person orientation, integration and care coordination, sustained clinician-patient relationships, and quality...
Original Article
Non-motorised active mobility device use by children in Singapore: Injury patterns and risk factors for severe injury
The Active Mobility Act was introduced in Singapore in 2017 to promote the safe use of personal mobility devices. Non-motorised active mobility devices (AMDs) are popular among children and include tricycles, bicycles, scooters, inline skates, skateboards, longboards and waveboards. While the use of AMDs contributes towards an active lifestyle...
Editorial
From Astana to Singapore: Primary Health Care is key to the long-term success of Singapore’s health system
The Ministry of Health, Singapore (MOH) has launched a wide-ranging and ambitious initiative for a life-course approach to drive the population’s health.1 This approach aims at ensuring the sustainability of the healthcare system. Crucially, it also embodies core principles of the health systems orientation that have long been advocated...
Letter to the Editor
Teaching and learning during the COVID-19 pandemic: Perspectives of medical students in Singapore
Dear Editor,
The coronavirus disease 2019 (COVID-19) pandemic has resulted in many changes to medical education, including the site and mode of teaching, conducting of examinations and a shift towards prioritising the mastery of clinical skills relevant to infection control. Hence, Ng et al.’s suggestions on how to maximise learning...
Letter to the Editor
Screening for somatisation in an Asian children’s hospital emergency setting
Dear Editor,
In recent years, self-harm is the leading cause of morbidity and mortality among adolescents in Singapore.1,2 This is just the tip of the iceberg as youths with undiagnosed mental health disorders often present to the healthcare system with non-psychiatric symptoms.3 These psychosomatic symptoms do not have an organic...
Commentary
Activating Code Crimson in the emergency department: Expediting definitive care for trauma patients with severe haemorrhage in Singapore
Public healthcare institutions (PHIs) in Singapore have a range of policies and guidelines for the management of patients presenting to the emergency department (ED) with blunt or penetrating major trauma. “Trauma team activation” is initiated by the ED specialist through the hospital call-centre, and is a process that mobilises...
Original Article
Nationwide study of the characteristics of frequent attenders with multiple emergency department attendance patterns
Emergency department (ED) overcrowding is a growing issue that threatens public health in various parts of the world,1 including the US,2 UK,3 Australia,4 Japan5 and Taiwan.6
Individuals who visit the ED repeatedly, known as frequent attenders (FAs), have been identified as a possible driver of ED overcrowding. While the...
Original Article
Global monkeypox outbreak 2022: First case series in Singapore
Monkeypox has been declared a public health emergency of international concern. Up until 2022, most cases of monkeypox have been reported in parts of Africa. On 7 May 2022, a returning traveller from Nigeria to the UK was confirmed to have contracted monkeypox. By the end of May 2022,...
Editorial
Frequent attenders to multiple emergency departments in Singapore
The problem of overcrowding, of which access block is one of the main causes, continues to plague emergency departments (EDs) worldwide.1 Some of its negative effects include adverse impact on patient safety, medical errors and staff burnout. In addition, high volume of patients waiting to be seen (ED input)...
Editorial
The global emergence of monkeypox
Monkeypox is so named because the poxvirus was first identified in 2 outbreaks among cynomolgus monkeys housed at the Statens Serum Institut, Denmark, in 1958.1 Both outbreaks occurred approximately 2 months after the monkeys arrived by plane from Singapore.1 However, the natural reservoir of the virus is not monkeys...
Original Article
Treating acutely ill patients at home: Data from Singapore
Inpatient hospitalisation is the conventional strategy to care for acutely ill patients. However, demand for hospital beds and clinical manpower is escalating as populations age, and hospitals are expensive to build and run.1 There is increasing recognition of the risk of hospitalisation from potent nosocomial infections2,3 (exacerbated by the...
Letter to the Editor
Neuralgic amyotrophy in COVID-19 infection and after vaccination
Dear Editor,
Various neurological manifestations associated with coronavirus disease 2019 (COVID-19) have been described,1 conditions which left a significant proportion of patients with permanent disability. Continued vigilance is crucial with emergence of new severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants that cause the disease. Vaccination against COVID-19 remains the...
Letter to the Editor
Attitude towards screening for congenital cytomegalovirus infection in newborns in Singapore
Dear Editor,
Cytomegalovirus (CMV) infection is the most common congenital infection.1 A systematic review that included 77 studies from 36 countries reported that the overall prevalence of CMV was 0.67% in their newborn population.1 Among newborns with CMV, it was estimated that 15–20% will suffer from potentially deleterious effects including...
Commentary
Congenital cytomegalovirus infection: Advocating for screening and education
Cytomegalovirus (CMV) infection is the leading non-genetic cause of congenital neurosensory hearing loss in children, accounting for 21% of cases of hearing loss at birth and 25% of deafness at age 4 years.1 It can also give rise to other serious sequelae such as cerebral palsy, cognitive impairment, seizures...
Original Article
Epidemiological trends and outcomes of children with aural foreign bodies in Singapore
Aural foreign bodies (FBs) commonly present to the emergency department (ED) worldwide. Children represent the majority of the population, believed to be due to their inquisitive minds and experimental nature.1 Aetiologies for aural FBs include accidental or intentional insertion of FBs into body orifices, ear irritation caused by rhinitis...
Original Article
Nutrition support practices for critically ill patients with severe acute respiratory syndrome coronavirus-2: A multicentre observational study in Singapore
Within 3 weeks of the World Health Organization declaring the COVID-19 pandemic on 11 March 2020, the Society of Critical Care Medicine (SCCM) and American Society for Parenteral and Enteral Nutrition (ASPEN) developed a set of nutrition guidelines that addresses issues on nutrition assessment; timing and feeding route; caloric...
Editorial
Challenges and considerations in delivering nutritional therapy in the ICU during COVID-19 pandemic
Coronavirus disease 2019 (COVID-19) has created unprecedented challenges for healthcare workers in Singapore and across the world. Providing clinical nutrition and metabolic care to patients with COVID-19 has been highly challenging. In this issue of the Annals, Lew et al.1 reported the results of a multicentre retrospective observational study...
Letter to the Editor
BNT162B2 COVID-19 mRNA vaccination did not promote substantial anti-syncytin-1 antibody production nor mRNA transfer to breast milk in an exploratory pilot study
Dear Editor,
Vaccine hesitancy still threatens global efforts to end the COVID-19 pandemic caused by SARS-CoV-2 and its emerging variants. Social media-driven “conspiracy theories” cast doubts on vaccine safety for reproductive health,1 including concerns that vaccine-induced SARS-CoV-2-neutralising antibodies (NAb) cross-react with human syncytin-1—a protein involved in gamete fertilisation and...
Commentary
COVID-19 vaccination acceptance of healthcare workers in Singapore
The Coronavirus disease 2019 (COVID-19) pandemic resulted in 511.0 million cases of confirmed SARS-CoV-2 infection and almost 6.2 million deaths globally as of end April 2022.1 With the introduction of vaccines that are effective in reducing severe COVID-19 illnesses and deaths, Singapore had since pivoted from a COVID-19 elimination...
Commentary
The Lancet Commission on diagnostics: What it means for Singapore
Effective healthcare systems depend on a functioning healthcare value chain—defined as a care cascade comprising screening, diagnosis, treatment and follow-up. The tremendous heterogeneity and global disparity regarding this healthcare value chain has been one of the fundamental problems with prioritised urgency since the United Nation’s Millennium Development Goals were...
Review Article
Consensus statement on Singapore integrated 24-hour activity guide for children and adolescents
The World Health Organization’s Global action plan for the prevention and control of noncommunicable diseases 2013–2020 provided guiding principles for national efforts in controlling and reducing non-communicable diseases (NCDs).1 The major NCDs include cardiovascular diseases, cancers, chronic respiratory diseases, and diabetes—they form a major public health challenge, and are...
Original Article
Prevalence and correlates of psychological distress and coronavirus anxiety among hospital essential services workers in Singapore
The Coronavirus Disease 2019 (COVID-19) has affected almost all geographies in the world since 2020. Many countries have imposed strict isolation measures to contain the spread of this disease. While the majority of the population has been working from home, essential workers continue manning the frontlines, facing risks such...
Original Article
Prevalence, risk factors and parental perceptions of gastroesophageal reflux disease in Asian infants in Singapore
Functional gastrointestinal (GI) disorders, such as colic, gastroesophageal reflux (GER) and constipation, are common in infants under 1 year. They are a frequent cause of concern for parents and result in a significant healthcare burden1,2 due to their negative impact on feeding behaviours, caregivers’ mental wellbeing and quality of...
Editorial
Gastroesophageal reflux disease in Asian infants: Similar condition, different perceptions
Gastroesophageal reflux disease (GERD), a common problem in infancy, may lead to troublesome symptoms or complications such as oesophagitis or oesophageal stricturing in a small minority of infants.1 In the majority of cases, however, frequent regurgitations, the commonest symptoms of GERD, resolves with age spontaneously without any medical intervention.2,3...
Letter to the Editor
Injection site reactions after COVID-19 mRNA vaccination
Dear Editor,
The Pfizer-BioNTech (BNT162b2 mRNA) and Moderna (mRNA-1273) COVID-19 vaccinations were approved for use in Singapore in December 2020 and February 2021, respectively. To date, over 10 million doses of mRNA vaccines have been administered for the primary series and booster doses.1 Initial studies have shown that 0.8% of...
Original Article
Diagnosis and management of polycystic ovary syndrome: Perspectives of clinicians in Singapore
Polycystic ovary syndrome (PCOS) is a common endocrine disorder estimated to affect 4–21% of women, depending on the diagnostic criteria used.1 Clinical manifestations of the syndrome are varied, and multiple parameters are needed for its diagnosis.2,3 This complicates the diagnosis of PCOS and may cause patient dissatisfaction arising from delayed...
Letter to the Editor
Change in hepatitis B virus DNA status in patients receiving chronic immunosuppressive therapy for moderate-to-severe skin disease
Dear Editor,
Hepatitis B virus (HBV) infection poses a global health burden. Clinically, patients may present with chronic HBV infection, occult HBV infection, and fulminant hepatic failure. In 2010, the hepatitis B surface antigen (HBsAg) seroprevalence in Singapore was 3.6%.1
Patients with dermatological conditions receive prolonged corticosteroid and other immunosuppressive therapy...
Letter to the Editor
Intravascular large B-cell lymphoma associated with sudden stridor arising from thyroid mucormycosis and concomitant bacterial infection
Dear Editor,
Mucormycosis is a life-threatening fungal infection that mainly affects immunocompromised patients. It typically has low prevalence, but fatality rate is as high as 50%.
We present a patient with intravascular lymphoma with secondary bacterial infection and invasive mucormycosis involving the thyroid gland, who experienced good outcomes following surgical...
Letter to the Editor
Evaluation of a health screening protocol for recovered COVID-19 patients before “return-to-play” and strenuous physical activity
Dear Editor,
We conducted a prospective, single-centre cohort study to develop guidance for military personnel returning to strenuous activities following SARS-CoV-2 infection. The patients underwent a clinical review followed by a protocol to screen for cardiac, respiratory, haematological, endocrine/renal and neurological complications after recovery from infection.
Both the study and screening...
Review Article
Determinants of emergency department utilisation by older adults in Singapore: A systematic review
Older adults in Singapore contribute to a disproportionately higher number of visits to the emergency department (ED), mirroring trends around the world.1,2 For instance, hospital admissions among those aged ≥65 years have been on the rise from 2018 to 2020, contributing a growing burden to ED services over the...
Original Article
Pre- and apnoeic high-flow oxygenation for rapid sequence intubation in the emergency department (the Pre-AeRATE trial): A multicentre randomised controlled trial
Critically ill patients in the emergency department (ED) have shorter safe apnoea times due to physiological distress from decreased cardiac output, increased shunting and reduced pulmonary reserves.1 Hypoxia is a commonly encountered adverse event during rapid sequence intubation (RSI)2 and is associated with cardiac arrest, neurological injury and death.3...
Others
Cryptococcal Prostatic Abscess in an Immunocompromised Patient: A Case Report and Review of the Literature
Cryptococcosis is a well-recognised infection in immunocompromised patients, although its prevalence varies with the type of immune defect. We report a patient with myasthenia gravis (MG) on steroid therapy and non-insulin dependent diabetes mellitus (NIDDM) who developed cryptococcal meningitis and in whom a search for a persistent focus by...
Original Article
A Randomized Trial of the Use of Print Material and Personal Contact to Improve Mammography Uptake Among Screening Non-attenders in Singapore
Breast cancer is the most common cancer among females in Singapore. Although lower than incidence rates in North America and the United Kingdom the incidence of breast cancer here has doubled from 20 to 38.8 per 100,000 women per year over the past 2 decades, and the disease is...
Original Article
A Review of Pedestrian Fatalities in Singapore from 1990 to 1994
Fatal road accidents are by no means uncommon in Singapore, a modern tropical metropolis with a population of approximately 3 million. Statistics provided by the Traffic Police Department show that, although the accident fatality rate had fallen sharply from 13.4 per 100,000 population in 1984, to 8.0 per 100,000...
Original Article
Risk Factors for Predicting Mortality in a Paediatric Intensive Care Unit
Following the rapid advances in medical therapy and critical care technology over the past 30 years, coupled with the spiralling cost of medical care, outcome analysis including mortality risk prediction has become a challenge for the modern day intensivists. During the early 90s, the focus has shifted from the...
Others
Emerging Therapies for Sepsis and Septic Shock
Septic shock remains a major cause of morbidity and mortality among hospitalised patients despite advances in antimicrobial therapy and medical support.
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Original Article
Serum Selenium in the General Population of Singapore, 1993 to 1995
The current disease pattern in Singapore (an island state of 3.3 million people composed of 76% Chinese, 14% Malays, 7% Asian Indians and 3% Others) is dominated by non-communicable diseases. There have been increasing trends, though with recent declines, for coronary heart disease (CHD) and cerebrovascular disease, with cancer...
Original Article
Serum Ferritin and Iron Status in the General Population of Singapore, 1993 to 1995
Iron, a dietary constituent, is an essential element. Body iron stores can be measured by haemoglobin, serum ferritin, transferrin saturation, and erythrocyte protoporphyrin.
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Original Article
Infections in Acute Lymphoblastic Leukaemia
Children undergoing chemotherapy for cancer are especially vulnerable to infection because of immunosuppression related to their underlying illness, the effects of chemotherapy and radiotherapy. Empiric antimicrobial chemotherapy is the mainstay of therapy for febrile neutropenic episodes pending the culture results.
This article is available only as a PDF. Please click...
Original Article
Childhood Leukaemia: Towards an Integrated Psychosocial Intervention Programme in Singapore
In the last two decades there has been a surge of interest concerning the psychosocial correlates of life-threatening illnesses. Research in this area has focused especially on cancer and the possible link between immunology and psychological factors.
