Related Articles

Prevalence of complexity in primary care and its associated factors: A Singapore experience

As Singapore’s population ages, the incidence of non-communicable chronic diseases will rise in tandem.1 There exists a subset of individuals, oftentimes elderly with multiple chronic conditions, whose care needs are particularly complex.2 While there is no universal definition of a person with complex needs, these individuals have been found...

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...

Traction alopecia in women: An under-recognised cause of hair loss

Dear Editor, Alopecia ranks among the most common clinical complaints encountered by dermatologists.1 In particular, affected women often experience great psycho-emotional stress leading to a reduction in quality of life.2 We conducted a prospective epidemiological study conducted over 77 weeks from 1 August 2022 to 23 January 2024 at an outpatient...

Journey towards a smoke-free nation

“A journey of a thousand miles begins with a single step.” Singapore’s journey towards a smoke-free society started early in the 1970s when legislations were introduced to restrict smoking in certain public spaces and ban tobacco advertising.1 The National Smoking Control Programme was launched in 1986 with important objectives...

Factors influencing smoking cessation: Insights from Singapore’s nationwide health and lifestyle survey

The global prevalence of smoking has declined over the years. According to authors utilising data from the Global Burden of Disease, Injuries, and Risk Factors Study, from 1990 to 2020, the number of male smokers fell by 27.2%, whereas female smokers fell by 37.9%.1 Moreover, the decline in smoking...

Evolving landscape of sports injuries and recommendations on injury preventions: A retrospective analysis in Singapore

Dear Editor, Sports have become increasingly integral to the daily lives of Singaporeans. According to the National Sport and Exercise Participation Survey, the percentage of Singaporeans exercising weekly rose from 54% in 2015 to 73% in 2023.1 While this surge in sports activities brings numerous health benefits, it also results...

Seroprevalence of cytomegalovirus over the last 2 decades (2001–2020): A retrospective data analysis from a single laboratory in Singapore

Dear Editor, Cytomegalovirus (CMV) is ubiquitous and infects human of all ages, where it remains latent after primary infection and can reactivate upon various triggers.1 Reactivated CMV may cause complications and end organ damages in immunocompromised hosts, leading to increased morbidity and mortality.2 In addition, the presence of actively replicating...

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...

Diagnostic performance of classification criteria for systemic lupus erythematosus: A validation study from Singapore

Systemic lupus erythematosus (SLE) is a multisystem autoimmune disease with a broad spectrum of clinical presentation.1 Clinical diagnosis by rheumatologists remains the gold standard, but the diagnosis is often challenging due to variability in disease expression mimicking other conditions. As such, classification criteria have been developed to establish homogeneous groups...

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...

Illicit drug consumption in Singapore: Where are we in the fight against drugs?

Illicit drug consumption is associated with significant negative health, financial and social consequences. Yet, illicit drug consumption remains highly prevalent and continues to be a growing problem worldwide. In 2021, 1 in 17 people aged 15–64 in the world had used a drug in the past 12 months. Notwithstanding...

Patient’s degree of adherence, challenges & preferences towards medicine taking (PACT) in Singapore

Dear Editor, Medication nonadherence is a prevalent public health problem that compromises patients’ health outcomes and increases healthcare expenditures.1 Studies in Singapore showed that 25.7%–38.9% of patients are nonadherent.2,3 Studies investigating the association between patients’ reasons for nonadherence and their preferences towards adherence enablers are limited. We aimed to (1)...

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...

Direct oral anticoagulant: Looking beyond convenience

Since the 2010 Food and Drug Administration approval of Dabigatran as the first non-vitamin-K antagonist oral anticoagulants or direct oral anticoagulants (DOACs) as it is now more commonly referred to, there has been much development in the field with increasing availability of different DOACs and an expansion in indications...

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...

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 treatment market is estimated to worth USD22.93 billion in 2025. Patients with functional constipation had the highest treatment dissatisfaction at 63.4%. Poor satisfaction was reported...

Singapore’s experience in managing the COVID-19 pandemic: Key lessons from the ground

In the early days of the pandemic when information on COVID-19 infection was lacking, all COVID-19 positive patients were admitted into acute hospitals for isolation and monitoring. With the exponential increase in the number of infections, COVID-19 Treatment Facilities (CTFs) were set up to help hospitals manage in-patient loads....

