Diagnostic procedure in renovascular hypertension |
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Authors: | A Distler K P Spies |
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Affiliation: | Department of Internal Medicine and Nephrology, Klinikum Steglitz, Free University Berlin, Germany. |
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Abstract: | Detection of a renal artery stenosis (RAS) as a cause of arterial hypertension is of great practical importance because dilatation of the stenosis frequently results in an improvement or cure of the hypertension. In recent years, a number of screening procedures aimed at diagnosing renovascular hypertension have been developed, e.g., duplex sonography of the renal arteries, determination of plasma renin activity, or renal scintigraphy following administration of captopril. The possibilities and limitations of these screening procedures are described here. The best method for detecting renal artery stenosis is angiography, which can now be performed on an outpatient basis, using thin catheters. |
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