Original Article
Fetal congenital heart diseases: Diagnosis by anatomical scans, echocardiography and genetic tests
Congenital heart diseases (CHDs) are the most common major congenital anomaly at up to 28%1 and are responsible for 5.7% of all infant mortality.2...
Editorial
Impact of pre-existing depression on severe COVID-19 outcomes
The outbreak of the COVID-19 virus in 2019 had rapidly developed into a global pandemic, causing more than 6.8 million deaths and impacting the...
Commentary
Leveraging ChatGPT to aid patient education on coronary angiogram
Natural-language artificial intelligence (AI) is a promising technological advancement poised to revolutionise the delivery of healthcare.1 Traditionally, inclusion of technology in the augmentation of...
Original Article
Effects of sex on clinical outcomes of hypertrophic cardiomyopathy in Singapore
Hypertrophic cardiomyopathy (HCM) is a common inherited cardiomyopathy.1 The phenotypic expression of HCM is highly diversified with varying extents of myocardial hypertrophy, which can...
Editorial
Promise and pitfalls of ChatGPT for patient education on coronary angiogram
The past decade has seen extraordinary and rapid progress in the field of artificial intelligence (AI), which produces computer systems capable of performing tasks...
Letter to the Editor
Preferences for oral anticoagulant medications for managing atrial fibrillation
Dear Editor,
Stroke prevention in patients with atrial fibrillation (AF) using anticoagulants involves weighing the benefits of reduced ischemic stroke1,2 against the elevated risks of...
Original Article
Risk and protective factors of mental health during the COVID-19 pandemic: A cross-sectional study in Singapore
The COVID-19 pandemic has significantly impacted people’s well-being globally.1 Individuals faced several stressors during the pandemic, including fear of contracting the disease, experiencing severe...
Original Article
Impact of COVID-19 on mental health and social service provision in Singapore: Learnings from a descriptive mixed-methods study for future resource planning
Coronavirus disease 2019 (COVID-19) was declared a global health emergency by the World Health Organization in January 2020.1 Singapore reported its first case of...
Original Article
Comparison of four electrocardiographic criteria for the detection of cardiac abnormalities in Singapore athletes
Sudden cardiac death in athletes during exercise is rare, with an estimated incidence of 1–2 per 100,000 people per year in young athletes,1 and...
Editorial
Impact of COVID-19 on mental health and healthcare service delivery
The COVID-19 pandemic has claimed more than 6.8 million lives globally.2 While there is yet a cure for the disease, vaccines are now available...
Editorial
Improving electrocardiogram interpretation in Asian athletes: A call to action
The field of sports cardiology has evolved substantially over the past 2 decades due to improved understanding of the athlete’s heart, causes of sudden...
Letter to the Editor
Outcomes of selexipag for treatment of pulmonary arterial hypertension in an Asian population
Dear Editor,
Pulmonary arterial hypertension (PAH) is a progressive condition characterised by increased pulmonary arterial pressure and pulmonary vascular resistance, resulting in right ventricular dysfunction...
Letter to the Editor
Suboptimal adherence to medical therapy in patients undergoing lower limb angioplasty in Singapore
Dear Editor,
Chronic limb-threatening ischaemia (CLTI) is the advanced stage of peripheral arterial disease (PAD) and patients with this condition face a very high risk...
Letter to the Editor
Delayed treatment with nirmatrelvir/ritonavir could remain effective in patients with Omicron BA2.2 variant of COVID-19
Dear Editor,
In late February 2022, the Omicron BA.2.2 subvariant drove the outbreak of COVID-19 and rapidly spread through many parts of the world. Omicron-infected...
Letter to the Editor
Rash characteristics of paediatric patients with COVID-19 in Singapore
Dear Editor,
Children with COVID-19 infection can present with a variable spectrum of clinical manifestations, and sometimes mucocutaneous manifestations can be the only manifestation of...
Commentary
Approach to bradyarrhythmias: A proposed algorithm
Bradyarrhythmias are common and occur in both physiological and pathological states. Bradycardia is defined as a heart rate of fewer than 60 beats per...
Original Article
Immune and coagulation profiles in 3 adults with multisystem inflammatory syndrome
A spectrum of immune dysregulation has been described following SARS-CoV-2 infections—from the cytokine storm in the acute phase, to hyperinflammatory syndromes that occur after...
Letter to the Editor
Clinical outcome of bacterial endogenous endophthalmitis in 15 patients
Dear Editor,
Endophthalmitis refers to the inflammation of the ocular cavities and their immediate adjacent structures without extension beyond the sclera, usually secondary to...
Review Article
Ablation therapies for paroxysmal atrial fibrillation: A systematic review and patient-level network meta-analysis
Atrial fibrillation (AF) is a pertinent health condition that is seeing a sustained rise in global incidence and prevalence.1 In particular, paroxysmal AF (PAF),...
Review Article
Combating a resurgence of poliomyelitis through public health surveillance and vaccination
Singapore was certified poliomyelitis (polio)-free by the World Health Organization (WHO) on 29 October 2000, together with 36 other countries in the Western Pacific...
Original Article
Clinical efficacy and long-term immunogenicity of an early triple dose regimen of SARS-CoV-2 mRNA vaccination in cancer patients
The spread of the SARS-CoV-2 virus has led to the ongoing worldwide COVID-19 pandemic. Initial studies have reported an increased vulnerability of patients with...
Editorial
Catheter ablation as first-line treatment for paroxysmal atrial fibrillation
Pharmacotherapy has been the mainstay of atrial fibrillation (AF) treatment. As AF progresses from paroxysmal to persistent, electrical and structural remodelling of the atria...
Editorial
Early COVID-19 booster is beneficial in cancer patients
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and its corresponding coronavirus disease (COVID-19) was first reported as a cluster of pneumonia cases in...
Editorial
Vaccination and surveillance: Two basic tools for a final poliomyelitis eradication
Over the past 3 decades, the Global Polio Eradication Initiative (GPEI) has strived to achieve a poliomyelitis (polio)-free world. Wild poliovirus (WPV) types 2...
Letter to the Editor
A strategy to make COVID-19 vaccination more accessible to the elderly
Dear Editor,
Singapore embarked on the COVID-19 National Vaccination Programme in early 2021. The main modality employed to achieve the mass vaccinations has been the...
Review Article
The Omicron-transformer: Rise of the subvariants in the age of vaccines
The emergence and evolution of SARS-CoV-2 have been publicly tracked in unprecedented detail through a combination of intensive genomic sequencing and open-access sharing of...
Original Article
Multisystem inflammatory syndrome in children in Singapore
While children infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) resulting in coronavirus disease 2019 (COVID-19) have milder manifestations compared to adults,1,2 a...
Editorial
Multisystem inflammatory syndrome in children: A unique manifestation of COVID-19
During the coronavirus disease 2019 (COVID-19) pandemic, children have been relatively spared from the severe symptomatic infection affecting adults, particularly the elderly and those...
Review Article
Managing adult asthma during the COVID-19 pandemic: A 2022 review and current recommendations
Asthma is the most prevalent chronic respiratory disease, estimated to affect more than 300 million people worldwide.1 First recognised in December 2019, the coronavirus...
Original Article
Impact of aortic annular size and valve type on haemodynamics and clinical outcomes after transcatheter aortic valve implantation
The management of severe aortic stenosis (AS) in patients with small aortic annulus (SAA) represents a therapeutic challenge due to the increased mortality and...
Images in Medicine
TB or not TB? The axillary lump question
An 81-year-old woman of healthy weight presented with a 2-week history of a painless right axillary lump. Physical examination revealed a 2cm firm nodule...
Letter to the Editor
Antiphospholipid and other autoantibodies in COVID-19 patients: A Singapore series
Dear Editor,
Thrombosis is an unexpected complication of COVID-19 initially reported in 3 patients from China.1 These patients tested positive for immunoglobulin (Ig) A anticardiolipin...
Original Article
Sex and ethnicity modified high 1-year mortality in patients in Singapore with newly diagnosed atrial fibrillation
Atrial fibrillation (AF) is the most common clinically significant arrhythmia and is associated with increased risks of stroke, dementia, heart failure (HF) and death.1...
Editorial
Different strokes for different folks
Atrial fibrillation (AF) remains the most common arrhythmia since William Harvey’s observation of fibrillating auricles in open chest animal models in 1628. Willem Einthoven...
Letter to the Editor
Teaching and learning during the COVID-19 pandemic: Perspectives of medical students in Singapore
Dear Editor,
The coronavirus disease 2019 (COVID-19) pandemic has resulted in many changes to medical education, including the site and mode of teaching, conducting of...
Original Article
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...
Original Article
Global monkeypox outbreak 2022: First case series in Singapore
Monkeypox has been declared a public health emergency of international concern. Up until 2022, most cases of monkeypox have been reported in parts of...
Editorial
Impact of sex and diabetes in patients with heart failure with mildly reduced ejection fraction
With increasing global awareness of sex differences in the heart failure population and the new entity of heart failure with mildly reduced ejection fraction...
Editorial
The global emergence of monkeypox
Monkeypox is so named because the poxvirus was first identified in 2 outbreaks among cynomolgus monkeys housed at the Statens Serum Institut, Denmark, in...
Letter to the Editor
Iatrogenic atrial septal defect after catheter ablation—to close or not to close?
Dear Editor,
Transseptal access to the left heart is increasingly performed for electrophysiological procedures and for structural heart disease interventions such as balloon mitral valvuloplasty...
Commentary
Cardiac sarcoidosis: Difficulties in diagnosis and treatment
Sarcoidosis is a multisystem, granulomatous disorder of unknown aetiology. It affects the lungs in 90% of cases, but is also known to affect other...
Letter to the Editor
Neuralgic amyotrophy in COVID-19 infection and after vaccination
Dear Editor,
Various neurological manifestations associated with coronavirus disease 2019 (COVID-19) have been described,1 conditions which left a significant proportion of patients with permanent disability....
