（ results from recent controlled clinical trials of the response to percutaneous transluminal renal artery angioplasty ( ptra ) and stenting indicate that improvement in blood pressure control or renal function is not a predictable outcome of renal revascularization 根据近期的临床研究显示，经皮穿血管血管内气球扩张术和支架手术治疗对于血压控制或肾功能的改善并不是肾血管重新打通（血液重新灌流）可以预期的结果。
