Related Articles

Acute respiratory tract infections management in private primary healthcare in Singapore

Dear Editor, Antibiotic use is medically unnecessary for most acute respiratory infections (ARIs), which are mostly viral aetiology and self-limiting in nature. Despite this, high rates of antibiotic use in the treatment of ARI persist, particularly in primary care where most ARI cases are managed.1 In Singapore, antimicrobial resistance (AMR)...

Health-related quality of life in Singapore: Population norms for the EQ-5D-5L and EORTC QLQ-C30

Health-related quality of life (HRQOL) is a multidimensional assessment of the impact of disease and treatment on physical, psychological and social aspects of individuals’ lives.1,2 HRQOL is an important outcome measure of healthcare interventions that is increasingly used in clinical research and practice.1,3 HRQOL instruments may be generic or...

Strengthening HRQOL Assessment in Singapore: Updated Norms for EQ-5D-5L and EORTC QLQ-C30

Health-related quality of life (HRQOL) is increasingly used as an important indicator of health outcomes for measuring the impact of illness and treatment among individuals with mental or physical conditions. The EuroQol 5-dimension (EQ-5D) questionnaire is one of the most widely used generic measures for HRQOL and estimating the...

A review on adverse airway events during anaesthesia over 6 years in a tertiary referral hospital

Dear Editor, Comprehensive reviews of perioperative critical airway events (CAE) have been conducted through audits and closed claims analyses. However, there is currently limited published data specific to Singapore. Our study aims to analyse CAE at a tertiary hospital in Singapore, ascertain their frequency, identify risk factors, and compare findings...

Epidemiology of paediatric intensive care unit admissions, deaths and organ donation candidacy: A single-centre audit

With advancements in medical care, mortality rates in critically ill patients have decreased substantially.1,2 Contemporary studies from developed countries report paediatric intensive care mortality rates of 2–3%3,4 in 2014 to 2019, whereas mortality in developing countries can be as high as 50%5 as of 2024, indicating large disparities in...

Optimising dementia screening in community-dwelling older adults: A rapid review of brief diagnostic tools in Singapore

Persons living with dementia experience chronic and progressive cognitive decline in 1 or more cognitive domains, affecting their everyday activities.1 Globally, the number of persons living with dementia is expected to rise from 55 million in 2019 to 139 million in 2050, with an estimated two-thirds in lower- and...

Corticosteroids in critically ill patients with community-acquired pneumonia: A systematic review and Bayesian meta-analysis

Community-acquired pneumonia (CAP) is a common cause of hospital mortality. Each year, in the US alone, more than 1.5 million pneumonia patients are hospitalised, and 1 in 3 of them die within 1 year.1 Mortality is the highest among patients requiring organ support in the intensive care unit (ICU)....

Intravenous epoprostenol therapy in the treatment of pulmonary arterial hypertension in Singapore

Illustration by Nata Blackthorn Dear Editor, Pulmonary arterial hypertension (PAH) is a progressive disease characterised by significant morbidity and mortality. Intravenous (IV) epoprostenol (Veletri, Johnson & Johnson, US), a prostacyclin analogue, has been shown to improve exercise tolerance, PAH symptoms, haemodynamics and survival.1,2 However, there is a lack of data on...

Predictors of complicated influenza infection in children presenting in a tertiary hospital in a tropical country: A case-control study

Dear Editor, Influenza causes significant healthcare burden globally1 with highest risks in children and the elderly. In children, multiple studies have identified risk factors for severe influenza such as young age (<5 years), presence of comorbidities, abnormal vital signs (e.g. hypoxia, shock) and bacterial coinfections.2-4 We found similar findings in...

Factors affecting outcomes among older trauma patients in Singapore: A retrospective observational study

Dear Editor, Singapore faces a rapidly ageing population with its median age projected to be above 45 years by 2030. Our greying demographics is accompanied by a rise in chronic diseases and medication use, including polypharmacy.1 Longer life expectancy and increased activity levels have contributed to higher incidence of geriatric...

Healthcare burden of cognitive impairment: Evidence from a Singapore Chinese health study

Individuals with cognitive impairment (CI) are predisposed to injuries, infections and treatment complications,1 have poorer treatment compliance, and face greater difficulties with post-discharge care.2 These challenges, exacerbated by comorbidities,3-6 lead to poorer ambulatory care management, reduced contacts with primary and outpatient care providers, and greater use of emergency department...

Prevalence of consumption of illicit drugs and associated factors from a nationwide epidemiological survey: The Singapore Health and Lifestyle Survey

Substance use disorders (SUDs) are characterised by the uncontrolled use of a substance by an individual despite its harmful consequences.1,2 The prevalence of consumption of substances and SUDs varies widely across countries. This difference in prevalence can be attributed to factors such as study methodology (the substance included in...

Validating two international warfarin pharmacogenetic dosing algorithms for estimating the maintenance dose for patients in Singapore

Dear Editor, Predicting optimal warfarin dosing is difficult due to complex pharmacodynamics and pharmacokinetics, narrow therapeutic index and susceptibility to many factors.1 Genetic variations of the CYP2C9 and VKORC1 enzymes, occurring in different frequencies in different populations, play a significant role in determining warfarin dosing.1-4 Using pharmacogenetic dosing algorithms to...

Hantavirus haemorrhagic fever and renal syndrome, caused by the Hantaan virus in Singapore: A case report

Dear Editor, We outline a case of a 59-year-old Malaysian man of Indian origin with no known past medical history apart from diabetes mellitus and hypertension, who presented with a 7-day history of unrelenting fever, myalgia, confusion and unsteady gait. He worked as a shipyard engineer and travelled between Singapore...

