Abstract
Summary
Nephrectomized dog blood contains pressor material in very low concentrations (62 ± 28 mμg%). Recovery of synthetic angiotensin II was variable (30–70%). Peripheral arterial angiotensin concentration was elevated by an infusion of angiotensin, but patients with essential hypertension had angiotensin concentrations lower than during the infusion and their angiotensin concentration was the same as in normotensives. Sodium intake did not influence angiotensin concentration in renal venous blood. The presence of renal artery stenosis did not elevate renal venous angiotensin concentration on the affected side.
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