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 Patients may experience hypothermia, acute respiratory distress syndrome and shock.1 The pathophysiology is poorly understood, but could relate to physiological responses to temperature, water swallowing...

Risk and protective factors of mental health during the COVID-19 pandemic: A cross-sectional study in Singapore

The COVID-19 pandemic has significantly impacted people’s well-being globally.1 Individuals faced several stressors during the pandemic, including fear of contracting the disease, experiencing severe symptoms of COVID-19, losing loved ones to the disease, financial insecurity, and social isolation. Furthermore, children and youths experienced disruption to their usual routine such...

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 on not only deadly diseases, but also on the quality of life and sexual functions of men and women. Digital media also play a considerable...

Immune and coagulation profiles in 3 adults with multisystem inflammatory syndrome

A spectrum of immune dysregulation has been described following SARS-CoV-2 infections—from the cytokine storm in the acute phase, to hyperinflammatory syndromes that occur after the resolution of the initial infection.1 Multisystem inflammatory syndrome (MIS) was first reported in children in April 2020 as a hyperinflammatory syndrome with features similar...

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 skin manifestations, to a potentially life-threatening complex condition of multiple organ involvement. In the recent decade, the discovery and addition of novel autoantibody profiles including...

Antiphospholipid and other autoantibodies in COVID-19 patients: A Singapore series

Dear Editor, Thrombosis is an unexpected complication of COVID-19 initially reported in 3 patients from China.1 These patients tested positive for immunoglobulin (Ig) A anticardiolipin (ACA), IgG anti-β2-glycoprotein I antibodies (aβ2GPI) and IgA aβ2GPI, though not for the lupus anticoagulant (LAC). In a Singapore study comprising 47,527 patients, 19 (0.04%) developed...

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 8.5% in 2014.1 DM has been shown to be a common comorbidity in heart failure (HF) patients ranging from 4.3–28%2 and when present, portends a...

Global monkeypox outbreak 2022: First case series in Singapore

Monkeypox has been declared a public health emergency of international concern. Up until 2022, most cases of monkeypox have been reported in parts of Africa. On 7 May 2022, a returning traveller from Nigeria to the UK was confirmed to have contracted monkeypox. By the end of May 2022,...

The global emergence of monkeypox

Monkeypox is so named because the poxvirus was first identified in 2 outbreaks among cynomolgus monkeys housed at the Statens Serum Institut, Denmark, in 1958.1 Both outbreaks occurred approximately 2 months after the monkeys arrived by plane from Singapore.1 However, the natural reservoir of the virus is not monkeys...

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...

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 of CHB, regular surveillance with blood tests is necessary to ensure early detection of complications such as cirrhosis and hepatocellular carcinoma in patients. Our study...

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...

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 speech. Physical examination revealed generalised weakness. Initial blood tests showed raised total white cell count, raised erythrocyte sedimentation rate at 35mm/h and fasting low-density lipoprotein...

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 the blind due to glaucoma reside in Asia, the majority being Chinese. This article is available only as a PDF. Please click on “Download PDF” on...

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 features received little attention until 1936 when Heerfordt’s syndrome of uveitis, salivary gland enlargement and cranial nerve palsies was recognised as a sign of sarcoidosis. This...

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 studies on Caucasian, Black or Hispanic children with relatively little information on Asian children including Chinese and Malays. This article is available only as a PDF....

Patients Admitted to an Intensive Care Unit for Poisoning

The study of poisoning has been relatively neglected in Singapore. A check through the Infogate database of the National University of Singapore Library revealed only seven papers on the epidemiology of poisoning since 1975 (the earliest year covered by the database) and none targeting those severe enough to require...

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...

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 and pathological observations in patients with advanced disease. Today, more than a century later, advanced imaging techniques and biochemical tests have allowed us to identify...

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. The first documentation of familial systemic disease was by Orabona and Albano who reported its occurrence in two sisters some five years later. This article is...

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 was first described by Windom et al. This article is available only as a PDF. Please click on “Download PDF” on top to view the full...