Call for a Singapore National Action Plan for Sepsis (SNAPS): Stop sepsis, save lives

Sepsis is a life-threatening organ dysfunction syndrome caused by a dysregulated host response to an infection.1 It affects up to 48.9 million people globally every year and causes 11 million sepsis-related deaths, accounting for 1 in every 5 deaths worldwide.2 The huge disease burden leads to significant consumption of...

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 over the age of 80.1,2 Following an OVF, persistence of the vertebral deformity may lead to spinal kyphosis, which is associated with chronic lower back...

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 hormonal therapies, and the direct invasion of bone tissue by malignant cells contribute to the accelerated bone loss seen in cancer patients.1 Various anti-osteoporosis drugs,...

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, ethical challenges and cost considerations. Although some studies show that ICU mortality increases with age, others suggest that age alone is not predictive of poor...

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 implications—chronic kidney disease (CKD) progression over 1 year has been described in 21%, 30%, and 79% of initial survivors with septic AKI reversal, recovery and...

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 are more likely to have comorbidities, have lower functional reserves to cope with the increased physiological demand due to their acute illness and eventual surgical...

High burden of respiratory viral infection-associated mortality among critically ill children

Dear Editor, Acute lower respiratory infections (ALRIs) are a leading cause of under-5 mortality globally—two-thirds could be attributable to respiratory viral infections (RVIs).1,2 The burden of paediatric RVIs in settings of tropical climate with year-long virus circulation is relatively underreported.3,4 Previous studies in these areas have estimated that around 8–11%...

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 accompanying editorial were published in the January 2022 issue of the Annals.1,2 An evidence-based approach was used with reference made to relevant published literature. The...

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 of sedation by non-anaesthesiologists during endoscopy in the hospital setting”2  in your journal in January 2022. The American Society of Gastrointestinal Endoscopy (ASGE) and the European...

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 onset of action and fast post-procedural recovery.1 Nonetheless, propofol depresses cardiorespiratory function and could result in life-threatening adverse effects. A workgroup, mainly consisting of gastroenterologists and...

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 in the hospital setting. We are especially intrigued by Statement 6, stating that propofol sedation for endoscopy can be safely and effectively administered by trained...

Epidemiological trends and outcomes of children with aural foreign bodies in Singapore

Aural foreign bodies (FBs) commonly present to the emergency department (ED) worldwide. Children represent the majority of the population, believed to be due to their inquisitive minds and experimental nature.1 Aetiologies for aural FBs include accidental or intentional insertion of FBs into body orifices, ear irritation caused by rhinitis...

Prevalence and correlates of psychological distress and coronavirus anxiety among hospital essential services workers in Singapore

The Coronavirus Disease 2019 (COVID-19) has affected almost all geographies in the world since 2020. Many countries have imposed strict isolation measures to contain the spread of this disease. While the majority of the population has been working from home, essential workers continue manning the frontlines, facing risks such...

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 be placed at least 2 weeks prior to the anticipated need of long-term PD treatment for a planned-start PD.2 Despite wide-spread promotion of planned-start dialysis for...

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 haemodialysis were discharged to skilled nursing facilities.2 Despite that, haemodialysis patients still preferred CPR during cardiac arrest3 and there are lower do-not-resuscitate orders for the...

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 5 has increased from 383.9 per million population (PMP) in 2010 to 414.8 PMP in 2015. Incidence of patients requiring dialysis has increased in tandem....

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 the survival and life expectancy of ESRD patients. Haemodialysis (HD) and peritoneal dialysis (PD) are 2 broad dialysis modalities used for ESRD. Despite the advancement...

Risk Factors for Predicting Mortality in a Paediatric Intensive Care Unit

Following the rapid advances in medical therapy and critical care technology over the past 30 years, coupled with the spiralling cost of medical care, outcome analysis including mortality risk prediction has become a challenge for the modern day intensivists. During the early 90s, the focus has shifted from the...

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 as well as to achieve excellent survival rates. Over the years, however, the specific role and relative benefit of postoperative radiotherapy for this particular cancer...

Infections in Acute Lymphoblastic Leukaemia

Children undergoing chemotherapy for cancer are especially vulnerable to infection because of immunosuppression related to their underlying illness, the effects of chemotherapy and radiotherapy. Empiric antimicrobial chemotherapy is the mainstay of therapy for febrile neutropenic episodes pending the culture results. This article is available only as a PDF. Please click...

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 available only as a PDF. Please click on “Download PDF” on top to view the full article.

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 is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Survival after Cardiopulmonary Resuscitation in the General Wards—The Results of a Dedicated “Code” Team

Cardiopulmonary resuscitation (CPR) is widely practised for cardiopulmonary arrests with variable success. The initial intention was to defibrillate patients with ventricular fibrillation after acute myocardial infarction, to save those with “hearts too good to die”. This article is available only as a PDF. Please click on “Download PDF” on top...

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) use about 15% of the total hospital cost or about 1% of the gross national product. This article is available only as a PDF. Please click...

Survey of Aerobic Bacterial Infections in Paediatric Surgical Intensive Care Unit Patients

Data on infections in paediatric surgical patients are few in the literature. Although there are many studies on infection in adult surgical and paediatric medical patients, paediatric surgical patients are a special group in their spectrum of diseases and treatment requirements. This article is available only as a PDF. Please...

Disseminated Penicillium marneffei Infection: A Report of Five Cases in Singapore

Penicillium marneffei is a dimorphic fungus that can cause infection in immunocompromised hosts. Reports on infection with this organism were initially uncommon, but after the first report of disseminated P. marneffei infection in a HIV-infected individual from Bangkok in 1989, the incidence has increased markedly, almost exclusively in patients...

Hospitalised Low-risk Community-acquired Pneumonia: Outcome and Potential for Cost-savings

Community-acquired pneumonia (CAP) is a common illness with nearly 4 million adults diagnosed each year in USA with more than 600,000 hospita1isations. The associated cost of hospitalisation is enormous and approaches nearly US$4 billion per year. This article is available only as a PDF. Please click on “Download PDF” on...