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Original Article
Epidemiological Surveillance of Melioidosis in Singapore
Melioidosis was first described in 1911 among vagrants and morphine addicts brought into the mortuary in Rangoon, Burma. However, the disease received little attention until the Vietnam War when French and US military personnel were affected by it.
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Original Article
Caudal Morphine in Paediatric Patients: A Comparison of Two Different Doses in Children after Major Urogenital Surgery
The use of caudal preservative-free morphine for postoperative analgesia in children has gained popularity since it was first described by Jensen. Several studies have reviewed its use for inguinal and genital surgery in children.
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Original Article
A Retrospective Study of Infants with Severe Persistent Pulmonary Hypertension (PPHN) Managed without Extracorporeal Membrane Oxygenation (ECMO)
Persistent pulmonary hypertension (PPHN) is an important cause of neonatal mortality amongst infants who are of term or post-term gestation. The most severely ill of these infants would meet the criteria for the use of extracorporeal membrane oxygenation (ECMO).
This article is available only as a PDF. Please click on...
Original Article
Five Paediatric Case Reports of the Use of Adenosine in Supraventricular Tachycardia
Adenosine has been shown to be effective in terminating supraventricular tachycardia in adults and children. However, the use of adenosine has not been previously studied in Singapore children; hence we report our experience with the use of adenosine for the treatment and diagnosis of supraventricular tachycardia in children over...
Original Article
Use of Central Venous Lines in Paediatrics—A Local Experience
Peripheral access by venous cut down, once popular in the 1950s and 1960s, has almost become obsolete with the introduction of the Seldinger technique for percutaneous insertion of central venous lines. In 1973, Shaw invented a technique of cannulating peripheral veins with silastic catheters, as an alternative approach to...
Original Article
Patients Admitted to an Intensive Care Unit for Poisoning
The study of poisoning has been relatively neglected in Singapore. A check through the Infogate database of the National University of Singapore Library revealed only seven papers on the epidemiology of poisoning since 1975 (the earliest year covered by the database) and none targeting those severe enough to require...
Original Article
Survival after Cardiopulmonary Resuscitation in the General Wards—The Results of a Dedicated “Code” Team
Cardiopulmonary resuscitation (CPR) is widely practised for cardiopulmonary arrests with variable success. The initial intention was to defibrillate patients with ventricular fibrillation after acute myocardial infarction, to save those with “hearts too good to die”.
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Review Article
The Global Pandemic of Dengue/Dengue Haemorrhagic Fever: Current Status and Prospects for the Future
The world has experienced unprecedented population growth in the past 50 years that continues unabated in the waning years of the 20th century. It is projected that by the year 2025, the global population will be 8.3 billion people, and by 2050, 10 billion people.
This article is available only...
Original Article
Survey of Aerobic Bacterial Infections in Paediatric Surgical Intensive Care Unit Patients
Data on infections in paediatric surgical patients are few in the literature. Although there are many studies on infection in adult surgical and paediatric medical patients, paediatric surgical patients are a special group in their spectrum of diseases and treatment requirements.
This article is available only as a PDF. Please...
Original Article
Population-based Mammographic Screening in Singapore: What are Participants’ Views?
Breast cancer is the most common cancer among women in Singapore and has been increasing in incidence since 1968. This rise is particularly marked among younger women, suggesting that the increase will take place at an even faster rate in future.
This article is available only as a PDF. Please...
Letter to the Editor
Palm Printing on Agar Plates of Hands of Health Care Workers from the Intensive Care Units of the National University Hospital of Singapore
Nosocomial infections are one of the major causes of morbidity and mortality in hospitals resulting in increasing health care costs. The intensive care unit (ICU) is ideal for the acquisition of nosocomial pathogens.
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Others
Disseminated Penicillium marneffei Infection: A Report of Five Cases in Singapore
Penicillium marneffei is a dimorphic fungus that can cause infection in immunocompromised hosts. Reports on infection with this organism were initially uncommon, but after the first report of disseminated P. marneffei infection in a HIV-infected individual from Bangkok in 1989, the incidence has increased markedly, almost exclusively in patients...
Original Article
A Clinical Study of Seven Cases of Trichotillomania in Singapore
Trichotillomania was first described by a French dermatologist Hallopeau (1889) of a young man who pulled out his hair in tufts. The word trichotillomania is derived from the Greek thrix which means hair; tillein, to pull; and mania, madness or frenzy.
This article is available only as a PDF. Please...
Original Article
A Comparison of Antigen Dipstick Assays with Polymerase Chain Reaction (PCR) Technique and Blood Film Examination in the Rapid Diagnosis of Malaria
According to the 1996 epidemiological studies in Singapore done by the Ministry of the Environment, a total of 364 cases of malaria were reported in 1995. 90.4% of the cases were imported.
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Original Article
Parainfluenza Type 3 Viral Outbreak in a Neonatal Nursery
Parainfluenza viruses are relatively large RNA paramyxoviruses. Four serologic types cause disease in humans.
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Others
T Wave Alternans and Acute Rheumatic Myocarditis: A Case Report
T wave alternans, an electrical cardiac alternans in which there is a beat-to-beat variation in the amplitude, shape or the polarity of the T wave during sinus rhythm without any changes in the QRS complex, is an uncommonly recorded rhythm. We report here an unusual case of T wave...
Others
The Future of Medicine from the Standpoint of the Practising Paediatrician
From the time of recorded history of medicine, the doctor whether he be the ancient healer or the modern medical practitioner, the doctor had practised the art and science, on the basis of curing the patient when he has an illness. The doctor is sought out when the patient...
Others
Hepatopulmonary Syndrome: A Rare Complication of Chronic Liver Disease in Children
Children with chronic liver disorders may present with dysfunction of other organ systems. Encephalopathy, gastrointestinal bleeding, failure to thrive and impaired renal function are some such findings in these children1 Mild to moderate hypoxaemia is also well described in children with chronic liver disease.
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Original Article
Bidirectional Cavopulmonary Anastomosis
Children with complex congenital heart disease and a functional single ventricle may not be ideal candidates for a Fontan procedure. A staged approach to Fontan’s operation has been undertaken in an effort to reduce the volume load of a single ventricle as early as possible and to minimise the...
Original Article
Extent and Appropriateness of Emergency Department Services Usage by Foreign Workers in Singapore
Singapore employs more than 350,000 foreign workers currently. With this influx of foreign workers into our city-state which has limited land and resources, it is not surprising that public services like the health service feel the impact of their presence.
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Original Article
Retinopathy of Prematurity in Very Low Birth Weight Infants
Retinopathy of prematurity (ROP), which could lead to visual impairment and blindness, is a recognised serious morbidity amongst surviving premature infants. The inverse relationship between the risk of this disease with birth weight and gestational age had been well-documented, in particular, in infants with birth weight ≤1500 g (very...
Original Article
Drowning and Near-drowning—Some Lessons Learnt
Drowning is defined as suffocation from submersion in a liquid with death within the first twenty-four hours. Near-drowning implies that recovery has occurred, at least temporarily, or that the victim has survived over twenty-four hours.
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Others
Echocardiographic Features and Management of Neonatal Ductal Aneurysm
Previously thought to be a rare condition, aneurysms of the ductus arteriosus have been increasingly reported in the medical literature over the past few years. It has been noted as an incidental finding in autopsy, echocardiography and angiography, but can present with symptoms of cough, dyspnoea, hoarseness of voice...
Original Article
Transaminitis in Duchenne’s Muscular Dystrophy
Raised aminotransferase levels, especially that of alanine transaminase (ALT), have been traditionally attributed to liver pathology rather than to muscle disorders. However, raised alanine and aspartate transaminase (AST) levels have been found in patients with muscle diseases such as Duchenne’s and Becker’s muscular dystrophy, myotonic dystrophy and the inflammatory...
Original Article
Correlation of Baseline Quantitative Plasma Human Immunodeficiency (HIV) Type 1 RNA Viral Load with Clinical Status and CD4+ T-cell Counts in Treatment-Naïve HIV-Positive Patients in Singapore
Quantitative plasma human immunodeficiency virus type 1 (HIV-1) ribonucleic acid (RNA) viral load is used clinically as a predictor of progression of HIV-1 infection to acquired immunodeficiency syndrome (AIDS) and death, and as a marker of treatment response to anti-HIV agents. Higher viral load levels have been correlated with...
Others
A Case of Mycobacterium scrofulaceum Osteomyelitis of the Right Wrist
Whilst infections caused by Mycobacterium tuberculosis may be a common occurrence in this part of the world, those caused by atypical mycobacteria are rarely encountered. Many of the cases of atypical mycobacterial infections have been associated with underlying immunocompromised states.
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Others
Case Report of Staphylococcus lugdunensis Native Valve Endocarditis and Review of the Literature
Coagulase-negative staphylococci cause 5% of native valve endocarditis. Of the 30 species identified currently, Staphylococcus epidermidis is a well-recognised cause of native valve endocarditis; however, it more commonly causes prosthetic valve endocarditis.
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Others
Twenty-four hour, Non-invasive, Neonatal Chromosome Analysis—Application in a Case of Mixed Gonadal Dysgenesis
Chromosome analysis in neonates requires venisection and this is sometimes both difficult and distressing. In addition, results can at best take 3 days but longer if the initial 48-h culturing period proves unsuccessful.
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Others
Sandhoff Disease—A Case Report of 3 Siblings and a Review of Potential Therapies
Sandhoff disease is a rare inborn error of metabolism characterised by the absence of both β-hexosaminidase A and B, resulting in an accumulation of G<sub>M2</sub> gangliosides, particularly in the neuronal cells. The infantile form, similar to Tay Sach’s disease, may present in the first year of life with an...
Others
A Case Report on the Perinatal Management of a 30-week Preterm Baby with Congenital Complete Heart Block
The association between congenital complete heart block (CHB) and maternal autoimmune disorders has been described for many years. Maternal systemic lupus erythematosus (SLE) is the commonest of these disorders, and a leading cause of heart block in newborns.
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Others
Minimal Change Nephrotic Syndrome—A Complex Genetic Disorder
Minimal change nephrotic syndrome (MCNS) is the most common cause of childhood nephrotic syndrome. It is characterised by the presence of gross proteinuria, hypoalbuminaemia, oedema and hyperlipidaemia.
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Others
Cardiovascular Disease: Genes and Public Health
The excitement surrounding the Human Genome Project and its impending completion has raised expectations of the possibilities for genetics in common disease. It is assumed that the identification of mutations that confer susceptibility will provide the basis for new means of detection, prevention and treatment.
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Others
Candida Arthritis in a Premature Infant Treated Successfully with Oral Fluconazole for Six Months
Candida arthritis in premature infants is regarded as a rare condition. The largest published series of 8 cases from one institution was from Bombay, India.
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Original Article
DNA Testing for Fragile X Syndrome in 255 Males from Special Schools in Singapore
Fragile X syndrome is the most common inherited cause of mental retardation, affecting approximately 1 in 1250 males and 1 in 2500 females. It is associated with a cytogenetically visible fragile site in Xq27.3, termed FRAXA, which results from the unstable expansion of a trinucleotide (CGG)n repeat sequence in...
Original Article
Initial Experience of Radiofrequency Catheter Ablation of Supraventricular Tachycardia in Paediatric Patients
Paroxysmal supraventricular tachycardia (SVT) is well-recognised as one of the commonest rhythm disorders in children. There may be few symptoms, but many experience palpitations, or some other less specific complaints such as nausea, pallor and sweatiness.
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Others
Case Reports of Nocardiosis in Patients with Human Immunodeficiency Virus (HIV) Infection
Nocardiosis is an infection caused by a soil-borne aerobic filamentous bacterium in the genus Nocardia and the order Actinomycetales. Within the genus Nocardia, N. asteroides, N. brasiliensis and N. caviae are responsible for nearly all nocardial infections in man.
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Images in Medicine
Pericardial effusion and tamponade in a young woman
A young woman presented to the Singapore General Hospital with a history of cough in the 2 weeks prior. She had no significant past medical history and no history of immunocompromised state. Chest radiograph showed cardiomegaly. Electrocardiogram showed low voltages in precordial leads (Fig. 1A). A computed tomography scan...
Letter to the Editor
Graves’ disease after COVID-19 vaccination
Dear Editor,
Case 1 was a 41-year-old man with a history of primary hyperthyroidism. At the time of diagnosis, thyroglobulin antibodies were elevated although no thyrotropin receptor antibodies (TRAB) were available. The patient was treated with carbimazole for 20 months. At the time of cessation of carbimazole in May 2020,...
Letter to the Editor
Impact of COVID-19 infections among kidney transplant recipients
Dear Editor,
More than 2 years since the start of the COVID-19 pandemic, cases continue to climb despite global efforts at viral control. This is largely driven by the emergence of viral variants. In the later part of 2021, the Delta variant was the predominant variant circulating globally, and was...
Letter to the Editor
Paediatric living-donor liver and kidney transplantation during COVID-19
Dear Editor,
The coronavirus disease 2019 (COVID-19) pandemic has impacted global healthcare including paediatric solid organ transplantation (SOT). We report our experience of resuming paediatric living-donor SOT during COVID-19, which took into account safety considerations for living donors, paediatric recipients and the transplant healthcare team. The US Centers for Disease...
Letter to the Editor
The evolution of severity of paediatric COVID-19 in Singapore: Vertical transmission and multisystem inflammatory syndrome in children
Dear Editor,
Coronavirus disease 2019 (COVID-19) arrived in Singapore in January 2020 as imported cases, followed by local transmission predominantly involving dormitories, with later spread within the wider community. Children still represent the minority of cases in Singapore, with around 8,000 paediatric cases as of 6 November 2021 out of...
Letter to the Editor
Systemic antibiotic prophylaxis for recurrent infective flares in children and adolescents with atopic dermatitis
Dear Editor,
Atopic dermatitis (AD) is a chronic inflammatory skin disease, affecting approximately 20% of children in Singapore.1 It is associated with skin barrier defects2 and increased skin colonisation with Staphylococcus aureus, which can trigger infective flares, especially in more severe disease. Strategies to reduce S. aureus colonisation and infection...
Commentary
Preparing for the silver boom: A falls prevention tool for older adults in the emergency department
Each year, 28–35% of community dwelling adults over 65 years fall.1 This figure increases to about 50% for those above 80 years old.2 Falls also account for 85% of all geriatric trauma presenting to the emergency department (ED) in Singapore,3 with the crude incidence rate of unintentional falls at...
Original Article
Pericarditis and myocarditis after COVID-19 mRNA vaccination in a nationwide setting
The coronavirus disease 2019 (COVID-19) pandemic has resulted in much morbidity and mortality worldwide. The development of mRNA vaccines has heralded much hope in the fight against the disease. The safety and efficacy of these vaccines have been well demonstrated in clinical trials,1,2 and also against severe disease from...
Others
Histoplasmosis Presenting with Progressively Worsening Backache—A Case Report
A 55-year-old man presented with intermittent low back pain of 2 months’ duration which was progressively worsening, fever, anorexia and a 10-kg weight loss. He has travelled several times in the past few years to caves in Kuala Lumpur for worship.
