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Renal effects of nimesulide in furosemide-treated subjects
46 Suppl 1
In clinical settings where effective plasma volume is decreased, nonsteroidal anti-inflammatory drugs (NSAIDs) may induce acute renal failure. We have evaluated the effects of single and repeated doses of nimesulide on renal haemodynamics and electrolyte excretion in 8 healthy volunteers during a prolonged course of furosemide (frusemide). Under these study conditions, renal prostaglandin synthesis is expected to be elevated, with renal function being dependent upon increased levels of prostaglandins. Nimesulide induced an acute but transient decrease in indices of renal haemodynamics. Furosemide-induced increases in plasma renin activity and aldosterone levels were blunted, and urinary excretion of prostaglandin E2 was markedly reduced by nimesulide. The magnitude and time course of the natriuretic, kaliuretic and diuretic effects of furosemide were attenuated by nimesulide. Although the transient nature of the observed renal haemodynamic changes suggests that the risk of developing acute renal failure is small, the rise should be taken into account in patients with renal dysfunction. Sodium and potassium retention, and the blunting of the diuretic-induced electrolyte excretion, could be of clinical relevance. Nimesulide appears, therefore, to share the prostaglandin-dependent renal effects of other NSAIDs.
Adult Anti-Inflammatory Agents, Non-Steroidal/*adverse effects Dinoprostone/urine Drug Interactions Electrolytes/metabolism Furosemide/pharmacokinetics/*pharmacology Hemodynamic Processes/drug effects Humans Kidney/*drug effects/physiology Male Sulfonamides/*adverse effects
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