Letter to the Editor
Attitude towards screening for congenital cytomegalovirus infection in newborns in Singapore
Dear Editor,
Cytomegalovirus (CMV) infection is the most common congenital infection.1 A systematic review that included 77 studies from 36 countries reported that the overall...
Commentary
Congenital cytomegalovirus infection: Advocating for screening and education
Cytomegalovirus (CMV) infection is the leading non-genetic cause of congenital neurosensory hearing loss in children, accounting for 21% of cases of hearing loss at...
Original Article
Epidemiological trends and outcomes of children with aural foreign bodies in Singapore
Aural foreign bodies (FBs) commonly present to the emergency department (ED) worldwide. Children represent the majority of the population, believed to be due to...
Original Article
Nutrition support practices for critically ill patients with severe acute respiratory syndrome coronavirus-2: A multicentre observational study in Singapore
Within 3 weeks of the World Health Organization declaring the COVID-19 pandemic on 11 March 2020, the Society of Critical Care Medicine (SCCM) and...
Editorial
Out-of-hospital cardiac arrest in Singapore: Can we do better?
Cardiac arrests are unpredictable events that frequently result in death or significant residual morbidity among survivors. These sudden events affect not only the individual,...
Editorial
Challenges and considerations in delivering nutritional therapy in the ICU during COVID-19 pandemic
Coronavirus disease 2019 (COVID-19) has created unprecedented challenges for healthcare workers in Singapore and across the world. Providing clinical nutrition and metabolic care to...
Letter to the Editor
BNT162B2 COVID-19 mRNA vaccination did not promote substantial anti-syncytin-1 antibody production nor mRNA transfer to breast milk in an exploratory pilot study
Dear Editor,
Vaccine hesitancy still threatens global efforts to end the COVID-19 pandemic caused by SARS-CoV-2 and its emerging variants. Social media-driven “conspiracy theories”...
Commentary
COVID-19 vaccination acceptance of healthcare workers in Singapore
The Coronavirus disease 2019 (COVID-19) pandemic resulted in 511.0 million cases of confirmed SARS-CoV-2 infection and almost 6.2 million deaths globally as of end...
Original Article
Prevalence and correlates of psychological distress and coronavirus anxiety among hospital essential services workers in Singapore
The Coronavirus Disease 2019 (COVID-19) has affected almost all geographies in the world since 2020. Many countries have imposed strict isolation measures to contain...
Editorial
Sepsis and cardiovascular events: The story so far
Sepsis is a state of life-threatening organ dysfunction that results from a dysregulated host immune response to infection.1 Sepsis is a common condition that...
Letter to the Editor
Previous history of hyperthyroidism in emergency department patients with atrial fibrillation does not increase the risk of thromboembolism and death
Dear Editor,
Atrial fibrillation (AF) is frequently encountered in the emergency department (ED) and is a major risk factor for thromboembolic events. The clinical decision...
Letter to the Editor
Injection site reactions after COVID-19 mRNA vaccination
Dear Editor,
The Pfizer-BioNTech (BNT162b2 mRNA) and Moderna (mRNA-1273) COVID-19 vaccinations were approved for use in Singapore in December 2020 and February 2021, respectively. To...
Letter to the Editor
Change in hepatitis B virus DNA status in patients receiving chronic immunosuppressive therapy for moderate-to-severe skin disease
Dear Editor,
Hepatitis B virus (HBV) infection poses a global health burden. Clinically, patients may present with chronic HBV infection, occult HBV infection, and fulminant...
Letter to the Editor
Intravascular large B-cell lymphoma associated with sudden stridor arising from thyroid mucormycosis and concomitant bacterial infection
Dear Editor,
Mucormycosis is a life-threatening fungal infection that mainly affects immunocompromised patients. It typically has low prevalence, but fatality rate is as high...
Letter to the Editor
Evaluation of a health screening protocol for recovered COVID-19 patients before “return-to-play” and strenuous physical activity
Dear Editor,
We conducted a prospective, single-centre cohort study to develop guidance for military personnel returning to strenuous activities following SARS-CoV-2 infection. The patients underwent...
Editorial
Pressures, indexes and peripheral arterial disease: Time to rethink our approach?
Most patients with peripheral arterial disease (PAD) are asymptomatic. Despite the absence of symptoms, these patients have a significantly increased risk of death and...
Others
Cryptococcal Prostatic Abscess in an Immunocompromised Patient: A Case Report and Review of the Literature
Cryptococcosis is a well-recognised infection in immunocompromised patients, although its prevalence varies with the type of immune defect. We report a patient with myasthenia...
Others
Pericardial Injury Following Severe Sepsis from Faecal Peritonitis—A Case Report on the Use of Continuous Cardiac Output Monitoring
The intermittent manual bolus thermodilution method is the most common means of determining cardiac output in critically ill patients. Although widely used, there are...
Original Article
Drug Treatment of Hypercholesterolaemia
Serum cholesterol has been established as a major risk factor for coronary heart disease (CHD). There is a linear association between serum cholesterol level...
Original Article
Goldberger’s Triad in Dilated Cardiomyopathy—Can it Predict the Severity of Left Ventricular Dysfunction?
In 1982, Goldberger described a novel electrocardiogram (ECG) triad that was highly specific for patients with dilated cardiomyopathy and congestive heart failure (attributable to...
Others
Thyroid Storm Presenting as Jaundice and Complete Heart Block
Thyroid storm is defined as a severe and often life-threatening exacerbation of thyrotoxicosis which is usually characterised by hyperthermia, tachycardia, severe agitation and altered...
Others
Emerging Therapies for Sepsis and Septic Shock
Septic shock remains a major cause of morbidity and mortality among hospitalised patients despite advances in antimicrobial therapy and medical support.
This article is available...
Others
Simultaneous Transcatheter Valvuloplasty and Amplatzer Septal Occlusion for Pulmonary Valvar Stenosis and Secundum Atrial Septal Defect
Congenital pulmonary valvar stenosis (PVS) and secundum atrial septal defect (ASD) are relatively common forms of congenital heart disease (CHD). Since the first successful...
Others
Electrocardiographic Abnormalities in Combined Hypercalcaemia and Hypokalaemia—Case Report
The electrocardiographic abnormalities in isolated hypercalcaemia and hypokalaemia have been well documented in the literature. However, electrocardiogram (ECG) findings in combined hypercalcaemia and hypokalaemia...
Original Article
Epidemiological Surveillance of Melioidosis in Singapore
Melioidosis was first described in 1911 among vagrants and morphine addicts brought into the mortuary in Rangoon, Burma. However, the disease received little attention...
Original Article
Five Paediatric Case Reports of the Use of Adenosine in Supraventricular Tachycardia
Adenosine has been shown to be effective in terminating supraventricular tachycardia in adults and children. However, the use of adenosine has not been previously...
Review Article
Interventional Electrophysiology and its Role in the Treatment of Cardiac Arrhythmia
Cardiac arrhythmias are disorders of the electrical system of the heart which can present as benign ectopics or as life-threatening arrhythmias and sudden cardiac...
Review Article
The Global Pandemic of Dengue/Dengue Haemorrhagic Fever: Current Status and Prospects for the Future
The world has experienced unprecedented population growth in the past 50 years that continues unabated in the waning years of the 20th century. It...
Others
Incessant Ectopic Atrial Tachycardia and Tachycardia-related Cardiomyopathy: Therapeutic Options and Potential for Cure
Incessant ectopic atria tachycardia (IEAT) is a rare and insidious arrhythmia which is frequently misdiagnosed and if untreated, leads to ‘exhaustion’ of the myocardium...
Review Article
Intracoronary Brachytherapy: The Beginning of the End of Restenosis?
Restenosis remains a major clinical problem 20 years after the introduction of coronary angioplasty by Andreas Gruentzig in the treatment of coronary artery disease....
Original Article
The Effect of Fenofibrate on Insulin Sensitivity and Plasma Lipid Profile in Non diabetic Males with Low High Density Lipoprotein/Dyslipidaemic Syndrome
Hyperinsulinaemia and insulin resistance have been postulated to relate directly to both hypertension and coronary artery disease in type II diabetes and possibly also...
Letter to the Editor
Palm Printing on Agar Plates of Hands of Health Care Workers from the Intensive Care Units of the National University Hospital of Singapore
Nosocomial infections are one of the major causes of morbidity and mortality in hospitals resulting in increasing health care costs. The intensive care unit...
Others
Disseminated Penicillium marneffei Infection: A Report of Five Cases in Singapore
Penicillium marneffei is a dimorphic fungus that can cause infection in immunocompromised hosts. Reports on infection with this organism were initially uncommon, but after...
Review Article
Homocysteine and Atherosclerotic Disease: The Epidemiologic Evidence
Homocysteine is a thiol-containing amino acid formed during the metabolism of methionine. The metabolic fate of homocysteine may be influenced by the alterations in...
Original Article
A Comparison of Antigen Dipstick Assays with Polymerase Chain Reaction (PCR) Technique and Blood Film Examination in the Rapid Diagnosis of Malaria
According to the 1996 epidemiological studies in Singapore done by the Ministry of the Environment, a total of 364 cases of malaria were reported...
Others
T Wave Alternans and Acute Rheumatic Myocarditis: A Case Report
T wave alternans, an electrical cardiac alternans in which there is a beat-to-beat variation in the amplitude, shape or the polarity of the T...
Original Article
Trends in Mortality, Incidence, Hospitalisation, Cardiac Procedures and Outcomes of Care for Coronary Heart Disease in Singapore, 1991-1996
In line with trends in many high-income countries, Singapore has experienced some declines in mortality from coronary heart disease (CHD) since the 1980s. Whether...
Original Article
Initial Experience With an Autocapture Pacemaker System
The longevity of a pacemaker generator varies directly with the total deliverable amount of electrical charge (Q, in coulombs) and inversely with the rate...