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Original Article
In vitro Activity of Moxifloxacin against Local Bacterial Isolates
The introduction of newer generation fluoroquinolones has generated great interest, especially in this era of increasing antimicrobial resistance. Among gram-positive resistant bacteria, the most important are methicillin-resistant Staphylococcus aureus (MRSA), β-lactam resistant and multidrug-resistant Streptococcus pneumoniae, and vancomycin-resistant enterococci.
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Original Article
Diagnosing and Prognosticating Acute Meningitis in Young Infants within 24 Hours of Admission
Meningitis is an important cause of fever in young infants (infants 90 days old or younger). Most cases of meningitis are acute meningitis which present with a short history of symptoms and are caused by either bacteria (acute bacterial meningitis, ABM) or viruses (acute aseptic meningitis, AAM).
This article is...
Original Article
Body Mass Index Profile in Hong Kong Chinese Adults
Obesity is considered a chronic disease and not just a social stigma due to the associated morbidity and early mortality. Obesity has now become an epidemic with increasing prevalence in most parts of the world.
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Others
Book Review
The above is a textbook of medicine written by Singapore doctors and published in Singapore. It is difficult not to be over-enthusiastic about it as there are so few books of medicine written and published in Singapore.
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Review Article
Methicillin-resistant Staphylococcus aureus and Vancomycin-resistant Enterococci: Emerging Problems and New Prospects for Management
The prevalence of nosocomial infections due to Gram-positive bacteria has increased dramatically over the last two decades. In North America, Gram-positive cocci now are responsible for nearly two thirds of all bloodstream and skin and soft tissue infections.
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Commentary
Bugs for the Next Century: The Issue of Antibiotic Resistance
Emerging antibiotic resistance is a global problem. Antibiotic resistance results in morbidity and mortality from treatment failures and increased health care costs.
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Review Article
Enteral Nutrition of the Very Low Birth Weight (VLBW) Infant
Optimal nutrition is critical in the management of the preterm infant. The fetus in utero receives continuous intravenous nutrition that is interrupted when prematurely delivered.
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Original Article
A Case Series of Six Children with Primary Pulmonary Hypertension
Pulmonary arterial hypertension (PAH) is an uncommon but serious and debilitating disorder seen in children and adults. By definition, it is an elevation of the pressure in the pulmonary artery to above a mean of 25 mmHg at rest, or 30 mmHg during exercise.
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Others
2nd Chapter of Paediatricians Lecture: The Future of Paediatrics in Singapore
When I was first invited to give this 2nd Chapter of Paediatricians Lecture by the Chapter, my obvious answer was no. I could think of quite a few other paediatricians more qualified and appropriate as speakers and hoped that my emphatic no would work.
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Others
Melioidosis Splenic Abscess—An Unusual Presentation as Osteomyelitis of Rib
A 74-year-old Chinese gentleman first presented in February 1999 with an abscess over his left lower chest. He was treated for pulmonary tuberculosis in 1977.
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Others
Liver Transplantation in a Child With Severe Hypercholesterolaemia in Alagille Syndrome
Alagille syndrome (AS) or arteriohepatic dysplasia is a genetic disorder transmitted in an autosomal dominant inheritance. The chromosomal abnormality has been identified to the short arm of chromosome 20.
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Original Article
The Use of Vigabatrin in Infantile Spasms in Asian Children
Infantile spasms are a form of age-dependent myoclonic epilepsy that is difficult to control. Agents such as adrenocorticotrophic hormone (ACTH) and prednisolone have been used as first-line therapy, but are associated with major side effects.
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Original Article
Intravenous Adrenaline or Vasopressin in Sudden Cardiac Arrest: A Literature Review
Of the approximately 15,000 deaths that occur in Singapore every year, about 25% are from cardiac causes; of which, some 30% to 40% occur suddenly, outside of a hospital. The mechanism of death is usually a fatal arrhythmia, most often ventricular tachycardia or fibrillation.
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Review Article
Evidence-based Health Promotion: Applying it in Practice
There has been a growing interest in health promotion among health professionals and policy makers in Singapore. This is partly in response to the rising trend of chronic diseases and the finding that many of these diseases are lifestyle related and amenable to change.
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Review Article
Paediatric Orthopaedics in Singapore
The name “Orthopaedic Surgery” is derived from the words “orthos” (meaning straight or to straighten) and “paido” (meaning child). Thus, it is not unexpected that paediatric orthopaedics was the first discipline within Orthopaedics to develop as a subspecialty.
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Original Article
Fluconazole Susceptibility of Candida Species in Singapore by Disc Diffusion Test
Candida species is becoming increasingly important as a cause of serious infections particularly in immunocompromised patients. Surveillance in the USA between April 1995 and June 1996 revealed that Candida was the fourth leading cause of nosocomial bloodstream infections, accounting for 8% of such infections.
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Original Article
Audit of Total Parenteral Nutrition in an Adult Surgical Intensive Care
Total parenteral nutrition (TPN) may contribute to good outcome in selected groups of patients. Parenteral nutrition is highly effective in reversing effects attributable to simple starvation.
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Original Article
Acute Coronary Syndrome—Factors Causing Delayed Presentation at the Emergency Department
Acute coronary syndrome (ACS) refers to a continuum of clinical entities ranging from unstable angina pectoris (UAP) to Q-wave myocardial infarction. Mortality rates from acute myocardial infarction (AMI) have seen a worldwide decline in recent years.
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Original Article
The Acute Presentation of Pulmonary Thromboembolism: A Retrospective Viewpoint
Pulmonary thromboembolism (PE) has historically been considered a rarity in the Asian population. Although well studied in the West, Asian literature on this condition has been sporadic.
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Original Article
Paediatric Extracranial Germ Cell Tumours: A Retrospective Review
Germ cell tumours (GCTs) in children account for 2% to 3% of childhood malignancies. They arise from primordial germ cells and constitute a heterogeneous group of tumours.
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Original Article
Two-year Outcome of Normal-birth-weight Infants Admitted to a Singapore Neonatal Intensive Care Unit
With the rapid advances in the field of neonatal intensive care, the focus of interest has been on the very-low-birthweight (VLBW) infant in recent years. The outcome of these infants has been extensively studied and widely reported. On the other hand, data on the incidence, risk prediction and outcome...
Original Article
Influenza in Singapore: Assessing the Burden of Illness in the Community
Influenza is a major cause of morbidity and mortality worldwide. Morbidity in the working age group gives rise to frequent doctor visits and considerable sickness absence from work. Influenza in the elderly population and in high-risk groups results in hospitalisations and deaths due to complications of pneumonia.
This article is...
Others
Bronchopulmonary Dysplasia and Chronic Lung Disease of Infancy: Strategies for Prevention and Management
Bronchopulmonary dysplasia (BPD) and chronic lung disease of infancy (CLD) are two chronic pulmonary conditions which are the result of incomplete resolution or abnormal repair of lung injury in the neonatal period. Although BPD and CLD are closely related, they have differing diagnostic criteria and the spectrum of severity...
Original Article
Intussusception: A Three-Year Review
Intussusception is the most common cause of intestinal obstruction in infants and young children. It occurs when one segment of the intestines telescopes into another.
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Others
Is Healthcare Competition Healthy?
There are many problems which all Health Ministers worry about. But we can generally boil them down to one common problem: “money no enough”.
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Others
Emergency Department Usage by Community Step-Down Facilities – Patterns and Recommendations
It is projected that elderly persons will make up 18.4% of Singapore’s population by the year 2030. Currently, there are 5189 residents staying in nursing homes.
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Others
Critically Ill Elderly Who Require Mechanical Ventilation: The Effects of Age on Survival Outcomes and Resource Utilisation in the Medical Intensive Care Unit of a General Hospital
Increasing life expectancy and ageing of the “post-war baby boomer” generation have led to the rapidly ageing demographic of many Asian countries. Singapore’s elderly population above the age of 65 will rise from 7.5% in 2002 to 18.9% by the year 2030.
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Others
Public Disclosure of Healthcare Performance Information and Its Application to the Singapore Context
It has been said that apart from the prevention of diseases, the best chance of improving health is through improving the quality of care delivered to patients.1 The public disclosure of healthcare performance information is a phenomenon that has come to the fore in the United States (US) and...
Others
Severe Newborn Encephalopathy Unrelated to Intrapartum Hypoxic Events: 3 Case Reports
Since Little’s article of 1862, it was popularly believed that brain damage in the majority of cases of cerebral palsy occurs during labour and delivery. However, the growing evidence in literature has refuted this belief.
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Others
A Case Series of Pre-Viable Severe Twin-Twin Transfusion Syndrome
Monozygotic twinning has an incidence of approximately 3.5 per 1000 pregnancies. Only 25% of monozygotic twins have a dichorionic placenta.
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Others
Idiopathic Chronic Fetomaternal Haemorrhage Resulting in Hydrops – A Case Report
Small amounts (<0.1 mL) of fetal blood are commonly found in maternal circulation. Massive fetomaternal haemorrhage (FMH) involves fetal blood loss into the maternal circulation of greater than 150 mL or more than half the fetal blood volume.
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Editorial
The Role of Influenza Vaccine in Healthcare Workers in the Era of Severe Acute Respiratory Syndrome
The new coronavirus responsible for severe acute respiratory syndrome (SARS) found its first victims in healthcare workers with attack rates of more than 50% before infection control measures were instituted; and this led to the near collapse of healthcare systems in some of the affected countries. In Singapore, healthcare...
Others
Imaging of Paediatric Mediastinal Masses
A review of mediastinal masses in children, emphasising imaging features, is important for several reasons. Firstly, the mediastinum is the most common location for thoracic masses in children.
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Others
The Relationship Between Scoring Systems and Cytokine Levels in Neonatal Sepsis
In newborn infants, the early diagnosis of sepsis is an important problem because the early signs and symptoms of septicaemia in term or preterm infants are usually nonspecific. Many clinical and haematological scoring systems have been developed in the early diagnosis of neonatal sepsis.
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Original Article
Clinical Characteristics of an Outbreak of Hand, Foot and Mouth Disease in Singapore
The enterovirus family causes a wide array of illnesses, some easily recognised clinically and others diagnosed as non-specific viral illnesses. This large family of viruses, composed of more than 70 serotypes, accounts for at least 10 to 15 millions of asymptomatic infection per year in the United States.
This article...
Review Article
Perinatal Care at the Threshold of Viability—From Principles to Practice
One of the major challenges in neonatal-perinatal medicine in the new century is the optimal management of the mother and infant when delivery is imminent or at the threshold of viability. Considerable debate has arisen regarding the appropriate approach and strongly polarised viewpoints are held with and without supporting...
Original Article
Eight-year Outcome of Very-low-birth-weight Infants Born in KK Hospital
The outcome of very-low-birth-weight (VLBW) premature babies with birth weights of <1500 g has remained an area of great concern for both parents and medical personnel.
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Review Article
Long-term Follow-up and Outcome of Extremely-low-birth-weight (ELBW) Infants
With the progressive improvement in the survival of premature neonates, including those born at the extreme edge of viability, there has been a great degree of interest focused on the functioning of these high-risk survivors and their outcome into childhood and recently up to adolescence and early adulthood. Prospective...
Review Article
Exogenous Surfactant Therapy in Newborn Infants
Exogenous surfactant therapy is widely used in the management of neonatal respiratory distress syndrome (RDS) and may have a role in the management of other neonatal respiratory disorders as well. Numerous randomised controlled trials have been conducted in neonatology to study different aspects of surfactant therapy.
This article is available...
Others
The Use and Abuse of Steroids in Perinatal Medicine
Preterm birth, delivery prior to 37 weeks of gestational age, accounts for a major and disproportionate amount of infant and neonatal morbidity and mortality. Despite advances in medical technology, the prevalence of preterm birth in Singapore has increased, secondary to an increase in multiple gestations and obstetric interventions.
This article...
Review Article
Mass Newborn Screening in Singapore—Position and Projections
Mass newborn screening is an essential preventative public health programme which aims to diagnose, in the presymptomatic phase, diseases that have a better outcome with early intervention. The development in 1960 by the late Dr Robert Guthrie of a simple test, the GuthrieTest, that enabled the detection of phenylketonuria...
Others
Neonatology In Singapore: The Way We Were, The Way Forward
Over a span of 35 years of my working life, I have witnessed the growth of, and also grown together with, neonatology in Singapore. As I look at the present-day status of neonatology, it gives me a sense of achievement and accomplishment.
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Original Article
Chorioamnionitis and Outcome in Extremely Preterm Infants
Preterm delivery is associated with considerable morbidity and mortality, especially among the 1% to 2% infants delivered at less than 32 weeks. Chorioamnionitis is a major predisposing factor for preterm delivery.
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Editorial
Challenges in Perinatal Medicine
One of the significant milestones in the perinatal care in Singapore is the birth of the Perinatal Society of Singapore in March 1989. This signaled the beginning of increased collaboration between the obstetricians and neonatologists in the management of high-risk pregnancies through multidisciplinary birth defect clinics and high-risk perinatal...
Editorial
Severe Acute Respiratory Syndrome (SARS) — 150 Days On
The Severe Acute Respiratory Syndrome (SARS) has been identified as a new clinical entity in the year 2003. It was on 12 March 2003 that the World Health Organization (WHO) issued a global health alert on the disease then known as atypical pneumonia.
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Others
Predicting Significant Hyperbilirubinaemia and Early Discharge for Glucose-6-Phosphate Dehydrogenase Deficient Newborns
Glucose-6-phosphate dehydrogenase (G6PD) deficiency occurs in 2.5% of Singapore’s population, and affected newborns are at risk for severe neonatal hyperbilirubinaemia and kernicterus. In the past four decades, neonatology units in local restructured hospitals have hospitalised all affected newborns for at least 14 days after birth because of this risk.
This...
Others
Autoimmune Liver Disease in Children
Autoimmune liver disorders are inflammatory liver diseases characterised histologically by a dense mononuclear cell infiltrate, including plasma cells, in the portal tract (Fig. 1) and serologically by the presence of non-organ and liver-specific autoantibodies and increased levels of immunoglobulin G (IgG), in the absence of a known aetiology. They...
Others
HIV/AIDS in Children
The human immunodeficiency virus (HIV) infection and acquired immunodeficiency syndrome (AIDS) epidemic in Asia has grown from a handful of cases to a major public health threat with wide-ranging medical, social and economic consequences. First gaining foothold among intravenous drug users and commercial sex workers, HIV quickly spreads to...
Review Article
Adolescent Health Education Programmes: Theoretical Principles in Design and Delivery
Over the past three decades, the patterns of health need in youth have changed. Psychosocial problems such as depression, substance abuse, eating disorders, sexually transmitted infections and unplanned pregnancy, accidental and intentional injury, including suicide, affect youth disproportionately and appear to be increasing.