Long-term Outcome and Disease Control in Near-fatal Asthma

Rising trends in mortality in asthma have been reported from many countries, including Asian countries such as Hong Kong. Asthma deaths have been associated with a number of avoidable factors such as deficiencies in personal and professional management that can potentially be remedied if identified. This article is available only...

Extended Resection of Locally Advanced (T4) Stomach Cancer

Cancer is the most common cause of death in Singapore. Although there is a gradual decline in incidence of stomach cancer over the years, it is the third (10.1%) most common cancer in males and the fifth (6.5%) most common cancer in females in Singapore. This article is available only...

Clinical Drug Trials: Practical Problems of Phase III

There has been a rapid increase in clinical trial activity in Singapore and other parts of Asia. Randomised clinical trials are the “gold standard” in study design, which enable the question of efficacy of different treatments or managements to be effectively compared. This article is available only as a PDF....

Deep Vein Thrombosis after Total Knee Replacement

Western literature reports a very high incidence of deep vein thrombosis in its population especially after orthopaedic surgery. In total knee replacement without prophylaxis, its incidence is quoted between 46% and 84% in various studies. This article is available only as a PDF. Please click on “Download PDF” on top...

Adverse Operative Risk Factors for Perforated Peptic Ulcer

Although there has been a significant decline in elective surgery for peptic ulcer disease with the introduction of H-2 blocker, the incidence of peptic ulcer perforation has remained relatively unchanged over the years. The mortality rate from perforated peptic ulcer remains high as more perforations occur in the elderly...

Survival of Colorectal Cancer Patients in Singapore by Anatomic Subsite: A Population-based Study

Colorectal cancer incidence rates rank second in most developed countries and have been rising rapidly in urban societies of East Asia. Despite much effort to detect early-stage disease and to explore more effective treatment methods, the overall 5-year survival rate has remained around 40% based on the reports from...

Introduction of Problem-based Learning in a Traditional Medical Curriculum in Singapore—Students’ and Tutors’ Perspectives

The National University of Singapore was started in 1905. Since then, it has trained many generations of medical practitioners. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Quality of Life in Long-Term Survivors of Intensive Care

Intensive care has undergone rapid technological advancement in recent years enabling complex treatment of patients of advanced age and/or with advanced chronic diseases underlying their acute medical problems. New interventions have been introduced with success determined by their ability to save lives. This article is available only as a PDF....

Limitation of Life Support in the Critically Ill: The Hong Kong Perspective

Technological advances over the last 30 years have had an enormous impact on the way in which medicine is delivered today. This is particularly so in the specialty of intensive care where intensivists possess the necessary knowledge and tools to prolong life in many situations where patients would previously...

Abdominal Complications after Cardiac Surgery

Despite intensive therapeutic efforts, both the incidence and mortality of gastrointestinal complications after cardiac surgery employing cardiopulmonary bypass (CPB) have not decreased during the last two decades. Gastric bleeding, ischaemic bowel disease, gallbladder disease, and pancreatitis are reportedly the most common complications. This article is available only as a PDF....

Primary Anorectal Malignant Melanoma: Clinical Features and Results of Surgical Therapy in Singapore—A Case Series

Malignant melanoma arising from the anal canal was first described in 1857. It is uncommon, comprising only about 1% of all anal canal tumours. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

A Retrospective Study of Melanocytic Naevi at the National Skin Centre

Melanocytic naevi are benign proliferation of melanocytes of congenital and acquired types which usually appear during adolescence or early adult life. Naevi are of three common subtypes i.e. junctional, compound and intradermal melanocytic naevi, with characteristic clinical appearance that aids in clinical diagnosis. This article is available only as a...

Intravenous Adrenaline or Vasopressin in Sudden Cardiac Arrest: A Literature Review

Of the approximately 15,000 deaths that occur in Singapore every year, about 25% are from cardiac causes; of which, some 30% to 40% occur suddenly, outside of a hospital. The mechanism of death is usually a fatal arrhythmia, most often ventricular tachycardia or fibrillation. This article is available only as...

Myocardial Infarction in Singapore: A Nationwide 10-year Study of Multiethnic Differences in Incidence and Mortality

Rapid urbanisation and increasing affluence have improved the socioeconomic status of Asians. This, however, has brought with it new socioeconomic and medical problems resulting from the urbanised lifestyles entrenched in these newly industrialised economies. This article is available only as a PDF. Please click on “Download PDF” on top to...

Measuring Health-related Quality of Life in Singapore: Normal Values for the English and Chinese SF-36 Health Survey

Advances in diagnosis and therapy in the second half of the 20th century have lead to impressive improvements in survival for patients with many chronic illnesses. With improvements in survival, patients’ perceptions of health are increasingly being recognised as an important outcome in clinical medicine, especially in illnesses where...

Paediatric Extracranial Germ Cell Tumours: A Retrospective Review

Germ cell tumours (GCTs) in children account for 2% to 3% of childhood malignancies. They arise from primordial germ cells and constitute a heterogeneous group of tumours. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Influenza in Singapore: Assessing the Burden of Illness in the Community

Influenza is a major cause of morbidity and mortality worldwide. Morbidity in the working age group gives rise to frequent doctor visits and considerable sickness absence from work. Influenza in the elderly population and in high-risk groups results in hospitalisations and deaths due to complications of pneumonia. This article is...

Epidemiology of Beta-haemolytic Group G Streptococcal Bacteraemia in Singapore (1996 to 1998)

Human isolates of group G streptococci (GGS) that form large colonies are similar to group A streptococci (GAS) in terms of virulence and cause a range of serious infections. These included infective endocarditis which had been emphasised in older reports1 but was found to be uncommon in later studies. This...

