Shi Hon Ng

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OBJECTIVES To study the acute clinical presentations of ketamine abusers in Hong Kong. DESIGN Retrospective chart review. SETTING Fifteen accident and emergency departments in Hong Kong. PATIENTS Consultations associated with recent ketamine use either confirmed by history or urine test were searched for from the database of the Hospital Authority(More)
OBJECTIVE To investigate and ascertain the source of a nursing home outbreak of gastroenteritis in Melbourne in 1997. METHOD A retrospective cohort study. We obtained fecal and food samples and environmental swabs, and reviewed food handling. RESULTS There were 25 cases, and 21 of these had their meals pureed (liquidised). The relative risk for eating(More)
BACKGROUND Health authorities in Victoria, Australia were notified of three men from a rural town with atypical pneumonia, admitted to hospital over 8 days. Initial serological testing suggested Chlamydia psittaci as the cause. We did a case-control study to find risk factors for psittacosis. METHODS We searched for cases of pneumonia or severe flu-like(More)
A double-blind, cross-over study was undertaken to compare inhalation of betamethasone valerate (BV, 800 microgram daily) with sodium cromoglycate (SCG, 80 mg daily) in twenty children requiring bronchodilators for perennial asthma. Each treatment period lasted 4 weeks but statistical comparisons were made only in respect of the last 14 days of each(More)
157 To the Editor—We read with interest Wong et al's paper on dilated common bile ducts (CBDs) mimicking choledochal cysts in ketamine abusers. we found two similar patients who had episodes of recurrent epigastric pain and were subsequently found to have CBD. The first patient was a 30-year-old man who abused ketamine since 2002 and presented with(More)
A 60-year-old man presented with acute onset of left hemiparesis and left hypoglossal nerve palsy with ipsilateral tongue swelling. He then progressed to tetraparesis in a few days. Cerebrospinal fluid showed cell protein dissociation. A nerve conduction study showed motor axonal neuropathy with sensory sparing. A subsequent blood test revealed anti-GD1b(More)
Percutaneous transluminal coronary angioplasty (PTCA) is an increasingly important technique for the treatment of patients with coronary artery disease. One hundred cases of PTCA were performed in Singapore General Hospital between 1985 to September 1988. 87% were males and 13% were females. The mean age of these patients were 55 +/- 9 SD years (range from(More)