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  • Title: Evaluation of surgical response in renovascular hypertension using angiotensin II blockade.
    Author: Buda JA, Baer L, Arora SP, Parra-Carrillo JZ, Radichevich I.
    Journal: Surgery; 1978 Nov; 84(5):664-70. PubMed ID: 715682.
    Abstract:
    The mechanisms involved in residual or recurrent hypertension following operation to correct renal artery stenosis were studied in 10 patients by performing angiotensin II blockade with Saralasin (Sarcosine, alanine, angiotensin II) before and after operation. Peripheral renin and renal vein renin determinations, angiography, and renography were done as well. The limitations of renin determinations are cited and the application of angiotensin II blockade as a specific method of detecting renin-dependent hypertension before and after operation are presented. Saralasin infusion under the controlled conditions of our study proved to be a sensitive method for detection of renin-dependent hypertension. The results of Saralasin infusion correlated closely with peripheral and renal vein renin determinations. Thus angiotensin II blockade before and after operation may supercede more invasive and less specific diagnostic methods.
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