Osteoporotic Hip Fractures in Singapore—Costs and Patient’s Outcome

Singapore is facing a rapidly ageing population. Osteoporosis, which is an age-related illness, will become an increasing problem. Osteoporotic hip fracture, because of the need for hospitalisation and surgery, represents an important economic burden to society, in addition to its medical morbidities and social implications upon the patient and...

Correlates of Habitual Walking and Sports/Leisure-time Physical Activity in Older Persons in Singapore: Interaction Effects Between Educational Attainment and Gender

Physical inactivity has been identified as a major cause of morbidity and mortality secondary to cardiovascular disease, diabetes mellitus and hypertension. It contributes to the loss of physiological and psychological capabilities that result in overall reduction in function and independent living. This article is available only as a PDF. Please...

Critically Ill Elderly Who Require Mechanical Ventilation: The Effects of Age on Survival Outcomes and Resource Utilisation in the Medical Intensive Care Unit of a General Hospital

Increasing life expectancy and ageing of the “post-war baby boomer” generation have led to the rapidly ageing demographic of many Asian countries. Singapore’s elderly population above the age of 65 will rise from 7.5% in 2002 to 18.9% by the year 2030. This article is available only as a PDF....

Validity and Reliability of the EQ-5D Self-report Questionnaire in Chinese-speaking Patients with Rheumatic Diseases in Singapore

Health-related quality of life (HRQoL) refers to patients’ perceptions of their own functioning and well-being. HRQoL is increasingly being used as a primary or secondary endpoint in clinical research and is essential in economic evaluation of new and often expensive therapies. This article is available only as a PDF. Please...

Severe Acute Respiratory Syndrome (SARS) — 150 Days On

The Severe Acute Respiratory Syndrome (SARS) has been identified as a new clinical entity in the year 2003. It was on 12 March 2003 that the World Health Organization (WHO) issued a global health alert on the disease then known as atypical pneumonia. This article is available only as a...

Eating Disorders in Singapore: A Review

Anorexia nervosa, bulimia and binge-eating disorder are the three best described ‘eating disorders’. All three are predominantly disorders of women with the core symptoms of shape/weight dissatisfaction and eating abnormalities. Anorexia nervosa is characterised by significant self-induced weight loss secondary to fear of fatness, amenorrhoea (cessation of menstruation for...

Youth Suicide and Parasuicide in Singapore

The World Health Organization defines suicide as an act with a fatal outcome that is deliberately initiated and performed by the person himself or herself in the knowledge, or expectation, of its fatal outcome. Parasuicide or attempted suicide is distinguished from suicide by the non-fatal outcome. This article is available...

Behcet’s Disease: Experience in a Tertiary Rheumatology Centre in Singapore and a Review of the Literature

The only published study on Behcet’s disease in Singapore by Tan E et al (34 patients at the National Skin Centre) found that only 15% had arthritis and 6% had eye complications with no other systemic manifestations. These findings are different from epidemiological studies from other countries published in...

Medical Therapy in Heart Failure – Is Polypharmacy Necessary?

The clinical syndrome of heart failure is recognised by a characteristic pattern of haemodynamic, renal, neural and hormonal responses. Heart failure is the end-stage of all heart diseases. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Characteristics and Acute Rehabilitation of Guillain-Barré Syndrome in Singapore

The Guillain-Barré syndrome (GBS) is an acute, frequently severe evolution of a demyelinating inflammatory polyradiculopathy with an autoimmune pathogenesis. In developed countries, GBS is the most common cause of acute neuromuscular paralysis. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

Deep Hypothermic Circulatory Arrest in Adults Undergoing Aortic Surgery: Local Experience

The use of deep hypothermic circulatory arrest (DHCA) as a method of cerebral protection during aortic surgery was first described in 1975. Its use is based on 2 fundamental concepts. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Severe Adult Chickenpox Infection Requiring Intensive Care

Chickenpox (varicella) in adults can be severe. It is frequently associated with pneumonia and immunosuppression as well as increased mortality rates. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Familial Risk of Allergic Rhinitis and Atopic Dermatitis among Chinese Families in Singapore

Family history has been shown to be a risk factor for the development of allergic rhinitis (AR) and atopic dermatitis (AD). However, the increase in prevalence has also been attributed to the changes in lifestyle and urbanisation in developed countries. This article is available only as a PDF. Please click...

Early Dengue Infection and Outcome Study (EDEN) – Study Design and Preliminary Findings

Dengue fever/dengue haemorrhagic fever (DF/DHF) is a re-emerging disease that is endemic in the tropical world. It is caused by 4 closely-related dengue viruses which are transmitted by the Aedes mosquitoes, principally the Aedes aegypti mosquito. This article is available only as a PDF. Please click on “Download PDF” on...

Bodies Recovered from Wells, Sewerage Systems and Pits: What is the Cause of Death?

It may be difficult to determine the identities, and cause and time of death in corpses found in wells, sewer systems and pits because they may contain water, and there may not be sufficient oxygen, which leads to anoxia/hypoxia. Corpses found in wells, sewer systems and pits are difficult...

SARS in Singapore – Predictors of Disease Severity

Severe acute respiratory syndrome (SARS) is a recently defined illness caused by a novel coronavirus. The outbreak in Singapore originated from Hong Kong via mainland China. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

The Clinical Predictors of Hypertension and Sleepiness in an Asian Population with Sleep-disordered Breathing

Sleep physicians have only recently began to learn much about the epidemiology of sleep-disordered breathing (SDB) from large, well conducted prospective community-based studies. These studies have helped identify the risk factors for identifying sleep apnoea, particularly in the Western population. This article is available only as a PDF. Please click...

