Plasma hypertensinase in experimental renal hypertension

A lowered plasma hypertensinase cannot be implicated as an essential factor in either acute or chronic renal hypertension in the dog. No uniform or persistent change occurs in the enzyme. However, marked fluctuations out of the normal range do occur in many, but not all, animals. Prolonged decreases are most frequent in acute hypertension and elevations in chronic hypertension. A modification of Dexter's method for the determination of plasma hypertensinase is described.