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Review Article
Art and “the Language of Well-Being” in Adolescent Health Care
Creative processes involve imagining, making unexpected connections, maintaining discipline while letting go of controlling the outcome, opening oneself to pleasure, and moving beyond frustration. Creative activity parallels important strategies for mental and spiritual health—people who participate in well-designed creative processes report that it is powerfully restorative.
This article is available...
Review Article
From Recreation to Creative Expression: The Essential Features of an Adolescent Inpatient Psychosocial Support Programme
In 1984, the Royal Children’s Hospital (RCH) in Melbourne, Australia opened a new ward specifically for adolescent inpatients. This initiative was the result of many years of observation, patient survey, discussion and debate about the possibility of allowing teenagers to stay in a children’s hospital.
This article is available only...
Original Article
Adolescent Admissions to a Tertiary Paediatric Hospital: A Dynamic Pattern
The nature of paediatric practice is changing worldwide. In developing countries, infant mortality from infectious diseases continues to fall with improved immunisation, medical care and pharmaceutical advances. This has resulted in a corresponding rise in the number of adolescents, who now constitute 30% of the world’s population.
This article is...
Review Article
Clinical Assessment, Management and Outcomes of a Group of Adolescents Presenting with Complex Medico-psychosocial Conditions
Increased sensitivity to biological change can make adolescents particularly vulnerable to non-organic symptomatic disorders. A variety of pains, headaches, dizziness and fatigue may remain unexplained after medical assessment.
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Original Article
Adolescent Chronic Illness: A Qualitative Study of Psychosocial Adjustment
Chronic illness during adolescence can have significant psychological and social consequences within many life domains. Growing up with a chronic medical condition presents many challenges including dealing with the symptoms of illness, side effects of medications, altered body image, unpredictable disease progression, depression and anxiety.
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Review Article
Strategies to Promote Better Outcomes in Young People with Chronic Illnesses
The epidemiology of child health in the developed world is changing. Mortality from infectious diseases has fallen sharply over the past century due to public health measures, such as sanitation and immunisation, better housing and sweeping improvements in health care.
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Review Article
Adolescent Alcohol and Other Substance Use: Sharing the Australian Experience
The most common causes of morbidity in adolescence often have behavioural or social determinants, and can have enormous social and economic consequences for adolescent and future adult health and well being. Adolescent substance use and abuse is an example of this.
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Review Article
Sexually Transmitted Infections in Singapore Teenagers
Adolescence can be a difficult period for many individuals who have to navigate their way through complicated emotional, psychological, physical and social demands and changes. The transition from childhood to adulthood includes the formation of successful intimate relationships and avoidance of the pitfalls of sexually transmitted infections (STI), including...
Review Article
Eating Disorders in Singapore: A Review
Anorexia nervosa, bulimia and binge-eating disorder are the three best described ‘eating disorders’. All three are predominantly disorders of women with the core symptoms of shape/weight dissatisfaction and eating abnormalities. Anorexia nervosa is characterised by significant self-induced weight loss secondary to fear of fatness, amenorrhoea (cessation of menstruation for...
Review Article
Youth Suicide and Parasuicide in Singapore
The World Health Organization defines suicide as an act with a fatal outcome that is deliberately initiated and performed by the person himself or herself in the knowledge, or expectation, of its fatal outcome. Parasuicide or attempted suicide is distinguished from suicide by the non-fatal outcome.
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Original Article
Five-Year Review of Adolescent Mental Health Usage in Singapore
The past 20 years have seen much growth in the knowledge of child and adolescent psychiatric practice. Research has provided an improved understanding in almost every area, including epidemiology, classification and treatment.
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Others
The Perils of Puberty
Adolescence is a biopsychosocial maturational process, with the biological changes including completion of linear growth and sexual maturation (puberty), maturation of enzyme systems such as cytochrome P450 systems, accretion of peak bone mass, and the development of sexually dimorphic adult patterns in blood lipids, blood pressure, haemoglobin and red...
Editorial
Adolescent Health—A New Perspective in Singapore
In the past five decades, there have been significant advances in the fields of Paediatrics and Adult Medicine in Singapore. However, the bridging field of Adolescent Health has only recently been recognised to be an important specialty which has not received due emphasis in the medical curriculum for undergraduates,...
Letter to the Editor
Stress among emergency medicine residents during the COVID-19 pandemic: A qualitative study
Dear Editor,
The COVID-19 pandemic has disrupted medical education1,2 and distressed clinicians.3,4 Understanding the impact of this pandemic on emergency medicine (EM) residents’ experience of stress will allow for more effective interventions to aid residents, while reducing attrition and its impact on pandemic response.
We present our qualitative study, guided by...
Letter to the Editor
Patterns and predictors of sound levels in hospital rooms
Dear Editor,
Excessive sound levels in the hospital can impair the work performance of healthcare professionals and affect patient well-being.1 Previous studies have also linked excessive sound levels with sleep disturbances and cardiovascular morbidity.2 While there have been data published regarding noise levels in the intensive care unit (ICU),3...
Letter to the Editor
Pressure injuries related to N95 respirator masks among healthcare workers during the COVID-19 pandemic
Dear Editor,
The coronavirus disease 2019 (COVID-19) pandemic outbreak, which started in 2019, has affected millions of patients globally.1 Singapore is not spared, being one of the first countries to import COVID-19 cases from China.2 Nosocomial transmission of SARS-CoV-2 had been reported in various cohort studies of healthcare workers (HCWs),...
Others
MELAS: A Case Report
A 6-year-old Chinese boy presented at the Oral and Maxillofacial Surgery clinic with gingival bleeding due to poor oral hygiene, odontogenic pain due to multiple dental caries, phenytoin-induced gingival hyperplasia and severely worn-down and eroded dentition. He is under regular follow-up by the Paediatrics Department of the National University...
Original Article
Oropharyngeal Carriage and Penicillin Resistance of Neisseria meningitidis in Primary School Children in Manisa, Turkey
Infections by Neisseria meningitidis are significant causes of mortality and morbidity in young children and adolescents. The epidemiology of serious meningococcal disease is an area of considerable interest, and many unanswered questions surround this organism and the types of diseases it causes.
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Original Article
A Clinical Audit of Presentation and Outcome of Salmonella Septicaemia
Salmonella infection occurs globally and has diverse presentations including enteric fever, gastroenteritis, localised infection, chronic enteric or urinary carrier state and bacteraemias. Enteric fever, caused by Salmonella typhi (S. typhi) and Salmonella paratyphi (S. paratyphi), occurs mostly in developing tropical countries but is increasingly seen as imported infections in...
Original Article
Post-SARS Psychological Morbidity and Stigma Among General Practitioners and Traditional Chinese Medicine Practitioners in Singapore
Severe acute respiratory syndrome (SARS) is the first severe and readily transmissible new disease to emerge in the 21st century (WHO). The countries most severely affected by this epidemic were Hong Kong, China, Taiwan, Canada and Singapore.
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Others
The Role of Public Health and Occupational Physicians in the New Millennium
I want to thank the Chapter and organisers for honouring me with this kind invitation to speak to you. This millennium is only 4 years old, and yet I cannot see beyond the next decade, with things moving so rapidly.
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Original Article
A Study on SARS Awareness and Health-seeking Behaviour – Findings from a Sampled Population Attending National Healthcare Group Polyclinics
There was a worldwide outbreak of Severe Acute Respiratory Syndrome (SARS) caused by the novel coronavirus between November 2002 and July 2003. Singapore was one of the hot spots, in addition to China, Taiwan, Hong Kong, Toronto and Vietnam.
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Review Article
Laboratory Safety Aspects of SARS at Biosafety Level 2
In Singapore, the majority of patients suffering from the severe acute respiratory syndrome (SARS) were cared for at Tan Tock Seng Hospital. The dramatic and serious nature of this outbreak in 2003 focussed unprecedented attention on laboratory safety practices.
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Original Article
Varicella Screening and Vaccination for Healthcare Workers at KK Women’s and Children’s Hospital
Due to the increased morbidity and mortality of varicella zoster (VZ) in adults and increased exposure to chickenpox in hospitals, especially in paediatric hospitals, healthcare workers (HCWs) are encouraged to be vaccinated against varicella. Pregnant HCWs who are exposed to chickenpox also face the risk of transmitting VZ to...
Original Article
Work-related Injury Sustained by Foreign Workers in Singapore
Singapore has a resident population of 3.26 million and 0.53 million foreign workers. Of these half a million foreigners, 450,000 are work permit holders, typically working in lower skill industries and blue-collar sectors, e.g. construction industry.
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Letter to the Editor
A Fatal Turkish Case of Campomelic Dysplasia
Paediatric Medicine (CD) is a rare form of congenital short-limbed dwarfism, classically characterised by campomelia (bowing of the long bones of the lower extremities) in association with a posterior cleft palate, flattened facies and hypoplastic scapulae. It was first fully and originally described by Spranger et al and Maroteaux...
Others
Transmission of Tuberculosis from Patient to Healthcare Workers in the Anaesthesia Context
Tuberculosis poses a very real problem to healthcare workers (HCWs). In Singapore, the prevalence of tuberculosis in the general population remains high at 44 per 100,000 in the year 2001.
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Others
Severe Adult Chickenpox Infection Requiring Intensive Care
Chickenpox (varicella) in adults can be severe. It is frequently associated with pneumonia and immunosuppression as well as increased mortality rates.
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Original Article
Familial Risk of Allergic Rhinitis and Atopic Dermatitis among Chinese Families in Singapore
Family history has been shown to be a risk factor for the development of allergic rhinitis (AR) and atopic dermatitis (AD). However, the increase in prevalence has also been attributed to the changes in lifestyle and urbanisation in developed countries.
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Editorial
Issues and Challenges for Myopia Research
Myopia is an ocular disorder of major public health and socioeconomic significance in many East Asian urban cities. In Singapore, the prevalence of myopia is one of the highest worldwide, affecting 28% of school children at the start of their primary education and 70% of those completing university education.
This...
Others
Clinical Report: A Case of Williams Syndrome and Klinefelter Syndrome
Williams syndrome (WS) is a rare but well recognised neurodevelopmental disease affecting the connective tissue and the central nervous system. The syndrome was first described in 1961 and the phenotype was subsequently expanded in 1972.
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Others
Skin Manifestation of Stenotrophomonas maltophilia Infection – A Case Report and Review Article
Stenotrophomonas maltophilia is an aerobic gram-negative bacillus that is found in aquatic environments. It is a frequent coloniser of fluids used in the hospital setting, such as nebulisers, water baths, dialysis machines and intravenous fluids.
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Original Article
Gender Disparity in Paediatric Hospital Admissions
Gender difference in the incidence of childhood diseases has long been recognised. but the magnitude of this effect and consistency across many disease categories appears not to attract much attention or research interest. Gissler and colleagues, in a longitudinal follow-up of all children born in Finland in 1987, reported...
Original Article
Study of Inherited Metabolic Disorders in Singapore – 13 Years Experience
Inborn errors of metabolism (IEMs) described in the early 1900s by Garrod were due to a block in a metabolic pathway, arising from an enzyme deficiency which led directly to the disruption of cellular metabolism. However 40 years later, it was discovered that many inherited diseases were not due...
Original Article
Does Visual Turbidity Correlate With Serum Triglyceride Levels in Babies on Total Parenteral Nutrition?
Intravenous lipid infusion is commonly used as part of total parenteral nutrition (TPN) in newborn babies. Upon infusion, it forms an emulsion that resembles endogenously produced chylomicrons.
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Original Article
Early Dengue Infection and Outcome Study (EDEN) – Study Design and Preliminary Findings
Dengue fever/dengue haemorrhagic fever (DF/DHF) is a re-emerging disease that is endemic in the tropical world. It is caused by 4 closely-related dengue viruses which are transmitted by the Aedes mosquitoes, principally the Aedes aegypti mosquito.
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Original Article
Seroepidemiology of Pertussis in the Adult Population of Singapore
Pertussis is a highly communicable, vaccine-preventable respiratory disease and is a frequent but often underestimated cause of prolonged cough illness in adults. Whereas in children pertussis is characterised by paroxysmal cough, whooping cough and post-tussive vomiting, in adults the disease is often atypical, sometimes manifested only by a protracted,...
Original Article
Corticosteroids are not Present in a Traditional Chinese Medicine Formulation for Atopic Dermatitis in Children
Atopic dermatitis (AD) is a common, chronic inflammatory skin disease. It has been estimated that 15% of schoolchildren aged 13 to 14 years have a history of AD.
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Original Article
Use of Complementary and Alternative Medicine in Paediatric Oncology Patients in Singapore
Complementary and alternative medicine (CAM) has been gaining acceptance throughout the world. The efficacy of CAM is unproven, yet it remains popular with the general public, with many of them utilising it for a whole spectrum of ailments.
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Original Article
The Epidemiology of Paediatric Intussusception in Singapore: 1997 to 2004
Intussusception (IS) is the most common cause of intestinal obstruction in infants and young children. The peak age of presentation is 4 to 8 months.
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Original Article
Travel Characteristics and Health Practices Among Travellers at the Travellers’ Health and Vaccination Clinic in Singapore
The South-east Asian region has seen recent increases in travel, and pre-travel health advice is important in protecting these travellers from risks. Travellers now travel to destinations with high disease risks.
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Others
A Report of Two Families with Sarcosinaemia in Hong Kong and Revisiting the Pathogenetic Potential of Hypersarcosinaemia
Sarcosinaemia (OMIN 268900) is an autosomal recessive condition due to the deficiency of sarcosine dehydrogenase (E.C. 1.5.99.1). It is a rare condition with an estimated incidence of 1 in 350,000 in a newborn screening programme.
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Editorial
Environmental Planning and Urban Health
Environmental exposures to the adverse effects from climate change are expected to increase for many urban populations in the United States during the next 50 years, potentially due to increased summertime heat stress, increased ambient ozone concentrations, and other pathways such as increased vector- and water-borne disease. Vulnerable elderly...
Others
Neonatal Priapism Associated With Spontaneous Bilateral Pyocavernositis
Priapism is a pathological state of prolonged, generally painful erection, unassociated with sexual desire and not ending in ejaculation. Rare before the 1980s, this entity became more frequent after the introduction of vasoactive drugs for intracavernosal injections.
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Original Article
Understanding the Super-spreading Events of SARS in Singapore
Severe acute respiratory syndrome (SARS) was the first emerging infectious disease of this century with true epidemic potential. Worldwide, the virus caused a total of 8098 reported infections and 774 deaths before it was brought under control.
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Editorial
Paediatrics to Geriatrics: The Continuum
In many parts of Asia today, paediatricians are still grappling with the childhood problems of infectious diseases, diarrhoeal diseases and malnutrition. In Singapore, it was no different up to the mid 1980s.
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Commentary
SARS Plague: Duty of Care or Medical Heroism?
