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

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

Cardiovascular effects of COVID-19 in children

The global coronavirus disease 2019 (COVID-19) pandemic was caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). While the respiratory system is  the...

COVID-19: The virus, vaccine and paediatric heart

The coronavirus disease 2019 (COVID-19) pandemic has resulted in much morbidity and mortality around the world. The development of vaccines has cushioned the effect...

Perinatal mental health in Singapore: Implementation opportunities and relevance of gender-carer roles in screening

In this issue of the Annals, the consensus statement on perinatal mental health by Chen et al. covers the handling of depression and anxiety...

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...

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...

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...

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...

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...

Impact of COVID-19 on mental health and social service provision in Singapore: Learnings from a descriptive mixed-methods study for future resource planning

Coronavirus disease 2019 (COVID-19) was declared a global health emergency by the World Health Organization in January 2020.1 Singapore reported its first case of...

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

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

Impact of COVID-19 on mental health and healthcare service delivery

The COVID-19 pandemic has claimed more than 6.8 million lives globally.2 While there is yet a cure for the disease, vaccines are now available...

Improving electrocardiogram interpretation in Asian athletes: A call to action

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

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

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

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

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

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...

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),...

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...

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

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

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

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

Employers’ attitudes towards employing people with mental health conditions

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

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...

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...

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...

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...

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

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

Cardiac sarcoidosis: Difficulties in diagnosis and treatment

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

Prevalence of burnout among healthcare professionals in Singapore

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

Bridging electroconvulsive therapy in schizophrenia with cognition and quality of life

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

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,...

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

The Coronavirus Disease 2019 (COVID-19) has affected almost all geographies in the world since 2020. Many countries have imposed strict isolation measures to contain...

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

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

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...

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...

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...

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...

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...

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...

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...

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...

Use of Atypical Neuroleptics in a State Mental Institute

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

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...

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...

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...

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

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

Intracoronary Brachytherapy: The Beginning of the End of Restenosis?

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

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...

How the Mental Hospital was Renamed Woodbridge Hospital in 1951

In the 1920s the government embarked on an ambitious programme to build hospitals, staffed largely by graduates of the King Edward College of Medicine....

Selective Serotonin Reuptake Inhibitor Discontinuation Symptoms

Selective serotonin reuptake inhibitors (SSRIs) are a new class of antidepressants which are effective, better tolerated with less side effects and more specific in...

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...

Under-diagnosed Psychiatric Syndrome II: Pathologic Skin Picking

Pathologic skin picking may be defined as the habitual picking of skin lesions, which when chronic and extensive, can lead to significant distress, dysfunction...

A Clinical Study of Seven Cases of Trichotillomania in Singapore

Trichotillomania was first described by a French dermatologist Hallopeau (1889) of a young man who pulled out his hair in tufts. The word trichotillomania...

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...

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...

Under-diagnosed Psychiatric Syndrome I: Trichotillomania

Trichotillomania (TTM) is a chronic psychiatric condition characterised by uncontrollable, self-inflicted, hair pulling, resulting in noticeable hair loss. First described by Hallopeau a century...

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...

Psychological Trauma, Physical Health and Somatisation

Trauma does not respect persons or culture. While Singapore is fortunate to have been spared large-scale disaster and war for decades, it has nevertheless...

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...

Medical Leave Granted to Psychiatric Inpatients—A One-year Retrospective Review

The Department of Psychological Medicine, National University Hospital (NUH) has a 26-bedded inpatient unit. This study retrospectively examines the medical leave granted to all...

Mental Health Literacy in Singapore: A Comparative Survey of Psychiatrists and Primary Health Professionals

The management of mental health disorders within a nation requires a system of care extending from the primary health care setting to tertiary and...

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...

Identification of Genes for Schizophrenia Susceptibility

Schizophrenia, described as “the most human of all diseases,” affects about 0.5 % to 1% of the population and typically develops in the early...

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...

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...

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...

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,...

Muscle Dysmorphia in a Young Chinese Male

In 1891, Morselli described “dysmorphophobia” in 78 patients who were severely miserable, preoccupied and distressed by perceived deformities. The word “dysmorphia” in Greek means...

