Comparison of the acute renal and peripheral vascular responses to frusemide and bumetanide at low and high dose

A P Passmore, E M Whitehead, G D Johnston

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

1. The effects of equipotent doses of frusemide (10 mg and 100 mg) and bumetanide (250 micrograms and 2.5 mg) upon renal and peripheral vascular responses, urinary prostaglandin excretion, plasma renin activity, angiotensin II and noradrenaline were compared in nine healthy volunteers. 2. Frusemide (10 mg and 100 mg) and bumetanide (2.5 mg) increased renal blood flow acutely compared with placebo but bumetanide (250 micrograms) had no effect. The changes in peripheral vascular responses were not significantly different from placebo. 3. Urinary prostaglandin metabolite excretion was acutely increased by all treatments, with no inter-treatment difference. Plasma renin activity was increased acutely by both doses of frusemide and by bumetanide (2.5 mg) compared with placebo and to bumetanide (250 micrograms). There were no differences between the latter two treatments. Angiotensin II was increased significantly 30 min after frusemide 100 mg and bumetanide 2.5 mg, and by all four treatments at 50 min when compared with placebo. There were no significant differences between either of the low doses or the higher doses. Plasma noradrenaline was unchanged by all treatments. 4. Frusemide 100 mg and bumetanide 2.5 mg have the same effects on the renal vasculature and the renin-angiotensin-prostaglandin system. Under the conditions of this study, frusemide 10 mg had different effects on plasma renin activity than bumetanide 250 micrograms.
Original languageEnglish
Pages (from-to)305-12
Number of pages8
JournalBritish Journal of Clinical Pharmacology
Volume27
Issue number3
Publication statusPublished - 1989

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