Neuroblastoma Screening in Japan: Population-based Cohort Study and Future Aspects of Screening

This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Early Predictors of Mortality in Pneumococcal Bacteraemia

Streptococcus pneumoniae infection is the most common cause of community-acquired pneumonia worldwide.1 It has been associated with an approximately 10% rate of bacteraemia.2-4 Despite the advances in antibiotics, pneumococcal bacteraemia still carries a significant mortality rate.2-6 This article is available only as a PDF. Please click on "Download PDF" to...

The Future of Medical Education: The Second 100 Years

This is a proud year for the medical profession in Singapore, as we celebrate 100 years of medical education. As the oldest faculty in Singapore’s first university, we are reminded that it was the Medical School which laid the foundation for tertiary education in Singapore. It is appropriate that...

The Medical Students’ Societies and Medical Students’ Publications

For a very long time, King Edward VII (endearingly abbreviated “KE”) was synonymous with the medical school and its associated hall of residence. The name was first used for the School (later called College) in 1912 in recognition of a substantial gift from the King Edward VII Memorial Fund....

The Teaching of Radiology

A record of Diagnostic Radiology would be incomplete without reference to Wilheim Roentgen, who discovered the rays that he could not comprehend; hence, X-rays. The day was Friday, 8 November 1895, as he worked on cathode ray tubes at the University of Wurzburg, Germany. These rays penetrated opaque substances,...

In vitro Activities of Antifungal Drugs Against Yeasts Isolated from Blood Cultures and Moulds Isolated from Various Clinically Significant Sites in Singapore

Fungaemia carries with it high mortality rates and appropriate as well as timely antifungal therapy has been shown to be life saving. Amphotericin B has the broadest coverage amongst the antifungal drugs against fungal infection, and was regarded the gold standard treatment for severe fungal infection. This article is available...

Antimicrobial Resistance: A New Beginning and the Need for Action

In this issue, the articles (historical, original and review papers) highlight the extent and problem of antimicrobial resistance in Singapore. The authors should be congratulated on their efforts. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

The Media and Suicide

Suicide worldwide is estimated to represent 1.8% of the total global burden of disease in 1998, and 2.4% in countries with market and former socialist economies in 2020. This is equal to the burden due to wars and homicide, roughly twice the burden of diabetes and equal to the...

Diabetic Retinopathy in Diabetics Referred to a Tertiary Centre from a Nationwide Screening Programme

Diabetic retinopathy (DR) is a leading cause of vision loss in Asia. Singapore has one of the highest prevalence rates of diabetes mellitus (DM) worldwide, with 8.2% of Singapore adults between the ages of 18 and 69 having diabetes and there is little data on the prevalence of diabetic...

A Doctor’s Duty is to Heal the Unhealthy: The Story of Tun Dr Mahathir Mohamad

Mahathir Mohamad was born in 1925 in Alor Setar, Kedah. In 1947, after living through the turbulent times of the Second World War, he entered the King Edward VII College of Medicine in Singapore. He graduated in 1953, and was in government service for the next 4 years before...

Concurrent Chemoradiotherapy followed by Surgery in Locally Advanced Squamous Cell Carcinoma of the Oesophagus: A Single Centre Experience

Carcinoma of the oesophagus is a relatively uncommon malignancy in Singapore and incidence rates have been declining since 1968. A total of 506 cases were diagnosed from 1993 to 1997. The age-standardised rate for the same period was 5.8 per 100,000.1 The predominant histologic type is squamous cell carcinoma,...

Acceptance of Prophylactic Surgery and Chemoprevention of Cancer in Singapore – A Survey

The Singapore healthcare philosophy aims to establish a healthy population through preventive healthcare programmes and public health education. Public education usually emphasises the adverse consequences of harmful habits like smoking, alcohol consumption, poor dietary habits and sedentary lifestyles that may contribute to chronic and fatal diseases such as ischaemic...

Concerns, Perceived Impact and Preparedness in an Avian Influenza Pandemic – a Comparative Study between Healthcare Workers in Primary and Tertiary Care

The danger posed by emerging infectious diseases has become greater in the past few years with the World Health Organization (WHO) warning that the threat of an avian influenza (AI) pandemic is imminent. Healthcare institutions are expected to be key players during a pandemic, with healthcare workers (HCWs) at...

Concomitant Use of Midazolam and Buprenorphine and its Implications Among Drug Users in Singapore

Benzodiazepines (BDZs) (commonly known as “sleeping pills”) are routinely and successfully used in the treatment of sleep and anxiety disorders. However, studies have indicated that BZD use among injecting drug users (IDUs) constitutes a major clinical and public health problem. Misuse has been linked to higher rates of risk-taking...

A Brief History of Pathology and the Chapter of Pathologists

A history of the Chapter of Pathologists would be incomplete without a history of the specialty of Pathology in Singapore. Pathology is in fact the first specialty practiced in Singapore. This was due to the seriousness of the public health situation and infections like water borne diseases in Singapore...

From the Chapter of Physicians, Academy of Medicine, Singapore to the College of Physicians, Singapore

The transformation of the previous Chapter of Physicians, Academy of Medicine, Singapore to the current College of Physicians, Singapore in 2004 was the outcome of a steady progress in and a natural evolution of medical specialty development in Singapore. Just like the Academy which was established in 1957 as...

From the Chapter of Anaesthetists to the College of Anaesthesiologists, Singapore

The arrival of Sir Stamford Raffles in 1819 herald the birth of western medicine in Singapore. Doctors were then sent here from Britain. These early doctors were ‘jack of all trades’ practising everything from public health to pathology. They had difficulties communicating with the locals and had little knowledge...

Academy of Medicine, Singapore – The Next Twenty-Five Years (1982-2007)

The Academy of Medicine was founded in 1957 as the professional corporate body of medical and dental specialists in Singapore. From a modest beginning with only 34 members, it has since grown in membership, activities, stature and international reputation. Of special mention among the major activities in the first...