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,...

Contrasting Clozapine Prescribing Patterns in the East and West?

Schizophrenia is a severe mental illness which causes enormous suffering, impaired social and occupational functioning, as well as higher mortality among the sufferers. The...

Pericarditis and myocarditis after COVID-19 mRNA vaccination in a nationwide setting

The coronavirus disease 2019 (COVID-19) pandemic has resulted in much morbidity and mortality worldwide. The development of mRNA vaccines has heralded much hope in...

Cardiac Effects of Psychotropic Drugs

The incidence of mortality is higher among psychiatric patients than among the general population and the cause of which may be the psychiatric disorder...

Men Who Commit Rape in Singapore

Of all the sexual crimes committed, rape stands out as one of the most serious forms of sexual assault, yet there is a general...

Psychiatric Illness, Personality Traits and the Irritable Bowel Syndrome

Irritable bowel syndrome (IBS) is the most common functional gastrointestinal disorder seen by gastroenterologists and has been found to account for 50% of referrals...

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...

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...

Behavioural Disorders in Childhood: A Singapore Perspective

A review of five Western epidemiological studies of children aged 6 to 11 years revealed an average prevalence of 25% for psychiatric disorder (ranging...

The Views of Mental Health Professionals Towards Psychotherapy—A Singapore Survey

There is a trend in Asia towards a greater application of psychotherapeutic approaches in multidisciplinary settings to emotional and behavioural disturbances. The inaugural issue...

Pilot Study to Assess the Viability of a Rape Trauma Syndrome Questionnaire

In their 1974 study, Burgess and Holmstrom1 interviewed a heterogeneous sample of 92 adult females admitted between 1972 and 1973 to the emergency ward...

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...

Thyroid Dysfunction in Chronic Schizophrenia Within a State Psychiatric Hospital

Thyroid dysfunction can give rise to various psychiatric symptoms. While there is a persistent interest in the role of thyroid axis in affective disorders,...

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...

Mental Disorders and Public Safety of the Community at Large—Does the Tarasoff Principle Apply in Singapore?

In the course of their work, psychiatrists treat patients who, because of their mental disorders, may pose a danger to themselves and/or to others....

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...

Acute Coronary Syndrome—Factors Causing Delayed Presentation at the Emergency Department

Acute coronary syndrome (ACS) refers to a continuum of clinical entities ranging from unstable angina pectoris (UAP) to Q-wave myocardial infarction. Mortality rates from...

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...

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...

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...

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...

Preventing Youth Suicide

This letter is in reference to Dr Ung’s article published in the Annals which investigated youth suicide and parasuicide in Singapore. The study of...

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,...

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...

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...

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...

Five-Year Review of Adolescent Mental Health Usage in Singapore

The past 20 years have seen much growth in the knowledge of child and adolescent psychiatric practice. Research has provided an improved understanding in...

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...

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...

Post-SARS Psychological Morbidity and Stigma Among General Practitioners and Traditional Chinese Medicine Practitioners in Singapore

Severe acute respiratory syndrome (SARS) is the first severe and readily transmissible new disease to emerge in the 21st century (WHO). The countries most...

A Risk Reduction Approach for Schizophrenia: The Early Psychosis Intervention Programme

Schizophrenia is a serious mental disorder with a profound impact on patients, their caregivers and society. The Global Burden of Disease lists schizophrenia among...

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...

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...

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...

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...

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,...

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...

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...

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...

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...

Interleukin-2 Levels in Chronic Schizophrenia Patients

Autoimmune processes have been implicated in the pathogenesis of schizophrenia. Several pieces of indirect evidence point towards a role of autoimmune processes in at...

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...

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...

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...

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,...

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...

Abuse of Prescription Buprenorphine, Regulatory Controls and the Role of the Primary Physician

Buprenorphine is an opiate partial agonist that has been used for pain management, and in the past few years has been approved for the...