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 makes it imperative that a philosophy of maintaining the patient’s physical, psychological, and functional abilities as long as possible through an ongoing carefully planned treatment...

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 the upper gastrointestinal tract (GIT) are well known and well described. This article is available only as a PDF. Please click on “Download PDF” on top...

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 and lower back. There was no antecedent trauma. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

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 (JCA). Inflammation is decreased locally and with minimal systemic side effects. This article is available only as a PDF. Please click on “Download PDF” on top...

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

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 gout), followed in about 10% of patients by chronic tophaceous gouty arthritis. Gout is one of the better understood of the arthritic disorders, and certainly...

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 whom 18 homozygotes of Type II hyperlipidaemia were identified. Ten of these patients experienced a migratory polyarthritis resembling rheumatic fever. This article is available only as...

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 in 1800, the term rheumatoid arthritis was first used only in 1878 by Alfred Garrod. This article is available only as a PDF. Please click on...

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, and heart. The American College of Rheumatology has proposed that for the purpose of clinical trials and surveys, the diagnosis is made if the patient...

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 and advances in technology in imaging and interventional radiology today enable more precise and earlier detection, assessment and treatment. This article is available only as a...

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 function of proteins present on cell surface. This article is available only as a PDF. Please click on “Download PDF” on top to view the full...

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 in 8 patients with generalised illness associated with segmental necrotising glomerulonephritis. This was followed two years later by a report by Hall and co-workers of...

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 secondary to the removal of self-reactive T cells during development and maturation in the thymus of the immune cells - clonal deletion. This article is available...

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 of autoantibodies and immune complexes can lead to tissue injury. This article is available only as a PDF. Please click on “Download PDF” on top to...

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 as well as a plethora of autoantibodies in the sera of patients. The clinical features of SLE vary in different population groups. Ethnic and genetic...

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 mechanisms underlying this disease. Over the past 30 years, several mouse models of lupus bearing differing sets of phenotypes and genotypes, have collectively contributed a...

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 statistics. In Australia, for example, arthritic and related musculoskeletal diseases may not dominate mortality statistics but they figure in the top three causes of acute...

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, SSA, SSB and dsDNA may give rise to a positive antinuclear antibody (ANA) test. This article is available only as a PDF. Please click on “Download...

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 outcomes but is associated with considerable morbidity, and their role in the management of lupus nephritis is not universally accepted. This article is available only as...

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 that its nosologic entity presenting in adulthood was recognised by Eric Bywaters. Since then, well over 300 cases have been reported in the literature worldwide. This...

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 pylori gastritis, and the new information regarding its molecular biology. Nevertheless, gastric cancer remains the second commonest cancer in the world in terms of morbidity...

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 first sign is the presence of a single lesion, 2 to 5 cm in diameter known as a “herald patch”. This article is available only as...

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...

Cross-Sectional Study of Near-work and Myopia in Kindergarten Children in Singapore

Myopia is the commonest eye disease worldwide, and is especially prevalent in certain Asian countries such as Taiwan, Japan and Hong Kong. Physiologic myopia is thought to be a multifactorial disease with both genetic and environmental factors. This article is available only as a PDF. Please click on “Download PDF”...

Granuloma Annulare: A Review of 41 Cases at the National Skin Centre

Granuloma annulare (GA) is a benign, inflammatory disorder of the skin that has no proven aetiology or widely accepted theory of pathogenesis. There are several clinical manifestations, ranging from localised GA, which is the commonest form and is characterised by erythematous or flesh-coloured papules in an annular arrangement, to...

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...

The Genetics of Spondyloarthropathies

The spondyloarthropathies (SpA) comprise a heterogenous group of conditions that include ankylosing spondylitis (AS), psoriatic arthritis, reactive arthritis/Reiter’s syndrome, arthritis associated with inflammatory bowel disease and pauciarticular, late-onset juvenile chronic arthritis. Undifferentiated forms of the disease are also present. This article is available only as a PDF. Please click on...

Myopia: Gene-environment Interaction

Myopia affects up to 70% of adults in Singapore, Taiwan, Hong Kong and Japan. The prevalence rates in these Asian countries are higher than those among Caucasians and Blacks in the United States and Europe. This article is available only as a PDF. Please click on “Download PDF” on top...