SARS has been described as a Chinese plague because it emerged from the colourful markets of wild animals and the exotic kitchens of Guangdong, southern China in mid-November 2002. In late February 2003, the Metropole Hotel in Hong Kong became the epicentre where SARS crossed intercontinental boundaries through rapid...
Commentary
SARS: How to Manage Future Outbreaks?
Severe acute respiratory syndrome (SARS) is caused by a novel coronavirus (SARS-CoV), which crossed from wild animals at live markets to man in mid-November 2002 in Guangdong, southern China. SARS was the first pandemic of the 21st century.
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Review Article
SARS Revisited: Managing “Outbreaks” With “Communications”
In the short span of 3 years since SARS first appeared on the Asian landscape, terms like “risk communications” and “outbreak communications” have assumed greater import and found common usage in the lexicon of governance by public health systems in our part of the world.
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Review Article
Laboratory Containment of SARS Virus
Severe acute respiratory syndrome (SARS) emerged in November 2002 in Guangdong Province in China and quickly spread to 26 countries/areas with local transmission in Hong Kong, Singapore, Vietnam and Canada. The causative agent was identified as SARS coronavirus (SARS-CoV), not seen before in human.
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Review Article
SARS and Emerging Infectious Diseases: A Challenge to Place Global Solidarity above National Sovereignty
The majority of the world’s information about infectious disease outbreaks no longer comes from voluntary reporting by countries, the willingness of which is influenced by fears of severe decreases in travel, tourism and trade as a result of aggressive protective measures undertaken by other countries. It now comes from...
Review Article
SARS in Singapore – Key Lessons from an Epidemic
The 2003 severe acute respiratory syndrome (SARS) outbreak represented the most severe communicable disease challenge to the public health system and the government and people of Singapore. The SARS outbreak in Singapore began on 1 March 2003 and the last case of the outbreak was isolated on 11 May...
Original Article
Radiographic Features of SARS in Paediatric Patients: A Review of Cases in Singapore
Severe acute respiratory syndrome (SARS) is a newly emerged atypical pneumonia caused by the SARS-associated coronavirus (SARS-CoV). It is easily transmitted via droplet infection from close contact.
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Original Article
Clinical and Laboratory Findings of SARS in Singapore
An outbreak of atypical pneumonia was recognised in Singapore soon after the release of a global alert by the World Health Organization (WHO) on 12 March 2003. This disease was later named severe acute respiratory syndrome (SARS).
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Original Article
SARS in Singapore – Predictors of Disease Severity
Severe acute respiratory syndrome (SARS) is a recently defined illness caused by a novel coronavirus. The outbreak in Singapore originated from Hong Kong via mainland China.
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Original Article
The Outbreak of SARS at Tan Tock Seng Hospital – Relating Epidemiology to Control
Severe acute respiratory syndrome (SARS) is an emerging infectious disease caused by a novel coronavirus. Worldwide, the virus caused a total of 8098 reported infections and 774 deaths before it was brought under control.
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Original Article
Epidemiology and Control of SARS in Singapore
Since the 1990s, a number of infectious diseases have emerged in Singapore, despite its high standard of environmental hygiene, comprehensive childhood immunisation programme and strict control of imported food and livestock. These emerging diseases include Bengal cholera caused by a new cholera biotype, Vibrio cholerae O139, multi-drug-resistant salmonellosis caused...
Editorial
Lessons From the SARS Crisis – More Relevant Than Ever
This issue of the Annals contains articles on the severe acute respiratory syndrome (SARS). One might wonder what else there is to write about SARS.
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Original Article
Modelling the Utility of Body Temperature Readings From Primary Care Consults for SARS Surveillance in an Army Medical Centre
There has been increasing interest in building surveillance systems capable of detecting outbreaks of infectious diseases, at the stage where clinical presentation would still be undifferentiated. The thrust of such systems is to detect both intentionally induced and naturally occurring outbreaks in their earliest stages, and if possible, at...
Original Article
Rising Trends of STIs and HIV Infection in Singapore – A Review of Epidemiology Over the last 10 Years (1994 to 2003)
A review of the epidemiology and trends of sexually transmitted infections (STIs) in Singapore from 1977 to 1996 showed a declining number of all STIs notified in Singapore from 22,427 in 1978 to 5570 in 1996, with the 20-to-29 years age group consistently accounting for the highest proportion of...
Original Article
Variables Determining Perceived Global Health Ranks: Findings from a Population-based Study
In 1982, Mossey and Shapiro first demonstrated that global self-rating of health was a better predictor of 7-year survival than medical records or self-reports of medical conditions in participants of the Manitoba Longitudinal Study. Since then, many population-based longitudinal studies have confirmed that global self-rated health remains an independent...
Others
Public Healthcare – Welfare, Market Share or Laissez-faire? – A Sentosa Carlsberg Skytower View
Recently, two doctor-administrators commented to me separately, “Singapore probably has the best public healthcare system in the world.” While I understand the basis for their view, the accolade of world’s best healthcare system, according to the World Health Organization’s ranking, actually goes to France.
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Others
Potentially Fatal Paracetamol Overdose and Successful Treatment with 3 Days of Intravenous N-acetylcysteine Regime – A Case Report
Paracetamol overdose is one of the most common drug overdose in both children and adults in Singapore. Doses of paracetamol exceeding 150 mg/kg in a patient can be life threatening.
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Original Article
Clinical Features Associated with Nasal Staphylococcus aureus Colonisation in Chinese Children with Moderate-to-severe Atopic Dermatitis
Atopic dermatitis (AD) is a common chronic relapsing disease in children. It was estimated that about 15% of children suffer from this disease.1-3 Bacterial colonisation/ infection due to Staphylococcus aureus is considered an important factor in the pathophysiology and mechanism involved in AD exacerbation.4,5 We set out to (i)...
Commentary
Clinical Cases Seen in Tsunami Hit Banda Aceh – From a Primary Health Care Perspective
Earthquakes and tsunamis can cause massive destruction over large areas, affecting the lives of many in areas hit by such disasters. The local health care system often gets disrupted and the health and well-being of the survivors may depend on disaster relief organisations from within the country as well...
Review Article
A Rotavirus Vaccine for Infants: The Asian Experience
Of all the enteric pathogens that infect young children, rotavirus is recognised as the leading cause of severe gastroenteritis worldwide. Rotavirus accounts for 20% of all diarrhoea-related deaths and global mortality among children less than 5 years of age is estimated at nearly half a million.
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Editorial
Therapeutic Hypothermia for Neonatal Hypoxic-Ischaemic Encephalopathy
Hypoxic-ischaemic encephalopathy (HIE) is an important cause of death and later neurological disability in full-term neonates worldwide. Perinatal asphyxia causes about 19% of the over 5 million neonatal deaths worldwide annually.
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Others
Outcome of Organic Acidurias in China
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Others
Organising Services for IMD in Thailand: Twenty Years Experience
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Others
Newborn Screening in Pakistan – Lessons from a Hospital-based Congenital Hypothyroidism Screening Programme
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Others
Newborn Screening in Bangladesh
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Others
Newborn Screening in China: Phenylketonuria, Congenital Hypothyroidism and Expanded Screening
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Others
Minimising Harm from Newborn Screening Programmes
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Others
Developmental Dysplasia of the Hip: Universal or Selective Ultrasound Screening?
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Others
Financing Newborn Screening Systems: US Experience
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Others
Inborn Errors of Metabolism Presenting as Neonatal Encephalopathy: Practical Tips for Clinicians
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Others
Legal Issues in Neonatal Screening
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Others
Neuroblastoma Screening in Japan: Population-based Cohort Study and Future Aspects of Screening
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Others
External Quality Assurance Programme for Newborn Screening of Glucose-6-Phosphate Dehydrogenase Deficiency
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Others
Glucose-6-Phosphate Dehydrogenase Deficiency: Correlation between the Genotype, Biochemistry and Phenotype
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Others
Disorders of Vitamin B12 Metabolism Presenting Through Newborn Screening
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Others
Diagnosis of Tetrahydrobiopterin (BH4) Responsive Mild Phenylketonuria in Japan over the Past 10 Years
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Others
Fatty Acid Oxidation Defects
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Others
Disorders of the Carnitine Cycle and Detection by Newborn Screening
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Others
Spectrum of Inherited Metabolic Disorders in Malaysia
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Others
Establishing a Universal Newborn Hearing Screening Programme
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Others
Current Understanding of Auditory Neuropathy
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Others
A Multidisciplinary Approach to Paediatric Hearing Loss: Programme at the Centre for Hearing Intervention and Language Development, National University Hospital, Singapore
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Others
Early Intervention For Hearing Impairment: Appropriate, Accessible and Affordable
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Others
Impact of the National Hearing Screening Programme in China
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Others
Outcome of Early Cochlear Implantation
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Others
Eliminating Iodine Deficiency: Obstacles and Their Removal
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Others
Neuro-developmental Deficits in Early-treated Congenital Hypothyroidism
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Others
Issues on Universal Screening for Galactosemia
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Others
Newborn Screening for all Identifiable Disorders with Tandem Mass Spectrometry is Cost Effective: The Negative Case
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Others
Newborn Screening for all Identifiable Disorders with Tandem Mass Spectrometry is Cost Effective: Supporting Arguments
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Others
My Early Experiences in Establishing Neonatal Screening and the Reason for Regional Meetings of the International Society for Neonatal Screening
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Others
Disaster Relief and Initial Response to the Earthquake and Tsunami in Meulaboh, Indonesia
A massive earthquake and tsunami hit the South Asian region on 26 December 2004, killing more than 200,000 people and displacing countless more.1 The epicentre of the earthquake was near the coast of Aceh in Sumatra, Indonesia. 2 The subsequent tsunami, one of the deadliest in history, affected more...
Others
Diagnosis and Management Support for an Expanded Newborn Screening Programme
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Others
Considerations in Choosing Screening Conditions: One (US) Approach
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Others
Clinical Applications of Molecular Genetics: The Model of Congenital Adrenal Hyperplasia
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Others
Newborn Screening in Japan: Restructuring for the New Era
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Others
Improved Health and Development of Children who are Deaf and Hard of Hearing Following Early Intervention
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Others
Towards Universal Newborn Screening in Developing Countries: Obstacles and the Way Forward
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Others
Improving Child Health – Newborn Screening for All?
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Editorial
Neonatal Screening – A Global Perspective
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Commentary
Graduate Public Health Education – Singapore’s Contribution to Strengthening Capacity in the Region and Beyond
The effectiveness with which the world tackles its most pressing public health problems depends crucially on the calibre of its public health workforce. Institutions of higher learning play a critical leadership role in this regard, both to build capacity at the national, regional and global levels, and to ensure...
Original Article
Prevalence of Refractive Error in Malay Primary School Children in Suburban Area of Kota Bharu, Kelantan, Malaysia
Refractive error remains one of the primary causes of visual impairment in children worldwide. Prevalence of visual impairment in children, is defined as uncorrected vision equal to or worse than 20/40, and it varies from as low as 2.72% in South Africa to as high as 15.8% in Chile.
This...
Original Article
Anaerobic Culture of Diabetic Foot Infections: Organisms and Antimicrobial Susceptibilities
Singapore has a relatively high prevalence of diabetes mellitus, with a recent survey showing an age-standardised prevalence of 7.8% in 2004. Diabetic soft-tissue infections result in significant morbidity in this population of patients.
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Others
Infection Control Practices at the Singapore General Hospital: From a Swedish Point of View
Methicillin-resistant Staphylococcus aureus (MRSA) is the most common antibiotic resistant pathogen in many parts of the world, and is associated with significant in hospital morbidity and mortality. The majority of MRSA infections are hospital acquired, and the prevalence of such cases can be affected by infection control practices such...
Others
Methicillin-resistant Staphylococcus aureus Control in Singapore – Moving Forward
The significance of methicillin-resistant Staphylococcus aureus (MRSA) is indisputable. Its successful establishment and maintenance as the most important endemic healthcare associated infection (HCAI) results from its reservoir in up to 20% of inpatients and 16% of healthcare workers plus its ability to survive on surfaces for over 12 days.
This...
Commentary
“Future” Threat of Gram-negative Resistance in Singapore
Gram-negative bacteria are important causes of urinary tract infections, bloodstream infections, healthcare-associated pneumonia, and intra-abdominal infections. The increasing resistance of Enterobacteriaceae is a significant challenge.
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Review Article
Polymyxins: A Review of the Current Status Including Recent Developments
Polymyxins are polypeptide antibiotic that becomes available for clinical use in the 1960s, but was replaced in the 1970s by antibiotics considered less toxic. Presently, polymyxins have re-emerged as a “no choice” alternative for treatment of multidrug-resistant (MDR) gram-negative bacilli infections, which are not infrequent, in Singapore and Asia...
Review Article
Vancomycin-resistant Enterococcus – A Review From a Singapore Perspective
The first isolates of high-level vancomycin-resistant enterococci (VRE) were reported from the United Kingdom in the late 1980s. Since then rates of VRE infection and colonisation have been steadily rising.
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Review Article
Methicillin-resistant Staphylococcus aureus Control at the National University Hospital, Singapore: A Historical Perspective
The National University Hospital (NUH) was established in 1985 as the first restructured hospital and medical centre in Singapore. At its official opening in 1986, the then Director of Medical Services, Dr Kwa Soon Bee, Chairman NUH, hoped that the new teaching hospital would set the pace for “an...
Review Article
Gram-negative Resistance in Singapore: A Historical Perspective
Standardised antimicrobial susceptibility testing was first introduced to Singapore in the mid-1970s. The earliest Singapore antibiogram the author is aware of was published in 1974 by Tan et al (Fig. 1) based on a limited number of isolates from sterile and non-sterile sites at the Department of Pathology, Ministry...
Original Article
In vitro Activities of Antifungal Drugs Against Yeasts Isolated from Blood Cultures and Moulds Isolated from Various Clinically Significant Sites in Singapore
Fungaemia carries with it high mortality rates and appropriate as well as timely antifungal therapy has been shown to be life saving. Amphotericin B has the broadest coverage amongst the antifungal drugs against fungal infection, and was regarded the gold standard treatment for severe fungal infection.
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Original Article
A Retrospective Analysis of Antifungal Susceptibilities of Candida Bloodstream Isolates From Singapore Hospitals
Nosocomial infection with Candida species is increasing in significance worldwide. A recent review of positive blood cultures noted the relative increase in importance of fungal bloodstream infections (BSI), and Candida was reported as the fourth most common blood stream pathogen in the United States.
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Original Article
Ertapenem for Treatment of Extended-spectrum Beta-lactamase-producing and Multidrug-resistant Gram-negative Bacteraemia
Extended-spectrum beta-lacatamase (ESBL)-producing gram-negative bacteraemia is optimally treated with carbapenem. In our institution, Escherichia coli and Klebsiella pneumoniae are the most common and third most common causes of bacteraemia, and 21% of E. coli and 51% K. pneumoniae produced ESBL.
