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Stimulation of aldosterone secretion by metoclopramide is not affected by chronic converting enzyme inhibition.

Authors
  • Dupont, A G
  • Vanderniepen, P
  • Smitz, J J
  • Six, R O
Type
Published Article
Journal
European journal of clinical pharmacology
Publication Date
Jan 01, 1985
Volume
29
Issue
2
Pages
207–210
Identifiers
PMID: 3000795
Source
Medline
License
Unknown

Abstract

To assess if dopaminergic control of aldosterone secretion is mediated by the renin-angiotensin system, the effect of chronic angiotensin converting enzyme inhibition by enalapril on the aldosterone response to metoclopramide has been studied in 10 patients with mild to moderate essential hypertension. Enalapril reduced supine blood pressure and increased the heart rate significantly. Plasma renin activity and urinary sodium excretion rose significantly. PRA was not changed by metoclopramide, neither during placebo nor during enalapril treatment. Metoclopramide induced a two-fold increase in plasma aldosterone, the peak response being reached within 15 min. Enalapril treatment did not alter the aldosterone response to metoclopramide. Dopaminergic control of aldosterone secretion appears to be independent of the renin-angiotensin system.

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