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The potential of RNA therapeutics in dermatology

Ribonucleic acid (RNA) therapeutics involving, among others, microRNAs (miRNAs), small interfering RNAs (siRNAs) and/or antisense oligonucleotides (ASOs) hold great potential for the advancement of...

Frailty-aware surgical care: Validation of Hospital Frailty Risk Score (HFRS) in older surgical patients

Frailty is a clinically recognisable state of vulnerability in older people, resulting from age-associated decline in physiological reserves and function across multiple organ systems,...

Board of Reviewers 2023

Our sincere thanks to the following peer reviewers who completed and returned their reviews between 1 January 2023 and 31 December 2023. Your expertise...

Redefining seropositive rheumatoid arthritis: Clinical implications of anti-carbamylated protein on remission, radiographic damage and quality of life

Dear Editor, Rheumatoid arthritis (RA) is a chronic disabling disease where continued disease activity translates to irreversible articular damage. Seropositivity for rheumatoid factor (RF) and...

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...

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...

Normative data for baseline and longitudinal neuropsychological assessments in Singapore

Dear Editor, Neuropsychological assessments play a vital role in the early detection of cognitive disorders. However, the lack of Singapore-specific norms has resulted in a...

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...

Oocytes on ice: Exploring the advancements in elective egg freezing for women

Elective egg freezing (EEF), otherwise known as oocyte cryopreservation for age-related fertility loss, has become a viable option for single women to preserve their...

Strategies to prevent cardiovascular disease in Singapore: A call to action from Singapore Heart Foundation, Singapore Cardiac Society and Chapter of Cardiologists of the Academy of Medicine, Singapore

Despite the success of Singapore’s public health systems in providing medical care through the country, there is still much to be achieved in terms...

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...

Anti-osteoporosis drugs reduce mortality in cancer patients: A national cohort study of elderly with vertebral fractures

Osteoporotic vertebral fractures (OVFs) are the most prevalent type of fragility fractures, affecting 25% of adults in their early 70s and 43% of those...

Freezing hope: Balancing realism and optimism in elective egg freezing

The 2022 White Paper on Singapore Women’s Development, which aimed at a fair and inclusive society where both women and men can pursue their...

Anti-osteoporosis drugs and reduction of mortality in cancer patients

Osteoporosis and cancer share a complex relationship, with each condition influencing the progression and outcomes of the other.1 Multiple factors, such as chemo- and...

Knowledge, attitudes and practices of doctors on constipation management in Singapore

Dear Editor, Constipation is a common gastrointestinal disorder, affecting about 15% of the global population and severely impacting patients’ quality of life.1 The global constipation...

Four cases of HIV infection in men taking pre-exposure prophylaxis in Singapore

Dear Editor, Pre-exposure prophylaxis (PrEP) with co-formulated tenofovir disoproxil fumarate (TDF) and emtricitabine (FTC) is an effective prevention strategy against sexual transmission of human immunodeficiency...

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...

Artificial intelligence in medicine: Ethical, social and legal perspectives

“Our future is a race between the growing power of our technology and the wisdom with which we use it. Let's make sure that...

A systematic review and meta-analysis on the effect of goal-directed fluid therapy on postoperative outcomes in renal transplantation surgeries

Renal transplantation is the superior treatment for chronic kidney disease patients, providing better survival outcomes and quality of life compared with other renal replacement...

Polycystic ovary syndrome v.2023: Simplified diagnostic criteria for an East Asian phenotype

Polycystic ovary syndrome (PCOS) is a common endocrine condition affecting 6–19% of women of reproductive age, depending on the reference population and definition used.1,2...

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...

Understanding the use of evidence-based medical therapy in patients with peripheral artery disease: A qualitative study using TCID Framework

The global burden of peripheral artery disease (PAD) has been increasing, with 237 million adults living with PAD worldwide in 2015,1 rising from 202...

Enhancing the accuracy of polycystic ovary syndrome diagnosis

Polycystic ovary syndrome (PCOS) is the most common endocrine disorder, experienced by 1 in 10 women of childbearing age. Its aetiology is multifactorial and...

Vascular surgeons and best medical therapy: Missed opportunities?

Multiple guidelines recommend the use of best medical therapy (BMT) as secondary prevention for patients with peripheral arterial disease (PAD) but prescription and adherence...

Outcomes of a targeted congenital cytomegalovirus infection screening approach among infants born ≥35 weeks gestation

Dear Editor, Cytomegalovirus (CMV) is a common cause of congenital viral infection. The estimated incidence of congenital CMV (CCMV) is about 1–6% worldwide, although reliable...

The practice patterns and perceptions of surgeons in Singapore regarding breast-conserving surgery

Dear Editor, Breast-conserving surgery (BCS) is often the preferred treatment in operable breast cancer.1 While tumour biology and systemic therapy are major determinants of disease...

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....

Improving visual outcomes in patients with rare paediatric eye diseases

Rare diseases are generally understood as those that affect less than 1 in 2000–2500 people in the general population.1 They are defined to affect...

AL amyloidosis: Singapore Myeloma Study Group consensus guidelines on diagnosis, treatment and management

Amyloidosis refers to disorders characterised by the deposition of insoluble amyloid fibrils, which are pathogenic,1 resulting in organ dysfunction. Amyloidoses differ in the protein...

Clinical utility of PET/MRI in multiple myeloma

Multiple myeloma (MM) is a haematological malignancy characterised by abnormal accumulation of malignant plasma cells and is associated with anaemia, renal impairment, hypercalcemia and...

Real-world data on the use of emicizumab in patients with haemophilia A with and without inhibitors in Singapore

Haemophilia A is an X-linked hereditary bleeding disorder caused by pathogenic genetic variants, which results in a deficiency of factor VIII (FVIII).1 The mainstay...

Risk of dementia in the elderly with non-alcoholic fatty liver disease: A nested case-control study in the Republic of Korea

Non-alcoholic fatty liver disease (NAFLD) is the most common chronic liver disease affecting about 25% of the general population.1,2 NAFLD has a broad disease...

Burden of antibiotic resistance in infections among very-low-birthweight infants in Singapore

Recent reports have described an increased predominance of Gram-negative organisms (Escherichia coli, Klebsiella species ) among invasive bacterial infections in early- and late-onset neonatal...

Improving management of AL amyloidosis

In this issue of the Annals, Tan et al. on behalf of Singapore Myeloma Study Group presented the consensus guidelines on light chain (AL)...

Paradigm shifts in haemophilia A therapy with emicizumab prophylaxis in Asia

Over the past decade, the development of emicizumab, the first-in-class factor VIII (FVIII)-mimetic monoclonal antibody bispecific to activated factor IX and factor X, has...

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...

Treatment outcomes of micropulse cyclophototherapy in uveitic glaucoma

Dear Editor, We present a case series, describing the utility of micropulse cyclophototherapy in the treatment of uveitic glaucoma. Prevalence of glaucoma in patients suffering from...

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...

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...

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...

Thiazide and thiazide-like diuretics associated with improved cardiovascular and renal outcomes for chronic kidney disease patients

Chronic kidney disease (CKD) is an increasingly pressing global health issue due to its strong link to serious complications such as end stage renal...

Association of quality-of-care indicators with asthma outcomes: A retrospective observational study for asthma care in Singapore

Asthma, a chronic inflammatory disorder of the airways,1 is a common respiratory condition, with an estimated 262 million people affected worldwide.2 In Singapore, 5%...

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...

Thiazide diuretics in chronic kidney disease: Is there still a role?

“The young physician starts life with 20 drugs for each disease, and the old physician ends life with one drug for 20 diseases.” —...

Real-world data to measure and improve quality of asthma care

In this issue of the Annals, the paper “Association of quality-of-care indicators with asthma outcomes: An observational study for asthma care in Singapore” by...

Outcomes of patients admitted for drowning

Dear Editor, According to the latest Utstein-style consensus, drowning is defined as the primary respiratory impairment resulting from submersion or immersion in a liquid medium.1...

A case series of higher-order multifetal pregnancies managed at a tertiary maternity unit

Dear Editor, Delayed childbearing and increased use of assisted reproduction technology (ART) have resulted in a dramatic rise in the incidence of multifetal pregnancies. In...

Impact of an ageing population on the intensive care unit

Dear Editor, Intensive care unit (ICU) resources are scarce and expensive, and deciding if intensive care is suitable for older patients involves complex clinical reasoning,...

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...

Consensus statement on Singapore perinatal mental health guidelines on depression and anxiety

Perinatal mental health conditions have been recognised as a key area of focus by the World Health Organization, with the new guide published in...

Development and validation of a new self-assessment tool to measure professionalism among medical students

Professionalism is a concept that is difficult to define, but in relation to medical practice, it can be summarised as values, behaviours and conduct...

Preoperative shock index in major abdominal emergency surgery

Major abdominal emergency surgery (MAES) is a complex and high-risk procedure with a significantly greater risk of complications and mortality as compared to elective...

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...

Nurturing professional behaviours and ethical practice: From students to professionals

Medical professionalism refers to the set of values, behaviours, and ethical principles that guide the conduct of medical professionals in their interactions with patients,...

Shock index: Easy to use, but can it predict outcomes following major abdominal emergency surgery?

Major abdominal emergency surgery (MAES) is commonly performed for various potentially life-threatening intra-abdominal surgical conditions with high perioperative mortality of up to 45%.1 Certain...

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...

Outcomes of nurse-led cryotherapy treatment for viral warts

Dear Editor,  Cryotherapy is a cost-effective treatment that can be performed by non-dermatologists for viral warts, which are very common.1,2 The National University Hospital, Singapore...

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...

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...

Poorer outcomes following COVID-19 infection for patients with depression: A cohort analysis in South Korea

In the early days of the pandemic, a major public health focus was to slow the spread of COVID-19. Therefore, the emphasis was on...

Plasma selenium and zinc alter associations between nephrotoxic metals and chronic kidney disease: Results from NHANES database 2011–2018

Chronic kidney disease (CKD) is a clinical condition comprising persistent changes in kidney function or structure, or both. It is characterised by irreversible and...

Association of anticoagulation use during continuous kidney replacement therapy and 90-day outcomes: A multicentre study

Acute kidney injury (AKI) affects 21.6% of critically ill adult patients,1 with 5–7% requiring kidney replacement therapy (KRT).2 AKI carries significant prognostic and socioeconomic...

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...

Micronutrients and kidney health

Chronic kidney disease (CKD) is a structural and functional disorder of the kidney caused by many diseases, such as diabetes, hypertension and glomerular disease.1...

Script concordance test to assess diagnostic and management reasoning in acute medicine

Dear Editor,  Clinical reasoning, an essential skill for patient care, can be difficult to assess. We created and validated a script concordance test (SCT) to...

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...

Systemic methotrexate in the management of ectopic pregnancy and pregnancy of unknown location

Dear Editor,  Ectopic pregnancy (EP) occurs in 2% of all spontaneous conceptions. It can be a life-threatening condition and is the most common cause of...