Incidence of Ischaemic Heart Disease and Stroke in Chinese, Malays and Indians in Singapore: Singapore Cardiovascular Cohort Study

Comparisons of disease frequency in different ethnic groups help to unravel the contributions of nature and nurture in their aetiology and to identify environmental or lifestyle factors that may be involved. This is aided when the ethnic groups live in the same country, so that differences in completeness and...

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.

An Audit of Patients with Rheumatic Disease Requiring Medical Intensive Care

Patients with rheumatic disease are often immunocompromised as a result of either their disease or treatment. They may become ill either from a flare of their autoimmune disease or from complications of treatment, at times requiring intensive care. This article is available only as a PDF. Please click on “Download...

New Disease Modifying Agents in Adult Rheumatoid Arthritis

Rheumatoid arthritis (RA) is a systemic autoimmune disease characterised by symmetrical inflammatory arthritis. Most patients exhibit a chronic course. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

New Cyclooxygenase Inhibitors

Cyclooxygenase inhibitors are non-steroidal anti-inflammatory drugs (NSAIDs). They have been used in the treatment of rheumatic diseases for several decades. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

10th Seah Cheng Siang Memorial Lecture: Going Places—A Rheumatological Odyssey

I am greatly honoured to deliver the 10th Seah Cheng Siang memorial lecture. I came into direct contact with Professor Seah in January 1965 when I joined the then Thomson Road General Hospital as his senior registrar. This article is available only as a PDF. Please click on “Download PDF”...

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...

Immunotherapy in Autoimmune Diseases

In the early 1700s, Lady Mary Wortley Montagu, wife of the British ambassador to Turkey, introduced the practice of variolation against smallpox into Western Europe. This act of immunisation had since been better understood. This article is available only as a PDF. Please click on “Download PDF” on top to...

Sexually Transmitted Diseases in the Older Population in Singapore

Sexually transmitted diseases (STDs) in persons older than 50 years are rarely studied because STDs are more common in young people. There is very little published data focussing on this group of patients which is relevant to Singapore or this part of the world. This article is available only as...

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...

Outcome of Pregnancy in Asian Women with Systemic Lupus Erythematosus: Experience of a Single Perinatal Centre in Singapore

Systemic lupus erythematosus (SLE) is a chronic systemic connective tissue disease with a reported prevalence of 5 to 100/100,000. Women are affected much more commonly than men (ratio 9:1), particularly those in the child-bearing age (15:1). This article is available only as a PDF. Please click on “Download PDF” on...

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.

Bullous Pemphigoid Seen at the National Skin Centre: A 2-year Retrospective Review

Bullous pemphigoid (BP) is an autoimmune subepidermal blistering disorder affecting mainly the elderly. It is characterised by autoantibodies to the basement membrane zone (BMZ), which are detectable on immunofluorescent studies. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Clinical Update on Osteoporosis

Fractures, the most serious complication of osteoporosis, are increasing and constitute an evolving public health problem in terms of disability, mortality and cost. A paradigm shift in the management of osteoporosis has resulted from the development of techniques which can diagnose osteoporosis before fractures occur, and effective medications which...

The Bone and Joint Decade 2000-2010: For Prevention and Treatment of Musculoskeletal Disease

The theme of this issue of the Annals, Academy of Medicine at the beginning of the year is suitably on osteoporosis. Osteoporosis, with its multi-faceted, multidisciplinary approach, has been identified as one of the four clinical fields selected also for emphasis by the Bone and Joint Decade initiative. This article...

Steroid-induced Osteoporosis

Corticosteroids are known to affect bone through multiple pathways (Fig. 1), influencing both bone formation and bone resorption, and these mechanisms have been reviewed. The most important effects appear to be on bone formation due to direct effects on cells of the osteoblastic lineage although indirect effects related to...

An Asian Perspective to the Problem of Osteoporosis

Osteoporosis is regarded as an important public health problem in many Caucasian populations. Much of the research on epidemiology, diagnosis, treatment, genetic and molecular aspects has been carried out in the West. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

Primary Meningococcal Arthritis and Endogenous Endophthalmitis: A Case Report

Primary meningococcal arthritis (PMA) and endogenous meningococcal endophthalmitis are both uncommon presentations of meningococcal infection that should be considered in the differential diagnosis of reactive arthritis and acute dermatitis-arthritis syndrome. We describe a case of PMA and meningococcal endophthalmitis occurring together. This article is available only as a PDF. Please...

