肾动脉闭塞或狭窄是继发性高血压和肾功能不全的原因之一，我院利用球囊扩张(PTRA)加l架置人治疗肾动脉完全闭塞四例，收到良好效果，现报告如下。患者男，52岁。长期高血压，突然加重3周，血压28／24kPa。胸透心脏呈主动脉型，彩超心脏扩大，主动脉瓣膜关闭功能不全，右肾动脉 Renal artery occlusion or stenosis is one of the causes of secondary hypertension and renal insufficiency, our hospital using balloon dilatation (PTRA) plus l placement treatment of renal artery occlusion in 4 cases, received good results, are as follows . Male patient, 52 years old. Long-term high blood pressure, sudden increase in 3 weeks, blood pressure 28 / 24kPa. Chest through the heart was aortic type, color Doppler echocardiography, aortic valve insufficiency, right renal artery