Others
A Case Report of Heparin Resistance due to Acquired Antithrombin III Deficiency
Intravenous heparin therapy is used in the management of angina and myocardial infarct with increasing frequency in recent years. Those patients who have been...
Others
Thoracoscopic Thymectomy for Myasthenia Gravis: A Case Report
Total thymectomy is the established surgical therapeutic method for generalised myasthenia gravis. Several approaches are used for the surgical removal of the thymus and...
Original Article
Changing the Institutional Practice of Prolonged Mechanical Ventilation after Coronary Artery Bypass Graft Surgery to Early Extubation
In the past, cardiac patients in this institution were ventilated postoperatively for a prolonged period, frequently overnight. Since 1997 some of our cardiac anaesthetists...
Original Article
Potentiation of Acetylcholine-induced Smooth Muscle Contraction in Rat Ileum by Lead
It is known that exposure of animals and humans to heavy metals such as lead can result in neurological dysfunction. Pharmacodynamic effects of lead...
Original Article
Bidirectional Cavopulmonary Anastomosis
Children with complex congenital heart disease and a functional single ventricle may not be ideal candidates for a Fontan procedure. A staged approach to...
Commentary
A Practical Technique of Colour Image Analysis: Applications in Experimental Research
Colour image analysers have been extensively used in medical research since 1970 for histomorphometric studies. Image analysis gives more information and a better understanding...
Commentary
Tissue Microangiography Using a Simplified Barium Sulphate Cadaver Injection Technique
The understanding of blood supply is the cornerstone of successful tissue transfer in reconstructive surgery. This understanding has been derived largely from cadaveric dissections,...
Commentary
Effect of Antiangiogenic Agents on Experimental Animal Models of Hepatocellular Carcinoma
Metastatic spread is the principal reason of treatment failure in solid tumours. Surgery, radiation therapy and chemotherapy have not manifestly altered the prognosis for...
Review Article
Gut Barrier Dysfunction in Experimental Acute Pancreatitis
Bacterial infections are devastating and potentially lethal complications of acute pancreatitis, responsible for up to 80% of deaths in the condition. Pathogenetic studies of...
Review Article
Experimental Models of Pancreatitis
From a historical perspective, the first experimental pancreatitis was induced by Claude Bernard in 1856 by the injection of bile and olive oil into...
Review Article
Immunological Consequences of Trauma and Shock
Despite intensive research and intervention, trauma continues to be the leading cause of death during the first three decades of life in the USA,...
Review Article
Murine Metastatic Tumour Models for Cancer Gene Therapy Research
In the evaluation of any new cancer treatment, the use of appropriate experimental animal tumour models to bridge the gap between in vitro discovery...
Review Article
Experimental Models of Hepatic Fibrosis in the Rat
Hepatic fibrosis and cirrhosis of the liver are complex diseases which, in man, may be caused by such varied factors as alcohol, hepatitis, schistosomiasis,...
Review Article
Development of the Human Intrahepatic Biliary System
The development of the human biliary system has been studied extensively. This knowledge is essential to the understanding of the pathogenesis of a spectrum...
Review Article
Regulation of Insulin Secretion by Nerves and Neuropeptides
The pancreatic islets of Langerhans were described by Paul Langerhans in 1869. They are distributed throughout the entire pancreas forming in adults approximately 1%...
Original Article
An Animal Model for the Study of Hepatic Stellate Cell and Hepatocellular Carcinoma Interaction
Hepatic stellate cells (HSC) are mesenchymal cells that are prominent in various forms of liver injury, in particular with cirrhosis or carbon tetrachloride-induced fibrosis....
Original Article
Establishment of Animal Models Using Experimental Rats for Allogeneic Tissue Transplantation and Quantitative Flow Cytometric Detection of Immunochimera
Allogeneic tissue and organ transplantation has long been an important medical issue, as it provides an effective treatment alternative for a broad spectrum of...