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Original Article
Independent Predictors for Mortality in Patients with Positive Stenotrophomonas maltophilia Cultures
Stenotrophomonas (formally Pseudomonas or Xanthomonas) maltophilia is a gram-negative bacillus emerging as an opportunistic, nosocomial pathogen associated with a high mortality rate. Although it was previously considered to have limited pathogenicity, recent reports suggested that infection with S. maltophilia was associated with significant morbidity and mortality, particularly in severely...
Original Article
Antibiotic Resistance in Gram-negative Bacilli: A Singapore Perspective
In contrast to recent media reviews on gram-positive pathogens such as methicillin-resistant Staphylococcus aureus, vancomycin-resistant enterococci and Clostridium difficile, the increasing complexity and multiplicity of antibiotic resistance in gram-negative bacilli has generally gone unnoticed by the general public. Antimicrobial resistance in gram-negative bacilli has increased worldwide over the past...
Editorial
Antimicrobial Resistance: A New Beginning and the Need for Action
In this issue, the articles (historical, original and review papers) highlight the extent and problem of antimicrobial resistance in Singapore. The authors should be congratulated on their efforts.
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Letter to the Editor
Assessment of Medical Graduates Competencies
Medical professional proficiency comprises a set of skills, knowledge, and attitudes necessary to efficiently accomplish the practice of medicine. The major aim of undergraduate medical education in the region is to produce doctors who are competent and able to meet the health needs of the community while also being...
Commentary
When Words Really Matter
I think a lot these days about doctors giving advice. Nobody taught me, back in medical school, how to give advice.
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Original Article
Observational Study to Determine Factors Associated with Blood Sample Haemolysis in the Emergency Department
Haemolysis of blood samples leads to inaccurate results and often necessitates a repeat sample. Escalating workloads and finite resources are an increasing problem in many Emergency departments (EDs), where many conditions have time-dependent outcomes, and accurate and quick blood results are thus important.
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Review Article
Behavioural Sleep Disorders in Children and Adolescents
Overall, children spend one-third to one-half of their life sleeping. Although sleep comprises such a significant portion of a child’s day, sleep disturbances are often overlooked by healthcare practitioners.
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Review Article
Cardiovascular Changes in Children with Snoring and Obstructive Sleep Apnoea
Sleep disordered breathing (SDB) is a spectrum of diseases ranging from primary snoring to obstructive sleep apnoea (OSA). A recent review suggested that the prevalence of childhood OSA diagnosed by varying criteria was 1% to 4%.
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Review Article
Obesity and Obstructive Sleep Apnoea Hypopnoea Syndrome in Singapore Children
Obesity is becoming a problem of epidemic proportions and is perhaps, the most pervasive medical problem faced by medical providers today. It is a problem affecting about 10% to 15% of our school-going population in Singapore, affecting disease burden in virtually every medical subspecialty.
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Review Article
Sleep Disorders in Children: The Singapore Perspective
Sleep problems are common in children. For example, snoring occurs in more than 25% of Singapore children1 and obstructive sleep apnoea (OSA) occurs in 1% to 3% of children.
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Review Article
Diagnosis and Evaluation of Obstructive Sleep Apnoea in Children
Children with obstructive sleep apnoea (OSA) may present with nocturnal and/or diurnal symptoms. The history is best obtained from parents, or siblings who share a bedroom, since the child is often unaware of what happens when he or she is asleep.
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Review Article
The Scope of Paediatric Sleep Medicine
Despite apparent similarities to adult sleep medicine, the disorders of paediatric sleep medicine have a distinct epidemiology and pathophysiology. During childhood, the physiology of sleep develops and matures, resulting in changing patterns of normal behaviours and of sleep disorders.
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Original Article
Sleep Disturbances in Singaporean Children with Attention Deficit Hyperactivity Disorder
Attention deficit hyperactivity disorder (ADHD) is a common childhood psychiatric disorder with various studies reporting prevalence rates of between 1.7% and 16%. The most current version of the Diagnostic and Statistical Manual of Diseases (DSM), fourth edition, has 2 lists of behavioural symptoms grouped under “inattentive” and “hyperactive-impulsive” symptoms,...
Original Article
Inflammatory Cytokines and Childhood Obstructive Sleep Apnoea
Obstructive sleep apnoea (OSA) is characterised by repeated episodes of upper airway occlusion during sleep that are associated with daytime behavioural changes and abnormalities in cardiovascular function. In adults, it has been shown that OSA is an independent risk factor for cardiovascular diseases.
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Original Article
Nasal Obstruction in Children with Sleep-disordered Breathing
Nasal breathing is critical in infants and children; for example, neonatal choanal atresia often leads to respiratory distress and may require urgent intervention in the newborn nursery. Later, during development in the first years of life, abnormal nasal breathing has important consequences for facial growth.
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Review Article
Infectious Respiratory Illnesses and their Impact on Healthcare Workers: A Review
With the recent outbreak of severe acute respiratory syndrome (SARS) and its exceptionally high transmission rate in healthcare settings, healthcare workers (HCWs) and administrators have expressed heightened concern about respiratory illnesses and their impact on health services. Some infectious diseases have long been known to pose hazards in acute-care...
Review Article
The Emerging Challenge of Age-related Eye Diseases in Singapore
Singapore has one of the fastest ageing populations in the world today. The current elderly population, defined as persons 65 years or older, comprises 7% of Singapore’s total population and is expected to multiply almost threefold to 19% by the year 2030.1 Although the current figure stands at 7%,...
Review Article
Healthcare Workers and HIV Health Issues
This paper aims to present a comprehensive review of issues related to HIV testing in healthcare workers (HCWs) and proposes appropriate measures in response to implications of a positive test result. It reflects an attempt to address the need to protect patients, preserve public confidence in the healthcare system...
Original Article
Improving Door-to-balloon Times in Primary Percutaneous Coronary Intervention for Acute ST-elevation Myocardial Infarction: The Value of an Audit-driven Quality Initiative
Primary percutaneous coronary intervention (PCI) for patients with acute ST-elevation myocardial infarction (STEMI) has been shown to be superior to thrombolytic therapy in terms of its ability to achieve higher patency rates, minimise infarct size, improve left ventricular function and improve long-term survival, as well as lower rates of...
Original Article
Immunogenicity, Reactogenicity and Safety of a Diphtheria-Tetanus-Acellular Pertussis-Inactivated Polio and Haemophilus Influenzae Type b Combination Vaccine in a Placebo-controlled Rotavirus Vaccine Study
Singapore’s national immunisation programme for the 6 traditional Expanded Programme on Immunisation (EPI) vaccines (i.e. BCG, diphtheria, tetanus, pertussis, polio and measles) and hepatitis B has been in place for many years and its success has been dramatic. Despite being previously endemic to Singapore in the 1950s, diphtheria has...
Original Article
The 2005 Dengue Epidemic in Singapore: Epidemiology, Prevention and Control
Dengue is the most important human viral disease transmitted by arthropod vectors. Some 2500 million people – two-fifths of the world’s population – are now at risk from dengue.
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Commentary
Risk Communications: In Search of a Pandemic
The first decade of the new millennium has seen a string of disasters worldwide – earthquakes, tsunamis, floods, typhoons and acts of terrorism – bringing in its wake, scenes of utter devastation and death. Predictably, these disasters have been accompanied by public outrage, directed more often than not at...
Review Article
Antiviral Drugs for the Control of Pandemic Influenza Virus
Over the past 100 years there have been 3 major influenza virus pandemics, which have among them claimed millions of lives. In 1918 the first of these pandemics occurred suddenly, and without warning.
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Review Article
Vaccines for Pandemic Influenza. The History of our Current Vaccines, their Limitations and the Requirements to Deal with a Pandemic Threat
The ongoing epizootic of avian influenza due to A (H5N1) viruses, the growing count of associated human fatalities, and the fear that this may be the forerunner to a severe human pandemic have focussed new attention on the status, and in particular the shortcomings, of our current human influenza...
Review Article
Prevention and Control of Avian Influenza in Singapore
Avian influenza (AI) or “bird flu” is a highly infectious disease of birds. AI viruses are negative single-stranded enveloped RNA viruses that belong to the influenza A genus of the Orthomyxoviridae family.
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Review Article
Preparing for an Influenza Pandemic in Singapore
The last influenza pandemics occurred in 1957 and 1968. Few remember the pandemic in 1968 in Singapore as it was relatively mild.
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Review Article
Avian Influenza and Pandemic Influenza Preparedness in Hong Kong
In 1997, Hong Kong became reputed by identifying the first instance of human infection with avian influenza H5N1. A total of 18 cases occurred that year resulted in 6 deaths. The outbreak was completely terminated after the culling of over 1.5 million chickens.
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Review Article
Towards Mutual Trust, Transparency and Equity in Virus Sharing Mechanism: The Avian Influenza Case of Indonesia
Since July 2005 to December 2007, Indonesia has reported the highest number of influenza A (H5N1) human cases in the world, i.e., 116 cases with an extremely high fatality proportion of 81% . Those patients were reported from 12 out of 33 provinces (Fig. 1).
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Review Article
A Global Perspective on Avian Influenza
The world is confronted by many important public health challenges, some of which constitute potentially devastating global threats. Prime among these is the threat of a influenza pandemic.
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Review Article
Twentieth Century Influenza Pandemics in Singapore
Tropical countries such as Singapore, although without well-defined influenza seasons, are also affected by influenza epidemics and pandemics. Twenty per cent of Singapore’s population is clinically infected by seasonal influenza annually, and excess mortality over the past decade was about 14.8 per 100,000 person-years – comparable to temperate United...
Original Article
The Efficacy of Influenza Vaccination in Healthcare Workers in a Tropical Setting: A Prospective Investigator Blinded Observational Study
Influenza causes significant morbidity, mortality and economic impact in Singapore. According to a recent report, there are about 4.2 million cases of influenza-like illness (ILI) annually in Singapore, leading to 3.5 million doctor visits and 2.1 million days of documented medical leave.
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Original Article
A Cross-sectional Study of Primary-care Physicians in Singapore on Their Concerns and Preparedness for an Avian Influenza Outbreak
Outbreaks of avian influenza (AI) caused by the H5N1 subtype in several Asian countries have raised concern all over the world. AI is endemic in several parts of Asia. To date, there have been more than 200 human cases of AI virus infection, mainly as a result of poultry-to-human...
Original Article
Clinical and Epidemiological Features of Patients With Confirmed Avian Influenza Presenting to Sulianti Saroso Infectious Diseases Hospital, Indonesia, 2005-2007
The first human cases of H5N1 avian influenza (AI) virus infection were reported in Indonesia in July 2005. On 19 September 2005, the Ministry of Health of Indonesia confirmed an established outbreak of AI in humans in Indonesia.
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Editorial
To Kill a Mocking Bird Flu?
Why devote an entire issue of the Annals to pandemic influenza when there are so many other pressing health needs around us? With a potential mortality comparable to tuberculosis, malaria or HIV/AIDS but occurring within a much shorter timeframe, pandemic influenza remains a real possibility.
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Images in Medicine
Transfusion-dependent Microcytic Anaemia in a 10-year-old Girl
A 10-year-girl from Bangladesh presented with a moderately severe anaemia (lowest recorded haemoglobin level of 5.6 g/dL) and a mild jaundice (latest serum bilirubin, 31 μmol/L) 3 years ago (Figs. 1 and 2). Test for haemoglobin electrophoresis on agarose gel did not reveal any abnormal bands.
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Images in Medicine
Caudal Regression Syndrome
A white female with an uncomplicated history of birth delivery and a familial history of diabetes mellitus presented to the orthopaedic clinic at the age of 16 months old with bowel dysfunction, inability to walk, one kidney, and a gibbus noted at T12. A “frog-like” appearance was noted of...
Letter to the Editor
Renal Artery Embolism in a Patient with Vague Abdominal Pain
Thromboembolism is a well-known complication of mitral stenosis especially when it is associated with cardiac dysrhythmias. However, renal artery embolism is a disease that is easily missed due to its infrequent and non-specific presentations.
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Others
3rd College of Paediatrics and Child Health Lecture – The Past, the Present and the Shape of Things to Come…
In the post-war days of the 1950s, Singapore children were faced with problems of malnutrition and infectious diseases. There was poverty, overcrowded housing and lack of hygiene, and the social conditions were apparently appalling.
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Others
Clinical Characteristics of Renal Infarction in an Asian Population
Renal infarction is a rare disease. Domanovits et al reported an incidence rate of 0.007% (17/248,842) during a study period of 45 months.
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Original Article
Auricular Anthropometry of Newborns at the Singapore General Hospital
Abnormalities of the external ear are described in many syndromes and genetic conditions. Melnick et al reported an incidence of 1 in 90 births for external ear malformations and branchial sinuses and tags, with about 1 in 670 births having malformations of the pinna.
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Editorial
Singapore and the Tobacco Pandemic
The World Health Organization, in its 2008 Report on the Global Tobacco Epidemic, has framed the problem in almost apocalyptic terms, in stating that tobacco smoking is now the number one preventable cause of death globally. Smoking will kill up to 1 in 2 smokers and is a major...
Others
Treatment of Cardiogenic Pulmonary Oedema by Helmet-delivered Non-invasive Pressure Support Ventilation in Children With Scorpion Sting Envenomation
Scorpion stings represent an important and serious public health problem worldwide due to their high incidence and potentially severe and often fatal clinical manifestations, especially among children. The severity of the envenomation is related to haemodynamic and cardiorespiratory alterations, with cardiac failure and cardiogenic pulmonary oedema being the major...
Original Article
Screening Tools for Bacteraemia in a Selected Population of Febrile Children
Bacteraemia refers to the presence of bacteria in the bloodstream. The presence or absence of toxicity differentiates occult bacteraemia, which is relatively asymptomatic, from bacteraemia and sepsis, which is accompanied by findings of serious systemic illness.
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Original Article
Review of the Management Outcome of Slipped Capital Femoral Epiphysis and the Role of Prophylactic Contra-lateral Pinning Re-examined
Slipped capital femoral epiphysis is the commonest hip problem in the adolescent age group. The goals of treatment are aimed at avoiding the complications of osteonecrosis and chondrolysis, preventing further slips, and promoting physeal closure.
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Original Article
Concerns, Perceived Impact and Preparedness in an Avian Influenza Pandemic – a Comparative Study between Healthcare Workers in Primary and Tertiary Care
The danger posed by emerging infectious diseases has become greater in the past few years with the World Health Organization (WHO) warning that the threat of an avian influenza (AI) pandemic is imminent. Healthcare institutions are expected to be key players during a pandemic, with healthcare workers (HCWs) at...
Original Article
Public Perceptions of Healthcare in Singapore
Healthcare is increasingly dominating the policy agenda in developed countries. In the United States, healthcare has been ranked only behind the war in Iraq as the issue the American public would “most like the president and Congress to act on next year”, while 19% of Canadians deemed healthcare the...