Original Article
Correlation of Baseline Quantitative Plasma Human Immunodeficiency (HIV) Type 1 RNA Viral Load with Clinical Status and CD4+ T-cell Counts in Treatment-Naïve HIV-Positive Patients in Singapore
Quantitative plasma human immunodeficiency virus type 1 (HIV-1) ribonucleic acid (RNA) viral load is used clinically as a predictor of progression of HIV-1 infection...
Others
A Case of Mycobacterium scrofulaceum Osteomyelitis of the Right Wrist
Whilst infections caused by Mycobacterium tuberculosis may be a common occurrence in this part of the world, those caused by atypical mycobacteria are rarely...
Others
Case Report of Staphylococcus lugdunensis Native Valve Endocarditis and Review of the Literature
Coagulase-negative staphylococci cause 5% of native valve endocarditis. Of the 30 species identified currently, Staphylococcus epidermidis is a well-recognised cause of native valve endocarditis;...
Others
The Differential Diagnosis of Supraventricular Tachycardia Using Clinical and Electrocardiographic Features
Noninvasive evaluation of the mechanism of the arrhythmia is important in the management of supraventricular tachycardia (SVT). It guides one in the choice of...
Original Article
Cardiac Marker Point-of-care Testing: Evaluation of Rapid On-site Biochemical Marker Analysis for Diagnosis of Acute Myocardial Infarction
In the present era of revascularisation therapy, rapid and accurate diagnosis of acute myocardial infarction (AMI) is important, as these patients may benefit from...
Others
Cardiovascular Disease: Genes and Public Health
The excitement surrounding the Human Genome Project and its impending completion has raised expectations of the possibilities for genetics in common disease. It is...
Original Article
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...
Original Article
Technetium-99m Sestamibi for the Assessment of Myocardial Salvage Following Reperfusion Therapy in Acute Myocardial Infarction
Reperfusion therapy for acute myocardial infarction is feasible with thrombolytic therapy as well as acute percutaneous transluminal coronary angioplasty (PTCA). Both modalities of treatment...
Original Article
Initial Experience of Radiofrequency Catheter Ablation of Supraventricular Tachycardia in Paediatric Patients
Paroxysmal supraventricular tachycardia (SVT) is well-recognised as one of the commonest rhythm disorders in children. There may be few symptoms, but many experience palpitations,...
Others
Case Reports of Nocardiosis in Patients with Human Immunodeficiency Virus (HIV) Infection
Nocardiosis is an infection caused by a soil-borne aerobic filamentous bacterium in the genus Nocardia and the order Actinomycetales. Within the genus Nocardia, N....
Others
Diagnosis of Pacemaker Lead Infection Using Transoesophageal Echocardiography: A Case Report
The expanding indications for permanent cardiac pacing mandate an awareness of the potential complications associated with device implantation. After failure of pacing and sensing,...
Images in Medicine
Pericardial effusion and tamponade in a young woman
A young woman presented to the Singapore General Hospital with a history of cough in the 2 weeks prior. She had no significant past...
Letter to the Editor
Graves’ disease after COVID-19 vaccination
Dear Editor,
Case 1 was a 41-year-old man with a history of primary hyperthyroidism. At the time of diagnosis, thyroglobulin antibodies were elevated although no...
Letter to the Editor
Impact of COVID-19 infections among kidney transplant recipients
Dear Editor,
More than 2 years since the start of the COVID-19 pandemic, cases continue to climb despite global efforts at viral control. This is...
Letter to the Editor
Paediatric living-donor liver and kidney transplantation during COVID-19
Dear Editor,
The coronavirus disease 2019 (COVID-19) pandemic has impacted global healthcare including paediatric solid organ transplantation (SOT). We report our experience of resuming paediatric...
Letter to the Editor
The evolution of severity of paediatric COVID-19 in Singapore: Vertical transmission and multisystem inflammatory syndrome in children
Dear Editor,
Coronavirus disease 2019 (COVID-19) arrived in Singapore in January 2020 as imported cases, followed by local transmission predominantly involving dormitories, with later spread...
Others
Histoplasmosis Presenting with Progressively Worsening Backache—A Case Report
A 55-year-old man presented with intermittent low back pain of 2 months’ duration which was progressively worsening, fever, anorexia and a 10-kg weight loss....
Original Article
In vitro Activity of Moxifloxacin against Local Bacterial Isolates
The introduction of newer generation fluoroquinolones has generated great interest, especially in this era of increasing antimicrobial resistance. Among gram-positive resistant bacteria, the most...
Others
Isolated Non-compaction of Ventricular Myocardium: A Report of Three Cases
Non-compaction of ventricular myocardium is a rare morphogenic arrest of compaction of the ventricular myocardial fibres during intrauterine life. Usually, the left ventricle is...
Original Article
Impairment of Endothelial Function—A Possible Mechanism for Atherosclerosis of a High-fat Meal Intake
The impairment of endothelial vasodilatory function has been considered an early event in atherogenesis. This has been studied in association with various cardiovascular risk...
Review Article
Methicillin-resistant Staphylococcus aureus and Vancomycin-resistant Enterococci: Emerging Problems and New Prospects for Management
The prevalence of nosocomial infections due to Gram-positive bacteria has increased dramatically over the last two decades. In North America, Gram-positive cocci now are...
Commentary
Bugs for the Next Century: The Issue of Antibiotic Resistance
Emerging antibiotic resistance is a global problem. Antibiotic resistance results in morbidity and mortality from treatment failures and increased health care costs.
This article is...
Others
Melioidosis Splenic Abscess—An Unusual Presentation as Osteomyelitis of Rib
A 74-year-old Chinese gentleman first presented in February 1999 with an abscess over his left lower chest. He was treated for pulmonary tuberculosis in...
Original Article
A Preliminary Study of the Utility of Combined Cardiac Markers in the Evaluation of Patients Presenting Early with Suspected Acute Coronary Syndrome
The management of patients presenting with chest pain of recent onset can prove to be a diagnostic challenge. These patients vary from having atypical...
Original Article
Homocysteine, Folate and Vitamin B12 as Risk Factors for Acute Myocardial Infarction in a Southeast Asian Population
Since the beginning of the last decade, hyperhomocysteinaemia has been identified as a risk factor for acute coronary syndromes. A few large prospective studies...
Original Article
Fluconazole Susceptibility of Candida Species in Singapore by Disc Diffusion Test
Candida species is becoming increasingly important as a cause of serious infections particularly in immunocompromised patients. Surveillance in the USA between April 1995 and...
Original Article
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...
Review Article
Rheumatic Heart Diseases in Pregnancy
Rheumatic heart disease comprises acute rheumatic fever following group A beta-haemolytic streptococcal infection of the tonsillopharynx, and its long-term sequelae of heart valve fibrosis...
Others
Allopurinol Hypersensitivity Syndrome and Acute Myocardial Infarction—Two Case Reports
Allopurinol hypersensitivity syndrome is an idiosyncratic drug reaction characterised by an acute and severe multiorgan disease. It usually begins 2 to 6 weeks (up...
Original Article
Influenza in Singapore: Assessing the Burden of Illness in the Community
Influenza is a major cause of morbidity and mortality worldwide. Morbidity in the working age group gives rise to frequent doctor visits and considerable...
Others
Two Case Reports on Incessant Left Ventricular Tachycardia: Curative Therapy with Radiofrequency Ablation
Left ventricular tachycardia is a recognisable condition in patients with otherwise structurally normal heart. It may arise from various foci in the left ventricle.
This...
Review Article
Prevention of Restenosis after Percutaneous Coronary Intervention: The Continuing Challenge
Since Andreas Gruntzig first demonstrated its use in humans in 1977, the utilisation of percutaneous transluminal coronary angioplasty (PTCA) has grown tremendously throughout the...
Editorial
The Role of Influenza Vaccine in Healthcare Workers in the Era of Severe Acute Respiratory Syndrome
The new coronavirus responsible for severe acute respiratory syndrome (SARS) found its first victims in healthcare workers with attack rates of more than 50%...
Others
A Case Series of Sotalol-induced Torsade de Pointes in Patients with Atrial Fibrillation – A Tale with a Twist
In the light of the Cardiac Arrhythmia Suppression Trial (CAST) which suggested that class I antiarrhythmics may be linked to an increase in mortality,...
Editorial
Severe Acute Respiratory Syndrome (SARS) — 150 Days On
The Severe Acute Respiratory Syndrome (SARS) has been identified as a new clinical entity in the year 2003. It was on 12 March 2003...
Others
HIV/AIDS in Children
The human immunodeficiency virus (HIV) infection and acquired immunodeficiency syndrome (AIDS) epidemic in Asia has grown from a handful of cases to a major...
Original Article
Immediate and Mid-Term Safety and Efficacy of Single Lead VDD Pacemakers for Patients with Atrioventricular Block and Normal Sinus Node Function—A Single Centre Experience
In patients requiring a cardiac pacemaker for any indication, the ideal goal of therapy is to achieve atrioventricular (AV) synchrony. This replicates the normal...
Review Article
Sexually Transmitted Infections in Singapore Teenagers
Adolescence can be a difficult period for many individuals who have to navigate their way through complicated emotional, psychological, physical and social demands and...
Images in Medicine
Torsades de pointes in a woman presenting with syncope
A 57-year-old woman presented with first onset syncope, which was witnessed by her family members. It occurred in the middle of a conversation and...
Letter to the Editor
Stress among emergency medicine residents during the COVID-19 pandemic: A qualitative study
Dear Editor,
The COVID-19 pandemic has disrupted medical education1,2 and distressed clinicians.3,4 Understanding the impact of this pandemic on emergency medicine (EM) residents’ experience of...
Letter to the Editor
Pressure injuries related to N95 respirator masks among healthcare workers during the COVID-19 pandemic
Dear Editor,
The coronavirus disease 2019 (COVID-19) pandemic outbreak, which started in 2019, has affected millions of patients globally.1 Singapore is not spared, being one...
