Copyright © 1983 by the European Society of Cardiology.
© 1983 The European Society of Cardiology
The renin-angiotensin-aldosterone system and the clinical course of acute myocardial infarction
Y
SKIDepartment of Cardiology, Postgraduate Medical School Warsaw, Poland
Received 12 March 1982; .
Requests for reprints to: L. Ceremu
y
ski, M.D., Department of Cardiology, Postgraduate Medical School, Szpital Grochowski, ul. Grenadierów 51/59, 04-073 Warszawa, Poland.
Abstract
To determine whether the renin-angiotensin-aldosterone system is stimulated in myocardial infarction, plasma renin activity and serum aldosterone were measured by radioimmunoassay in 95 patients with acute infarction. Urinary catecholamines, and sodium and potassium levels in blood and urine were also determined. Plasma renin activity and aldosterone were insignificantly increased in mild myocardial infarction as compared to a reference group comprising patients with angina pectoris. In patients with a complicated course, however, they were greatly augmented.
A close correlation was found between urine catecholamines and plasma renin activity and between urine noradrenaline and aldosterone. Aldosterone values were highly correlated with the urine potassium/sodium ratio.
Key Words: Acute myocardial infarction renin-angiotensin-aldosterone system
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