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...

Molecular testing in non-small cell lung cancer: A consensus recommendation

Lung cancer is a leading cause of cancer mortality worldwide, with an estimated 2.21 million new cases and 1.80 million deaths in 2020.1 In...

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...

Effects of sex on clinical outcomes of hypertrophic cardiomyopathy in Singapore

Hypertrophic cardiomyopathy (HCM) is a common inherited cardiomyopathy.1 The phenotypic expression of HCM is highly diversified with varying extents of myocardial hypertrophy, which can...

Association between genetic polymorphisms in fibrinogen genes and bleeding risk in patients treated with direct oral anticoagulants

Direct oral anticoagulants (DOACs) are widely prescribed for the prevention and treatment of stroke, systemic embolism and venous thromboembolism.1 Their mechanism of action involves...

Promise and pitfalls of ChatGPT for patient education on coronary angiogram

The past decade has seen extraordinary and rapid progress in the field of artificial intelligence (AI), which produces computer systems capable of performing tasks...

Incorporating assessment of fibrinogen gene polymorphisms and bleeding risk in patients treated with direct oral anticoagulants

Direct oral anticoagulants (DOACs) have become entrenched as the dominant anticoagulant over the last decade for patients with venous thrombosis and atrial fibrillation.1 Compared...

Streamlining multidisciplinary care in sarcoma management

Dear Editor, Sarcomas are rare and heterogenous tumours that constitute fewer than 1% of adult solid cancers.1 Owing to their aggressive behaviour, relative rarity...

A perfect match: The story of robotics in gynaecology

Dear Editor, The first use of surgical robotics started in the domain of orthopaedic and urological surgery. However, it was the initial concept of using...

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%...

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...

Minimal monitoring is a safe but underutilised strategy for hepatitis C virus treatment in Singapore

Dear Editor, Chronic hepatitis C virus (HCV) infection is estimated to affect 57 million people globally.1 Despite the availability of safe and effective pan-genotypic direct...

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...

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...

Restaging of rectal cancer with hybrid positron emission tomography magnetic resonance imaging after preoperative chemoradiotherapy

Neoadjuvant chemoradiotherapy (CRT) followed by surgery is the current standard of care for locally advanced rectal cancers. Randomised trials have shown that a neoadjuvant...

Comparison of existing methods of low-density lipoprotein cholesterol estimation in patients with type 2 diabetes mellitus

Elevated low-density lipoprotein cholesterol (LDL-C) levels are a major risk factor for the development of atherosclerotic cardiovascular disease (ASCVD). A reduction in LDL-C levels...

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,...

Investigating the stressors and coping mechanisms of students in medical school: A qualitative study

Dear Editor, Medical school can be a stressful experience for students, with burnout being increasingly common.1 Stressors in medical education include a heavy academic workload,...

Eosinophilic esophagitis and immunoglobulin E-mediated food allergy

Dear Editor, Food allergy (FA) is an adverse reaction to a specific food antigen—normally harmless to the healthy population—which is mediated by immunological mechanisms and...

Poor survival rate of pregnancy-associated breast cancer in Asian countries

Dear Editor, Asia has a lower incidence of breast cancer than North America, Oceania, and Western Europe. However, breast cancer rates have been rising fast...

Healthcare worker job burnout, anxiety and depression: A one-year comparison during COVID-19 in Singapore

Dear Editor, The mental health of our healthcare workforce has never been as scrutinised as it has the last three years since the COVID-19 pandemic....

Clinical efficacy of primary human papillomavirus (HPV) screening with partial genotyping for HPV-16 and HPV-18 subtypes in women from 25 years old

The World Health Organization has launched a campaign to eliminate cervical cancer on the basis of effective vaccines against oncogenic human papillomavirus (HPV) subtypes,...

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...

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...

Comparison of four electrocardiographic criteria for the detection of cardiac abnormalities in Singapore athletes

Sudden cardiac death in athletes during exercise is rare, with an estimated incidence of 1–2 per 100,000 people per year in young athletes,1 and...

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...

Improving electrocardiogram interpretation in Asian athletes: A call to action

The field of sports cardiology has evolved substantially over the past 2 decades due to improved understanding of the athlete’s heart, causes of sudden...

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...

Outcomes of selexipag for treatment of pulmonary arterial hypertension in an Asian population

Dear Editor, Pulmonary arterial hypertension (PAH) is a progressive condition characterised by increased pulmonary arterial pressure and pulmonary vascular resistance, resulting in right ventricular dysfunction...

Suboptimal adherence to medical therapy in patients undergoing lower limb angioplasty in Singapore

Dear Editor, Chronic limb-threatening ischaemia (CLTI) is the advanced stage of peripheral arterial disease (PAD) and patients with this condition face a very high risk...

Real-world challenges when facilitating terminal discharge in Singapore

Dear Editor, During the Ministry of Health workplan seminar held on 2 June 2022, Minister Ong Ye Kung expounded the notion of a good death...

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,...

Association between body mass index, body image and self-esteem with sexual function: A survey of young women in Singapore

Satisfaction with sexual activity is a good predictor of global life satisfaction.1 Problems with sexual function can lead to lower partner satisfaction and affect...

Transitional care strategies at emergency department for elderly patients: A multicentre study in Singapore

In Singapore, greater efforts are being directed towards developing an integrated health and social ecosystem under the new Healthier SG strategy announced by the...

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...

Self-esteem and positive body image to overcome female sexual dysfunction

Human sexuality is arguably one of the main pillars of health, like nutrition and sleep. Improvements in diagnostic and therapeutic biotechnologies have enabled focus...

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%)...

Middle-aged woman with painless neck swelling

A 57-year-old woman presented with a 2-month history of an asymptomatic left neck lump. She is a non-smoker, does not drink alcohol, and has...

Robotic surgery in morbidly obese women with endometrial cancer in Singapore

Dear Editor, The standard of care for endometrial cancer is a total hysterectomy with bilateral salpingo-oophorectomy, and pelvic lymph node dissection (THBSO-PLND). Obesity is a...

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...

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...

Re-examining the roles of generalists and specialists in healthcare

Singapore is one of many Asian countries facing the challenge of an ageing population. Its population grew from 1.65 million to 5.45 million from...

An approach to genetic testing in patients with metastatic castration-resistant prostate cancer in Singapore

Prostate cancer is the fifth most common cancer in Asian men, and with its rising incidence, is emerging as a health priority in Asia.1...

Association between lower phase angle and chronic kidney disease progression in type 2 diabetes patients

Chronic kidney disease (CKD) is a global public health problem with an estimated prevalence of 13.4%.1 One of the key drivers of the global...

Clinical outcomes and management of contrast hypersensitivity in patients requiring repeated computed tomography imaging

Allergic and non-allergic hypersensitivity reactions to iodinated contrast media (ICM) are increasingly recognised, particularly the latter where there is greater clarity on pathomechanisms.1 There...

Preventing recurrent hypersensitivity reactions to iodinated contrast media

Iodinated contrast media (ICM) is one of the most commonly used drugs in the practice of modern medicine. ICM, as the name implies, is...

Challenges with mainstreaming genetic testing for metastatic prostate cancer treatment in Singapore

Compared with other solid tumours, patients with metastatic prostate cancer typically have better survival in the range of years.1 The long survival translates to...

The role of PIVKA-II in hepatocellular carcinoma surveillance in an Asian population

Dear Editor, Alpha-fetoprotein (AFP) is the most established biomarker for surveillance of hepatocellular carcinoma (HCC) in at-risk individuals. However, its sensitivity and specificity are...

Reducing non-clinical working hours of junior doctors could benefit patient outcomes

Dear Editor, An 80-hour duty limit for residents was first introduced by the Accreditation Council for Graduate Medical Education (ACGME) in 2003, with the...

Safety and effectiveness of nitrous oxide procedural sedation in a paediatric emergency department

Dear Editor, Nitrous oxide (N2O) produces dissociative euphoria, amnesia and analgesia, and is a common sedative for procedural sedation in paediatric emergency departments (EDs) due...

Approach to bradyarrhythmias: A proposed algorithm

Bradyarrhythmias are common and occur in both physiological and pathological states. Bradycardia is defined as a heart rate of fewer than 60 beats per...

Through the eyes into the brain, using artificial intelligence

Neurological dysfunction is a leading cause of disability, affecting more than 276 million people worldwide.1 Over the last decades, the prevalence of neurological dysfunction...

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...

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...

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...

The eye as a window to the brain

Over the last 20 years, it has become evident that the age-old expression, “the eye is the window into the soul”, might in fact...

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...

Board of Reviewers 2022

Our sincere thanks to the following peer reviewers who completed and returned their reviews between 1 January 2022 and 31 December 2022. Your expertise...

Association between self-care and chronic kidney disease in patients with type 2 diabetes mellitus

Dear Editor, Chronic kidney disease (CKD) is one of the key complications occurring in 25–40% of patients with type 2 diabetes mellitus (T2DM).1 Our...

Surgical margins assessment reduces re-excision rates in breast-conserving surgery

Dear Editor, Breast-conserving surgery (BCS) followed by radiation therapy for breast cancer offers improved cosmetic results and comparable long-term survival rates as mastectomy.1 However,...

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...

Case studies of fetal mosaicisms detected by non-invasive prenatal testing

Dear Editor, The American College of Medical Genetics and Genomics recommended that all pregnant women be offered non-invasive prenatal testing (NIPT) regardless of the patient’s...

Ablation therapies for paroxysmal atrial fibrillation: A systematic review and patient-level network meta-analysis

Atrial fibrillation (AF) is a pertinent health condition that is seeing a sustained rise in global incidence and prevalence.1 In particular, paroxysmal AF (PAF),...

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...

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...

Catheter ablation as first-line treatment for paroxysmal atrial fibrillation

Pharmacotherapy has been the mainstay of atrial fibrillation (AF) treatment. As AF progresses from paroxysmal to persistent, electrical and structural remodelling of the atria...

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...

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...

Lichen planus pemphigoides after pembrolizumab immunotherapy in an older man

An 84-year-old Chinese man with stage IV non-small cell lung cancer was initiated on pembrolizumab, an anti-programmed cell death (PD)-1 monoclonal antibody, 4 times...

Diagnostic accuracy of multiparametric MRI in endometrial cancer and its adjunctive value in identifying high-risk women requiring surgical staging

Dear Editor, Endometrial cancer is the most common gynaecological cancer in developed countries, with a five-year survival rate of 81%.1,2 Prognostic factors include the International...

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...

Tozinameran (Pfizer-BioNTech COVID-19 vaccine)-induced AGEP-DRESS syndrome

Dear Editor, A 40-year-old woman with scalp psoriasis was maintained on topical mometasone furoate therapy from 2019 with no major psoriatic flares until she presented...

Multidisciplinary lung cancer clinic: An emerging model of care

Dear Editor, Lung cancer management is progressively complex and multidisciplinary input is often needed. The recent publication of CheckMate 816 heralds a paradigm shift...