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...

Intermittent Epoprostenol Infusions in Systemic Lupus Erythematosus Associated Pulmonary Hypertension—A Series of Three Cases

Pulmonary hypertension (PHT) is seen in 0.5% to 14% of systemic lupus erythematosus (SLE) patients and is associated with a grave prognosis. The overall 2-year mortality is more than 50% despite vasodilators, anticoagulants, systemic corticosteroids and cytotoxic drugs. This article is available only as a PDF. Please click on “Download...

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...

Patterns and predictors of sound levels in hospital rooms

Dear Editor,      Excessive sound levels in the hospital can impair the work performance of healthcare professionals and affect patient well-being.1 Previous studies have also linked excessive sound levels with sleep disturbances and cardiovascular morbidity.2 While there have been data published regarding noise levels in the intensive care unit (ICU),3...

Serum Interleukin-2, Interleukin-6, Tumour Necrosis Factor-Alpha and Nitric Oxide Levels in Patients With Behçet’s Disease

Behçet’s disease (BD) is characterised by oral aphthous lesions, genital ulcerations and eye inflammation. The disease was first described by Hulusi Behçet in 1937. Despite the diverse inflictions in different organ systems, vasculitis is perceived as the common basic pathological process in BD. This article is available only as a...

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...

Twin Births in Singapore: A Population-Based Study Using the National Birth Registry

Twin studies are regarded as one of the better ways to study the effects and significance of gene, environment and interactions of both. The study of monozygotic (MZ) and dizygotic (DZ) twins allows for an estimation of the relative importance of genes and environment. This article is available only as...

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...

Eye Injuries in Singapore – Don’t Risk It. Do More. A Prospective Study

The issue of ophthalmic trauma is a major cause for concern. An estimated 55 million eye injuries occur each year worldwide, leaving 1.6 million patients blind from their injuries. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Community-associated Methicillin-resistant Staphylococcus aureus: Overview and Local Situation

The emergence and spread of methicillin-resistant Staphylococcus aureus (MRSA) isolates from the community that are distinct from their archetypal healthcare-associated counterparts (HA-MRSA) marked a critical evolutionary milestone for the organism. In less than 2 decades, particularly in the last 3 years, this initially sporadic phenomenon of community-associated methicillin-resistant Staphylococcus...

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.

Modelling the Utility of Body Temperature Readings From Primary Care Consults for SARS Surveillance in an Army Medical Centre

There has been increasing interest in building surveillance systems capable of detecting outbreaks of infectious diseases, at the stage where clinical presentation would still be undifferentiated. The thrust of such systems is to detect both intentionally induced and naturally occurring outbreaks in their earliest stages, and if possible, at...

Septic Monoarthritis and Osteomyelitis in an Elderly Man Following Klebsiella pneumoniae Genitourinary Infection: Case Report

Despite improved antimicrobial therapy over the past 30 years, there has been little change in the incidence, outcome, or, causative organisms in septic arthritis. Staphylococcus aureus is the commonest cause of septic arthritis and various series reported rates of 17% to 80%. This article is available only as a PDF....

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...

A Review of Clinical Pathway Data of 1663 Total Knee Arthroplasties in a Tertiary Institution in Singapore

Total knee arthroplasty (TKA) has been established as an effective treatment modality for patients with symptomatic knee arthritis. It provides predictable decrement in pain, correction of deformity and improved functional outcomes. This article is available only as a PDF. Please click on “Download PDF” on top to view the full...

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...

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...

The Value of Joint Aspirations in the Diagnosis and Management of Arthritis in a Hospital-based Rheumatology Service

Joint aspiration with synovial fluid analysis can provide information which complements that which is available from the history and physical examination of the patient, and can help to differentiate various causes of arthritis. It is most useful in monoarthritis, where septic arthritis as a medical emergency needs to be...

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...

