Renovascular Hypertension

THE DEVELOPMENT of hypertension as a result of renal arterial lesions is well established in animals and man.¹,²Tests to discover lesions and operative techniques to treat them have been established and documented,³⁻⁸but results of cure or substantial improvement in the patients' cardiovascular disease vary considerably in published series.¹,⁴,⁹,¹⁰There is a more critical diagnostic approach today¹¹and operation is less readily undertaken for hypertension.¹⁰,¹² The purpose of this paper is to present the experiences of one hospital group in studying the patients suspected of having renovascular hypertension (RVH) and to report the conclusions drawn from these studies. Materials and Methods The Patients. —This report concerns patients with hypertension who were seen initially from February 1962 to December 1964, inclusive, although follow-up has been extended beyond this time to effect more complete study. The population examined was highly selected prior to study insofar as investigations were undertaken only on