Original Article
Spironolactone Does Not Prevent Restenosis After Coronary Stenting in Humans
High restenosis rate, which has been documented to occur in approximately 30% to 50% of cases, still remains a major concern, although percutaneous transluminal...
Original Article
Oropharyngeal Carriage and Penicillin Resistance of Neisseria meningitidis in Primary School Children in Manisa, Turkey
Infections by Neisseria meningitidis are significant causes of mortality and morbidity in young children and adolescents. The epidemiology of serious meningococcal disease is an...
Original Article
A Clinical Audit of Presentation and Outcome of Salmonella Septicaemia
Salmonella infection occurs globally and has diverse presentations including enteric fever, gastroenteritis, localised infection, chronic enteric or urinary carrier state and bacteraemias. Enteric fever,...
Review Article
Nuclear Cardiology in Singapore: A Review
The past decade has witnessed significant advances and rapid growth in the field of nuclear cardiology. In Singapore, our experience has been similar to...
Review Article
Stem Cell Cardiomyoplasty: State-of-the-Art
Congestive heart failure (CHF) remains the most common diagnosis made in cardiology wards today. At present, no long-term therapeutic option for end-stage CHF is...
Review Article
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...
Review Article
Coronary Artery Disease: Comprehensive Evaluation by Cardiovascular Magnetic Resonance Imaging
Coronary artery disease (CAD) is a major health problem worldwide. With advances in CAD intervention and improvements in treatment and management of CAD, there...
Review Article
Drug-eluting Stents: The End of Restenosis?
Percutaneous coronary intervention (PCI) is the preferred revascularisation approach for most patients with coronary artery disease because, with comparable clinical outcomes in selected patients,...
Original Article
Coronary Artery Ectasia: A Ten-year Experience in a Tertiary Hospital in Singapore
Coronary artery ectasia (CAE) is the abnormal dilatation of a segment of the coronary artery to a diameter of at least 1.5 times that...
Original Article
Pilot Survey of the Diagnosis and Management of Heart Failure in Primary Care: A Singaporean Perspective
Congestive heart failure is an increasingly common disorder and a major cause of morbidity and mortality in developed countries around the world. It is...
Original Article
High-sensitivity C-reactive Protein is Predictive of Medium-term Cardiac Outcome in High-risk Asian Patients Presenting With Chest Pain Syndrome Without Myocardial Infarction
Patients with chest pain often pose a diagnostic conundrum to the attending physician especially when symptoms are not typical of angina and the electrocardiogram...
Editorial
Cardiovascular Medicine and Surgery in Singapore: The Next Lap
Fourteen years ago, an editorial in the Annals announced the coming of age of cardiology in Singapore. Among the issues raised in that editorial...
Review Article
Laboratory Safety Aspects of SARS at Biosafety Level 2
In Singapore, the majority of patients suffering from the severe acute respiratory syndrome (SARS) were cared for at Tan Tock Seng Hospital. The dramatic...
Original Article
Varicella Screening and Vaccination for Healthcare Workers at KK Women’s and Children’s Hospital
Due to the increased morbidity and mortality of varicella zoster (VZ) in adults and increased exposure to chickenpox in hospitals, especially in paediatric hospitals,...
Others
Clinical Indications for Positron Emission Tomography (PET) Scanning
The purpose of these guidelines is to provide a broad framework for clinicians considering the use of positron emission tomography (PET) scanning for their...
Review Article
Clinical Applications of Positron Emission Tomography in Cardiology: A Review
Ischaemic heart disease associated with depressed left ventricular function is a common clinical management dilemma. There is overwhelming evidence that such patients have a...
Editorial
Positron Emission Tomography – A Vital Component of Molecular Imaging
Contemporary medical imaging is progressing towards quantification of tissue function in addition to merely providing anatomical information, as illustrated by the rising use of...
Others
Transmission of Tuberculosis from Patient to Healthcare Workers in the Anaesthesia Context
Tuberculosis poses a very real problem to healthcare workers (HCWs). In Singapore, the prevalence of tuberculosis in the general population remains high at 44...
Others
Severe Adult Chickenpox Infection Requiring Intensive Care
Chickenpox (varicella) in adults can be severe. It is frequently associated with pneumonia and immunosuppression as well as increased mortality rates.
This article is available...
Others
Skin Manifestation of Stenotrophomonas maltophilia Infection – A Case Report and Review Article
Stenotrophomonas maltophilia is an aerobic gram-negative bacillus that is found in aquatic environments. It is a frequent coloniser of fluids used in the hospital...
Original Article
Early Dengue Infection and Outcome Study (EDEN) – Study Design and Preliminary Findings
Dengue fever/dengue haemorrhagic fever (DF/DHF) is a re-emerging disease that is endemic in the tropical world. It is caused by 4 closely-related dengue viruses...
Original Article
Seroepidemiology of Pertussis in the Adult Population of Singapore
Pertussis is a highly communicable, vaccine-preventable respiratory disease and is a frequent but often underestimated cause of prolonged cough illness in adults. Whereas in...
Others
16th Seah Cheng Siang Memorial Lecture – The Changing Face of Cardiology Practice, Training and Research in Singapore
Professor Seah Cheng Siang was one of the most illustrious physicians of his era. During his professional career, he held the following positions: Head,...
Original Article
Travel Characteristics and Health Practices Among Travellers at the Travellers’ Health and Vaccination Clinic in Singapore
The South-east Asian region has seen recent increases in travel, and pre-travel health advice is important in protecting these travellers from risks. Travellers now...
Editorial
Building Collaboration in Cardiac Imaging
Publicity about new developments in medical technology is not at all unusual. But the degree with which multi-slice computed tomography (MSCT) for coronary artery...
Original Article
Understanding the Super-spreading Events of SARS in Singapore
Severe acute respiratory syndrome (SARS) was the first emerging infectious disease of this century with true epidemic potential. Worldwide, the virus caused a total...
Commentary
SARS Plague: Duty of Care or Medical Heroism?
SARS has been described as a Chinese plague because it emerged from the colourful markets of wild animals and the exotic kitchens of Guangdong,...
Commentary
SARS: How to Manage Future Outbreaks?
Severe acute respiratory syndrome (SARS) is caused by a novel coronavirus (SARS-CoV), which crossed from wild animals at live markets to man in mid-November...
Review Article
SARS Revisited: Managing “Outbreaks” With “Communications”
In the short span of 3 years since SARS first appeared on the Asian landscape, terms like “risk communications” and “outbreak communications” have assumed...
Review Article
Laboratory Containment of SARS Virus
Severe acute respiratory syndrome (SARS) emerged in November 2002 in Guangdong Province in China and quickly spread to 26 countries/areas with local transmission in...
Review Article
SARS and Emerging Infectious Diseases: A Challenge to Place Global Solidarity above National Sovereignty
The majority of the world’s information about infectious disease outbreaks no longer comes from voluntary reporting by countries, the willingness of which is influenced...
Review Article
SARS in Singapore – Key Lessons from an Epidemic
The 2003 severe acute respiratory syndrome (SARS) outbreak represented the most severe communicable disease challenge to the public health system and the government and...
Original Article
Clinical and Laboratory Findings of SARS in Singapore
An outbreak of atypical pneumonia was recognised in Singapore soon after the release of a global alert by the World Health Organization (WHO) on...
Original Article
SARS in Singapore – Predictors of Disease Severity
Severe acute respiratory syndrome (SARS) is a recently defined illness caused by a novel coronavirus. The outbreak in Singapore originated from Hong Kong via...
Original Article
The Outbreak of SARS at Tan Tock Seng Hospital – Relating Epidemiology to Control
Severe acute respiratory syndrome (SARS) is an emerging infectious disease caused by a novel coronavirus. Worldwide, the virus caused a total of 8098 reported...
Original Article
Epidemiology and Control of SARS in Singapore
Since the 1990s, a number of infectious diseases have emerged in Singapore, despite its high standard of environmental hygiene, comprehensive childhood immunisation programme and...
Editorial
Lessons From the SARS Crisis – More Relevant Than Ever
This issue of the Annals contains articles on the severe acute respiratory syndrome (SARS). One might wonder what else there is to write about...
Others
Guidelines on Cardiac CT in Singapore (2006)
The heart is difficult to image because of its complex wall motion and variability of the cardiac cycle. Recent advances in 16 and 64-slice...
Original Article
Modelling the Utility of Body Temperature Readings From Primary Care Consults for SARS Surveillance in an Army Medical Centre
There has been increasing interest in building surveillance systems capable of detecting outbreaks of infectious diseases, at the stage where clinical presentation would still...
Original Article
Anaerobic Culture of Diabetic Foot Infections: Organisms and Antimicrobial Susceptibilities
Singapore has a relatively high prevalence of diabetes mellitus, with a recent survey showing an age-standardised prevalence of 7.8% in 2004. Diabetic soft-tissue infections...
Original Article
The Association of Smoking with Components of the Metabolic Syndrome in Non-diabetic Patients
Metabolic syndrome (MS) is conceptualised as a constellation of physiologic or anthropometric abnormalities. Typically, it includes excess weight, hyperglycaemia, elevated blood pressure, low concentration...
Original Article
Hepatitis B Virus Infection and the Risk of Coronary Atherosclerosis
Coronary artery disease (CAD), also called coronary heart disease, is the leading cause of death for both men and women. CAD is usually caused...
Others
Infection Control Practices at the Singapore General Hospital: From a Swedish Point of View
Methicillin-resistant Staphylococcus aureus (MRSA) is the most common antibiotic resistant pathogen in many parts of the world, and is associated with significant in hospital...
Others
Methicillin-resistant Staphylococcus aureus Control in Singapore – Moving Forward
The significance of methicillin-resistant Staphylococcus aureus (MRSA) is indisputable. Its successful establishment and maintenance as the most important endemic healthcare associated infection (HCAI) results...
