Aldosteronemia in patients with acute renal failure.

In 19 patients with acute renal failure the plasma renin activity and aldosterone were determined in the phase of anuria and oliguria. A highly increased plasma renin activity was found while aldosteronemia was only moderately raised. No significant correlation was demonstrated between plasma renin activity and aldosterone while a negative correlation was found between aldosteronemia and plasma sodium and bicarbonates concentrations. Lack of significant correlation between plasma renin activity and aldosteronemia in cases of acute renal failure suggests that factors other than renin participate in the regulation of aldosterone secretion in these patients.