Original Article
Experimental Study of Hypovolaemic Shock-Induced Gastric Mucosal Lesions in the Rat
Hypoxic tissue injury is not only caused by lack of oxygen as was previously believed. Now it is clear that tissue injury associated with...
Original Article
The Role of Mast Cell Degranulation in Ischaemia-reperfusion-induced Mucosal Injury in the Small Intestine
Although a number of data support the notion that mast cell (MC) degranulation Is an important component of the tissue response elicited by ischaemia-reperfusion,...
Original Article
Synergistic Effect of Hepatitis B Virus and Aflatoxin B1 in Hepatocarcinogenesis in Tree Shrews
Primary hepatocellular carcinoma (HCC) is one of the commonest cancers in some parts of the world including several areas in China. The geographically distinct...
Original Article
The Expression of Insulin-like Growth Factor II, Hepatitis B Virus X Antigen and p21 in Experimental Hepatocarcinogenesis in Tree Shrews
Hepatocarcinogenesis is a multistage and multifunctional process. Epidemiological studies indicate that contamination of food with aflatoxin B, (AFB,) and chronic infection with hepatitis B...
Original Article
Nitric Oxide Synthase-Its Distribution and Alteration in the Intramural Ganglia of the Urinary Bladder in Normal and Urethra-obstructed Guinea Pigs
Nitric oxide (NO) has been recognised as a nonadrenergic noncholinergic (NANC) inhibitory neurotransmitter at various sites in the nervous system. Its function as a...
Original Article
Radionuclide Studies of Articular Cartilage in the Early Diagnosis of Arthritis in the Rabbit
Osteoarthritis is a common joint disease that involves destruction of articular cartilage. Magnetic resonance imaging (MRI) provides a sensitive imaging modality for the diagnosis...
Original Article
The Effect of Storage at -70°C and -150°C on the Torsion Properties of the Canine Femur
Allograft transplantation of bone has been established as a viable and useful reconstructive procedure when limb salvage is the option of choice. For bone...
Original Article
Direct Mucosal Targeting of Colonic Receptors by Prokinetic Drugs in an Experimental Model
The direct intraluminal (IL) administration of drugs into the intestine may have an important regional action and therefore clinical implications in the effective management...
Original Article
The Viability of Liver Graft for Transplantation After Prolonged Warm Ischaemia
Liver transplantation (LTx) is the treatment of choice for many patients with end stage liver disease. However liver allograft availability prevents its widespread application.
This...
Original Article
Use of Titanium Prosthesis to Bridge a Vertebral Gap in the Spine—A Preliminary Experimental Study
Bridging a vertebral gap in the spine is one of the commonest problems facing the spine surgeon after dealing with a tumour, infection or...
Original Article
A Simple Method of Blood Pressure Measurement in the Pig Using a Neonatal Cuff
Blood pressure is an important parameter commonly measured in experimental studies using animal models. Various non-invasive techniques to monitor blood pressure have been described...
Original Article
The Results of Autogenous Tibial Periosteal Transplants for Full Thickness Cartilage Defects in the Knee Joints of Pigs
Articular cartilage injuries to the knee are commonly seen by team doctors, sports physicians and orthopaedic surgeons. Despite many clinical as well as experimental...
Original Article
Microvascular Lung Tissue Oxygenation—A Methodological Study in the Pig
Although the lung is mostly referred to as a respiratory organ it also exhibits a variety of metabolic functions, e.g. uptake, storage and/or synthesis...
Editorial
The Philosophical Basis of the Experimental Method
The application of the experimental approach to Science and Medicine has its roots in the 16th century. William Harvey (1578-1657), who demonstrated the passage...
Others
Primitive Neuroectodermal Tumour of the Chest Wall—A Report of Two Cases and Review of Literature
Tumours of the chest wall are uncommon and are usually sarcomatous in nature. Primitive neuroectodermal tumours (PNETs) are rare and are thought to arise...
