PMID: 7018773May 1, 1981Paper

Effects of furosemide-induced plasma volume reduction on plasma antidiuretic hormone in normal and hypertensive subjects

Clinical Nephrology
J De LimaR Ardaillou

Abstract

Plasma antidiuretic hormone (ADH) was measured before and after furosemide administration in hypertensive patients (essential benign hypertensions with low plasma renin activity) and in normal subjects. Furosemide-induced reduction of plasma volume was about 10% after 2 hours. In normal subjects, plasma ADH rose progressively till the end of the study (1.5 pg/ml per hour corresponding to about 3 pg/ml per liter of plasma water lost) whereas it remained unchanged in hypertensive patients. There was an early increase of plasma renin activity (PRA) in normal subjects followed by a progressive fall. PRA response was blunted in hypertensive patients. These results show that volume-dependent ADH secretion is inhibited in patients with essential benign hypertension.

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