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Predictive Value of Renin Determinations in Renal Artery Stenosis
Morton H. Maxwell, MD;
Leonard S. Marks, MD;
Andrei N. Lupu, MD;
Patrick J. Cahill, MD;
Stanley S. Franklin, MD;
Joseph J. Kaufman, MD
JAMA. 1977;238(24):2617-2620.
Abstract
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The prognostic value of renal vein and peripheral renin levels was analyzed in 66 patients with unilateral renal artery stenosis who underwent corrective surgery. Patient selection for operation was independent of renin results. Fifty-three percent of those with confirmed renovascular hypertension had renal vein renin ratios less than 2.0, ie, within the 95% confidence limit for the control group of 82 patients with essential hypertension. Thirty-four patients with clearly lateralizing renin data (ipsilateral:contralateral  1.5 and contralateral:peripheral  1.3) were benefited by operation, but 23 additional patients with nonlateralizing data also benefited. No proposed scheme for renin data analysis detected more than 75% of those with renovascular hypertension.
Although lateralizing renin data are highly predictive of operative benefit, nonlateralizing data do not necessarily herald operative failure and should not be dogmatically used to exclude surgical intervention.
(JAMA 238:2617-2620, 1977)
Author Affiliations
From the Departments of Medicine (Drs Maxwell and Franklin), Surgery-Urology (Drs Lupu. Marks, and Kaufman), and Radiology (Dr Cahill), University of California at Los Angeles, and the Department of Medicine, Cedars-Sinai Medical Center (Drs Maxwell, Franklin, and Lupu), Los Angeles, Calif.
Footnotes
Reprint requests to 8700 Beverly Blvd, Los Angeles, CA 90048 (Dr Maxwell).
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