Commentary
“Future” Threat of Gram-negative Resistance in Singapore
Gram-negative bacteria are important causes of urinary tract infections, bloodstream infections, healthcare-associated pneumonia, and intra-abdominal infections. The increasing resistance of Enterobacteriaceae is a significant...
Review Article
Polymyxins: A Review of the Current Status Including Recent Developments
Polymyxins are polypeptide antibiotic that becomes available for clinical use in the 1960s, but was replaced in the 1970s by antibiotics considered less toxic....
Review Article
Vancomycin-resistant Enterococcus – A Review From a Singapore Perspective
The first isolates of high-level vancomycin-resistant enterococci (VRE) were reported from the United Kingdom in the late 1980s. Since then rates of VRE infection...
Review Article
Methicillin-resistant Staphylococcus aureus Control at the National University Hospital, Singapore: A Historical Perspective
The National University Hospital (NUH) was established in 1985 as the first restructured hospital and medical centre in Singapore. At its official opening in...
Review Article
Gram-negative Resistance in Singapore: A Historical Perspective
Standardised antimicrobial susceptibility testing was first introduced to Singapore in the mid-1970s. The earliest Singapore antibiogram the author is aware of was published in...
Original Article
In vitro Activities of Antifungal Drugs Against Yeasts Isolated from Blood Cultures and Moulds Isolated from Various Clinically Significant Sites in Singapore
Fungaemia carries with it high mortality rates and appropriate as well as timely antifungal therapy has been shown to be life saving. Amphotericin B...
Original Article
A Retrospective Analysis of Antifungal Susceptibilities of Candida Bloodstream Isolates From Singapore Hospitals
Nosocomial infection with Candida species is increasing in significance worldwide. A recent review of positive blood cultures noted the relative increase in importance of...
Original Article
Ertapenem for Treatment of Extended-spectrum Beta-lactamase-producing and Multidrug-resistant Gram-negative Bacteraemia
Extended-spectrum beta-lacatamase (ESBL)-producing gram-negative bacteraemia is optimally treated with carbapenem. In our institution, Escherichia coli and Klebsiella pneumoniae are the most common and third...
Original Article
Independent Predictors for Mortality in Patients with Positive Stenotrophomonas maltophilia Cultures
Stenotrophomonas (formally Pseudomonas or Xanthomonas) maltophilia is a gram-negative bacillus emerging as an opportunistic, nosocomial pathogen associated with a high mortality rate. Although it...
Original Article
Antibiotic Resistance in Gram-negative Bacilli: A Singapore Perspective
In contrast to recent media reviews on gram-positive pathogens such as methicillin-resistant Staphylococcus aureus, vancomycin-resistant enterococci and Clostridium difficile, the increasing complexity and multiplicity...
Editorial
Antimicrobial Resistance: A New Beginning and the Need for Action
In this issue, the articles (historical, original and review papers) highlight the extent and problem of antimicrobial resistance in Singapore. The authors should be...
Review Article
Healthcare Workers and HIV Health Issues
This paper aims to present a comprehensive review of issues related to HIV testing in healthcare workers (HCWs) and proposes appropriate measures in response...
Original Article
Concomitant Coronary Artery Disease Among Asian Ischaemic Stroke Patients
Coronary artery disease (CAD) is the leading cause of mortality following ischaemic stroke. The annual risk for myocardial infarction following ischaemic stroke is approximately...
Original Article
Improving Door-to-balloon Times in Primary Percutaneous Coronary Intervention for Acute ST-elevation Myocardial Infarction: The Value of an Audit-driven Quality Initiative
Primary percutaneous coronary intervention (PCI) for patients with acute ST-elevation myocardial infarction (STEMI) has been shown to be superior to thrombolytic therapy in terms...
Original Article
The 2005 Dengue Epidemic in Singapore: Epidemiology, Prevention and Control
Dengue is the most important human viral disease transmitted by arthropod vectors. Some 2500 million people – two-fifths of the world’s population – are...
Review Article
Antiviral Drugs for the Control of Pandemic Influenza Virus
Over the past 100 years there have been 3 major influenza virus pandemics, which have among them claimed millions of lives. In 1918 the...
Review Article
Vaccines for Pandemic Influenza. The History of our Current Vaccines, their Limitations and the Requirements to Deal with a Pandemic Threat
The ongoing epizootic of avian influenza due to A (H5N1) viruses, the growing count of associated human fatalities, and the fear that this may...
Review Article
Prevention and Control of Avian Influenza in Singapore
Avian influenza (AI) or “bird flu” is a highly infectious disease of birds. AI viruses are negative single-stranded enveloped RNA viruses that belong to...
Review Article
Preparing for an Influenza Pandemic in Singapore
The last influenza pandemics occurred in 1957 and 1968. Few remember the pandemic in 1968 in Singapore as it was relatively mild.
This article is...
Review Article
Avian Influenza and Pandemic Influenza Preparedness in Hong Kong
In 1997, Hong Kong became reputed by identifying the first instance of human infection with avian influenza H5N1. A total of 18 cases occurred...
Review Article
Towards Mutual Trust, Transparency and Equity in Virus Sharing Mechanism: The Avian Influenza Case of Indonesia
Since July 2005 to December 2007, Indonesia has reported the highest number of influenza A (H5N1) human cases in the world, i.e., 116 cases...
Review Article
A Global Perspective on Avian Influenza
The world is confronted by many important public health challenges, some of which constitute potentially devastating global threats. Prime among these is the threat...
Review Article
Twentieth Century Influenza Pandemics in Singapore
Tropical countries such as Singapore, although without well-defined influenza seasons, are also affected by influenza epidemics and pandemics. Twenty per cent of Singapore’s population...
Original Article
The Efficacy of Influenza Vaccination in Healthcare Workers in a Tropical Setting: A Prospective Investigator Blinded Observational Study
Influenza causes significant morbidity, mortality and economic impact in Singapore. According to a recent report, there are about 4.2 million cases of influenza-like illness...
Original Article
A Cross-sectional Study of Primary-care Physicians in Singapore on Their Concerns and Preparedness for an Avian Influenza Outbreak
Outbreaks of avian influenza (AI) caused by the H5N1 subtype in several Asian countries have raised concern all over the world. AI is endemic...
Original Article
Clinical and Epidemiological Features of Patients With Confirmed Avian Influenza Presenting to Sulianti Saroso Infectious Diseases Hospital, Indonesia, 2005-2007
The first human cases of H5N1 avian influenza (AI) virus infection were reported in Indonesia in July 2005. On 19 September 2005, the Ministry...
Editorial
To Kill a Mocking Bird Flu?
Why devote an entire issue of the Annals to pandemic influenza when there are so many other pressing health needs around us? With a...
Original Article
Risk Factor Profile and Treatment Patterns of Patients with Atherothrombosis in Singapore: Insight from the REACH Registry
Atherothrombosis is a global problem that affects every ethnic group. It can lead to ischemic stroke, myocardial infarction or vascular death.
This article is available...
Letter to the Editor
Non-compaction Cardiomyopathy Presenting with Classical Angina Pectoris
Non-compaction cardiomyopathy (NCC) is an unclassified cardiomyopathy, previously known as “spongy left ventricular myocardium”. It is characterised by prominent myocardial trabeculations and deep intertrabecular...
Letter to the Editor
A Case of Myopericarditis in a Patient with Methicillin-resistant Staphylococcus aureus Community-acquired Pneumonia
We described a healthy and physically active 41-year-old man who presented to a private practitioner with right axillary pain and fever. Physical examination revealed...
Original Article
The Relation Between Insulin Resistance Determined by Haemostatic Modelling and Slow Coronary Flow
Slow coronary flow (SCF) is a well recognised clinical entity, characterised by delayed opacification of coronary arteries in the presence of normal coronary angiogram....
Commentary
Improving Access to Outpatient Cardiac Care at the National Heart Centre – A Partnership Between Specialists and Primary Care
There is evidence that shows that the use of healthcare delivered by private providers, particularly procedures and hospital care, depends on supply. For example,...
Original Article
Pattern and Outcome of Subsidised Referrals to Cardiology Specialist Outpatient Clinics
Singapore faces an increasing demand for public healthcare from an ageing population in need of chronic care. At our cardiology specialist outpatient clinics, the...
Original Article
Concerns, Perceived Impact and Preparedness in an Avian Influenza Pandemic – a Comparative Study between Healthcare Workers in Primary and Tertiary Care
The danger posed by emerging infectious diseases has become greater in the past few years with the World Health Organization (WHO) warning that the...
Letter to the Editor
Laboratory-acquired Brucellosis
Brucellosis is a serious disease seen worldwide and has been historically known as undulant fever, Bang’s disease, Gibraltar fever, Mediterranean fever, and Malta fever....
Letter to the Editor
The Utility of Liver Function Tests in Dengue
Dengue infection is endemic in many countries along the tropical and subtropical belt, with more than 100 million cases and 24,000 deaths annually worldwide....
Letter to the Editor
Phaeochromocytoma the Great Mimicker: A Case Report
Phaeochromocytomas are catecholamine producing neuroendocrine tumours that can manifest a variety of symptoms which mimic other diseases. They are also known for their “rule...
Original Article
The Angiographic Aspects of Myocardial Bridges in Turkish Patients who have Undergone Coronary Angiography
Myocardial bridge, intramural coronary artery, coronary artery over bridging and myocardial loop are essentially the different terms used to designate the same phenomenon. Myocardial...
Editorial
Treatment Gets Better, but Leprosy Remains a Global Problem
Rising standards of living and the provision of effective medical treatment have resulted in good control of leprosy in many parts of the world,...
Editorial
The Annals: Welcoming the future of Medicine
What started as a cluster of cases of pneumonia in Wuhan, the capital city of China’s Hubei Province, in December 2019, has since evolved...