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...

Drug interactions between common dermatological medications and the oral anti-COVID-19 agents nirmatrelvir-ritonavir and molnupiravir

In December 2021, an Emergency Use Authorisation was issued by the U.S. Food and Drug Administration (FDA) for the use of the orally active...

Low skeletal muscle mass predicts poor prognosis of elderly patients after emergency laparotomy: A single Asian institution experience

Emergency laparotomy (ELAP) for elderly patients is associated with higher mortality and increased postoperative complications compared with those undergoing elective surgery.1-3 Elderly patients, who...

Characteristics of anti-transcriptional intermediary factor 1 gamma autoantibody-positive dermatomyositis patients in Singapore

Idiopathic inflammatory myopathies (IIMs) are a heterogeneous group of acquired, systemic autoimmune conditions characterised by muscular and extramuscular manifestations. As a subset within the...

Pharmacokinetic and pharmacogenomic considerations in managing use of nirmatrelvir-ritonavir and molnupiravir and dermatological treatments

The COVID-19 pandemic has been unprecedented in its impact on global health, economic, financial, psychosocial and political systems. The World Health Organization estimates approximately...

Idiopathic inflammatory myopathies: Not nearly the end of the road

The clinical spectrum of idiopathic inflammatory myopathies (IIM) has broadened over the past half century from a simple disease characterised primarily by muscle and...

A recurring nasal mass

A 56-year-old Chinese man presented to the Ear, Nose and Throat clinic with months of unilateral right-sided nasal obstruction. He reported occasional mucopurulent discharge...

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...

Erdheim-Chester disease: Imaging spectrum of multisystemic manifestations

Dear Editor, Erdheim-Chester disease (ECD) is a rare non-Langerhans histiocytosis, usually affecting middle-aged to older adults. It is a multisystemic disease with protean clinical manifestations....

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...

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....

Self-sampling HPV DNA test for cervical cancer screening in Singapore: A prospective study

Dear Editor, Cervical cancer is known to be the most preventable malignancy through both vaccination and screening. However, it remains the tenth most common...

‘Roe’lling with the punches: Telehealth contraception and abortion

Unsafe abortion is a global health issue as it is a key preventable cause of maternal mortality. It has been estimated that up to...

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...

National surgical antibiotic prophylaxis guideline in Singapore

Surgical antibiotic prophylaxis (SAP) refers to the administration of antibiotics prior to clean and clean-contaminated surgeries to prevent postoperative surgical site infections (SSIs). An...

Non-alcoholic fatty liver disease screening in type 2 diabetes mellitus: A cost-effectiveness and price threshold analysis

Non-alcoholic fatty liver disease (NAFLD) is a growing epidemic and has become a major cause of liver-related mortality and indication for liver transplantations globally....

Improving drug allergy label accuracy by supervised safety- and protocol-driven evaluation

Self-reported drug allergies1 are common, and the majority of these have been shown to be inaccurate. Recording of drug allergy details is also often...

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...

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...

A man with bark-like skin

A 65-year-old Chinese man was admitted for evaluation of chronic anaemia. He had a history of hypertension and chronic kidney disease, and his regular...

Tragus pressure-guided removal of airway devices for safe emergence from sedation: A randomised controlled trial

Dear Editor, Emergence from anaesthesia and deep sedation is the transition from unconsciousness to the return of awareness and airway reflexes. The chief patterns of...

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...

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,...

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...

Low-dose computerised tomography screening for lung cancer in Singapore: Practical challenges of identifying participants

INTRODUCTION In March 2022, the European Commission on cancer screening suggested the inclusion of low-dose computerised tomography (LDCT) for lung cancer, targeted at current...

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...

Nutrition therapy in the older critically ill patients: A scoping review

The increasing levels of life expectancy and decreasing fertility are shifting the age structure of the world population towards older ages.1 From year 2020...

Exploring loss and grief during the COVID-19 pandemic: A scoping review of qualitative studies

As of mid October 2022, the World Health Organization recorded that more than 620 million people worldwide have been infected by SARS-CoV-2, the virus...

Impact of aortic annular size and valve type on haemodynamics and clinical outcomes after transcatheter aortic valve implantation

The management of severe aortic stenosis (AS) in patients with small aortic annulus (SAA) represents a therapeutic challenge due to the increased mortality and...

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...

ICU nutrition: Bracing for the silver tsunami

The global population’s life expectancy is growing with a steady increase in the proportion of older patients admitted to the intensive care unit (ICU).1...

The impact of COVID-19 pandemic on loss and grief

As of 17 October 2022, the COVID-19 pandemic has claimed more than 6.5 million lives globally, with 1,639 deaths reported in Singapore.1 With numerous...

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...

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...

Prevalence of perceived weight-based stigmatisation in a multiethnic Asian population

Dear Editor, People with obesity contend with obesity-related stigmas, in addition to health complications.1 In contrast to the West, literature documenting the prevalence of such...

Safety and efficacy of combined antiplatelet and low-dose rivaroxaban in patients with chronic limb threatening ischaemia in Singapore

Dear Editor, Peripheral artery disease (PAD) is characterised by the debilitating atherosclerotic occlusion of arteries in the lower extremities, with chronic limb threatening ischaemia (CLTI)...

Employers’ attitudes towards employing people with mental health conditions

Dear Editor, The advantages of employment for young people with mental health conditions (PMHC) are well known and documented,1 but many remain unemployed. Besides offering...

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...

Periodontal disease and systemic health: An update for medical practitioners

Care for the oral cavity lies in the intersection of dentistry and medicine. As the oral cavity serves as an entry to the gastrointestinal...

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,...

Sex and ethnicity modified high 1-year mortality in patients in Singapore with newly diagnosed atrial fibrillation

Atrial fibrillation (AF) is the most common clinically significant arrhythmia and is associated with increased risks of stroke, dementia, heart failure (HF) and death.1...

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)...

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...

Different strokes for different folks

Atrial fibrillation (AF) remains the most common arrhythmia since William Harvey’s observation of fibrillating auricles in open chest animal models in 1628. Willem Einthoven...

Inclusive and safe active mobility

Physical activity is considered the “best buy” in public health practice to prevent non-communicable diseases. This perspective overshadows the importance of avoiding injuries due...

Neck pain with prevertebral soft tissue thickening

A 37-year-old man presented with a history of sudden-onset neck pain, which was worse on movement and neck extension. He reported no history of...

White precipitate in a dialysis circuit

An 81-year-old man who had been fully vaccinated against COVID-19 was admitted to the medical intensive care unit on day 5 of his COVID-19-induced...

Development and feasibility of a mobile-based vestibular rehabilitation therapy application for healthy older adults

Dear Editor, Vestibular hypofunction (VH) is the clinical condition where there is partial or complete loss of the vestibular organs and/or vestibular nerves. Symptoms...

A case of rapidly progressive insomnia and dysautonomia

Dear Editor, A 43-year-old woman with no past medical history presented with 8 months of progressive memory loss and irritability, which led to her...

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...

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...

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)...

Barriers to breast cancer screening in Singapore: A literature review

Breast cancer is a major public health concern and a leading cause of cancer death among women worldwide, including Singapore.1 According to the 2018...

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...

Interaction of sex and diabetes in Asian patients with heart failure with mildly reduced left ventricular ejection fraction

Diabetes mellitus (DM) is a common comorbidity worldwide with global prevalence among adults above 18 years of age increasing from 4.7% in 1980 to...

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...

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...

Impact of sex and diabetes in patients with heart failure with mildly reduced ejection fraction

With increasing global awareness of sex differences in the heart failure population and the new entity of heart failure with mildly reduced ejection fraction...

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...

Response to letters arising from publication of the Academy of Medicine, Singapore clinical guideline on the use of sedation by non-anaesthesiologists during gastrointestinal endoscopy in the hospital setting

Dear Editor, The Academy of Medicine, Singapore (AMS) guideline on the use of sedation by non-anaesthesiologists during gastrointestinal endoscopy in the hospital setting and an...

An unusual case of ear pain in a child

A previously healthy 4-year-old French boy presented to the children’s emergency department complaining of left otalgia for 3 days. He had initially experienced left...

Sedation in gastrointestinal endoscopy in Singapore

Dear Editor, I refer to the editorial “Ensuring safe sedation during gastroendoscopy”1 and the original article “Academy of Medicine, Singapore clinical guideline on the use...

Non-anaesthesiologists administering propofol in the Singapore context

Dear Editor, Propofol is a potent intravenous sedative-hypnotic agent. Its popularity for sedation has increased in the last 3 decades because of its smooth, rapid...

Sedation by non-anaesthesiologists in gastrointestinal endoscopy

Dear Editor, We read with interest the paper by Ang et al.1 on Singapore guidelines in the use of sedation by non-anaesthesiologists during gastrointestinal endoscopy...

Knowledge and perception of fall prevention in hospital: A survey of nursing staff

Dear Editor, Hospital falls are a common debilitating problem worldwide and are associated with negative patient outcomes and increased financial costs to organisations.1,2 While...

Iatrogenic atrial septal defect after catheter ablation—to close or not to close?

Dear Editor, Transseptal access to the left heart is increasingly performed for electrophysiological procedures and for structural heart disease interventions such as balloon mitral valvuloplasty...

Cardiac sarcoidosis: Difficulties in diagnosis and treatment

Sarcoidosis is a multisystem, granulomatous disorder of unknown aetiology. It affects the lungs in 90% of cases, but is also known to affect other...

Academy of Medicine, Singapore clinical guideline on endoscopic surveillance and management of gastric premalignant lesions

Gastric cancer (GC) is the 7th most common cancer in men and the 9th most common cancer in women in Singapore. More than two-thirds...

Prevalence of burnout among healthcare professionals in Singapore

Burnout was first described in 1974 by Herbert Freudenberger, where he discussed the concept based on physical signs, behavioural indicators, judgment, emotional factors, and...

Effects of electroconvulsive therapy on cognition and quality of life in schizophrenia

Schizophrenia is a severe mental disorder with a profound impact on patients, their families, caregivers and society. The global prevalence of lifetime schizophrenia is...

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...

Bridging electroconvulsive therapy in schizophrenia with cognition and quality of life

Schizophrenia is one of the most debilitating severe mental illnesses with significant impact,1 irrespective of culture or socioeconomic class.2 Over the decades, antipsychotic medication...

Treating patients at home: A novel solution for old problems

Hospital-at-home (HaH) programmes deliver hospital-type treatments to patients located in their own homes, often in substitution for an acute inpatient admission or to support...

Cause of vaginal spotting in an older woman

A 77-year-old Chinese woman with a past medical history of Sjogren’s syndrome, nodular goitre and right-sided neck lymphadenopathy, presented to the gynaecological service for...

Palliative dialysis in hospice: A paradox or promising answer?

Dear Editor, End-stage renal disease (ESRD) patients have higher mortality, hospital admissions and invasive procedures towards the end of life.1 However, many of them (82%)...

