...Ocon Pujadas; R. Novillo; J. Ferré; G. del Río; R. Castellet; F. Izquierdo; F. Algaba We studied 37 patients with various degrees of hypertension and a small unilateral kidney. Renal vein renin studies were shown to be positive on 19 occasions and negative on 18. Of those positive, 10 had severe...

... and 13 patients with essential hypertension. Urinary aldosterone excretion, plasma renin activity (PRA), urinary sodium excretion, urinary potassium excretion and p -aminohippuric acid clearance were also determined on the same days. Levels of urinary kallikrein excretion in patients with primary...

..., aneurysmectomy in addition to left renal biopsy (first surgery) was performed. This vascular operation led to a virtually complete renal artery stenosis concomitant with the development of hypertension. The renin-angiotensin-aldosterone system and levels of plasma prostaglandins were also increased following...