The Effect of Tyramine, Noradrenaline, and Angiotensin on the Blood Pressure in Hypertensive Patients with Aldosteronism and Low Plasma Renin*

36 subjects including 9 patients with hypertension, aldosteronism and low plasma renin (4 solitary adrenal adenomas, 3 nodular adrenal hyperplasia, 2 unknown adrenal status), 5 patients with phaeochromocytoma, 10 patients with benign essential hypertension, and 12 normotensive control subjects.

Pressor tests with tyramine, noradrenaline, and angiotensin, as well as unilateral or subtotal adrenalectomy in 7 patients.

Normotensive controls, patients with phaeochromocytoma, patients with benign essential hypertension, and pre- versus post-adrenalectomy status.

Reactivity to the pressor action of tyramine, noradrenaline, and angiotensin.surrogate