Lack of Awareness amongst Community Patients with Diabetes and Diabetic Retinopathy: The Singapore Malay Eye Study

Diabetes is a major public health problem, and diabetic retinopathy is the leading cause of blindness in working-aged people.1 Previous studies have documented poor attainment of guidelines of glycosylated haemoglobin (HbA1c) and blood pressure control2 and eye care utilisation3-6 in the prevention of diabetic retinopathy. Studies have also documented...

Pain Prevalence in Singapore

Population studies on pain prevalence are useful in determining the impact that chronic pain has on the society. It draws the attention of healthcare administrators to chronic pain as a problem and direct healthcare spending accordingly. Previous studies performed using variations in definitions and methodology, yielded rates between 10%...

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...

An Update of Paediatric Intussusception Incidence in Singapore: 1997-2007, 11 Years of Intussusception Surveillance

This is an update to the previously published paper by Boudville et al1 on 8 years of intussusception (IS) surveillance in Singapore. IS is a rare but serious gastrointestinal disease in infants and young children.2,3 The focus on natural rotavirus infection as a potential cause of IS followed the...

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...

Forestier’s Disease Presenting as a Retropharyngeal Mass in an Elderly with Dysphagia

Diffuse idiopathic skeletal hyperostosis (DISH), also known as Forestier’s disease, is a non-inflammatory enthesopathy of unknown etiology. Affecting predominantly men, it results in flowing, robust ossification of the anterior longitudinal ligament of the spine. This article is available only as a PDF. Please click on “Download PDF” on top to...

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...

Venous Thromboembolism at the National Healthcare Group, Singapore

Venous thromboembolism (VTE) is a potentially fatal disease which includes deep vein thrombosis (DVT) and pulmonary embolism (PE). About 30% of patients with VTE die within 30 days while 20% suffer sudden death from pulmonary embolism.1 Risk factors commonly seen in hospitalised patients, include immobilization, acute medical illness and...

Evaluation on the Effectiveness of the National Childhood Immunisation Programme in Singapore, 1982-2007

Singapore has a comprehensive National Childhood Immunisation Programme (NCIP) which first covered smallpox (1862), followed by diphtheria (1938), tuberculosis (TB) (1957), poliomyelitis (1958), pertussis and tetanus (1959) and measles and rubella (1976). In October 1985, hepatitis B vaccination was introduced into the programme for babies born to hepatitis B...

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...

Outbreak of Novel Influenza A (H1N1-2009) Linked to a Dance Club

Influenza A (H1N1-2009) is a novel strain of influenza virus. The infection is thought to have first occurred in Mexico in March 2009, and then spread worldwide, resulting in the first influenza pandemic of the 21st century. This article is available only as a PDF. Please click on “Download PDF”...

An Epidemiological Study of 1348 Cases of Pandemic H1N1 Influenza Admitted to Singapore Hospitals from July to September 2009

On 17 April 2009, the US Centers for Disease Control (CDC) determined that febrile respiratory illness occurring in 2 children residing in adjacent counties in southern California was caused by a novel influenza A (H1N1) virus. The virus is thought to be a re-assortment of 4 known strains of...

Outbreak of Pandemic Influenza A (H1N1-2009) in Singapore, May to September 2009

The first cases of infection with a novel influenza A (H1N1) strain were reported in 6 cases in California and 2 cases in Texas in the United States in late April 2009. This was linked to outbreaks of influenza in Mexico, which included reports of large numbers of cases...

Prevalence of Metabolic Syndrome by the Adult Treatment Panel III, International Diabetes Federation, and World Health Organization Definitions and their Association with Coronary Heart Disease in an Elderly Iranian Population

Coronary heart disease (CHD) is one of the most common causes of morbidity and mortality in different communities.1,2 Despite the lack of accurate data, there is evidence to indicate that CHD is increasing in magnitude in Iran.3 While age-adjusted mortality from CHD is gradually decreasing in developed countries,2,4 this...

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...

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...

Policy Implications of The Singapore Mental Health Study

Mental health issues have taken on greater importance with the growing awareness among policy makers of the importance of mental health for the development of human, social and economic capital of a country and the realisation that it is illogical to introduce health-sector reforms without paying due attention to...

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...

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...

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...

Periarticular FDG Uptake on PET/CT in Malignant Melanoma—Metastatic or Misleading?