Letter to the Editor
Laboratory-acquired Brucellosis
Brucellosis is a serious disease seen worldwide and has been historically known as undulant fever, Bang’s disease, Gibraltar fever, Mediterranean fever, and Malta fever. Brucellosis has a limited geographic distribution but remains a major problem in Mediterranean and Middle Eastern countries.
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Letter to the Editor
The Utility of Liver Function Tests in Dengue
Dengue infection is endemic in many countries along the tropical and subtropical belt, with more than 100 million cases and 24,000 deaths annually worldwide. Hepatic dysfunction is common in dengue infection, and is attributed to a direct viral effect on liver cells or as a consequence of dysregulated host...
Editorial
Treatment Gets Better, but Leprosy Remains a Global Problem
Rising standards of living and the provision of effective medical treatment have resulted in good control of leprosy in many parts of the world, but WHO-led efforts for the global elimination of leprosy by 2000 did not succeed. In several countries, however, ambitious and ill-advised attempts to meet the...
Original Article
Public Misperceptions About Transmission of Hepatitis B Virus in Singapore
Chronic hepatitis B (CHB) is an important global health problem, with more than 350 million individuals affected worldwide. CHB is particularly important in Asia, as 4% to 10% of the total population are affected, and approximately 75% of patients with CHB worldwide reside in Asia.1,2 During the course of...
Others
A History of the Chapter of Public Health and Occupational Physicians
The history of the Chapter of Public Health and Occupational Physicians began with the founding of the Academy of Medicine in 1957. It was the first professional corporate body of medical and dental specialists in Singapore.
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Commentary
Pharmacologic Treatment of SARS: Current Knowledge and Recommendations
Acute respiratory failure, which occurred in 20% to 25% of severe acute respiratory syndrome (SARS) patients and necessitated ICU admission, was the primary cause of morbidity and mortality during the 2003 pandemic.1-5 Even with aggressive treatment in the ICU, about half of those who required mechanical ventilation died.5-7 SARS...
Images in Medicine
Paediatric perineal skin pit: More than skin deep?
A 2.5-year-old boy was referred to our clinic for abnormal genitalia and a febrile urinary tract infection (Escherichia coli >105 colony-forming units/mL). At birth, his parents were informed that he had a “bilobed scrotum and a deep perineal skin pit” that may pose hygiene and cosmetic issues. They had...
Others
A New Method for the Removal of Safety Pins Ingested by Children
Foreign body ingestion is a relatively common problem, with an estimated incidence of 120 per 1 million population, resulting in approximately 1500 deaths each year. Toddlers form the most vulnerable group. Swallowed objects may be true foreign bodies such as coins, plastic toys, bones, pins and disc batteries.1,2 The...
Original Article
Characteristics of unplanned hospitalisations among cancer patients in Singapore
Cancer is a pervasive global problem with growing healthcare utilisation and costs.1-3 This situation is similar in Singapore where cancer incidence is on the rise and accounts for nearly 30% of total population mortality.4,5 Singapore data suggests that cancer patients accounted for 13% of total healthcare costs in 2016,...
Editorial
The case for better hospitalisation selection in cancer patients
Public hospital occupancy rates and resource utilisation in Singapore are perennially high. In the last 2 years of the COVID-19 pandemic, there has been a significant strain on public healthcare systems to balance the demands of the pandemic and usual medical care.
There is little literature detailing emergency department (ED)...
Editorial
The Annals: Welcoming the future of Medicine
What started as a cluster of cases of pneumonia in Wuhan, the capital city of China’s Hubei Province, in December 2019, has since evolved into a pandemic with devastating consequences to health and livelihoods.1 Hardly a day passes without the term COVID-19, the disease caused by the severe acute...
Original Article
Factors Predictive of Outcome in Childhood Stroke in an Asian Population
Strokes in childhood are generally considered to be rare with an incidence of about 2.7 per 100 000 children per year.1 The aetiologies of stroke in children differ considerably from adults and multiple risk factors commonly co-exist. A large stroke registry in North America reported that a large proportion...
Letter to the Editor
Development of Ceftazidime Resistance in Burkhoderia pseudomallei in a Patient Experiencing Melioidosis with Mediastinal Lymphadenitis
Melioidosis caused by Burkholderia pseudomallei is endemic to Southeast Asia and Northern Australia. Melioidosis was nicknamed the “greater mimicker” because of its diverse clinical manifestations. We report a case of melioidosis manifested as mediastinal lymphadenitis and ceftazidime-susceptible B. pseudomallei bacteremia.
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Letter to the Editor
Recurrent Group B Streptococcal Septicemia in a Very Low Birth Weight Infant with Infective Endocarditis and Submandibular Cellulitis
Maternal Group B streptococcal colonisation can lead to neonatal pneumonia, meningitis or sepsis. Neonatal Group B Streptococcal (GBS) sepsis is common, but infective endocarditis is rare.
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Commentary
Human Rights as a Cornerstone of AIDS Prevention, Treatment and Public Health Measures
The International AIDS Conference (IAC) and the Singapore AIDS Conference (SAC) are biannual meetings held on even years. Both these meetings are occasions for discussion and sharing of updated information on epidemiology, biomedical advances, behavioural and social science, and to provide a platform for broadcasting results of research and...
Original Article
Changing Epidemiology of Enteric Fevers in Singapore
Typhoid and paratyphoid fever – collectively referred to as enteric fevers - are serious systemic infections caused by Salmonella enterica serovar Typhi (S. Typhi) and Salmonella enterica serovar Paratyphi (S. Paratyphi), respectively. Humans are the reservoir of infection and transmission occurs through food and water contaminated by acute cases...
Editorial
Expanding the Scope of Antiretroviral Therapy for HIV Infection
The 2010 Global Report on AIDS contains some welcome news: the number of annual AIDS-related deaths has continued to decrease from a peak of 2.1 million in 2004 to an estimated 1.8 million in 2009. This is mainly attributable to the huge expansion in access to anti-retroviral therapy (ART).
This...
Clinical Update
The Evolving Role of the Community Pharmacist in Chronic Disease Management – A Literature Review
Pharmacy has matured as a clinical profession and is presently well positioned to transform itself from a product and task oriented (dispensing) to a patient oriented profession (provision of care, advice and counselling). Every day, millions of people across the world visit community pharmacies for their healthcare needs for...
Original Article
Morbidity of Parainfluenza 3 Outbreak in Preterm Infants in a Neonatal Unit
Parainfluenza type 3 virus (PIV-3) is an important nosocomial pathogen. It closely mimics respiratory syncytial virus (RSV) in its clinical presentations, and in infants. It is the second commonest cause of pneumonia and bronchiolitis after RSV.
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Original Article
Pathological Video-Gaming among Singaporean Youth
Video-gaming and internet use are a part of the lives of children and adolescents today. Among countries that are highly wired with high speed internet access, Singapore had the second highest broadband penetration rate in 2008 next to South Korea in the world, with 88% of households having broadband...
Letter to the Editor
Reply from Author: Putting the Wedge under Pressure
We thank the authors for their interest in our study and their insightful comments. We agree that filling pressures such as the central venous pressure and pulmonary artery wedge pressures are inaccurate in predicting cardiac output or fluid responsiveness.
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Letter to the Editor
Putting the Wedge under Pressure
We would like to thank Dr Huck Chin Chew et al for sharing their findings and we are appreciative of their work, “Oesophageal Doppler Ultrasound in the Assessment of Haemodynamic Status of Patients Admitted to the Medical Intensive Care Unit with Septic Shock”. In their paper, Dr Chew and...
Original Article
Trends in Importation of Communicable Diseases into Singapore
Singapore is a city-state in Southeast Asia, with a total population in 2007 of 4,839,400, of which 3,642,700 (75.3%) are Singaporean residents. The remaining 25% constitute of immigrant workers on work permit, foreigners on employment pass, and student pass holders.
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Original Article
A Cross-Sectional Study on Reference Ranges of Normal Oral Temperatures Among Students in Singapore
Severe acute respiratory syndrome (SARS), an infection caused by the SARS Coronavirus (SARS-CoV), was imported into Singapore in late February 2003 by a local resident who came back to Singapore from a holiday in Hong Kong. The 2003 SARS outbreak in Singapore began on 1 March 2003 and the...
Original Article
Validity and Reliability of the Zarit Burden Interview in Assessing Caregiving Burden
Dementia is a growing public health issue in the Asia-Pacific region. The number of people with dementia in the Asia-Pacific region will increase from 13.7 million people in 2005 to 64.6 million people in 2050.
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Original Article
Multi-disease Health Screening in an Urban Low-income Setting: A Community-based Study
With the burden of chronic disease rising amongst rapidly urbanising Asian populations, active participation in health screening would allow for early detection and management of disease. However, participation in health screening can vary greatly within populations and is influenced significantly by sociodemographic and attitudinal factors.
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Letter to the Editor
An Unexpected Outcome following Radial Head Excision for Jeffrey Type II Fracture-Dislocation of the Proximal Radius in a Child
We present a case of a 10-year-old child who sustained a traumatic fracture-dislocation of his proximal radius and subsequently underwent surgical removal of the radial head. At 3 years of follow-up, he had regained full painless flexion and extension with loss of pronosupination.
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Letter to the Editor
Temporary Tattoo Associated Type IV Delayed Hypersensitivity Dermatitis in a Child – A Case Report and Call for Parental Caution in Singapore
A 5-year-old, previously healthy French Caucasian boy was seen at a Paediatric Emergency Department for a skin rash over his left forearm.
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Original Article
The Pedagogical Value of a Student-run Community-based Experiential Learning Project: The Yong Loo Lin School of Medicine Public Health Screening
Experiential learning brings medical students out of the comfort zone of learning in their classrooms to acquire and apply knowledge and skills in an immediate and relevant setting. By linking theory and practice, experiential education differs from the traditional education in that it actively engages students in experiences that...
Images in Medicine
A Case of Congenital Haemolytic Anaemia and Thrombocytopenia
A 20-month-old boy came from Bangladesh to Singapore for medical consultation. He presented with progressive pallor, easy bruising, intermittent dark-coloured urine, and failure to thrive since birth.
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Images in Medicine
An Exanthem with An Annular Pattern in a 2-year-old Girl
A 2-year-old Chinese girl was seen in clinic with an erythematous annular itchy rash which began on the thighs and had spread to the trunk and hands. The parent’s concern was the rash’s duration and association with 2 episodes of fever.
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Original Article
Clinical Features Differentiating Biliary Atresia from Other Causes of Neonatal Cholestasis
Causes of neonatal cholestasis (NC) are long and diverse but the responses of newborn liver, either physiological or anatomical, are limited. This is because the ability of a developing liver of responding in the face of a variety of insults are limited.
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Original Article
Epidemiology of Snakebites from A General Hospital in Singapore: A 5-year Retrospective Review (2004-2008)
Snakes are present even in an industrialised country like Singapore. A bite from a venomous snake can inflict much morbidity and occasionally, it can be fatal. In many countries with a large agricultural base, it poses a significant economic burden.
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Original Article
Comparison of Clinical Outcomes and Cost Between Surgical and Transcatheter Device Closure of Atrial Septal Defects in Singapore Children
Congenital heart defects (CHD), with an incidence of approximately 1 in 100 live births, are the most important and frequent congenital malformations. It can cause significant morbidity and mortality in children as well as adults.
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Original Article
Changing Seroprevalence of Hepatitis B Virus Markers of Adults in Singapore
In Singapore, epidemiological surveillance and research on hepatitis B virus (HBV) infection were initiated when acute viral hepatitis was made a notifiable disease under the Infectious Diseases Act in 1976. Based on the findings of epidemiological investigations of reported cases and the results of seroepidemiological studies, a national hepatitis...
Letter to the Editor
Bannayan Riley Ruvalcaba Syndrome
Bannayan-Riley-Ruvalcaba syndrome (BRRS) classically presents with macrocephaly, subcutaneous and visceral lipomata, haemangiomata, hamartomatous intestinal polyps and pigmented macules involving the genitalia. This autosomal dominant disorder is linked to germline mutations of the phosphatase and tensine homologue gene (PTEN), a tumour suppressor gene which has a significant role in the...
Original Article
Are New Resuscitation Guidelines Better? Experience of an Asian Metropolitan Hospital
Out-of-hospital cardiac arrest (OHCA) is a substantial public health burden that has poor prognosis. Patients who receive “good” and “high-quality” cardio-pulmonary resuscitation (CPR) have better outcomes.
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Original Article
Acceptability of Medical Students by Patients from Private and Public Family Practices and Specialist Outpatient Clinics
In recent decades, medical advances and economic pressures have shifted medical student training from hospital inpatient to ambulatory settings such as hospital outpatient and primary care clinics. Most studies have found that patients are agreeable to seeing medical students and value the opportunity to interact with them.
This article is...
Original Article
An Eight Year Review of Exercise-related Cardiac Arrests
Exercise-related cardiac arrest is uncommon, however it is devastating when it occurs in otherwise healthy adults. In young adults, vigorous physical exercise trigger cardiac arrest in those affected by silent congenital cardiovascular conditions. In older adults, sudden vigorous physical exercise increases the incidence of acute coronary events in those...
Original Article
Evaluation on the Effectiveness of the National Childhood Immunisation Programme in Singapore, 1982-2007
Singapore has a comprehensive National Childhood Immunisation Programme (NCIP) which first covered smallpox (1862), followed by diphtheria (1938), tuberculosis (TB) (1957), poliomyelitis (1958), pertussis and tetanus (1959) and measles and rubella (1976). In October 1985, hepatitis B vaccination was introduced into the programme for babies born to hepatitis B...
Original Article
Peripheral Arterial Disease in Community-based Patients with Diabetes in Singapore: Results from a Primary Healthcare Study
Peripheral arterial disease (PAD) is a significant complication of diabetes mellitus and accounts for the majority of amputations among these patients with diabetes. In addition, PAD is a manifestation of systemic atherosclerosis and is associated with increased risk of death and ischaemic events.
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Original Article
Epidemiological Characteristics of Cholera in Singapore, 1992-2007
Cholera is an acute diarrhoeal disease that usually presents as abrupt massive watery diarrhoea and vomiting. The causative organism is Vibrio cholerae which is divided into serogroups based on the somatic O antigen. Only O1 and O139 serogroups are known to cause epidemic and pandemic disease.
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Images in Medicine
Dyke-Davidoff-Masson Syndrome
An 8-year-old boy presented with uncontrolled seizures. He was born as the second child to non-consanguineous parents. He had significant perinatal asphyxia in the newborn period. He had developmental delay since infancy and was noticed to have right-sided tonic clonic seizures since the age of 3 years, which was...
Original Article
Influenza B Outbreak among Influenza-vaccinated Welfare Home Residents in Singapore
Influenza has a major impact on the health of residents of long-term residential care facilities (LTCF). Residents of LTCFs are especially vulnerable to influenza infections, due to the closed proximity that they live in. A number of influenza outbreaks involving residents in LTCFs have been reported in the medical...