Safe time interval for screening estimated glomerular filtration rate prior to gadolinium-enhanced MRI scan

Dear Editor, Magnetic resonance imaging (MRI) contrast media are commonly used in medical imaging and are usually gadolinium-based contrast agents (GBCAs). They can be divided...

Perception of disease, well-being and financial burden by patients with chronic hepatitis B: A self-reported assessment

Dear Editor, Chronic hepatitis B (CHB) infection affects approximately 248 million individuals in the world1 and 3.6% of the Singapore population.2 Given the natural history...

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....

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...

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...

Functional improvement after inpatient rehabilitation in community hospitals following acute hospital care

Early inpatient rehabilitation therapy has been known to have beneficial impact on physical function and mobility, psychological status and cognitive function of patients following...

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...

Inter-hospital trends of post-resuscitation interventions and outcomes of out-of-hospital cardiac arrest in Singapore

Out-of-hospital cardiac arrest (OHCA) have notoriously been a medical issue with high morbidity and mortality.1 It is a multifaceted problem with a multitude of...

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...

Out-of-hospital cardiac arrest in Singapore: Can we do better?

Cardiac arrests are unpredictable events that frequently result in death or significant residual morbidity among survivors. These sudden events affect not only the individual,...

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...

Nitrous oxide and cervical myelopathy

A 25-year-old woman presented with progressive paraesthesia and numbness, both of which started from the left hand. Her symptoms progressed to the fingertips of...

Psychosocial impact and treatment trends of hidradenitis suppurativa in Singapore

Dear Editor, Hidradenitis suppurativa (HS) is a common disease with a prevalence of about 1%.1 Patients commonly suffer from pain, disfigurement and psychosocial embarrassment, and...

Optimum follow-up period of arthroscopic and mini-open rotator cuff repairs

Dear Editor, Rotator cuff disorders are the most common cause of disability related to the shoulder,1 and rotator cuff repairs—via mini-open or arthroscopic techniques—are...

Transvaginal Natural Orifice Transluminal Endoscopic Surgery (vNOTES) hysterectomy in Singapore

Dear Editor, Hysterectomy is one of the most common gynaecological procedures, and various approaches are available such as abdominal, laparoscopic and vaginal.1 Several studies...

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”...

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...

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...

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...

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...

Sepsis, cardiovascular events and short-term mortality risk in critically ill patients

Sepsis is defined as “life-threatening organ dysfunction caused by a dysregulated host immune response to infection”.1 It is one of the most common conditions...

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...

Sepsis and cardiovascular events: The story so far

Sepsis is a state of life-threatening organ dysfunction that results from a dysregulated host immune response to infection.1 Sepsis is a common condition that...

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...

A 52-year-old woman with beading of intracranial arteries

A 52-year-old woman of Indian ethnicity with a history of well-controlled hypertension, hyperlipidaemia and recurrent transient ischaemic attacks presented with altered mentation and slurred...

An initial experience with laser haemorrhoidoplasty in addition to mucopexy for symptomatic haemorrhoids

Dear Editor, Symptomatic haemorrhoids is the most common anorectal disorder, where up to 75% of people experience symptoms sometime in their lives.1 The current gold standard...

Previous history of hyperthyroidism in emergency department patients with atrial fibrillation does not increase the risk of thromboembolism and death

Dear Editor, Atrial fibrillation (AF) is frequently encountered in the emergency department (ED) and is a major risk factor for thromboembolic events. The clinical decision...

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...

Haemoglobin H disease and outcomes in Singapore

Dear Editor, Haemoglobin H (HbH) disease is a haemoglobinopathy affecting 3 of 4 α-globin genes on chromosome 16. It results from the deletion of 2...

Retrospective analysis of neonates born after assisted reproductive technology and admitted to the neonatal intensive care unit

Dear Editor, There are limited studies evaluating neonatal outcomes after assisted reproductive technology (ART) in Asia, especially Southeast Asia, hence this study aimed to...

Health economics of kidney replacement therapy in Singapore: Taking stock and looking ahead

Burden of ESKD in Singapore. The incidence of chronic kidney disease (CKD) stage 5 in Singapore increased by 31% from 383.9 per million population...

Medicolegal aspects of non-rapid eye movement parasomnias

Parasomnia is a clinical sleep disorder, which involves undesirable physical or behavioural phenomena that arise predominantly during sleep.1,2 This can occur during any stage...

Circular RNAs in the pathogenesis of sepsis and their clinical implications: A narrative review

Sepsis is a condition with life-threatening organ dysfunction, resulting from abnormal responses of the host to various infections.1 The underlying pathogenic mechanisms include an...

Comparison of planned-start, early-start and deferred-start strategies for peritoneal dialysis initiation in end-stage kidney disease

Peritoneal dialysis (PD) is a well-established long-term dialysis modality for patients with end-stage kidney disease (ESKD).1 It is recommended that a PD catheter should...

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...

Circular RNAs and sepsis: New frontiers in diagnostics and therapeutics?

Circular RNAs (circRNAs) are a group of endogenous RNAs characterised by their covalently closed-loop structures. These molecules are part of a large class of...

Polycystic ovary syndrome in Singapore

Polycystic ovary syndrome (PCOS) is the most common endocrine disorder in young women, affecting approximately 10% of women. It is a heterogeneous condition that...

Unusual biliary gem: Cause of acute obstructive suppurative cholangitis and pancreatitis in a patient with Billroth II anastomosis

A 72-year-old man with a 10-year history of subtotal gastrectomy with Billroth II anastomosis and laparoscopic cholecystectomy presented with abdominal pain, high fever and...

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...

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...

Acute hypercapnic respiratory failure in thyroid storm and the role of plasma exchange

Dear Editor, Thyroid storm is a life-threatening condition due to excessive release of thyroid hormone. Cardiovascular, gastrointestinal and neurological manifestations have been described.1 Acute respiratory...

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...

Telepalliative care during the pandemic: Lessons for the future

Dear Editor, Mok et al. gave hope for cautious optimism for the acceptance of telemedicine for palliative care—which will be referred to as “telepalliative care”...

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,...

Identifying high-risk hospitalised chronic kidney disease patient using electronic health records for serious illness conversation

In-hospital cardiopulmonary resuscitation (CPR) for chronic kidney disease (CKD) patients is shown to have lower survival1 and a higher proportion of survivors on maintenance...

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...

Diagnostic thresholds for absolute systolic toe pressure and toe-brachial index in diabetic foot screening

Diabetes mellitus is a global healthcare problem. In Singapore, the rising disease burden of this metabolic condition places considerable strain on the healthcare system,...

Death and cardiovascular outcomes in end-stage renal failure patients on different modalities of dialysis

End-stage renal failure (ESRF) is a major cause of morbidity and mortality worldwide, including Asia.1 In Singapore, incidence of chronic kidney disease (CKD) stage...

Pressures, indexes and peripheral arterial disease: Time to rethink our approach?

Most patients with peripheral arterial disease (PAD) are asymptomatic. Despite the absence of symptoms, these patients have a significantly increased risk of death and...

Survival outcome of haemodialysis and peritoneal dialysis

End-stage renal disease (ESRD) is a challenging and growing health issue, with number of patients increasing globally. The use of dialysis has greatly improved...

Board of Reviewers

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Subject Index

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Author Index

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Mesothelial Splenic Cyst—A Case Report

Non-parasitic cystic lesions of the spleen are unusual. They are classified essentially as primary (true, epithelial) and secondary (pseudo, non-epithelial) based on the presence...

A Case Report of Heparin Resistance due to Acquired Antithrombin III Deficiency

Intravenous heparin therapy is used in the management of angina and myocardial infarct with increasing frequency in recent years. Those patients who have been...

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...

Cutaneous Polyarteritis Nodosa: A Case Report and Literature Review

Cutaneous polyarteritis nodosa (CPN) is an uncommon form of vasculitis of the small-and medium-sized arteries in the reticular dermis and subcutaneous tissue. It remains...

Sezary Syndrome: A Case Report and a Review of the Molecular Pathomechanism and Management

Our patient is a 64-year-old Malay man who first presented in July 1993 with a history of rash starting on the hands 1½ years...

A Case Report of Neutrophilic Eccrine Hidradenitis in a Patient Receiving Chemotherapy for Acute Myeloid Leukaemia

Neutrophilic eccrine hidradenitis (NEH) is a neutrophilic dermatosis primarily affecting the eccrine glands and occurs most commonly in patients undergoing chemotherapy for a malignancy. This...

Pericardial Injury Following Severe Sepsis from Faecal Peritonitis—A Case Report on the Use of Continuous Cardiac Output Monitoring

The intermittent manual bolus thermodilution method is the most common means of determining cardiac output in critically ill patients. Although widely used, there are...

Creutzfeldt-Jakob Disease Presenting with Visual Blurring, Diplopia and Visual Loss: Heidenhain’s Variant

The electroencephalographic pattern is distinctive in many but not in all patients with Creutzfeldt-Jakob disease (CJD). Often, it is one of diffuse and non-specific...

Case Series of Bronchoscopic Removal of Tracheobronchial Foreign Body in Six Adults

Gustav Killian reported the first case of bronchoscopic removal of foreign body (FB) from the trachea in 1897. Since then, rigid bronchoscopy under general...

An Overview of Anaesthetic Issues in Phaeochromocytoma

New developments in technology, monitoring and pharmacology over the last decade have improved our understanding of phaeochromocytoma and its management. This review summarises the...

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...

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...

A Descriptive Study of the Demography, Symptomology, Management and Outcome of the First 300 Patients Admitted to an Independent Hospice in Singapore

Modern society views death as an aberration which has to be postponed and, if possible, prevented at all cost. Death is just unacceptable and...

Glaucoma Pattern Amongst the Elderly Chinese in Singapore

Glaucoma is a major cause of world blindness in developing and developed nations. The WHO Global data on blindness show that over half of...

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,...

The Profile of Hospitalised Patients with Parkinson’s Disease

Prevalence studies in various parts of the world have shown that Parkinson’s disease (PD) is relatively common among the aged in all countries. Crude...

Reduction in Retake Rates and Radiation Dosage Through Computed Radiography

New computed radiography imaging systems are slowly gaining a foothold in radiological departments worldwide. By computed radiography we mean a digital imaging system which...

Computed Tomographic and Magnetic Resonance Imaging Findings in Paranasal Sinus Involvement in Nasopharyngeal Carcinoma

Nasopharyngeal carcinoma (NPC) is an aggressive infiltrative neoplasm. Spread into the paranasal sinuses is often seen but the frequency is documented in only a...

Drug Treatment of Hypercholesterolaemia

Serum cholesterol has been established as a major risk factor for coronary heart disease (CHD). There is a linear association between serum cholesterol level...

A Study of Idiopathic Thrombocytopenic Purpura (ITP) Patients over a Ten-year Period

Idiopathic thrombocytopenic purpura (ITP) is an immunoregulatory disorder in which antibodies damage platelets leading to their removal by cells of the reticuloendothelial system (RES)....

