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据最近美国统计大约有2300万人患高血压,其中约4％(100万人)是肾血管性高血压,其病因大多是由于动脉粥样硬化,动脉内纤维肌性增生等所引起的。肾动脉狭窄或阻塞过去的治疗方法有二种:一是外科治疗,包括狭窄段切除吻合术、主动脉肾动脉旁路手术、肾切除术等。成功率根据年龄及发病原因的不同约在60～90％之间,手术死亡率约为2～14％,因手术有一定危险性,故应用多限于进行性及双侧病变
According to a recent U.S. statistics, there are about 23 million people suffering from hypertension, of which about 4% (1 million people) are those with renovascular hypertension, most of which are caused by atherosclerosis and intramyocardial fibromuscular hyperplasia. Renal artery stenosis or obstruction in the past treatment of two ways: First, surgical treatment, including stenosis resection and anastomosis, aortic renal artery bypass surgery, nephrectomy and so on. The success rate according to the age and the causes of different about 60 to 90%, the operative mortality rate of about 2 to 14%, due to the operation of a certain risk, so the application is limited to more progressive and bilateral lesions