Original Article
Knowledge, Attitudes and Practices of the Advance Medical Directive in a Residential Estate in Singapore
The Advance Medical Directive (AMD) Act was passed in Parliament in May 1996. The AMD is a legal document that an individual can sign in advance to inform his or her attending doctor that he or she does not want any extraordinary life-sustaining treatment to be used to prolong...
Editorial
Beyond Blood Safety
World Blood Donor Day takes place on 14 June each year. Established in 2005 by the World Health Assembly, it aims to raise global awareness of the need for safe blood and blood products for transfusion and of the critical contribution made by voluntary unpaid blood donors to national...
Review Article
Childhood Food Allergy: A Singaporean Perspective
Food allergy is defined as reaction to a food which has an immunologic mechanism. If immunoglobulin E (IgE) is involved in the reaction, the term IgE-mediated food allergy is appropriate.
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Original Article
Transcatheter Closure of Atrial Septal Defects – Is Balloon Sizing Still Necessary?
Device closure of atrial septal defects through the transcatheter approach has now been well accepted as an option to surgical treatment. A range of devices has been developed for use over the years, with significant advances achieved in terms of profile and safety.
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Original Article
A 5-year Profile of Trauma Admissions to the Surgical Intensive Care Unit of a Tertiary Hospital in Singapore
Our tertiary hospital has a 9-bed Surgical Intensive Care Unit (SICU) that caters to all surgical disciplines except Cardio-Thoracic and Vascular Surgery (which has its own dedicated Cardio-Thoracic Intensive Care Unit).
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Others
Afterword
My first involvement with pandemic influenza preparedness planning began in January 2004, when I attended an urgent meeting organised by the Ministry of Public Health in Thailand in response to infections caused by the influenza A (H5N1) avian virus. A number of countries together with the World Health Organization...
Letter to the Editor
Use of Healthcare Worker Sickness Absenteeism Surveillance as a Potential Early Warning System for Influenza Epidemics in Acute Care Hospitals
The global spread of emerging infectious diseases can strain resources and result in healthcare staff absenteeism, as was the case during the severe acute respiratory syndrome (SARS) outbreak in Singapore in 2003. The recent emergence of a novel influenza A (H1N1-2009) pandemic has again reminded us of the potential...
Letter to the Editor
Streptococcus pneumoniae Bacteraemia in a Young Man with Pandemic Influenza A (H1N1) 2009
The contributory role of bacterial infection to severe influenza illness during a pandemic is not entirely clear. The post-mortem samples of those who died between 1918 and 1919, the pre-antibiotic era, exhibited severe changes indicative of bacterial pneumonia; these are less well substantiated in the subsequent 2 pandemics in...
Commentary
Surveys of Knowledge, Attitudes and Practices on the Influenza A (H1N1) Pandemic
Statistical surveys are in general an efficient and flexible means of collecting a wide range of information from large numbers of respondents. These are now the method of choice to study knowledge, attitudes, values and beliefs.
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Commentary
2009 Pandemic Influenza H1N1: Paediatric Perspectives
The pandemic H1N1 influenza virus, containing genes from avian, human and swine influenza viruses, emerged in North America, and caused illness in more than 190 countries and resulted in more than 4500 deaths worldwide. According to Taiwan Centres for Disease Control (Taiwan CDC) data, among 2,089 typed influenza isolates...
Others
Severe Infection with H1N1 Requiring Intensive Care – Lessons for Preparedness Programmes
Severe cases of influenza have traditionally generated much interest. The pandemic of 1957 provided instructive materials on the subject, with publications on the pulmonary complications and histopathologic features.
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Others
International Health Regulations: Lessons From the Influenza Pandemic in Singapore
By virtue of the International Health Regulations (IHR) which came into force on 15 June 2007, countries are required to report specific infectious diseases and public health events to the World Health Organization (WHO). The first novel Influenza A (H1N1) patient in the US was confirmed by laboratory testing...
Review Article
Influenza A (H1N1-2009) Pandemic in Singapore – Public Health Control Measures Implemented and Lessons Learnt
The novel influenza A(H1N1) outbreak was officially declared a pandemic by the World Health Organization (WHO) on 11 June 2009. We describe the public health control measures instituted in Singapore to limit the spread of H1N1-2009 and mitigate its effects on our society.
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Original Article
Survey of Healthcare Workers’ Attitudes, Beliefs and Willingness to Receive the 2009 Pandemic Influenza A (H1N1) Vaccine and the Impact of Educational Campaigns
Since the first positive 2009 pandemic influenza A (H1N1) case was reported in Singapore on 26 May 2009, the country saw an exponential rise in numbers of infected cases despite initial containment followed by mitigation efforts. Local incidence for acute upper respiratory infections (which was a reasonable surrogate for...
Original Article
Attitudes of Patients, Visitors and Healthcare Workers at a Tertiary Hospital Towards Influenza A (H1N1) Response Measures
Following the announcement by the World Health Organization (WHO) that outbreaks of a novel influenza virus had occurred in Mexico and several parts of the United States of America,1 the Emergency Preparedness Teams of the Singapore General Hospital and its sister institutions on the Outram Campus were activated. Measures...
Original Article
Outbreak of Novel Influenza A (H1N1-2009) Linked to a Dance Club
Influenza A (H1N1-2009) is a novel strain of influenza virus. The infection is thought to have first occurred in Mexico in March 2009, and then spread worldwide, resulting in the first influenza pandemic of the 21st century.
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Original Article
Obstetric Outcomes of Influenza A H1N1 (2009) Infection in Pregnancy – Experience of a Singapore Tertiary Hospital
Influenza A H1N1 (2009) is a new viral strain containing gene segments from human, swine and avian lineages. Soon after reports of human cases of the infection in April 2009, the World Health Organization declared the situation a public health emergency of international concern.
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Original Article
Tracking the Emergence of Pandemic Influenza A/H1N1/2009 and its Interaction with Seasonal Influenza Viruses in Singapore
The global preparedness that followed the severe acute respiratory syndrome (SARS) outbreaks of 2003 and the re-emergence of a potentially pandemic avian influenza A/ H5N1, was still found to be inadequate to deal with the rapid spread of pandemic influenza A/H1N1/2009 as it emerged from the Americas in March/April...
Original Article
An Epidemiological Study of 1348 Cases of Pandemic H1N1 Influenza Admitted to Singapore Hospitals from July to September 2009
On 17 April 2009, the US Centers for Disease Control (CDC) determined that febrile respiratory illness occurring in 2 children residing in adjacent counties in southern California was caused by a novel influenza A (H1N1) virus. The virus is thought to be a re-assortment of 4 known strains of...
Original Article
Outbreak of Pandemic Influenza A (H1N1-2009) in Singapore, May to September 2009
The first cases of infection with a novel influenza A (H1N1) strain were reported in 6 cases in California and 2 cases in Texas in the United States in late April 2009. This was linked to outbreaks of influenza in Mexico, which included reports of large numbers of cases...
Original Article
Pandemic (H1N1) 2009: Clinical and Laboratory Findings of the First Fifty Cases in Singapore
Just over a year ago, the swine-origin influenza A (H1N1) virus emerged in Veracruz, Mexico, and rapidly alarmed public health and influenza experts by the rapidity of its spread as well as by its novel genomic structure. The latter consisted of a triple re-assortment of swine, avian and human...
Editorial
The Influenza A (H1N1) 2009 Pandemic in Singapore
Just over a year ago, the swine-origin influenza A (H1N1) virus emerged in Veracruz, Mexico, and rapidly alarmed public health and influenza experts by the rapidity of its spread as well as by its novel genomic structure. The latter consisted of a triple re-assortment of swine, avian and human...
Commentary
Tuberculosis – An Under-appreciated Disease
Tuberculosis (TB, as usually abbreviated) is a major cause of morbidity and mortality in many countries, and a significant public health problem worldwide. The World Health Organization (WHO) estimates that there are about 8.8 million new cases of TB and 1.6 million deaths from TB every year.
This article is...
Review Article
Research on Psychoneuroimmunology: Does Stress Influence Immunity and Cause Coronary Artery Disease?
In recent decades, there has been increasing interest in exploring the relationship between psychological stress and various health conditions. An enlarging body of evidence suggests the presence of interactions between the immune system, the central nervous system (CNS) and the endocrine system, where these systems can be influenced by...
Original Article
Trends in Long-term Cancer Survival in Singapore: 1968-2002
With increasing health awareness and the greater extent of healthcare provision over the years, the life expectancy of Singaporeans has increased from 75.3 in 1990 to 78.4 in 2001. This suggests that cancer patients are surviving longer than before, due to an increasing number of delayed cancer deaths. Hence,...
Letter to the Editor
Reply from Author: Is It Time to Revise the Definition of Attention Deficit Hyperactivity Disorder?
We would like to thank the author for suggesting that the definition of ADHD should be revised. This is an important consideration in the light of some of the points raised such as frequent comorbidities that occur with ADHD as is the case of Autistic disorder and other conditions...
Letter to the Editor
Is It Time to Revise the Definition of Attention Deficit Hyperactivity Disorder?
I read with interest the article published in the Annals entitled “Attention Deficit Hyperactivity Disorder: Coping or Curing?”, which concluded that coping rather than curing for attention deficit hyperactivity disorder (ADHD) is taking place. There are some evidence-based points that should be noted.
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Others
Knowledge and Practice of Household Mosquito Breeding Control Measures between a Dengue Hotspot and Non-Hotspot in Singapore
Dengue is the most common mosquito-borne viral disease in the world and its severity is reflected by a 30-fold increase over the last 50 years. Today, 2.5 billion people over 100 endemic countries remain susceptible to this disease with an estimated annual incidence of 50 million leading to 22,000...
Original Article
Dedicated Cytogenetics Factor is Critical for Improving Karyotyping Results for Childhood Leukaemias – Experience in the National University Hospital, Singapore 1989-2006
Acute lymphoblastic leukaemia (ALL) and acute myeloid leukaemia (AML) make up the bulk of childhood leukaemia cases. With risk stratified therapy being one of the cornerstones of the treatment of childhood leukaemia, it is important to determine the prognostic factors on which risk stratified therapy depends.
This article is available...
Original Article
Epidemiological Surveillance and Control of Rubella in Singapore, 1991-2007
Rubella is a mild febrile viral exanthematous disease transmitted through droplets or direct contact with the nasopharyngeal secretion of an infected person. It is of public health importance because of the teratogenic effects of the virus on the developing fetus.
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Original Article
Emerging Trends in Breastfeeding Practices in Singaporean Chinese Women: Findings from a Population-based Study
The health benefits of breast milk have been well documented, with positive implications for infants’ metabolic, immunologic, respiratory and digestive health. The World Health Organization (WHO) and the American Academy of Pediatrics recommend exclusive breastfeeding for 6 months and partial breastfeeding thereafter for at least 12 or 24 months....
Images in Medicine
A Missed Bilateral Choanal Atresia
What do you see in the image?
a) Deviated posterior nasal septum
b) Nasopharyngeal tumour
c) Rhinolith with mucous plug
d) Bilateral choanal atresia
e) Nasal pyriform aperture stenosis
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Original Article
Health-related Quality of Life in Children with Cancer Undergoing Treatment: A First Look at the Singapore Experience
Health-related quality of life (HRQOL) has been progressively acknowledged as an essential health outcome measure in clinical trials and health services research and evaluation. HRQOL, compared to QOL, is a more defined conceptual term which encompasses only health-related aspects of life directly amenable to healthcare services and medical products.
This...
Editorial
Challenges Facing the Control of Leprosy in the Indian Context
Leprosy is a chronic infectious disease caused by Mycobacterium leprae and mainly affects the skin, peripheral nerves, the eyes and the mucosa of the upper respiratory tract. There has been a decline in the global annual new case detection rate (NCDR) for leprosy since 2001.
This article is available only...
Original Article
Normative Data for Quantitative Calcaneal Ultrasound in Asian Children
Dual energy X-ray absorptiometry (DEXA) is currently the gold standard for the assessment of bone mineral density (BMD). It is the commonest tool used to predict fracture risk in patients at risk of osteoporosis. The limitation of DEXA is that it only measures bone density in two dimensions, and...
Review Article
The Ethics of Responding to a Novel Pandemic
“A man without ethics is a wild beast loosed upon this world.”
-Albert Camus (1957 Nobel Prize for Literature)
As the microscopic ‘wild beasts’ of infectious diseases are loosed upon this world with an ever increasing frequency in recent years, there is a corresponding need for us to come up with...
Letter to the Editor
Plasma IP-10 could identify early lung disease in severe COVID-19 patients
Dear Editor,
The global pandemic of SARS-Coronavirus-2 (SARS-CoV-2) infection has imposed tremendous strain on healthcare resources worldwide, as a significant proportion of patients require intensive care. Although the majority have mild infections, up to 20% are estimated to become critically ill from severe disease.1 Age, concurrent comorbidities, more severe...
Editorial
Sleep, Public Health and Wellness: The Elephant in the Room
The rising cost of health care and the burden of chronic illness are perennial concerns. Remarkably, there exists a measure that around 30% of city dwellers can implement
to reduce their risk of accidents, coronary artery disease, diabetes, cancer and all-cause mortality while improving their cognitive performance. Unlike costly supplements...
Images in Medicine
An Interesting Finding in a Patient with Chronic Diarrhoea
A 25-year-old man presented with intermittent selflimiting episodes of diarrhoea for 5 months. At times, he opened his bowel 8 times a day with small stool volume. His stool consistency ranged from soft to watery. Apart from a weight loss of 3 kg, no other constitutional or extraintestinal symptoms...
Original Article
Adverse reactions and safety profile of the mRNA COVID-19 vaccines among Asian military personnel
The COVID-19 pandemic has led to significant changes in the way of life for many around the world.1,2 After more than a year, many countries continue to struggle with rising infection rates, and economic and social impact of the pandemic.3-5 COVID-19 vaccines have become available since the end of...
Original Article
Factors reducing inappropriate attendances to emergency departments before and during the COVID-19 pandemic: A multicentre study
Since the first case of coronavirus disease 2019 (COVID-19) was reported in China in late December 2019, the pandemic has spread throughout the world, with the World Health Organization (WHO) reporting over 206 million cases and over 4 million deaths globally as of 15 August 2021.1 To contain the...
Original Article
Healthcare cost of patients with multiple chronic diseases in Singapore public primary care setting
The rising occurrence of individuals suffering from multiple chronic diseases, namely multimorbidity, is of public health concern globally.1 The current prevalence of multimorbidity in Singapore ranges from 26 to 89% by various studies depending on the definition used and the population studied.2-5 With Singapore’s fast ageing population, where 1...
Editorial
Prevention and management of multimorbidity to ensure healthcare sustainability
Singapore has a healthcare system that is distinguished by its ability to achieve top health outcomes at very low healthcare expenditures.1 Yet one of the Ministry of Health’s (MOH) foremost policy concerns is the sustainability of the healthcare system in the face of a rapidly ageing society. With an...