Goldberger’s Triad in Dilated Cardiomyopathy—Can it Predict the Severity of Left Ventricular Dysfunction?

In 1982, Goldberger described a novel electrocardiogram (ECG) triad that was highly specific for patients with dilated cardiomyopathy and congestive heart failure (attributable to...

Is it Feasible to Use Magnesium Sulphate as a Hypotensive Agent in Oral and Maxillofacial Surgery?

Although deliberate hypotension during surgery may potentially cause organ ischaemia, in particular of the myocardium and cerebrum, it is widely used as an adjuvant...

Anthropometry of Anterior Cruciate Ligament in Singaporean Chinese

Anterior cruciate ligament (ACL) reconstruction is a technically precise and demanding operation. Attention to factors such as the tunnel position, graft selection, fixation and...

Surgical Results of Open Reduction and Plating of Humeral Shaft Fractures

Management of humeral shaft fractures has been the subject of controversy (Böhler, Ekkernkamp and Muhr, Nast-Kolb and Schweiberer). The problem of non-union, wound infection...

Stereotactic Microelectrode-guided Posteroventral Pallidotomy and Pallidal Deep Brain Stimulation for Parkinson’s Disease

Medications for Parkinson’s disease (PD) is effective for several years, but is followed by motor fluctuations, dyskinesias and progression of bradykinesia and rigidity. This...

Operative Treatment of Displaced Talar Neck Fractures

Talus is a weight bearing bone with peculiar anatomy and blood supply. It forms the ankle joint with the medial and lateral malleoli, subtalar...

Abdominal Surgery in Human Immunodeficiency Virus (HIV) Infected Patients—Early Local Experience

The prevalence of human immunodeficiency virus (HIV) infection is rising at an exponential rate in Singapore. The surgical experience with this disease remains limited. This...

Academic Medicine in Singapore

Academic medicine is currently grappling with the problem of whether the triple-threat academician is a species threatened with extinction in the 21st century, given...

Thyroid Storm Presenting as Jaundice and Complete Heart Block

Thyroid storm is defined as a severe and often life-threatening exacerbation of thyrotoxicosis which is usually characterised by hyperthermia, tachycardia, severe agitation and altered...

Frontal Sinus Mucoceles Causing Proptosis—Two Case Reports

Frontal mucoceles are collections of inspissated mucus which occur when there is obstruction to the outflow of the frontal sinuses. The obstruction may be...

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. This article is available...

Adjuvant Chemotherapy for Patients with Resected Dukes’ C and High-risk B2 Colon Cancer with Fluorouracil and Levamisole

Carcinoma of the large bowel is the second leading cause of cancer mortality in Singapore. Although the great majority of patients are discovered at...

Postanaesthetic Shivering—A Comparison of Thiopentone and Propofol

The incidence of shivering following general anaesthesia varies from 5% to 65%. Postanaesthetic shivering may increase tissue oxygen demand by as much as 500%...

Experience with a Nine-step Policy Dealing with Requests for Medically Inappropriate Interventions for Cancer

Although great strides have been made in treating cancers, a significant number of patients still reach the point at which no curative treatment is...

Invasive Cancer after Treatment of Cervical Intraepithelial Neoplasia

The objective of a cervical screening programme is to prevent invasive cancer of the cervix by detecting and treating pre-invasive disease of the cervix....

The Polarprobe—Emerging Technology for Cervical Cancer Screening

Cervical cancer is a preventable disease that affects nearly half a million women worldwide. The Papanicolaou smear has been used for screening for over...

Occult Virilizing Ovarian Tumours in Postmenopausal Women: Problems in Evaluation with Reference to a Case

A remarkable variety of endocrinologic disorders may cause virilization syndromes. This can pose a diagnostic dilemma to even the most experienced clinicians. This article is...

Occult Virilizing Ovarian Tumours in Postmenopausal Women: Problems in Evaluation with Reference to a Case

A remarkable variety of endocrinologic disorders may cause virilization syndromes. This can pose a diagnostic dilemma to even the most experienced clinicians. This article is...

Pelvic Spleen Masquerading as an Ovarian Neoplasm

A 53-year-old Caucasian woman, a receptionist in a general practice, was referred to the gynaecology outpatient clinic with an 18-month history of heavy, irregular...

Repair of Complex Ureterovaginal and Vesicovaginal Fistulas with Ileal Cystoplasty and Ureteric Reimplantation into an Antireflux Ileal Nipple Valve—A Case Report

Urogenital fistulas are a known but uncommon complication of gynaecological surgery, especially those involving a malignant process. Its incidence does not exceed 2%. This article...

A Case Report—Delayed Vesicocutaneous Fistula After Radiation Therapy for Advanced Vulvar Cancer

To our knowledge this is the first reported case of an isolated vesicocutaneous fistula related to previous radiation therapy for recurrent vulvar cancer. This article...

Optimal Treatment in Gestational Trophoblastic Disease

Gestational trophoblastic diseases (GTD) encompass a spectrum of interrelated conditions: Hydatidiform mole (HM) Invasive mole (IM) Choriocarcinoma (CC) Placental site trophoblastic tumour (PSTT) This article is available only as...

Fallopian Tube Carcinoma—A Review

Fallopian tube cancer is the least common of gynaecological malignancies. It was first described by Renaud in 1847. This article is available only as a...

Current Management of Early Vulvar Cancer

Carcinoma of the vulva is an uncommon malignancy, but one that is amenable to early diagnosis if symptoms and signs are appropriately investigated. Although...

Topoisomerase-I Inhibitors in Gynaecologic Tumours

Topoisomerases are essential nuclear enzymes with a multiplicity of cellular functions involving DNA replication, RNA transcription, mitosis, and chromosome condensation. Two classes have been...

Screening for Ovarian Cancer

Ovarian cancer is the most common gynaecological malignancy with over 5000 new cases diagnosed every year in the UK and 22 000 in the...

Biomarkers in Carcinoma of the Cervix: Emphasis on Tissue-related Factors and Their Potential Prognostic Factors

Accurate staging is of utmost importance in determining the prognosis of carcinoma of the cervix. Demographic features such as race and socio-economic status have...

The Management Dilemma of the Mildly Abnormal Smear: Fact or Fiction?

Carcinoma of the cervix is still a relatively common gynaecological malignancy. However, despite being potentially preventable it still claims the lives of many women...

Adenocarcinoma of the Cervix

It is clear from studies in Canada, Scandinavia, and more recently the United Kingdom, that routine Pap smear screening has not only reduced the...

Malignant Ovarian Germ Cell Tumours: Experience in the National University Hospital of Singapore

One of the most remarkable advances in the management of gynaecological cancers is in malignant ovarian germ cell tumours. Before the early 70s, some...

A Phase II Study of Combined CPT-11 and Mitomycin-C in Platinum Refractory Clear Cell and Mucinous Ovarian Carcinoma

Platinum resistance, either de novo or acquired, is a major obstacle in the treatment of advanced ovarian cancer. Platinum-resistance has been classified into the...

Single Agent Paclitaxel in Resistant and Relapsed Epithelial Ovarian Cancer After First-line Platinum-based Chemotherapy—Experience in an Asian Population

Ovarian carcinoma ranks fourth among causes of death in women and is the leading cause of death from gynaecological malignancies in Western countries. In...

Uterine Papillary Serous Carcinoma—The KK Hospital Experience

Endometrial carcinoma comprises a morphologically heterogeneous group of tumours. Several authors during the 1960s and 1970s described an unusual variant of endometrial cancer containing...

Radiotherapy as Local Adjuvant Treatment for Endometrial Carcinoma—A Review of 45 Patients

Radiotherapy as an adjunct to surgery has long been used in the management of endometrial carcinoma with the intent to improve local tumour control...

Outcome of Obstructive Uropathy After Pelvic Irradiation in Patients with Carcinoma of the Uterine Cervix

Radiotherapy is the mainstay treatment for locally advanced carcinoma of the cervix. It is also administered as an adjuvant therapy to patients deemed at...

The Surgical Management of Colorectal Complications from Irradiation for Carcinoma of the Cervix

Radiation bowel injury is a significant clinical problem because of the technical difficulties of surgery. Among the more common causes is radiation of carcinoma...

Adjuvant Chemotherapy in “High Risk” Patients after Wertheim Hysterectomy—10-year Survivals

Wertheim radical hysterectomy has today become an accepted method of management of stage IB and early stage IIA cervical carcinoma, particularly in young patients...

A Review of Patients with High-risk Carcinoma of the Cervix Treated with Combined Surgery and Postoperative Radiotherapy

It is generally accepted that early stage invasive carcinoma of the cervix, stage I to stage IIA disease, can be treated with equal effectiveness...

Outcome of Early Cervical Carcinoma Treated by Wertheim Hysterectomy with Selective Postoperative Radiotherapy

Cancer of the cervix is the fourth most common cancer in females in Singapore after breast, colorectal and lung cancers. It forms 7.8% of...

Gynaecologic Oncology—The Next Lap

Cancer of the pelvic reproductive organs and external genitalia accounts for one in six cancers in women. It can occur in women of all...

Re: Haematuria in the Diagnosis of Urinary Calculi. SBS Ooi, NW Kour, A Mahadev. Ann Acad Med Singapore 1998; 27:210-4

The above article highlights the insensitivity of urine microscopy compared with the Combur 9 test for detecting haematuria associated with urinary calculi. In the...

Book Review

This book is a collection of 30 case studies, which were published in the Singapore Medical Journal from 1994 to 1997. They include interesting...

The Sixth SGH Lecture—Singapore: A New Venice of the 21st Century

Venice is one of the legendary cities of the world. Its beauty and physical setting make Venice unique. For almost 800 years, from 1000...

Citation on Professor Tommy Koh

Professor Tommy Koh was born on 12 November 1937 in Singapore. He was educated at Outram School from 1949 to 1951, followed by Raffles...

Sudden Profound Hypoxaemia in the Intensive Care Unit—A Case Report

Significant arterial hypoxaemia is defined as a partial pressure of oxygen (PaO2) that is less than 60 mmHg or a percentage of oxyhaemoglobin (%...

Hyperthyroidism with Gynaecomastia as the Initial Complaint: A Case Report

Gynaecomastia is not a commonly recognised feature among the myriad symptoms and signs associated with hyperthyroidism. A review of the literature disclosed only eight...

Rosai-Dorfman Disease with Primary Cutaneous Manifestations—A Case Report

In 1969, Rosai and Dorfman first described a newly recognised benign systemic histioproliferative disease characterised clinically by bilateral striking cervical lymphadenopathy, fever, leukocytosis, and...

The Alien Hand Sign–Case Report and Review of the Literature

The alien hand sign or “strange hand sign”, first coined by Brion and Jedynak in 1972, refers to a feeling that the hand is...

