1 The methodology and interim results of a post marketing surveillance of captopril, the first orally active angiotensin converting enzyme inhibitor are presented. 2 Utilising viewdata technology, details of hypertensive patients were entered directly into a mainframe computer. This allowed day to day monitoring of events; a facility not available with paper‐based methods. 3 The design of the study allowed analysis of results including some details of efficacy, concomitant therapy, any disease symptoms and reasons for withdrawal. These factors could be categorised according to sex and age. 4 This preliminary report is based on the first 13,295 patients entered from July 1983 with follow‐ up until January 1985. The results of the study confirm the safety of captopril in the patients studied.
Gonadotropin releasing hormone 500 mcg was administered twice daily to four patients (two male, two female) with hypogonadotrophic hypogonadism due to LHRH deficiency, for a minimum of 1 year. Despite initially encouraging biochemical responses and physical changes in all four patients, gonadotrophin responsiveness waned, sex steroid levels were not maintained and pubertal development has not occurred. This diminishing responsiveness appears to be a severe limitation on the use of LHRH as a therapeutic agent.
1 This study has compared the diuresis produced by a single oral administration of 6 mg piretanide, 9 mg piretanide and 1 mg bumetanide in a group of nine patients with cardiac failure using a balanced randomized design. 2 The natriuresis and kaliuresis produced in the first 6 h after administration of piretanide 9 mg and bumetanide 1 mg were similar. Piretanide 6 mg produced a lesser response. 3 There was evidence of sodium and water conservation following the diuresis for up to 48 h with all three treatments. 4 The patterns of urate and calcium excretion were similar for the two diuretics.
g3 A prospective study in Nottingham hospitals, serving X million population, identified 25 potential kidney donors in one year. Seventeen later died in circumstances when kidney donation would have been possible. Twelve kidneys were actually removed for transplantation out of the possible 34. The reasons for failure to donate kidneys were either relatives' refusal or a failure of the doctors looking after those patients to consider them as potential donors. If all possible donors had their kidneys removed there would be sufficient available to approximately equal the numbers of patients likely to require renal transplantation.
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