Roberto Chong

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Crohn's disease (CD) is rare in the Chinese population, but lately there seems to be an increasing trend of CD in the Singapore Chinese population. We carried out a retrospective study of all Chinese patients with CD seen from 1987 to 1993 at the Singapore General Hospital. All patients were regularly followed up and treated. Disease activity was defined by(More)
BACKGROUND As part of a project to improve diabetes care in Fiji, we assessed the magnitude of problems posed by diabetic retinopathy in that country and compared the findings with those from an Australian diabetes centre. The relationship between diabetic retinopathy and nephropathy was also examined in a subset of patients. METHODS A medical team from(More)
Aplastic anaemia is a rare complication of Acute Viral Hepatitis. This complication occurs during the resolving phase of the hepatitis or can be delayed as long as six months after resolution. Most cases reported were associated with Non A and Non B hepatitis. We report a case associated with Acute Hepatitis B. The onset of aplasia during the acute phase of(More)
We describe nine asymptomatic chronic carriers of hepatitis B virus, four males and five females, with a mean age of forty-six years and all were Chinese, who developed exacerbation of hepatitis following chemotherapy for haematological malignancies. Seven patients had non-Hodgkin's lymphoma of whom three were treated with MACOP-B, two with BCEPP, one with(More)
INTRODUCTION Endoscopic sphincterotomy and stenting are established modes of treatment in the management of bile duct stones and cholangitis. It is the first choice of treatment when the patients are elderly and have other medical conditions rendering them unfit for surgery. AIMS We studied the immediate and long-term outcome of endoscopic stenting in(More)
We investigated the relative importance of "fear of arousal symptoms" (i.e., anxiety sensitivity) and "dissociation tendency" in generating ataque de nervios. Puerto Rican patients attending an outpatient psychiatric clinic were assessed for ataque de nervios frequency in the previous month, and they completed the Anxiety Sensitivity Index (ASI) and the(More)
The aim of this study was to analyze the incidence and risk factors of bacteremia after a febrile episode in uncomplicated pediatric recipients more than 2 months after liver transplantation, which has not previously been studied. This cross-sectional study was conducted over a 4-year period. Patients with known risk factors for sepsis at the time of(More)
Seroprevalence of hepatitis E is now documented in many countries around the world, but studies of its clinical manifestations and serologic course have been confined to endemic areas. We have prospectively evaluated the occurrence, evolution, and outcome of acute hepatitis E in our patients. Fifteen patients (11 men, 4 women; median age: 41 years) were(More)
The Ministry of Health (MOH) publishes clinical practice guidelines on Chronic Hepatitis B Infection to provide doctors and patients in Singapore with evidence-based guidance on managing important medical conditions. This article reproduces the introduction and executive summary (with recommendations from the guidelines) from the MOH clinical practice(More)