Simultaneous Transcatheter Valvuloplasty and Amplatzer Septal Occlusion for Pulmonary Valvar Stenosis and Secundum Atrial Septal Defect

Congenital pulmonary valvar stenosis (PVS) and secundum atrial septal defect (ASD) are relatively common forms of congenital heart disease (CHD). Since the first successful...

A Case of Metastatic Nasopharyngeal Carcinoma in Benign Nasal Polyps

Our patient was a 39-year-old Chinese man with nasopharyngeal carcinoma (NPC) presenting initially with right upper cervical lymphadenopathy. He was treated primarily with a...

A Case Report of Atasoy Antenna Procedure

The hook nail deformity is a relatively common problem after fingertip amputations. It is usually ignored but can be quite disabling. This article is available...

Thoracoscopic Thymectomy for Myasthenia Gravis: A Case Report

Total thymectomy is the established surgical therapeutic method for generalised myasthenia gravis. Several approaches are used for the surgical removal of the thymus and...

Electrocardiographic Abnormalities in Combined Hypercalcaemia and Hypokalaemia—Case Report

The electrocardiographic abnormalities in isolated hypercalcaemia and hypokalaemia have been well documented in the literature. However, electrocardiogram (ECG) findings in combined hypercalcaemia and hypokalaemia...

A Case Series of Ocular Disease as the Primary Manifestation in Sarcoidosis

Sarcoidosis is an idiopathic, systemic, non-caseating, granulomatous disease with protean clinical manifestations. Although the first description of sarcoidosis was attributed to Hutchinson, its ocular...

Bronchoscopy in the Intensive Care Unit (ICU)

Flexible fibreoptic bronchoscopy (FFB) has become an indispensable tool in the optimal management of intensive care unit (ICU) patients with both diagnostic and therapeutic...

Use of Atypical Neuroleptics in a State Mental Institute

Schizophrenia is the most severe of all mental disorders and affects about 1% of the population. The main disturbances of schizophrenia comprise positive symptoms,...

Trends in the Pattern of Blindness and Major Ocular Diseases in Singapore and Asia

Singapore’s population has grown rapidly since 1965, the year in which it gained independence. The total population enumerated at its first census in 1970...

The Impact of Clinical Guidelines and Clinical Pathways on Medical Practice: Effectiveness and Medico-legal Aspects

Guidelines for the management of specified clinical conditions are increasingly being touted as a vital component of the future delivery of health care. However,...

Electrophysiological Features in the Management of Meralgia Paraesthetica

Meralgia paraesthetica is a condition resulting from entrapment of the lateral femoral cutaneous nerve at the region of the anterior superior iliac spine, when...

Urinary Deoxypyridinoline is a Useful Biochemical Bone Marker for the Management of Postmenopausal Osteoporosis

Postmenopausal osteoporosis is the most common cause of osteoporosis. It is heralded by the cessation of oestrogen production by the ovaries resulting in at...

Bone Mineral Density—Correlation between Quantitative Ultrasound Characteristics and Dual Energy X-ray Absorptiometry

Osteoporosis is well documented to be a significant determinant of the risk of fracture and its assessment in vivo has been based on various...

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%...

Outpatient Treatment of Middle and Lower Ureteric Stones: Extracorporeal Shock Wave Lithotripsy versus Ureteroscopic Laser Lithotripsy

Significant technological advances have been made in the management of ureteric calculi. The newer semirigid, fibreoptic ureteroscopes can now be passed with minimal trauma...

Ambulatory Anorectal Surgery—Is it Feasible Locally?

Economic and social pressures are compelling surgeons to modify their practice. An increasing number of procedures are being done in an outpatient setting. This 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. This article...

The StuI Polymorphism on Exon 8 of the Low Density Lipoprotein (LDL) Receptor Gene: Prevalence and Impact on Serum Lipid Levels in an Asian Cohort

The low density lipoprotein (LDL) particles in the plasma carry most of the cholesterol in circulation. High levels of plasma cholesterol and LDL-cholesterol are...

One Hundred and Seventy Cases of Childhood Onset Rheumatological Disease in Singapore

Children with rheumatological disease form a small but important proportion of the ill paediatric population. Most of the published data available are based on...

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....

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...

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...

Orbital Lymphoma: Results of Radiation Therapy

Orbital lymphoma is a rare presentation of extranodal non-Hodgkin’s lymphoma, accounting for less than 1% of the total. The role of radiotherapy in its...

Day Hospital Rehabilitation for the Elderly: A Retrospective Study

Alexandra Hospital is the first hospital in Singapore with a Day Hospital for the elderly. One of the main functions of the Day Hospital...

Self-Perception of Health among Elderly Community Dwellers in Singapore

The single most important determinant of the quality of an elderly person’s life is health. In the elderly, health matters affect all other areas...

Evidence-based Medicine and Electronic Publication: Is There a Common Thread?

Evidence-based medicine (EBM) and electronic publication (EP) formed the basis of two back-to-back workshops (EBM Workshop—6 & 7 June 1998 and EP Workshop—8 June...

Planning and Design of a Surgical Intensive Care Unit in a New Regional Hospital

The Changi General Hospital is a new regional hospital in the eastern part of Singapore catering to a population of about 750 000. Planning...

Management Training in Critical Care Medicine

Critical care medicine as a specialty has grown rapidly, both clinically and academically, over the past 25 years. In the USA, certification of competence...

A Case of Pseudohyperkalaemia and Thrombocytosis

Hyperkalaemia is a common biochemical derangement in the intensive care unit reflecting a diversity of systemic perturbations such as acute renal failure, rhabdomyolysis, extracellular...

Combined High-frequency Ventilation (CHFV) in the Treatment of Acute Lung Injury—A Case Report

The role of ventilatory support in acute lung injury is supportive, whilst the damage to alveolar-capillary membranes resolves and alveolar stability is restored. The...

Foregoing Life Support in Medically Futile Patients

The origins of withholding medical support are found in ancient times. More than two millennia ago, Hippocrates (460 to 361 BC) stated that the...

Continuous Renal Replacement Therapy: Continuous Blood Purification in the Intensive Care Unit

The last decade has seen a progressive change in the style of management of severe acute renal failure (acute renal failure which requires the...

Contributions of Respiratory Care Practitioners to Intensive Care: A Review

The intensive care unit (ICU) is a complex environment in which multidisciplinary expertise has been shown to enhance clinical outcomes. For example, the availability...

Nitric Oxide in Septic Shock: Directions for Future Therapy?

In 1980, Furchgott and Zawadzki demonstrated that the relaxation of isolated arteries to acetylcholine required the presence of endothelial cells. This response was mediated...

Ventilatory Strategies for Acute Respiratory Distress Syndrome

Acute respiratory distress syndrome (ARDS) was first described by Ashbaugh et al in 1967. The original authors detailed the presence of tachypnoea, hypoxaemia, decreased...

The Oxygen Delivery Debate—A Review

Multisystem organ failure occurs in a large proportion of critically ill patients and is a major cause of death in this group of patients....

Severity Scoring Systems in the Modern Intensive Care Unit

The first major general severity adjustment system, the Acute Physiology and Chronic Health Evaluation (APACHE) system, was published in 1981. Since then, APACHE, the...

Controlled Observations in Critical Care Medicine: The Therapeutic Trial

Central to the combined diagnostic and therapeutic approach to the critically ill subject is the evaluation of both the basal physiologic status and its...

Critical Care Medicine in the Western Pacific Region

The Western Pacific region includes a very diverse group of countries varying in their culture, economic development and per capita income, disease prevalence and...

Critical Care—The Worldwide Perspective

Although special areas for postoperative patients existed 50 years ago, the modern specialty of Critical Care began during the polio epidemic of the 1950s....

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...

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...

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...

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...

Malaria Requiring Intensive Care

Malaria is an important and common infectious parasitic disease globally. It is associated with significant morbidity and mortality, especially in endemic areas. This article is...

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...

A Retrospective Study of Near-drowning Victims Admitted to the Intensive Care Unit

Drowning victims suffocate from submersion. This may lead to immediate death or, if they survive, brain damage if significant cerebral hypoxia is present. This article...

Diabetes Insipidus in Neurosurgical Patients

Diabetes insipidus (DI) is a syndrome characterised by the excretion of abnormally large volumes of dilute urine. It occurs uncommonly in neurosurgical patients, but...

Outcome of Patients with Traumatic Brain Injury Managed on a Standardised Head Injury Protocol

Trauma is the fifth commonest cause of death in Singapore. In 1996, trauma contributed to 5.4% of mortality. This article is available only as a...

Predictors of Long-term Outcome in Severe Head Injury

Injuries form the fifth commonest cause of death locally. They accounted for 27 out of 100 000 deaths in 1993. This article is available only...

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...

APACHE II and SAPS II are Poorly Calibrated in a Hong Kong Intensive Care Unit

The Acute Physiology and Chronic Health Evaluation II (APACHE II) and the new Simplified Acute Physiology Score (SAPS II) scoring systems are widely used...

Audit of 2431 Admissions to the Surgical Intensive Care Unit, Singapore General Hospital

The Singapore General Hospital is a 1700-bedded tertiary hospital with subspecialty intensive care units (ICUs), i.e. Surgical ICU, Cardiothoracic ICU, Neurosurgical ICU, Medical ICU,...

Impact on Quality of Patient Care and Procedure Use in the Medical Intensive Care Unit (MICU) Following Reorganisation

Critical care is costly as it is labour intensive and involves expensive life support technology. In the United States, the intensive care units (ICUs)...

Intensivists for the Intensive Care Unit—Do They Make a Difference?

Does Critical Care Medicine exist and what defines its area of practice? Different countries have embarked on their own journeys of discovery, and have...

Urinary 2/16α-hydroxyestrone Ratio: Correlation with Serum Insulin-like Growth Factor Binding Protein-3 and a Potential Biomarker of Breast Cancer Risk

Breast cancer is the most common cancer among women in Singapore with age-standardised incidence rates increasing markedly from 26.8 to 38.7 per 100 000...

A Case Series of Paget’s Disease of Bone: Diagnosing a Rather Uncommon Condition in Singapore

Sir James Paget’s description in 1877 of “a form of chronic inflammation of bones” which now bears his name was based entirely on clinical...

Ergotism and Vascular Insufficiency: A Case Report and Review of Literature

Toxicity from ergot and its derivative is well known. Great epidemics occurred during the middle ages due to consumption of rye contaminated with the...

Systemic Sclerosis in DRw52-positive Silica-exposed Males: A Case Report

Familial scleroderma was first documented in 1953 by Rees and Bennett who described the occurrence of a localised disease in a father and daughter....

Subclavian-oesophageal Fistula as a Complication of Foreign Body Ingestion: A Case Report

Ingested foreign bodies are a common condition in the practice of Otolaryngology. In particular, there is no doubt a greater tendency in the local...

A Case Report of a Patient with Bronchial Carcinoid Tumour and Late Presentation of Cushing’s Syndrome

Cushing’s syndrome is usually easy to recognise clinically. Determining the cause of non-iatrogenic Cushing’s syndrome is, on the other hand, often a diagnostic enigma. This...

