Upright plasma renin activity (PRA) was measured in 112 patients suffering from urological diseases associated with hypertension, and was found to be predominantly low. In 40 cases with normal or elevated peripheral PRA, renal venous PRA was measured and their ratios calculated. There was a significant decrease of blood pressure in 14 patients who had undergone surgery and both ratios were significant. The patients whose blood pressure remained unchanged had no significant renal vein PRA ratios. However, one case with nonlateralising renal venous PRA ratios responded well to surgery. It is concluded that although peripheral vein PRA is of limited value in hypertension associated with urological diseases, the measurement of PRA in renal vein plasma offers, in a number of cases, useful prognostic information.
Peripheral and renal vein plasma renin activity in hypertensive urological patients.
ARMANINI, DECIO;FALLO, FRANCESCO;OPOCHER, GIUSEPPE;BOSCARO, MARCO;SCARONI, CARLA;MANTERO, FRANCO
1982
Abstract
Upright plasma renin activity (PRA) was measured in 112 patients suffering from urological diseases associated with hypertension, and was found to be predominantly low. In 40 cases with normal or elevated peripheral PRA, renal venous PRA was measured and their ratios calculated. There was a significant decrease of blood pressure in 14 patients who had undergone surgery and both ratios were significant. The patients whose blood pressure remained unchanged had no significant renal vein PRA ratios. However, one case with nonlateralising renal venous PRA ratios responded well to surgery. It is concluded that although peripheral vein PRA is of limited value in hypertension associated with urological diseases, the measurement of PRA in renal vein plasma offers, in a number of cases, useful prognostic information.Pubblicazioni consigliate
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