A 74-year-old male with newly diagnosed melanoma of the right mastoid region, underwent resection of the lesion followed by F-18 fluoro-deoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) for staging. Figure 1 demonstrates a whole body maximal intensity projection image while Figures 2 and 3 show cross-sectional images through the elbows...

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....

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...

Is the Apprehension Test Sufficient for the Diagnosis of Anterior Shoulder Instability in Young Patients without Magnetic Resonance Imaging (MRI)?

A good history and a detailed physical examination is often sufficient to make a diagnosis of a recurrent anterior dislocation of the shoulder, even in the absence of a radiologically documented dislocation of the joint. The anterior apprehension test has recently been supplemented with the relocation, crank, and load...

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...

Acute Onset Polyarthritis with Pitting Edema: Is it RS3PE?

A 48-year-old female presented with pain and swelling in the bilateral proximal interphalangeal (PIP), metacarpophalangeal (MCP) and wrist joints for the past 20 days. It was acute in onset, severe in intensity to such an extent that she was unable to make a fist. It was associated with acute...

Risk Factors for Severe Adenovirus Infection in Children during an Outbreak in Singapore

Human adenoviruses (HAdVs) are well known pathogens that cause a variety of human illnesses. They are non-enveloped, linear double-stranded deoxyribonucleic acid (DNA) viruses. More than 50 distinct serotypes have been identified since the early 1950s. The wide spectrum of symptoms includes upper respiratory tract illness, pneumonia, conjunctivitis, cystitis and...

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...

Impact of unemployment on mental disorders, physical health and quality of life: Findings from the Singapore Mental Health Study

Several reviews and meta-analyses have established an association between unemployment and psychological distress. This relationship between unemployment and mental health is complex and likely bidirectional. On the one hand, unemployment may lead to psychological distress and mental disorders (social causation), but on the other, those with poor mental health...

Health-seeking behaviour of foreign workers in Singapore: Insights from emergency department visits

Singapore employs a large foreign worker (FW) population, defined as non-Singapore citizens and non-permanent residents working locally. Holders of “work permit” (WP), the work pass issued to semiskilled workers, comprise 26.0% of Singapore’s entire labour force. Two other work passes held by FWs, “S pass” and “employment pass”, are...

Accuracy of self-reported height, weight and BMI in a multiethnic Asian population

Overweight and obesity continue to be one of the most critical public health issues worldwide. Body mass index (BMI) derived from height and weight has been directly linked to a number of debilitating diseases, including diabetes, heart disease and cancer, and has gained increased popularity as a measure of...

Incidence and trends of ophthalmic cancer in Singapore: Data from Singapore Cancer Registry

Ophthalmic cancers are commonly encountered in clinical practice and are an important cause of morbidity and mortality. Globally, the incidence of ophthalmic cancers have been increasing in the past 2 to 3 decades.3-6 Data on recent incidence of primary ophthalmic cancers, comprising intraocular and extraocular cancers, have not been...

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...

COVID-19 and Singapore: From Early Response to Circuit Breaker

The COVID-19 pandemic first broke out in Wuhan, China, in December 2019, where a cluster of pneumonia cases was reported and the novel coronavirus later identified. Since then, the virus has spread rapidly across the world, registering a total of 85000 reported cases across 53 countries/territories by 29 February...

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...

Coronavirus Disease 2019 (COVID-19): The Singapore Experience. A Review of the First Eight Months

Singapore reported its first imported case of COVID-19 on 23 January 20201 and its first COVID-19 deaths on 21 March 2020.2 The WHO declared COVID-19 to be a pandemic on 11 March 2020;3 as of 27 October 2020, there have been more than 42 million confirmed cases and 1.1...

Herpes zoster-associated aseptic arthritis in adult patients: A case report

Aseptic arthritis can often be associated with viruses— in the Singapore context—dengue or chikungunya viruses. The association of varicella-zoster virus (VZV) with arthritis however, is rare. Few cases of aseptic arthritis associated with VZV have been documented in the paediatric literature in the past 50 years and fewer still...

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

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 monohydrate crystals in the joints and soft tissue giving rise to an acute inflammatory response. This article is available only as a PDF. Please click on...

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