Traumatic Dislocation of the Testes

Traumatic dislocation of the testes is uncommon. The first case was reported by Claubry in 1818 in Paris, when a 20-year-old soldier was run...

A Case of Accelerated Development of Proliferative Diabetic Retinopathy in a Woman with Type 2 Diabetes Mellitus after Pregnancy

Diabetic retinopathy is the leading cause of blindness in persons between the age of 24 and 64 years both in the US and the...

Trilateral Retinoblastoma—A Case Report

Retinoblastoma is the third most common tumour in childhood. It is inherited genetically. This article is available only as a PDF. Please click on “Download...

Recurrent Gigantic Pyogenic Granuloma Disturbing Speech and Mastication: A Case Report and Literature Review

Pyogenic granulomas are common benign fibrovascular growths of the oral cavity that are non-neoplastic in nature. They may also present as skin lesions. This article...

Verrucous Haemangioma—A Case Report

Verrucous haemangioma is an uncommon congenital vascular malformation which may grow to large sizes. It has a characteristic hyperkeratotic and verrucous surface which resembles...

Interventional Electrophysiology and its Role in the Treatment of Cardiac Arrhythmia

Cardiac arrhythmias are disorders of the electrical system of the heart which can present as benign ectopics or as life-threatening arrhythmias and sudden cardiac...

A Review of the Role of Magnetic Resonance Imaging in the Evaluation of Shoulder Impingement Syndrome and Rotator Cuff Tendon Tears

In the evaluation of chronic shoulder pain and dysfunction clinically suspected to be due to shoulder impingement syndrome and rotator cuff tendon tears, magnetic...

Epidural Analgesia in Obstetrics

Most obstetric anaesthetists have their favourite epidural concoction for use in labour, This paper surveys the variation in techniques of drug delivery and types...

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...

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...

Are Antacids Necessary as Routine Prescriptives with Non-steroidal Anti-inflammatory Drugs?

Non-steroidal anti-inflammatory drugs (NSAIDs) are commonly used for their analgesic or anti-inflammatory properties in musculoskeletal pain. However, they are not without adverse effects, such...

Otitis Externa—The Clinical Pattern in a Tertiary Institution in Singapore

Although otitis externa is a common otological condition, the literature pertaining to it is sparse in contrast to the vast amounts of articles that...

Haematuria in the Diagnosis of Urinary Calculi

Patients with renal or ureteric colic are commonly seen at our Emergency Department. We routinely check their urine for haematuria using the Combur 9...

A Retrospective Review of Patients with Clinically Definite Multiple Sclerosis

Genetic susceptibility and environmental factors influence the prevalence and clinical manifestations of multiple sclerosis (MS). Since MS is rare in Southeast Asia, descriptions of...

Phyllodes Tumour: An Update of 40 Cases

First described by Johannes Muller in 1838 as a large, benign tumour of the breast. Phyllodes tumour is a rare pathological entity, accounting for...

The Investigation and Management of Thyroid Nodules—A Retrospective Review of 183 Cases

Thyroid nodule is a common problem in surgical practice. In 1994, more than 350 thyroid operations were performed in our department, of which 183...

The Role for Preoperative Localisation Techniques in Surgery for Hyperparathyroidism

Hyperparathyroidism is well recognised as a clinical problem that has a myriad of presentation. The classical presenting symptoms of hypercalcaemia have been well documented...

Double Level Fractures of the Femur Treated with Closed Intramedullary Nailing

Closed locked intramedullary nailing of the femur has become the accepted means of treating fractures of the femur. The use of locking nails has...

Soft Tissue Cover in Compound and Complicated Tibial Fractures Using Microvascular Flaps

Compound tibial fractures are high-energy traumatic injuries, which are frequently associated with high incidence of complications like infection and failure of bony union leading...

Portable Chest Radiography: Comparison of High-resolution Digital Displays with Laser Printed Digital Film

In most institutions, about 10% to 25% of imaging examinations are recorded digitally (e.g. digital subtraction angiography, computed tomography, magnetic resonance imaging and ultrasound)....

Percutaneous Needle Aspiration in the Treatment of Hepatic Abscess: Factors Influencing Patients’ Outcome

Liver abscess traditionally has been treated by open surgical drainage, mortality rates being as high as 80% to 100% if left untreated. However, with...

Contrast-Enhanced Magnetic Resonance Imaging of the Internal Auditory Canals and Posterior Fossa

Contrast-enhanced magnetic resonance imaging (MRI) is now the gold-standard examination for the exclusion of acoustic schwannomas or other posterior fossa tumours. We retrospectively reviewed...

Non-diagnostic Smears in Aspiration Cytology of Palpable Breast Lumps

A wide variety of neoplastic and non-neoplastic lesions have been described in the breast. Breast tissue is also subjected to many physiologic changes such...

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...

Plasma Vitamins A, C and E 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%...

Scientific Publication is Dominated by First World Countries

There is a perception among authors of scientific articles from “developing” or “third world” countries that when they submit their research papers to international...

The Rich Legacy of Tan Tock Seng Hospital Includes that of Being a Medical College in 1943 to 1944

Tan Tock Seng Hospital (TTSH), Singapore, started its history as a pauper hospital. The foundation stone of the first TTSH was laid on 25...

Tan Tock Seng Hospital: Some Recollections from 1942 to 1997

When I was asked to deliver this inaugural Tan Tock Seng Hospital (TTSH) Oration, I was deeply moved and truly appreciative of the honour...

Medicine and Surgery—History, Change and Challenge

Mr Koh Yong Guan, guest-of-honour; Dr Tan Ser Kiat, Master, Academy of Medicine; Dr K C Tan, Chairman, Chapter of Surgeons; Dr Robert Jalleh...

Synovitis, Acne, Pustulosis, Hyperostosis and Osteitis (SAPHO) Syndrome: A Brief Review of a Rare Condition

The acronym SAPHO refers to a syndrome characterised by synovitis, acne, pustulosis, hyperostosis and osteitis. In 1961, a link between acne conglobata and arthritis...

The Role of Occupational Therapy in Rheumatoid Arthritis Management

Rheumatoid arthritis is a systemic disease characterised by remissions and exacerbations that vary in severity and timing among people. Its chronic and degenerative course...

A Case of Sulindac-induced Enteropathy Resulting in Jejunal Perforation

Non-steroidal anti-inflammatory drugs (NSAIDs) are widely used for the treatment of various rheumatic conditions including rheumatoid arthritis (RA). The adverse effects of NSAIDs on...

Musculoskeletal Pain Clinic in Singapore—Sacroiliac Joint Somatic Dysfunction as Cause of Buttock Pain

Patient A, a 33-year-old male administrative coordinator presented with left buttock pain of 4 to 5 years duration which radiated down to the leg...

Intra-Synovial Corticosteroid Injections in Juvenile Chronic Arthritis—A Review

Locally injected intra-synovial corticosteroids are useful to target selected joint, tendon sheath or bursal inflammation in children with pauciarticular or polyarticular juvenile chronic arthritis...

Osteoporosis—The Need for a Paradigm Shift

Osteoporosis is becoming an increasing public health problem in most countries. Osteoporosis literally means “porous bones” and involves skeletal fragility leading to an increased...

Managing Problem Gout

Gout occurs in 3 overlapping phases: a long phase of asymptomatic hyperuricaemia, a period of recurrent acute gouty attacks separated by asymptomatic intervals (interval...

Lipid Disorders and Rheumatic Diseases

The relationship between lipid disorders and arthritis is manifold. Hyperlipidaemia may manifest clinically in the musculoskeletal system. In 1968, Khachadurian studied 14 families of...

Rheumatoid Arthritis—A Review

Rheumatoid arthritis (RA) is a chronic inflammatory arthritis which is occasionally associated with extraarticular manifestations. Although the first good clinical description was by Landre-Beauvais...

Imaging of Thoracic Manifestations of Scleroderma

Systemic sclerosis (SScl) is a generalised disease of the connective tissue characterised by fibrosis and vascular changes affecting the skin, lungs, gastrointestinal tract, kidneys,...

Overview of Imaging in Rheumatologic Diseases

Since the discovery of X-rays over a century ago, radiology has played a pivotal role in rheumatology and diseases of the joints. The innovations...

Advances in Antiphospholipid (Hughes’) Syndrome

Phospholipids (PLs) are components of cell membranes. Their function is not only to maintain the structure of the membranes but also to modify the...

The Appropriate Use of Antineutrophil Cytoplasmic Antibody (ANCA) Testing in Rheumatic Diseases

In 1982, Davies and co-workers in Melbourne described the presence of a serum factor that stained the cytoplasm of neutrophil leukocytes by indirect immunofluorescence...

Oral Tolerance: Mechanisms and Therapy of Autoimmune Diseases

Immunologic tolerance is a hallmark of the immune system whereby immune cells are tolerant of self antigen. Historically, this tolerance was thought to be...

The Genetics of Systemic Lupus Erythematosus

Systemic lupus erythematosus (SLE) is a chronic rheumatic disease characterised by protean clinical manifestations as well as the presence of multiple autoantibodies. Tissue deposition...

Systemic Lupus Erythematosus in Singapore

Systemic lupus erythematosus (SLE) or lupus (“wolf” in Latin) in short, is an autoimmune disorder of unknown aetiology(ies) and characterised by diverse clinical manifestations...

Murine Lupus: Pathogenic Mechanisms and Genetic Origins

The complex and non organ-specific nature of systemic lupus erythematosus (SLE) has made it difficult for researchers to unravel the genetic defects and pathogenic...

Education in Rheumatology

The fact that there is an increasing and growing need in societies for care of sufferers of rheumatic conditions can be shown from national...

The Sensitivity and Specificity of Autoantibodies to the Sm Antigen in the Diagnosis of Systemic Lupus Erythematosus

The presence of multiple autoantibodies is the hallmark of systemic lupus erythematosus (SLE). Many of these autoantibodies target nuclear antigens e.g. histones, Sm, RNP,...

Clinical Predictors of Nephritis in Systemic Lupus Erythematosus

Lupus nephritis is a common manifestation of lupus associated with significant morbidity and mortality. The use of cytotoxic agents has resulted in improved renal...

Adult-onset Still’s Disease in an Oriental Population: Manifestations, Course and Outcome in 16 Patients

Although George Still first described systemic onset juvenile rheumatoid arthritis (JRA) comprising fever, arthritis, lymphadenopathy and splenomegaly in 1897, it was not until 1971...

Clinical Presentation and Disease Associations of Gout: A Hospital-based Study of 100 Patients in Singapore

Gout is a common metabolic disease that causes arthritis which is often painful and sometimes disabling. It results from the deposition of monosodium urate...

Ankylosing Spondylitis in Singapore: A Study of 150 Patients and a Local Update

Back pain is a common but often self-limiting problem. However, it is important to recognise causes of chronic backache such as ankylosing spondylitis which...