The Role of Surgery in High-grade Glioma – Is Surgical Resection Justified? A Review of the Current Knowledge

High-grade glioma (malignant glioma) is the most common primary intra-axial tumour of the central nervous system (CNS). Despite recent therapeutic advances in glioma treatment, the outcome for high-grade glioma has been disappointing. The first reported case of glioma resection was performed by Rickman Godlee in 1884.1 More than a...

Epidemiology, Management and Treatment Outcome of Medulloblastoma in Singapore

Medulloblastoma (MBL) is the most common type of malignant brain tumour in childhood. It belongs to the group of tumours known as primitive neuroectodermal tumour (PNET), which is a highly malignant, small round blue cell tumour of the central nervous system. The term “medulloblastoma” is classically reserved for PNETs...

Timing of Hospital Presentation After Acute Cerebral Infarction and Patients’ Acceptance of Intravenous Thrombolysi

Intravenous thrombolysis in acute cerebral infarction has been proven to be efficacious in improving functional outcome if given within 3 hours from stroke onset.1 Singapore recently received national licensing for the use of intravenous thrombolysis for this indication. Delay in hospital presentation is an important hindrance to the administration...

Survival of Small-cell Lung Cancer and its Determinants of Outcome in Singapore

Lung cancer is the leading cause of cancer mortality around the world.1 Small-cell lung cancer (SCLC) constitutes about 15% to 25% of all lung cancer cases in North America and Europe.2,3 In contrast, SCLC constitutes a smaller percentage of lung cancer cases in Asian countries. In a Taiwanese hospital,...

Demographic and Clinical Features of 150 Pathological Gamblers Referred to a Community Addictions Programme

Pathological gambling has been defined as a persistent and recurrent maladaptive gambling behaviour that disrupts personal, family and work life. The diagnosis is not made if the gambling behaviour is better accounted for by a Manic Episode .1 Diagnostic criteria are similar to those for substance dependence and include...

Successful Rehabilitation With Cochlear Implant in Post-irradiation Induced Hearing Loss in Nasopharyngeal Carcinoma Patient

Nasopharyngeal carcinoma (NPC) is a common disease in Asia.1 Radiotherapy is the mainstay of treatment. Following radiotherapy, complications like profound sensorineural hearing loss may occur. If functionally active auditory fibres survive and there are no signs of recurrent tumour, we believe that successful rehabilitation is possible with a cochlear...

A Prospective Cohort Study on the Impact of a Modified Basic Military Training (mBMT) Programme Based on Pre-enlistment Fitness Stratification Amongst Asian Military Enlistees

Basic military training (BMT) is seen as a vital initiation phase into military service when new recruits are conditioned to the rigours of military training in terms of physical and combat fitness. This training period assumes a great significance in Singapore where all able-bodied males between the ages of...

Retinoblastoma: A Recent Experience at the National University Hospital, Singapore

Retinoblastoma is the most common primary intraocular malignancy in infants and children.1 Worldwide, the incidence is 1 in 18,000 to 34,000 live births with an estimation of 5000 to 8000 new cases.2,3 The Singapore Childhood Cancer Registry (SCCR), a hospital based cancer registry that includes all children less than...

Where the Elderly Die: The Influence of Socio-Demographic Factors and Cause of Death on People Dying at Home

The subject of place of death was brought to the forefront of the medical community in July 2004 when 2 important publications were released; one by the World Health Organization1 and another from the House of Commons Select Committee on Health.2 Both reports highlighted that the proportion of deaths...

Trends in Importation of Communicable Diseases into Singapore

Singapore is a city-state in Southeast Asia, with a total population in 2007 of 4,839,400, of which 3,642,700 (75.3%) are Singaporean residents. The remaining 25% constitute of immigrant workers on work permit, foreigners on employment pass, and student pass holders. This article is available only as a PDF. Please click...

Acceptance of Information and Communication Technologies for Healthcare Delivery: A SingHealth Polyclinics Study

Information and communication technologies, such as internet portal and short message system (SMS), are increasingly used in healthcare delivery worldwide.1,2 Typically, these technologies are used to facilitate or enhance communication and exchange of information between patients and doctors or other health professionals. Both healthcare consumers and providers can benefit...

Are New Resuscitation Guidelines Better? Experience of an Asian Metropolitan Hospital

Out-of-hospital cardiac arrest (OHCA) is a substantial public health burden that has poor prognosis. Patients who receive “good” and “high-quality” cardio-pulmonary resuscitation (CPR) have better outcomes. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

An Eight Year Review of Exercise-related Cardiac Arrests

Exercise-related cardiac arrest is uncommon, however it is devastating when it occurs in otherwise healthy adults. In young adults, vigorous physical exercise trigger cardiac arrest in those affected by silent congenital cardiovascular conditions. In older adults, sudden vigorous physical exercise increases the incidence of acute coronary events in those...

Timing of Arrival to a Tertiary Hospital after Acute Ischaemic Stroke – A Follow-up Survey 5 Years Later

Intravenous tPA is a proven treatment for acute ischaemic stroke. However as it has to be given in a narrow time window from symptom onset, utilisation is limited by delayed arrival of most patients to hospital. This article is available only as a PDF. Please click on “Download PDF” on...

The Need for a System of Prognostication in Skeletal Metastasis to Decide Best End-of-life Care – A Call to Arms

Decisions regarding potential surgery for metastatic disease are influenced by estimates of patient survival. For example, patients with long life expectancy may be appropriately treated with extensive resection and durable reconstruction to provide long lasting function and mobility; in contrast, a patient with a very short life expectancy may...