Letter to the Editor
Development of Ceftazidime Resistance in Burkhoderia pseudomallei in a Patient Experiencing Melioidosis with Mediastinal Lymphadenitis
Melioidosis caused by Burkholderia pseudomallei is endemic to Southeast Asia and Northern Australia. Melioidosis was nicknamed the “greater mimicker” because of its diverse clinical...
Commentary
Human Rights as a Cornerstone of AIDS Prevention, Treatment and Public Health Measures
The International AIDS Conference (IAC) and the Singapore AIDS Conference (SAC) are biannual meetings held on even years. Both these meetings are occasions for...
Review Article
Management of Acute ST-Elevation Myocardial Infarction: Reperfusion Options
Cardiovascular disease is a leading cause of death globally. More than 920,000 myocardial infarctions (MI) are diagnosed annually in the United States. Of these,...
Original Article
Changing Epidemiology of Enteric Fevers in Singapore
Typhoid and paratyphoid fever – collectively referred to as enteric fevers - are serious systemic infections caused by Salmonella enterica serovar Typhi (S. Typhi)...
Editorial
Expanding the Scope of Antiretroviral Therapy for HIV Infection
The 2010 Global Report on AIDS contains some welcome news: the number of annual AIDS-related deaths has continued to decrease from a peak of...
Letter to the Editor
A Case of Acute Myocardial Infarction 24 hours after Acute Ischaemic Stroke
It is well known that thrombolysis for acute myocardial infarction (AMI) may lead to disintegration of pre-existing intracardiac thrombi with subsequent cerebral embolisation. It...
Original Article
A Cross-Sectional Study on Reference Ranges of Normal Oral Temperatures Among Students in Singapore
Severe acute respiratory syndrome (SARS), an infection caused by the SARS Coronavirus (SARS-CoV), was imported into Singapore in late February 2003 by a local...
Editorial
The Growing Burden of Cardiovascular Disease: Role of the Arterial-Cardiac Interaction
World Heart Day was inaugurated to increase global awareness that cardiovascular disease (CVD) is the world’s leading cause of death, claiming, according to the...
Letter to the Editor
Comparison of Cardiac Output Measurement by Arterial Waveform Analysis and Pulmonary Artery Catheter in Mitral Stenosis
Cardiac output (CO) is a vital measurement that influences clinical decision-making. Although thermodilution via a pulmonary artery catheter (PAC) is considered the gold standard...
Original Article
Changing Seroprevalence of Hepatitis B Virus Markers of Adults in Singapore
In Singapore, epidemiological surveillance and research on hepatitis B virus (HBV) infection were initiated when acute viral hepatitis was made a notifiable disease under...
Images in Medicine
Unusual Pacemaker Lead Placement in an Unsuspecting Heart
A 51-year-old man, with a negative cardiac medical history, presented with symptomatic 2:1 atrioventricular block. A permanent pacemaker was implanted.
This article is available only...
Original Article
Evaluation on the Effectiveness of the National Childhood Immunisation Programme in Singapore, 1982-2007
Singapore has a comprehensive National Childhood Immunisation Programme (NCIP) which first covered smallpox (1862), followed by diphtheria (1938), tuberculosis (TB) (1957), poliomyelitis (1958), pertussis...
Original Article
Epidemiological Characteristics of Cholera in Singapore, 1992-2007
Cholera is an acute diarrhoeal disease that usually presents as abrupt massive watery diarrhoea and vomiting. The causative organism is Vibrio cholerae which is...
Letter to the Editor
Embolised Injection Needle Fragment to the Heart, Mimicking a Subcutaneous Charm Needle
Embolisation of a fragmented injection needle to the heart is rare, even in intravenous drug abusers. The presence of an embolised needle fragment to...
Original Article
Influenza B Outbreak among Influenza-vaccinated Welfare Home Residents in Singapore
Influenza has a major impact on the health of residents of long-term residential care facilities (LTCF). Residents of LTCFs are especially vulnerable to influenza...
Editorial
Beyond Blood Safety
World Blood Donor Day takes place on 14 June each year. Established in 2005 by the World Health Assembly, it aims to raise global...
Original Article
Transcatheter Closure of Atrial Septal Defects – Is Balloon Sizing Still Necessary?
Device closure of atrial septal defects through the transcatheter approach has now been well accepted as an option to surgical treatment. A range of...
Original Article
Factors Affecting the B-Type Natriuretic Peptide Levels in Stroke Patients
The term “stroke” comprises all diseases in which a region of the brain is transiently or continuously affected by ischaemia or haemorrhage, and/or in...
Original Article
Eighteen-Month Clinical Safety and Efficacy Outcomes of Sirolimus-, Paclitaxel- and Zotarolimus-drug Eluting Stents in Diabetic Patients Undergoing Percutaneous Coronary Intervention for Complex Coronary Artery Stenosis
Patients with diabetes mellitus (DM) have higher incidence of cardiovascular morbidity and mortality compared with non-diabetic patients. The underlying mechanism is due to the...
Original Article
Risk Factors and Clinical Outcomes for Contrast-induced Nephropathy After Percutaneous Coronary Intervention in Patients with Normal Serum Creatinine
Contrast-induced nephropathy (CIN) is a common complication post-percutaneous coronary intervention (PCI). CINis associated with increased morbidity, mortality, prolonged hospitalisation and long-term renal impairment.
This article...
Original Article
Brachial Approach for Coronary Angiography and Intervention: Totally Obsolete, or a Feasible Alternative When Radial Access is Not Possible?
The possible methods of reaching the coronary vasculature using a percutaneous technique are limitless: the radial, femoral, brachial, ulnar, subclavian and axillary arteries, and...
Letter to the Editor
Use of Healthcare Worker Sickness Absenteeism Surveillance as a Potential Early Warning System for Influenza Epidemics in Acute Care Hospitals
The global spread of emerging infectious diseases can strain resources and result in healthcare staff absenteeism, as was the case during the severe acute...
Letter to the Editor
Streptococcus pneumoniae Bacteraemia in a Young Man with Pandemic Influenza A (H1N1) 2009
The contributory role of bacterial infection to severe influenza illness during a pandemic is not entirely clear. The post-mortem samples of those who died...
Commentary
Surveys of Knowledge, Attitudes and Practices on the Influenza A (H1N1) Pandemic
Statistical surveys are in general an efficient and flexible means of collecting a wide range of information from large numbers of respondents. These are...
Commentary
2009 Pandemic Influenza H1N1: Paediatric Perspectives
The pandemic H1N1 influenza virus, containing genes from avian, human and swine influenza viruses, emerged in North America, and caused illness in more than...
Others
Severe Infection with H1N1 Requiring Intensive Care – Lessons for Preparedness Programmes
Severe cases of influenza have traditionally generated much interest. The pandemic of 1957 provided instructive materials on the subject, with publications on the pulmonary...
Others
International Health Regulations: Lessons From the Influenza Pandemic in Singapore
By virtue of the International Health Regulations (IHR) which came into force on 15 June 2007, countries are required to report specific infectious diseases...
Review Article
Influenza A (H1N1-2009) Pandemic in Singapore – Public Health Control Measures Implemented and Lessons Learnt
The novel influenza A(H1N1) outbreak was officially declared a pandemic by the World Health Organization (WHO) on 11 June 2009. We describe the public...
Original Article
Attitudes of Patients, Visitors and Healthcare Workers at a Tertiary Hospital Towards Influenza A (H1N1) Response Measures
Following the announcement by the World Health Organization (WHO) that outbreaks of a novel influenza virus had occurred in Mexico and several parts of...
Original Article
Outbreak of Novel Influenza A (H1N1-2009) Linked to a Dance Club
Influenza A (H1N1-2009) is a novel strain of influenza virus. The infection is thought to have first occurred in Mexico in March 2009, and...
Original Article
Obstetric Outcomes of Influenza A H1N1 (2009) Infection in Pregnancy – Experience of a Singapore Tertiary Hospital
Influenza A H1N1 (2009) is a new viral strain containing gene segments from human, swine and avian lineages. Soon after reports of human cases...
Original Article
Tracking the Emergence of Pandemic Influenza A/H1N1/2009 and its Interaction with Seasonal Influenza Viruses in Singapore
The global preparedness that followed the severe acute respiratory syndrome (SARS) outbreaks of 2003 and the re-emergence of a potentially pandemic avian influenza A/...
Original Article
An Epidemiological Study of 1348 Cases of Pandemic H1N1 Influenza Admitted to Singapore Hospitals from July to September 2009
On 17 April 2009, the US Centers for Disease Control (CDC) determined that febrile respiratory illness occurring in 2 children residing in adjacent counties...
Original Article
Outbreak of Pandemic Influenza A (H1N1-2009) in Singapore, May to September 2009
The first cases of infection with a novel influenza A (H1N1) strain were reported in 6 cases in California and 2 cases in Texas...
Original Article
Pandemic (H1N1) 2009: Clinical and Laboratory Findings of the First Fifty Cases in Singapore
Just over a year ago, the swine-origin influenza A (H1N1) virus emerged in Veracruz, Mexico, and rapidly alarmed public health and influenza experts by...
Editorial
The Influenza A (H1N1) 2009 Pandemic in Singapore
Just over a year ago, the swine-origin influenza A (H1N1) virus emerged in Veracruz, Mexico, and rapidly alarmed public health and influenza experts by...
Commentary
Tuberculosis – An Under-appreciated Disease
Tuberculosis (TB, as usually abbreviated) is a major cause of morbidity and mortality in many countries, and a significant public health problem worldwide. The...
Others
Angioplasty on an Infarct-related Anomalous Right Coronary Artery Arising from Posterior Coronary Sinus
A 60-year-old chronic smoker had delayed presentation (>18 hours) of acute inferior myocardial infarction with electrocardiogram showing 1.0 mm ST-segment elevation in leads II,...
