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

British Journal of Clinical Pharmacology
A P PassmoreG D Johnston

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 effect...Continue Reading

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Apr 13, 2001·Journal of the American College of Cardiology·P S JhundJ J McMurray
Dec 15, 2000·Progress in Pediatric Cardiology·L Lowrie
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