Reducing Polypharmacy Through the Introduction of a Treatment Algorithm: Use of a Treatment Algorithm on the Impact on Polypharmacy

The use of 2 or more antipsychotic medications (polypharmacy) for an episode of psychosis is pervasive despite the lack of evidence-based data. It is...

Socio-demographic Profile and Help-seeking Behaviour of Buprenorphine Abusers in Singapore

Opiate dependence is a major health and social concern in many countries across the world. The burden of disease is considerable, with surveys indicating...

Medicalising the Treatment of Opioid Dependence

Traditionally the treatment of opioid dependence in Singapore has not been viewed as a public health problem, but rather as a social problem that...

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...

“The one” Annoying Patient

Schizophrenia – a mind torn asunder – is a difficult illness to live with, both for the patient as well as for the caregiver;...

The Risk of Suicidality with Selective Serotonin Reuptake Inhibitors

The first antidepressants were discovered 50 years ago by chance. Monoamine oxidase inhibitors (MAOIs) and tricyclic antidepressants (TCAs) dominated the treatment of depression from...

Clinical and Social Correlates of Duration of Untreated Psychosis in First-episode Psychosis Patients

First-episode studies of schizophrenia have reported that the longer the duration of untreated psychosis (DUP), the poorer the response to antipsychotic medication and treatment...

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...

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...

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...

Performance Measures for Mental Healthcare in Singapore

Mental disorders are prevalent worldwide and while they are disabling and costly, they have not received that amount of attention and resources needed. A...

Mental Health Professionals’ Perceived Barriers and Benefits, and Personal Concerns in Relation to Psychiatric Research

Epidemiological research has shown that mental disorders can result in considerable healthcare and other opportunity costs. There are some reports that have highlighted the...

Pathways to Specialist Care in an Insomnia Clinic at a Psychiatric Hospital: A Comparative Analysis of Two Periods

The complaint of insomnia is common and patients generally either self-medicate and/or consult primary healthcare providers. Referrals to a specialist for further management largely...

Suicide

The word suicide is derived from the Latin word suicidium, itself derived from sui (of oneself) and cidium (a killing; caedere = to kill....

Behavioural Sleep Disorders in Children and Adolescents

Overall, children spend one-third to one-half of their life sleeping. Although sleep comprises such a significant portion of a child’s day, sleep disturbances are...

Hypnotherapy for Sleep Disorders

Derived from ‘Hypnos’, the Greek God of sleep, the word hypnosis literally means sleep. Ironically, hypnosis is not a form of sleep but a...

Sleep Disturbances in Singaporean Children with Attention Deficit Hyperactivity Disorder

Attention deficit hyperactivity disorder (ADHD) is a common childhood psychiatric disorder with various studies reporting prevalence rates of between 1.7% and 16%. The most...

Neuropsychiatry – An Emerging Field

Neuropsychiatry can be described as the interface between neurology and psychiatry – the intersecting field of enquiry for both the brain and the mind....

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...

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...

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...

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...

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...

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....

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,...

Providing Integrated Mental Health Services in the Singapore Primary Care Setting – the General Practitioner Psychiatric Programme Experience

Mental disorders are recognised as a major public health problem worldwide, and the management of mental health problems places an enormous burden on health...

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...

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...

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...

Prevalence and Correlates of Excessive Internet Use among Youth in Singapore

There has been an explosive growth of Internet usage worldwide and this is expected to continue with its use becoming an integral part of...

The personal recovery movement in Singapore – past, present and future

Early psychiatric conceptions of successful mental health recovery traditionally focused on reducing or eradicating symptoms.1 The personal recovery movement of the early 1990s in...

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,...

Impact of Depression on Health Related Quality of Life in Patients with Diabetes

Diabetes Mellitus (DM) is a serious chronic illness that imposes significant morbidity and mortality and has a major impact on the quality of life...

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...

Management of a Patient with Schizophrenia and Underlying Pituitary Macroadenoma

Hyperprolactinemia was found to be prevalent in a multi-centred study of 402 patients with schizophrenia, schizoaffective disorder and schizophreniform disorder treated with conventional antipsychotics...

