Angiotensin-Responsive Aldosterone-Producing Adenomas - Postoperative Disappearance of Aldosterone Response to Angiotensin

1. Nineteen out of 47 patients (40%) with confirmed unilateral aldosterone-producing adenoma (APA) were responsive to low-dose angiotensin II infusion (AII-R), as defined by an increase in plasma aldosterone concentration of > 50% over basal at 2 ng/ kg per min for 60 min