Diagnostic Accuracy of Anthropometric Indices for Obesity Screening Among Asian Adolescents

Obesity or excess body fat is strongly associated with enhanced risks of morbidity and mortality, and its prevalence is rapidly escalating worldwide. Despite these concerns, no standard definition of obesity for screening, diagnosis and subsequent intervention has been agreed upon internationally. The current definitions are mostly defined statistically, and...

Vascular Endothelial Growth Factor C as a Predictor of Early Recurrence and Poor Prognosis of Resected Stage I Non-small Cell Lung Cancer

Non-small-cell lung cancer (NSCLC) is the leading cause of cancer-related deaths worldwide, with a 5-year survival of around 15%. Approximately 20% of patients present with stage I disease (T1N0M0 or T2N0M0) and undergo potentially curative surgical resection. However, approximately 30% to 40% of patients with stage I NSCLC after...

Health-related Quality of Life is Associated with Diabetic Complications, but not with Short-term Diabetic Control in Primary Care

Type 2 diabetes mellitus is a major chronic disease globally. With increasing life expectancy, long-term complications of diabetes mellitus leading to significant morbidity and mortality have great impact on each patient’s health. Health-related quality of life refers to a person’s self-perceived functioning and well-being, and is increasingly used to...

Quality of Life in Pathological Gamblers in a Multiethnic Asian Setting

Pathological gambling is categorized under the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV-TR) as an impulse control disorder not elsewhere classified. The disorder is characterised by an excess preoccupation with gambling, need to gamble with increasing amounts of money in order to achieve the desired excitement,...

Causes of Death in Hospitalised Human Immunodeficiency Virus (HIV)-infected Patients at a National Referral Centre in Singapore: A Retrospective Review from 2008 to 2010

The advent of the highly active antiretroviral therapy (HAART) era has greatly reduced the mortality and incidence of new diagnoses of acquired immune deficiency syndrome (AIDS)-defining illnesses (ADIs) in individuals infected with human immunodeficiency virus (HIV) in many countries. This has led to a paradigm shift in the management...

Causes of Death and Factors Associated with Early Death Among Human Immunodeficiency Virus (HIV)-Infected Persons in Singapore: Pre-Highly Active Antiretroviral Therapy (HAART) and Peri-HAART

Since the first case of human immunodeficiency virus (HIV) was diagnosed in Singapore in May 1985, a total of 4845 cases and 1389 HIV/acquired immune deficiency syndrome (AIDS) deaths have been reported as of December 2010. With the introduction of highly active antiretroviral therapy (HAART), AIDS diagnoses declined by...

Melanoma: Differences between Asian and Caucasian Patients

Cutaneous melanoma is the most common cause of mortality amongst skin cancer in Caucasian populations and incidence rates per 100,000 patient years vary between 21.9 in the United States to 55.9 in Australian males. In contrast, the incidence of melanoma in Asia is significantly lower with incidence rates of...

Overcoming Barriers to Mammography Screening: A Quasi-randomised Pragmatic Trial in a Community-based Primary Care Setting

Breast cancer is the leading cancer among women in Singapore, accounting for 29% of all cancers occurring in women between 2006 and 2010. Evidence shows that breast cancer screening with mammography is effective at reducing breast cancer mortality, particularly where the uptake of screening is high, at a recommended...

Hoarding in an Asian Population: Prevalence, Correlates, Disability and Quality of Life

Hoarding is defined as the acquisition of, and inability to discard items even though they appear to others to have no value, leading to clutter, distress, and disability. The clutter in severe hoarding precludes the use of space to accomplish the activities for which they were designed, such as...

Antibiotic Therapy and Clinical Outcomes of Pseudomonas Aeruginosa (PA) Bacteraemia

Pseudomonas aeruginosa (PA) is a virulent nosocomial pathogen and PA bacteraemia is associated with high mortality ranging from 18% to 59%. It is ranked among the top 3 gram-negative bacteria associated with bacteraemia. It is commonly reported in patients with cancer and in intensive care units (ICUs). PA bacteraemia...

Clinical Outcome and Cost Comparison Between Laparoscopic and Open Appendicectomy

Acute appendicitis is one of the most common causes of acute abdominal pain requiring surgical intervention. The traditional operation of choice was the open appendicectomy (OA) pioneered by McBurney in 1894. In 1981, the laparoscopic technique was introduced by Kurt Semm and since then, laparoscopic appendicectomy (LA) is increasingly...

Neonatal and Paediatric Extracorporeal Membrane Oxygenation (ECMO) in a Single Asian Tertiary Centre

Extracorporeal membrane oxygenation (ECMO) is a cardiopulmonary bypass technique (CPB) introduced by Bartlett in 1972, which provides life-saving support in patients with refractory yet reversible cardiorespiratory failure until organ recovery or organ transplantation. Since the first report of successful ECMO support in an adult was published by Hill in...

Osteogenic Sarcoma in Children and Young Adults

Osteogenic sarcoma (OS) is a primary malignant tumour of the bone, derived from primitive bone-forming mesenchyme and characterised by the production of osteoid tissue or immature bone by the malignant proliferating spindle cell stroma. Although primary bone tumours are rare in childhood, they are the sixth most common malignant...

A 10-Year Profile of Trauma Admissions Caused by Interpersonal Violence: A Major Trauma Centre’s Experience

The World Health Organization (WHO) has divided violence into 3 categories: interpersonal violence, self-directed violence, and collective violence. Violence is defined as “the intentional use of physical force or power, threatened or actual, against oneself, another person, or against a group or community, that either results in or has...

Single Centre Experience of Transjugular Liver Biopsy in 152 Patients

The first reported case of liver biopsy was recorded in 1883 by Ehrlich. Since then, the technique of liver biopsy has been modified tremendously with major advances over the last 50 years, allowing safer and more reliable methods of performing liver biopsy. This article is available only as a PDF....

Singapore Rhabdomyosarcoma (RMS) Experience: Shall We Change Our Practice?