Psychological Symptoms in People Presenting for Weight Management

Multiple factors contribute to the genesis and maintenance of obesity which is a difficult condition to treat and weight loss is often not maintained....

Preventive Psychiatry

In medicine, measures that save the most lives and improved the quality of life of millions have largely been public health measures that in...

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...

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...

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...

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...

Monthly Take-Home Methadone Maintenance Regime for Elderly Opium-Dependent Users in Singapore

The misuse of illicit opiates remains a global problem, placing a heavy burden on society. Literature on the effectiveness of opiate substitution pharmacotherapies in...

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...

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...

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...

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...

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...

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,...

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...

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...

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...

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...

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...

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...

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,...

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...

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...

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...

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...

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...

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...

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...

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...

Reply from Author: Is It Time to Revise the Definition of Attention Deficit Hyperactivity Disorder?

We would like to thank the author for suggesting that the definition of ADHD should be revised. This is an important consideration in the...

Is It Time to Revise the Definition of Attention Deficit Hyperactivity Disorder?

I read with interest the article published in the Annals entitled “Attention Deficit Hyperactivity Disorder: Coping or Curing?”, which concluded that coping rather than...

Socio-demographic Profile and Psychiatric Comorbidity of Subjects with Pathological Gambling

Gambling has been defined as a wager of any type of item or possession of value upon a game or event of uncertain outcome...

Weight Gain in Asian Patients on Second-generation Antipsychotics

Weight gain is a serious side-effect with antipsychotic medication use. There is increasing evidence that with certain second-generation antipsychotics (SGA) weight gain liability is...

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...

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...

Effectiveness of Assertive Community Management in Singapore

In Asia, various community programmes have been adopted and studied in several countries in an effort to promote de-institutionalisation, community psychiatric services and reduce...

Height and Mental Health and Health Utility Among Ethnic Chinese in a Polyclinic Sample in Singapore

Several studies have found adult height predictive of mental health and emotional well-being. A study of Swedish conscripts demonstrated an inverse association between height at...

You Are Worth More Than What You Weigh: Preventing Eating Disorders

Times have changed. Maternal mortality rates at the start of the 1900s were around 1 in 100 live births in the best maternity institutions....

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...

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...

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...

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....

An Analysis of Blinding Success in a Randomised Controlled Trial of Fish Oil Omega-3 Fatty Acids

There has been growing interest in the use of dietary supplementation to treat psychiatric disorders. In particular, supplementation of omega-3 fatty acids has been...

Schizophrenia as a Lifelong Illness: Implications for Care

The management of schizophrenia has advanced considerably since the term was first coined in 1911, with Kraepelin’s early pessimism tempered by more recent evidence...

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...

Integrating mental healthcare in primary care in Singapore

Management of mental health conditions can be both resource-intensive and costly. The rigour of obtaining appointments and the long waiting time at tertiary hospitals,...

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...

Prehabilitation and Its Role in Geriatric Surgery

The population in Singapore is ageing rapidly. According to statistics, by 2030, 1 in 2 adults in Singapore will be >65 years old. As...

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...

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....

Seasonal haze: Knowledge gaps and risk perception behaviours

The seasonal haze in Southeast Asia has been a recurrent concern whenever we enter the southwest monsoon season (June–September). This phenomenon, caused by agricultural...

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...

Dietary intake of persons with depressive and psychotic disorders in Singapore

Unhealthy diet is a modifiable risk factor in many health conditions, including mental disorders. Nutritional psychiatry is an emerging field that examines the role...

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...

Nutritional psychiatry: The next frontier in mental health treatment

The World Health Organization has envisioned for every human being’s fundamental right to be able to enjoy the highest attainable standard of health, even...

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...

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...

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...

A resuscitation course designed for a psychiatric hospital

It is challenging to maintain the resuscitation skills of doctors in a psychiatric hospital. Our study describes a resuscitation course designed specifically for the...

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...

Psychosocial impact of the COVID-19 pandemic on paediatric healthcare workers

Early studies done in China during this COVID-19 pandemic have shown considerable mental health impact on healthcare workers (HCWs), especially those working on the...

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...

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...

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...

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...