Others
Complete Atrioventricular Block Complicating Acute Anterior Myocardial Infarction can be Reversed with Acute Coronary Angioplasty
Complete atrioventricular block (AVB) develops in more than 5% of patients with myocardial infarction (MI). These patients have poorer outcomes compared to those without...
Review Article
Acute Myocardial Infarction in Pregnant Women
Acute myocardial infarction (AMI) is an important cause of mortality and morbidity worldwide. It typically occurs in middle-aged or elderly people with cardiovascular risk...
Review Article
Risk Stratification for Sudden Cardiac Death after Acute Myocardial Infarction
In today’s modern era of evidence-based medicine and interventional cardiology, most patients who suffer an acute myocardial infarction (AMI) are started on medication with...
Review Article
Adjunctive Pharmacologic Agents and Mechanical Devices in Primary Percutaneous Coronary Intervention
Primary percutaneous coronary intervention (PPCI) has been shown to be superior to thrombolysis in patients presenting with ST-segment elevation acute myocardial infarction (STEMI), with...
Review Article
Management of Antiplatelet Therapy During Acute Percutaneous Coronary Intervention: New Strategies and Therapeutics
Platelet adhesion, activation, and aggregation are stimulated during an acute coronary syndrome (ACS), the result of intimal injury due to rupture of an atherosclerotic...
Review Article
Risk Assessment Models in Acute Coronary Syndromes and Their Applicability in Singapore
Strategies for managing cardiovascular disease are evolving rapidly. This evolution and improvement in care is responsible for reducing mortality especially in patients presenting with...
Review Article
Current Trends in Diagnostic Biomarkers of Acute Coronary Syndrome
Advances in our understanding of the pathophysiology of acute coronary syndrome (ACS) have led to the marked increase in development of biomarkers for diagnosis,...
Review Article
Update on Clinical Imaging of Coronary Plaque in Acute Coronary Syndrome
Acute coronary syndrome (ACS) encompasses the clinical spectrum of unstable angina (UA) and acute myocardial infarction (AMI). Most ACS are precipitated by luminal thrombi...
Review Article
Panic Attack and its Correlation with Acute Coronary Syndrome – More Than Just a Diagnosis of Exclusion
Acute coronary syndrome (ACS) is a life-threatening condition which benefits from prompt evaluation and proper treatment, such that it would be considered negligent for...
Review Article
Research on Psychoneuroimmunology: Does Stress Influence Immunity and Cause Coronary Artery Disease?
In recent decades, there has been increasing interest in exploring the relationship between psychological stress and various health conditions. An enlarging body of evidence...
Original Article
Clinical and Angiographic Findings of Complete Atrioventricular Block in Acute Inferior Myocardial Infarction
Complete atrioventricular block (AVB) complicates inferior wall myocardial infarction (MI) in 11% to 15% of cases. It usually clusters with conditions indicative of poor...
Original Article
Reperfusion Strategy and Mortality in ST-Elevation Myocardial Infarction among Patients with and without Impaired Renal Function
Randomised controlled trials have demonstrated better outcomes with primary percutaneous coronary intervention (PCI) over fi brinolytic therapy in the treatment of ST-segment elevation myocardial...
Original Article
Gender Disparity in Patients Undergoing Percutaneous Coronary Intervention for Acute Coronary Syndromes – Does it Still Exist in Contemporary Practice?
Globally, cardiovascular disease (CVD) is the single most common cause of death among women; and in parallel with an increasing life expectancy, the proportion...
Original Article
The Impact of Gender on the Outcomes of Invasive versus Conservative Management of Patients with Non-ST-Segment Elevation Myocardial Infarction
Recent studies have suggested differences in clinical outcomes between men and women following acute myocardial infarction (AMI). Some studies have indicated poorer survival of...
Original Article
Framingham Risk Score Inadequately Predicts Cardiac Risk in Young Patients Presenting with a First Myocardial Infarction
Cardiovascular disease (CVD) is a major cause of morbidity and mortality worldwide. The Framingham Risk Score (FRS) was derived from the Framingham Heart Study...
Editorial
Acute Coronary Syndrome: from Epidemiology to Treatment
The term “acute coronary syndrome” (ACS) was introduced a decade ago to describe a spectrum of conditions resulting in acute myocardial ischaemia. It comprises...
Others
Knowledge and Practice of Household Mosquito Breeding Control Measures between a Dengue Hotspot and Non-Hotspot in Singapore
Dengue is the most common mosquito-borne viral disease in the world and its severity is reflected by a 30-fold increase over the last 50...
Original Article
Off-Pump versus On-Pump Coronary Artery Bypass Procedures: Postoperative Renal Complications in an Asian Population
To date, the major part of routine cardiac surgery is performed using extracorporeal circulation with cardioplegic arrest. Regardless the technique of cardioplegia, temporary renal...
Editorial
Challenges Facing the Control of Leprosy in the Indian Context
Leprosy is a chronic infectious disease caused by Mycobacterium leprae and mainly affects the skin, peripheral nerves, the eyes and the mucosa of the...
Letter to the Editor
Plasma IP-10 could identify early lung disease in severe COVID-19 patients
Dear Editor,
The global pandemic of SARS-Coronavirus-2 (SARS-CoV-2) infection has imposed tremendous strain on healthcare resources worldwide, as a significant proportion of patients require...
Images in Medicine
Catheter Entrapment During Cardiac Electrophysiology Study
A 50-year-old man underwent cardiac electrophysiology study for palpitations. Under fluoroscopic guidance, 1 deflectable decapolar and 2 quadripolar diagnostic catheters
were introduced smoothly into the...
Images in Medicine
An Interesting Finding in a Patient with Chronic Diarrhoea
A 25-year-old man presented with intermittent selflimiting episodes of diarrhoea for 5 months. At times, he opened his bowel 8 times a day with...
Original Article
Adverse reactions and safety profile of the mRNA COVID-19 vaccines among Asian military personnel
The COVID-19 pandemic has led to significant changes in the way of life for many around the world.1,2 After more than a year, many...
Original Article
Factors reducing inappropriate attendances to emergency departments before and during the COVID-19 pandemic: A multicentre study
Since the first case of coronavirus disease 2019 (COVID-19) was reported in China in late December 2019, the pandemic has spread throughout the world,...
Letter to the Editor
Treatment of Coronary In-stent Restenosis with Drug-eluting Balloon Catheter: Real-world Outcome and Literature Review
Dear Editor,
Currently, coronary stent implantation is employed in approximately 90% of percutaneous coronary intervention (PCI) cases. Despite the use of drug-eluting stents (DES), coronary...
Original Article
Electrocardiograph Changes, Troponin Levels and Cardiac Complications After Orthopaedic Surgery
Following orthopaedic surgery, approximately 5% of patients sustain cardiac complications which leads to increased morbidity and mortality. The mortality rate after hip fracture is...
Letter to the Editor
Re: An Alternative Diagnosis: Bartonella Neuroretinitis
I would like to thank the authors for the reply to our case report. The differential diagnosis of Bartonella neuroretinitis in this patient was...
Letter to the Editor
An Alternative Diagnosis: Bartonella Neuroretinitis
We refer to the letter ‘Lyme Neuroretinitis in Singapore: A Diagnostic Dilemma’ published in the April 2012 Vol. 41 No. 4 issue of the...
Original Article
Long-term Outcomes of Medical Therapy Versus Coronary Revascularisation in Patients with Intermediate Stenoses Guided by Pressure Wire
Although coronary angiography has been used as the “gold standard” imaging technique for the diagnosis of coronary artery disease, it is essentially a lumenogram...
Editorial
MERS-CoV: Where Are We Now?
Prior to 2002, coronaviruses were known mainly for causing mild human upper respiratory tract infections (URTIs) and enteric and respiratory infections in many animals....
Letter to the Editor
Diagnosing Bacteraemia Early in Older Adults
Sepsis is a prevalent and important cause of morbidity and mortality in the general population. Approximately 750,000 patients in the United States alone develop...
Images in Medicine
Chest Pain, Something is Not Right…Or Left
A 46-year-old female was referred for evaluation of central chest pain unrelated to exertion. She was known to have diabetes mellitus, hypertension, and dyslipidaemia....
Original Article
Anaerobic Bacteraemia Revisited: Species and Susceptibilities
Over the last 2 decades, the importance of anaerobic bacteraemia has undergone various shifts in opinion. Early studies in the 1970s reported that anaerobes...
Original Article
A Novel “Box Lesion” Minimally Invasive Totally Thoracoscopic Surgical Ablation for Atrial Fibrillation
Atrial fibrillation (AF) is the most common and severe cardiac arrhythmia. It affects 0.4% to 1% of the general population, and the prevalence of...
Original Article
Safety and side effect profile of Pfizer-BioNTech COVID-19 vaccination among healthcare workers: A tertiary hospital experience in Singapore
The newly emerged coronavirus virus 2019 (COVID-19) disease was declared a Public Health Emergency of International Concern by the World Health Organization (WHO) on...
Original Article
Improved door-to-balloon time for primary percutaneous coronary intervention for patients conveyed via emergency ambulance service
Early reperfusion of ST-segment elevation myocardial infarction (STEMI) has been shown to result in better outcomes,1-3 and guidelines for treatment of STEMI recommend a...
Editorial
The Greying Pandemic: Implications of Ageing Human Immunodeficiency Virus-Positive Population in Singapore
Human immunodeficiency virus (HIV) remains a global public health issue. It is estimated that there are 37.9 million people living with HIV (PLHIV) today....
Images in Medicine
Bradycardia in a patient with lung cancer
A 70-year-old man presented with fatigue andbdyspnea. He denied any chest pain, orthopnea, pedalnoedema, dizziness and syncope. He had a history of hypertension, hyperlipidaemia...
Letter to the Editor
The “Jeff Cut”: A simple innovation to minimise up-riding sleeves of protective gown
Personal protective equipment (PPE) including the N95 mask, face shield, cap, splash-resistant gown and gloves are worn by frontline healthcare workers for various duties...
