John Boey
University of Hong Kong
Internal medicineRadiologyEndocrinologySurgeryCardiothoracic surgeryMortality rateProspective cohort studyBiopsyCarcinomaPerforation (oil well)VagotomyNodule (medicine)Thyroid nodulesAbdominal surgeryRectumAbdominoperineal resectionThyroidColorectal cancerMedicineGastroenterology
27Publications
15H-index
923Citations
Publications 27
Newest
#1Peter W. K. Lau (HKU: University of Hong Kong)H-Index: 8
#2John Boey (HKU: University of Hong Kong)H-Index: 15
Last. Theo G. Lorentz (HKU: University of Hong Kong)H-Index: 6
view all 3 authors...
The ileo-anal pouch procedure is now a well-established method for dealing with ulcerative colitis and familial polyposis in many centres in the West. Experience in the Chinese population is not well documented, mainly due to the rarity of inflammatory bowel disease. This report documents the experience of a university teaching hospital in Hong Kong. Despite being a small series, the low complication rates and good functional results show that the pelvic pouch procedure has now evolved to a stag...
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#1FJ Branicki (HKU: University of Hong Kong)H-Index: 16
#2John Boey (HKU: University of Hong Kong)H-Index: 15
Last. John Wong (HKU: University of Hong Kong)H-Index: 86
view all 10 authors...
There were 12 hospital deaths in 433 patients (2.8%, 1.6% at 30 days) presenting with bleeding duodenal ulcer. Excluding patients who underwent immediate operation or early elective surgery, where ulcer size was measured at initial endoscopy rebleeding was evident in 40/288 patients (13.9%) and was associated with an increased mortality (0.4% v 12.5%) (p less than 0.0001). Rebleeding rates for ulcers less than or equal to 1 cm and greater than 1 cm were respectively 28/239 (11.7%) and 12/49 (24....
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#1Polly S. Y. Cheung (HKU: University of Hong Kong)H-Index: 16
#2Joseph M. H. Lee (HKU: University of Hong Kong)H-Index: 3
Last. John Boey (HKU: University of Hong Kong)H-Index: 15
view all 3 authors...
Patients with solitary thyroid nodules that are benign on aspiration biopsy are often treated nonsurgically. To find out if thyroxine therapy is effective, 74 patients were randomized to receive levothyroxine treatment or nothing. There were 8 males and 66 females. Their mean age was 39 years. The mean nodule size was 3.6 cm and the mean nodule duration was 11 months. All patients had normal serum thyroxine and thyroid stimulating hormone (TSH) levels, and positive thyrotropin releasing hormone ...
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#1FJ Branicki (HKU: University of Hong Kong)H-Index: 16
#2John Boey (HKU: University of Hong Kong)H-Index: 15
Last. John Wong (HKU: University of Hong Kong)H-Index: 86
view all 16 authors...
Clinical laboratory and endoscopic data were collected prospectively in 268 patients with bleeding gastric ulcer who were admitted between september 1985 and november 1987. There were 22 deaths, giving a hospital mortality rate of 8.2%. Surgery was undertaken in 68 patients (25.4%) with a mortality rate of 17.6% (11.8% al 30 days). There was one fatality in 104 (1.0%) patients > 60 years compared with 21 deaths (12.8%) in patients > 60 years (p > 0.001). Cirrhosis (p > 0.01), malignant disease (...
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#1John Boey (HKU: University of Hong Kong)H-Index: 15
#2F J BranickiH-Index: 1
Last. John WongH-Index: 86
view all 7 authors...
Simple closure, the conventional operation for perforated acute duodenal ulcers, is associated with symptomatic relapse in a large proportion of patients. In order to assess the role of immediate definitive surgery, 78 fit patients with perforated acute ulcers were prospectively randomized to undergo either closure alone or proximal gastric vagotomy with closure (PGV). Patients taking potentially ulcerogenic drugs or who had severe stress were excluded from the study. Both groups were comparable...
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#1John BoeyH-Index: 15
Last. A. PoonH-Index: 1
view all 6 authors...
#1Awc Kung (HKU: University of Hong Kong)H-Index: 26
#2J. T. C. Ma (HKU: University of Hong Kong)H-Index: 13
Last. John Boey (HKU: University of Hong Kong)H-Index: 15
view all 7 authors...
SUMMARY Acute suppression of insulin secretion from pancreatic insulinomas by long-acting somatostatin analogue SMS 201-995 has been documented. We report the chronic use of the drug in a patient with persistent hypoglycaemia due to benign pancreatic microadenomatosis with satisfactory control of plasma glucose level and reduction of insulin production. There was no tachyphylaxis or untoward side-effect noted during the 6-month treatment period.
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#1John Boey (HKU: University of Hong Kong)H-Index: 15
#2John Wong (HKU: University of Hong Kong)H-Index: 86
The incidence of perforation, complicating about 5% of duodenal ulcers, has not decreased proportional to the overall decline in peptic ulcer disease. To define the role of immediate definitive surgery, we conducted several prospective studies to identify risk factors that increase operative mortality as well as predictive factors associated with relapse after simple closure. Among 613 consecutive patients, major medical illnesses, preoperative shock, and perforations exceeding 24 hours' duratio...
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Fifty consecutive Chinese patients with primary hyperaldosteronism were studied. All were considered to have an adrenal cortical adenoma, this being proven by surgery in 46 cases. In contrast to other reports, periodic paralysis was a presenting feature in 42 per cent of patients. Other notable symptoms were palpitations (30 per cent) and syncope (12 per cent). Vascular complications were present in 20 per cent of cases. Mean serum potassium level at presentation was 2.1±0.1 (mean ±SEM) and sodi...
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