Key result
Measurement of plasma renin activity in both renal veins was evaluated for diagnosing surgically correctable renovascular hypertension in 35 patients, though specific results are not reported.
Why the study?
Does measurement of plasma renin activity in both renal veins accurately diagnose surgically correctable renovascular hypertension?
Observational (n=35)
Does measurement of plasma renin activity in both renal veins accurately diagnose surgically correctable renovascular hypertension?
The study assesses the diagnostic utility of bilateral renal vein renin measurements for identifying surgically correctable renovascular hypertension.
Answers are grounded in this paper and cite their sources.
Renal vein renin sampling may aid renovascular hypertension diagnosis; leaves open accuracy and role in contemporary practice.
THE RECENT development of a simple reliable method for measuring plasma renin activity, together with the availability of a safe procedure for obtaining samples of blood from both renal veins, has prompted us to assess the utility of such measurements in the diagnosis of surgically correctable renovascular hypertension. Previous studies of this type have been reported by McPhaul,1Fitz,2Kirkendall,3and Ueda,4and their associates. A series of 22 patients, diagnosed by conventional measures as having renovascular hypertension, were subjected to operative treatment. Proof of the diagnosis was considered to be established if there was unquestionable improvement in blood pressure after corrective surgery. This is a report of the measurements of renin activity in blood plasma specimens obtained from both renal veins preoperatively and, whenever possible, postoperatively. In addition, plasma renin activity in effluent blood from both kidneys was measured in 13 patients with "essential" hypertension, who were not subjected
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Andrew M. Michelakis (1967) conducted an observational in Renovascular hypertension (n=35). Measurement of plasma renin activity in both renal veins vs. Essential hypertension was evaluated on Improvement in blood pressure after corrective surgery. Measurement of plasma renin activity in both renal veins was evaluated for diagnosing surgically correctable renovascular hypertension in 35 patients, though specific results are not reported.
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