Rhabdomyosarcoma (RMS) constitutes nearly 4% of all children diagnosed with cancer in the ethnically diverse small island city of Singapore. It is the most common primary soft tissue malignancy of childhood and one which is highly sensitive to chemotherapy and radiation therapy leading to excellent overall survivals. In KK...

Projecting the Number of Older Singaporeans with Activity of Daily Living Limitations Requiring Human Assistance Through 2030

Similar to other developed countries in Asia, including Japan, South Korea and Taiwan, the population of Singapore is ageing rapidly. In 2011, 9.3% of the population was 65 years of age or older. Due in part to decades of sub-replacement level fertility rates and increases in longevity, by 2030...

Determinants of Health-Related Quality of Life Among Community Dwelling Elderly

Singapore is experiencing an unprecedented age shift as the post-war baby boomers turn 65 years in 2012. Currently there are 378,700 people aged 65 and above, and these numbers are estimated to go up to 600,000 by 2020. These growing elderly population have multiple coexisting medical conditions which are...

A Review of Back Injury Cases Notified to the Ministry of Manpower from 2011 to 2012

Work-related low back disorders consist of both low back pain (LBP) and low back injuries. They are a significant and increasing problem all over the world. Studies estimate that between 60% and 90% of people will suffer from low back disorders at some point in their life. Among the...

Neonatal Outcome of the Late Preterm Infant (34 to 36 Weeks): The Singapore Story

Neonatologists were caught looking the other way in the early part of the millennium. While they were keenly following the progress of extreme preterms and their travails, preterms born at the other end of the spectrum were being quietly ignored as “well babies”. In July 2005, the National Institute...

Epidemiology and Clinical Evolution of Liver Cirrhosis in Singapore

Cirrhosis is the common end result of chronic damage to liver parenchyma caused by a variety of liver diseases. It results in replacement of liver tissue by fibrotic scar tissue and regenerating nodules, leading to progressive liver dysfunction and clinical complications such as portal hypertension, hepatocellular carcinoma (HCC), liver...

Academic Medicine Education Institute (AM∙EI): Transforming the Educational Culture of Health Professionals

In 2010, Duke-NUS Graduate Medical School (Duke-NUS) and Singapore Healthcare Services (SingHealth) launched an initiative to improve the lives of patients by combining their individual strengths to become an integrated academic healthcare cluster. This new academic healthcare cluster has a mission to provide outstanding clinical service, discover and promote...

An External Independent Validation of APACHE IV in a Malaysian Intensive Care Unit

Over the past 30 years, different versions of severity of illness scoring systems and prognostic models have been developed for prediction of patient outcomes in critical care. These physiological-based systems and models allow patients to be stratified according to their severity of illness and provide prediction of in-hospital mortality....

Evolution and trends in the adoption of laparoscopic liver resection in Singapore: Analysis of 300 cases

Over the past few decades, the introduction of laparoscopic surgery has been the biggest game changer in abdominal surgery.1 However, although the first laparoscopic liver resections (LLR) were reported in the early 1990s,2,3 widespread adoption of LLR was met with initial skepticism due to technical concerns and the fear...

Heterogeneity of non-cystic-fibrosis bronchiectasis in multiethnic Singapore: A prospective cohort study at a tertiary pulmonology centre

Bronchiectasis is a chronic lung disease of significant morbidity and mortality. The pathological hallmarks of the disease are abnormal dilatation of airways resulting from recurrent inflammation, airway obstruction and mucous plugging. The past 2 decades have seen a significant increase in its prevalence, exceeding the threshold of 5 per...

Survival and Predictors of Mortality in Acute Kidney Injury Patients Treated with Sustained Low Efficiency Dialysis

Approximately one in ten patients admitted to an intensive care unit (ICU) develops acute kidney injury (AKI), an important complication of ICU patients, and requiring renal replacement therapy (RRT). It is well known that AKI contributes to mortality and chronic kidney diseases which result in health and economic burdens....

Assessing the Content Validity of the EQ-5D Questionnaire Among Asians in Singapore: A Qualitative Study

EQ-5D is a tool to measure and value health status. It is a standardised questionnaire that comprises 2 components: a Descriptive System (DS) on the first page and a hash-marked visual analogue scale (EQ-VAS) on the second page. Importantly, responses to the DS can be converted into a utility...

Transcatheter Aortic Valve Implantation in Singapore: Reflecting on the First Decade

Transcatheter aortic valve implantation (TAVI) has markedly changed the way aortic valve stenosis is treated. It is 18 years since the first patient was treated with TAVI for severe aortic stenosis. The original concept of TAVI was simple: insert a stent-like device by creating an opening in the obstructed...

Comparative Analysis of Symptomatic and Asymptomatic SARS-CoV-2 Infection in Children

Singapore confirmed its first case of COVID-19 on 23 January 2020 in a Chinese national from Wuhan, and its first paediatric case on February 4, 2020. As of 24 July 2020, Singapore has reported 49,071 cases of COVID-19. Singapore initiated a comprehensive surveillance, testing and contact tracing strategy as...

Impact of cardiovascular diseases on severity of COVID-19 patients: A systematic review

Coronavirus disease 2019 (COVID-19) has spread rapidly from China to other countries around the world, with the World Health Organization characterising it as a global pandemic on 12 March 2020. The number of fatalities owing to COVID-19 is escalating rapidly. COVID-19 is caused by the Severe Acute Respiratory Syndrome...

Obesity in COVID-19: A Systematic Review and Meta-analysis

Coronavirus disease 2019 (COVID-19) is an ongoing global pandemic infection by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). It is established that increasing age and comorbidities such as cardiovascular diseases are associated with risk of infection, more severe disease and adverse outcomes. Obesity is an epidemic globally, causing...