Original Article
Minimally Invasive Repair of Atrial Septal Defects—A Case Series
Atrial septal defect (ASD) forms the commonest grown up congenital heart diseases seen in cardiac surgical practice. Repair of this has become so safe...
Others
A Case Report on the Perinatal Management of a 30-week Preterm Baby with Congenital Complete Heart Block
The association between congenital complete heart block (CHB) and maternal autoimmune disorders has been described for many years. Maternal systemic lupus erythematosus (SLE) is...
Original Article
Cardiopulmonary Exercise Testing in Heart Transplant Candidates
Congestive heart failure (CHF) is a leading cause of cardiovascular morbidity and mortality. This syndrome tends to run a chronic course with a wide...
Original Article
Long-Term Outcome of Aortofemoral Bypass for Aortoiliac Occlusive Disease
The management of aortoiliac occlusive disease has been evolving in the past few decades. Surgical options include aortofemoral bypass, endarterectomy, extraanatomical bypass and endovascular...
Original Article
Abdominal Complications after Cardiac Surgery
Despite intensive therapeutic efforts, both the incidence and mortality of gastrointestinal complications after cardiac surgery employing cardiopulmonary bypass (CPB) have not decreased during the...
Original Article
Transesophageal Echocardiography or Fluoroscopy During Port-Access Surgery?
Minimally invasive techniques are increasingly being used in cardiac surgery. In particular, coronary artery bypass grafting (CABG) and mitral valve surgery are now often...
Others
Giant Pericardial Lipoma: Unusual Cause of Intrathoracic Mass
Cardiac and pericardial lipomas are very rare tumours. They remain asymptomatic for a long time and produce symptoms, if at all, by the virtue...
Others
A Case of a Diaphragmatic Rupture Complicated With Lacerations of Stomach and Spleen Caused by a Violent Cough Presenting With Mediastinal Shift
Diaphragmatic rupture is a recognised consequence of high-velocity blunt trauma to the abdomen and chest and also has been reported in 0% to 5%...
Review Article
Surgery for Atrial Fibrillation
Atrial fibrillation is the most common sustained cardiac arrhythmia. The overall prevalence of atrial fibrillation is 0.4%.
This article is available only as a PDF....
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...
Original Article
Deep Hypothermic Circulatory Arrest in Adults Undergoing Aortic Surgery: Local Experience
The use of deep hypothermic circulatory arrest (DHCA) as a method of cerebral protection during aortic surgery was first described in 1975. Its use...
Original Article
Routine Microbiological Screening in Septic Patients in a Cardiac Surgical Intensive Care Unit
Compared to in-hospital patients, patients treated in an intensive care unit (ICU) have the highest risk of contracting an infection. The risk correlates well...
Letter to the Editor
Inadvertent Fracture During the Attempted Removal of Entrapped Swan-Ganz Catheter
Pulmonary artery catheter is widely used in cardiovascular surgical practice. Various complications of the Swan-Ganz catheter during insertion, its long-term placement, or removal are...
Others
Pathological Pulmonary Hernia in a Patient With Metastatic Breast Cancer
Pulmonary hernia is a rare and uncommon clinical entity that has been defined as a protrusion of pleural membranes or lung parenchyma through the...
Others
Thoracic Complications of Radiofrequency Ablation of Recurrent Hepatoma
Radiofrequency ablation (RFA) intended to produce complete thermal necrosis of unresectable primary or secondary hepatic malignancies have gained widespread availability and acceptance over the...
Original Article
Off-pump Coronary Artery Bypass is a Safe Option in Patients Presenting as Emergency
Percutaneous coronary intervention (PCI) is the preferred therapy strategy for revascularisation in the case of an acute coronary syndrome (ACS) or acute myocardial infarction...
Letter to the Editor
Asia’s First Successful Minimally Invasive Transapical Transcatheter Mitral Valve-in-Valve Implantation
Dear Editor,
Reoperation for mitral valve re-replacement in patients with patent coronary bypass grafts can be a formidable task in the elderly. We report a...
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...
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...
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...