Development of Rheumatology in Singapore

Patients with rheumatic diseases frequently consult primary care physicians, internists and orthopaedic surgeons. In the past, few doctors took interest in these diseases. This article...

Board of Reviewers

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Subject Index

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Author Index

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Current Continuing Medical Education Provision in Singapore

It was in 1994 that as an overseas fellow of the College, I received a letter from Dr Peter Toghill, Director of Continuing Medical...

Early 21st Century Professional Practice: Change and Challenge

Today is a day of rejoicing for all of you, graduates, parents, relatives and loved ones. I can share in your joy and also...

9th Seah Cheng Siang Memorial Lecture: Gastric Cancer—Where are we now?

The last two decades have witnessed dramatic changes in the understanding of gastric cancer: a rapid decline in global incidence, its association with Helicobacter...

Multivariate Statistical Analysis: A Brief Introduction

In modern medical research, it is rare to limit data analysis to merely two variables: a single exposure (independent) variable and a single outcome...

Osteoid Osteoma after a Stress Fracture of the Tibia: A Case Report

A 24-year-old man complained of left leg pain following 3 months of infantry training 6 years ago. There was no previous complaint of pain...

Reconstruction of a Supinated Hypoplastic Thumb with Combined Huber Transfer and Derotation Osteotomy: A Case Report

A 6-year-old Chinese girl presented with a deformity of the left thumb since birth. Her father has a similar deformity. This article is available only...

Incessant Ectopic Atrial Tachycardia and Tachycardia-related Cardiomyopathy: Therapeutic Options and Potential for Cure

Incessant ectopic atria tachycardia (IEAT) is a rare and insidious arrhythmia which is frequently misdiagnosed and if untreated, leads to ‘exhaustion’ of the myocardium...

A Case Report of Adult T-Cell Leukaemia/Lymphoma (ATLL)

Our patient was a 71-year-old Chinese man who presented with a 6-year history of recurrent papular erythematous eruptions to the dermatologist. This article is available...

Haemorrhage into Non-functioning Adrenal Cysts—Report of Two Cases and Review of the Literature

Doran, in 1903, reported the first case of adrenal cyst described by Greiselius in 1670. It was not until 1966 that Foster reported the...

Chronic Subdural Haematoma Presenting with Transient Ischaemic Attacks— A Case Report

Transient ischaemic attacks (TIA) are commonly seen in neurologic practice. They are most commonly associated with cerebrovascular insufficiency, either from a thrombotic or embolic...

Chryseobacterium meningosepticum (Flavobacterium meningosepticum)—A Report of Five Cases in a Local Hospital

Chryseobacterium meningosepticum has been known to be a causative agent of meningitis particularly in the premature and newborn infants. The first case of human...

Bullous Dermatomyositis Associated with Nasopharyngeal Carcinoma —A Case Report

Bullous dermatomyositis is a rare variant of dermatomyositis and has been reported in the literature. It is believed to be strongly associated with the...

Case Reports of Linear IgA Bullous Dermatosis of Childhood

Linear IgA bullous dermatosis of childhood (LADC) is an acquired subepidermal blistering disorder of young children which is characterised by the unique finding of...

Atypical Mycobacterium Infection with Sporotrichoid Spread in a Patient with Human Immunodeficiency Virus

Mycobacteria other than tubercle bacilli (MOTT) were shown to be agents of human disease in the 1950s. They are also known as atypical, environmental...

Somatisation among Asian Refugees and Immigrants as a Culturally-shaped Illness Behaviour

During the past two decades, close to one million Southeast Asian refugees of war have resettled in North America. Together with the already significant...

Intracoronary Brachytherapy: The Beginning of the End of Restenosis?

Restenosis remains a major clinical problem 20 years after the introduction of coronary angioplasty by Andreas Gruentzig in the treatment of coronary artery disease....

One-year Review of Pityriasis Rosea at the National Skin Centre, Singapore

Pityriasis rosea is a common, self-limited disorder of unknown but suspected viral aetiology, that develops abruptly with few or no prodromal symptoms. Classically, the...

Repigmentation of Vitiligo with Autologous Blister-induced Epidermal Grafts

Treatment of vitiligo can sometimes be difficult and disappointing. Medical treatment includes topical or systemic steroids and psoralen with ultraviolet A light (PUVA). This article...

An In vitro Evaluation of Epidural Catheters: Tensile Strength and Resistance to Kinking

In the current era of increasing economic and medicolegal pressures, it is imperative that equipment-related limitations and complications be reduced to a minimum. Epidural...

Video-assisted Thoracoscopy: Role in the Management of Intrathoracic Pathology

Thoracoscopy was first introduced by Jacobaeus nearly a century ago. With the development of endoscopic equipment and the recent surge of interest in minimally...

Outcome of Tunnelled Central Venous Haemodialysis Catheters Inserted by Radiologists

In end-stage renal failure patients, maintaining adequate vascular access continues to be an ongoing challenge. Native arteriovenous fistulas or synthetic arteriovenous grafts are satisfactory...

Focused Abdominal Sonography for Trauma (FAST)

The multiply injured patient presents a challenge to even the most experienced surgeon. These patients often present in shock and require a rapid diagnostic...

Is Staging of Benign Prostatic Hyperplasia (BPH) Feasible?

Staging of disease is important. It serves as a guide for further management and also for comparing the results of treatment. Traditionally this has...

Perinatal Drug Abuse in KK Women’s and Children’s Hospital

In recent years, perinatal drug abuse has been emerging as an area of major concern for the perinatologists. Chasnoff found the prevalence of substance...

Transscaphoid Perilunate Fracture/Dislocations—Results of Surgical Treatment

Transscaphoid perilunate fracture/dislocations are relatively uncommon injuries of the wrist, constituting about 3% of all carpal injuries. However, it accounts for more than half...

Excimer Laser Phototherapeutic Keratectomy for Recurrent Corneal Erosions

Recurrent cornea1 erosion (RCE) syndrome is a commonly encountered clinical condition which may be difficult to treat. Hansen first described it in 1872. This article...

Use of EMLA Cream or Alfentanil for Analgesia during Ophthalmic Nerve Blocks

Cataract surgery is performed mainly as day-case surgery, with the majority performed under regional anaesthesia. Retrobulbar block, combined with facial nerve block, provides good...

The Effect of Fenofibrate on Insulin Sensitivity and Plasma Lipid Profile in Non diabetic Males with Low High Density Lipoprotein/Dyslipidaemic Syndrome

Hyperinsulinaemia and insulin resistance have been postulated to relate directly to both hypertension and coronary artery disease in type II diabetes and possibly also...

A Pilot Study of the Efficacy and Tolerability of Intralesional Recombinant Human Beta-Interferons in Cervical Intraepithelial Neoplasia

Cervical intraepithelial neoplasia (CIN) is a neoplastic disorder in which infection with sub-types of the human papillomavirus appears to play an important aetiological ro1e....

Trust and Editorial Independence—A Vision for the Annals

The latest casualty in the “Editor-Owner” debacle, the forced departure of Jerome Kassirer as Editor-in-Chief of the prestigious New England Journal of Medicine (NEJM),...

New Treatment and Research Strategies for the Improvement of Care of Cleft Lip and Palate Patients in the New Millennium

I have chosen as the title of my keynote address “New Treatment and Research Strategies for the Improvement of the Care of Cleft Lip...

Midface Distraction Osteogenesis in Cleft Patients: A Case Report

The aetiology of midfacial hypoplasia in patients with cleft lip and palate has been attributed in the literature to the surgical procedures used for...

A Case Report of a Vital Replanted Tooth with Unfavourable Extra-alveolar Condition: A 10-Year Follow-up

Tooth avulsion, frequently of the maxillary central incisors, occurs most often in children from 7 to 9 years of age, when the periodontium surrounding...

Odontoameloblastoma: Report of a Case

Ameloblastoma is a benign but locally invasive tumour that affects the jaws. Although it is commonly regarded as a homogeneous group of tumours, detailed...

Oral Manifestations of Schimmelpenning Syndrome: Case Report and Review of Literature

Schimmelpenning syndrome (SS) is characterised by specific skin manifestations, skeletal defects, and central nervous system abnormalities, such as mental deficiency and seizures. Happle has...

Selective Laser Sintering: Application of a Rapid Prototyping Method in Craniomaxillofacial Reconstructive Surgery

The value of computed tomography (CT) in craniofacial trauma is now well established with progress in imaging modalities. Three-dimensional (3-D) CT has changed the...

The Role of Distraction Osteogenesis in the Management of Craniofacial Disorders

The concept of distraction osteogenesis was championed by Ilizarov, beginning as early as 1954, for the treatment of a variety of congenital and acquired...

Alveolar Bone Grafts: The Surgical/Orthodontic Management of the Cleft Maxilla

Secondary alveolar bone grafting, which was pioneered in Europe, was reported in the German literature at the beginning of this century. However, it was...

The Role of Laser Surface Imaging in the Evaluation of Craniomaxillofacial Disorders: The Singapore General Hospital Experience

The management of craniomaxillofacial disorders is not complete without the proper documentation of clinical information and the storage of images. It is usually long-term...

Pathogenesis and Morphogenesis of Craniofacial Developmental Anomalies

The current explosion of molecular biology encompassing genetics, morphogenesis, teratogenesis and pharmacogenomics for targeted drug therapy is about to have a profound impact upon...

A Review of Common Mucocutaneous Disorders Affecting the Mouth and Lips

Most of the mucocutaneous diseases are confined to the stratified squamous epithelia and thus may involve oral, genital and other mucosae and skin. Most...

Oral Rehabilitation Using Dental Implants and Guided Bone Regeneration

Form follows function and adaptation to physiologic demands dictates skeletal form. In the oro-facial region, tooth loss leads to atrophy of the alveolar arches...

Reconstruction of Cranial Bone Defects Using Alloplastic Implants Produced from a Stereolithographically-generated Cranial Model

Cranial bone defects can be a result of trauma, congenital defects, infection or iatrogenically induced by surgery. Even for patients with sufficient hair to...

Repair of Complex Orbital Fractures: Technical Problems, State-of-the-art Solutions and Future Perspectives

Fractures involving the orbits are frequent among facial injuries, making up to nearly 40% of the total. Within the wide range of severity, the...

Lessons Learnt from the Management of 1500 Complex Facial Fractures

With the advent of regional trauma centres and rapid air transport systems, a larger number of patients with extremely complex craniomaxillofacial trauma are now...

An Anatomic Evaluation of the Furlow Double Opposing Z-Plasty Technique of Cleft Palate Repair

The Furlow double opposing Z-plasty has gained considerable popularity since its introduction approximately a decade ago, and is currently a favoured method of both...

A 5-Year Survey of Oral Biopsies in an Oral Surgical Unit in Singapore: 1993-1997

There are a variety of pathological conditions that present in the oral cavity. While clinical and radiographic examination will suggest a provisional diagnosis, histological...