1. A comparison has been made of surgical and medical treatment in patients with arteriosclerotic renal artery stenosis and hypertension.
2. Immediate post-operative blood pressure was often normal, but frequently rose again later. After the sixth year only about 25% of surgical patients were normotensive without drug treatment.
3. Nephrectomy and vascular reconstruction gave similar results.
4. We presently believe that post-operative anticoagulant therapy is indicated in patients undergoing surgery for arteriosclerotic renal artery stenosis.