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Radiology, Vol 140, 323-330, Copyright © 1981 by Radiological Society of North America

ARTICLES

Percutaneous transluminal angioplasty in patients with renal artery stenosis: follow-up studies

CJ Tegtmeyer, CD Teates, N Crigler, RW Gandee, CR Ayers, M Stoddard and HA Wellons Jr

Fifty renal artery stenoses in 38 hypertensive patients were treated with percutaneous transluminal angioplasty. Follow-up over a period of 1 to 24 months (mean, 9 mo.), including angiography, renal vein renin determinations, and radionuclide flow studies, were performed in 24 patients (32 stenoses). The initial dilatation was successful in 90% of stenoses and redilatation was necessary in 22% with a success rate of 84%. The mean systolic pressure decreased by 65.83 mm Hg and the mean diastolic pressure by 35.88 mm Hg in response to the treatment. Sixteen patients were cured, 18 were felt to have better control of blood pressure on medication, and 4 were not helped. Percutaneous transluminal angioplasty appears to be a technically feasible and clinically effective method of treating renovascular hypertension.




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