Commentary
Transthyretin amyloid cardiomyopathy: The emerging role of cardiac amyloid imaging
Transthyretin amyloidosis (or ATTR amyloidosis) is an under-recognised multisystemic disorder, arising from misfolding of transthyretin proteins into insoluble amyloid fibrils. As amyloid fibrils deposit...
Original Article
New-onset cardiovascular risk factors following liver transplantation: A cohort analysis in Singapore
Malnutrition is well described in liver cirrhosis. The hyperdynamic circulation and altered metabolism in cirrhosis result in a hypercatabolic state which accelerates tissue breakdown....
Commentary
ST-segment elevation myocardial infarction in post-COVID-19 patients: A case series
Coronavirus disease 2019 (COVID-19) has been associated with thromboembolic phenomenon in the early phase of disease. Growing evidence suggests a hypercoagulable state as well...
Editorial
Medical management of PAD: Expand or consolidate?
In this issue of the Annals, a rapid review of adherence to evidence-based medical treatment highlights an important and underappreciated aspect of the management...
Images in Medicine
Pelvic mass mimicking advanced tubo-ovarian malignancy with hepatic metastasis
A 49-year-old woman presented with mild pain in her lower abdomen and changes in bowel habits for 2 months. She also experienced 20kg of...
Letter to the Editor
Evaluation of the QIAstat-Dx Respiratory SARS-CoV-2 Panel for early diagnosis of COVID-19
An effective response to the SARS-CoV-2 that has caused the coronavirus disease 2019 (COVID-19) pandemic1 requires rapid and accurate diagnostic testing. We evaluate the...
Letter to the Editor
Antibiotic stewardship algorithm to rationalise antibiotic use among hospitalised COVID-19 patients
As presentation of COVID-19 may mimic that of bacterial pneumonia, antibiotics are often prescribed. Concerns regarding overuse of antibiotics are now being raised particularly...
Letter to the Editor
Attendance for ischaemic stroke before and during COVID-19 lockdown in Singapore
The coronavirus disease 2019 (COVID-19) outbreak has impacted healthcare systems worldwide. Globally, visits to the emergency department have fallen as much as 25% during...
Letter to the Editor
Radiological changes on chest CT following COVID-19 infection
COVID-19 infection is associated with high rates of hospitalisation and mortality, placing healthcare systems under strain. There are many reports regarding the non-contrast-enhanced high-resolution...
Letter to the Editor
Stress and resilience of paediatric healthcare workers during COVID-19
The coronavirus disease 2019 (COVID-19) pandemic has caused multiple changes in healthcare systems as governments implement measures to boost acute services. Healthcare workers (HCWs)...
Review Article
Severe COVID-19 and coagulopathy: A systematic review and meta-analysis
Manifestations of the coronavirus disease 2019 (COVID-19) span a wide clinical spectrum, from asymptomatic carriers to critical illness with a wide range of complications....
Editorial
Estimating the impact of COVID-19-induced coagulopathy
The current coronavirus disease 2019 (COVID-19) pandemic has exerted significant strain on healthcare worldwide. Mostly asymptomatic or mildly symptomatic, COVID-19 caused by SARS-CoV-2 is...
Letter to the Editor
Dynamic mitral regurgitation treated with MitraClip
The dynamic nature of mitral regurgitation (MR) has been well appreciated but clinically under-recognised. In addition, evidence on therapeutic options for dynamic MR has...
Letter to the Editor
Percutaneous paravalvular leak repair for severe aortic regurgitation after transcatheter aortic valve implantation (TAVI)
Paravalvular leaks (PVLs) are not uncommon after surgical valve replacement. The need for re-operation for clinically significant leaks is between 1 and 3%. Percutaneous...
Letter to the Editor
Impact of COVID-19 on mental health and occupational burnout in a surgical unit in Singapore
In this study, we assessed the impact of COVID-19 on the psychological well-being and burnout among staff who manage critically ill general surgery and...
Commentary
Optimum early orthopaedic surgery in COVID-19 patients
Multiple guidelines have been established regarding the management of COVID-19 patients. However, there remains a paucity regarding specific guidelines on the optimal timing for...
Original Article
Vulnerability to rumours during the COVID-19 pandemic in Singapore
The global outbreak of coronavirus disease 2019 (COVID-19) has come with increased psychological burden. In several meta-analyses, depression and anxiety symptoms have been found...
Original Article
Behavioural changes during the COVID-19 pandemic: Results of a nationwide survey in Singapore
In response to the global outbreak of coronavirus disease 2019 (COVID-19), Singapore undertook a multipronged approach to contain the pandemic. Of note, when community...
Original Article
Impact of dispatcher-assisted cardiopulmonary resuscitation and myResponder mobile app on bystander resuscitation
Out-of-hospital cardiac arrest (OHCA) is a leading cause of mortality worldwide, with a global incidence of 62 cases per 100,000 person-years. In addition, there...
Editorial
The impact of COVID-19 pandemic on global mental health: From the general public to healthcare workers
The COVID-19 pandemic began in late 2019 and was declared a pandemic by the World Health Organization (WHO) on 11 March 2020. To decrease...
Review Article
Living with COVID-19: The road ahead
The COVID-19 pandemic has made an unprecedented impact on global morbidity, mortality and healthcare measures to contain the infection.1 Multiple waves of infections in...
Editorial
The Novel Coronavirus (SARS-CoV-2) Pandemic
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic began in early December in Wuhan, the 7th most populous city in Mainland China, and...
Review Article
Precautions When Providing Dental Care During Coronavirus Disease 2019 (COVID-19) Pandemic
Coronavirus disease 2019 (COVID-19) is caused by novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and was first reported to the World Health Organization...
Commentary
Autism Spectrum Disorder and COVID-19: Helping Caregivers Navigate the Pandemic
The coronavirus disease 2019 (COVID-19) pandemic has disrupted societies globally. As of 11 May 2020, 53 children have been infected with COVID-19 in Singapore...
Letter to the Editor
Cross-reaction of Sera from COVID-19 Patients with SARS-CoV Assays
SARS-CoV-2 is a new zoonotic coronavirus (CoV) that emerged in Wuhan, China, which was first reported to the World Health Organization (WHO) on 31...
Review Article
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...
Original Article
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...
Review Article
Managing a Renal Transplant Programme During the COVID-19 Pandemic: Practical Experience from a Singapore Transplant Centre
As infrastructure and policies were being put in place to combat COVID-19, we recognised that specialty-specific policies and protocols had to be drawn up...
Review Article
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...
Original Article
Pregnancy Outcomes in COVID-19: A Prospective Cohort Study in Singapore
Since the first cases of coronavirus disease 2019 (COVID-19) in pregnancy were described, significant concerns have been raised about the potentially increased susceptibility of...
Review Article
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...
Letter to the Editor
Resuming otolaryngology services following a COVID-19 lockdown in Singapore
When the COVID-19 outbreak first occurred, we tweaked our department workflows to cope with the various demands of our practice and the pandemic. When...
Letter to the Editor
COVID-19: Lessons from Thailand
The COVID-19 pandemic has massively disrupted the social and economy of many countries. Thailand has been successful in controlling the spread of the disease...
Letter to the Editor
Hypervirulent Klebsiella pneumoniae carriage in polyclinic attendees and national servicemen presenting with diarrhoea
Klebsiella pneumoniae liver abscess is an invasive syndrome that mainly affects people living in East Asia. It especially affects adults with diabetes and is...
Commentary
Videoconsultation to overcome barriers during COVID-19
Since February 2020, Government Restructured Hospitals in Singapore began deferring non-urgent outpatient appointments. This aimed to facilitate physical distancing and reallocate healthcare resources to...
Review Article
Teleophthalmology and its evolving role in a COVID-19 pandemic: A scoping review
The World Health Organization declared coronavirus disease 2019 (COVID-19) a Public Health Emergency of International Concern on 30 January 2020. To control the outbreak,...
Review Article
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...
Letter to the Editor
Positive RT-PCR detected in patients recovered from COVID-19
Positive real-time reverse transcription-polymerase chain reaction (RT-PCR) for SARS-CoV-2 nucleic acid following 2 consecutive negative RT-PCR tests have been reported in China and Korea....
Letter to the Editor
Cerebral venous thrombosis in a patient with mild COVID-19 infection
Emerging reports suggest venous and arterial thromboembolic diseases can complicate recovery from COVID-19. Postulated mechanisms include hypercoagulability, hypoxia, immobilisation, excessive inflammation and diffuse intravascular...
Letter to the Editor
Decrease in emergency department attendances during COVID-19 especially in school-going children
Health-seeking behaviour varies during a pandemic. Early reports have suggested reduced attendances at emergency departments (EDs), especially in paediatric patients and in patients with...
Original Article
Paediatric emergency department attendances during COVID-19 and SARS in Singapore
Coronavirus disease 2019 (COVID-19) was declared a pandemic by the World Health Organization (WHO) on 11 March 2020, with over 110 million cumulative cases...
Commentary
Mental Health Strategies to Combat the Psychological Impact of Coronavirus Disease 2019 (COVID-19) Beyond Paranoia and Panic
On 30 January 2020, the World Health Organization (WHO) declared the outbreak of coronavirus disease 2019 (COVID-19) an international public health emergency after the...
Original Article
Rapid Progression to Acute Respiratory Distress Syndrome: Review of Current Understanding of Critical Illness from Coronavirus Disease 2019 (COVID-19) Infection
In this report, we describe a patient who developed acute respiratory distress syndrome (ARDS) with rapid clinical deterioration. Unfortunately, not much is known about...
Original Article
Epidemiology and Control of Hand, Foot and Mouth Disease in Singapore, 2001-2007
Hand, foot and mouth disease (HFMD) is a common childhood viral infection, which is typically mild and self-limiting. It is characterised by a brief...