结论：分段血管腔内成形术和膝下动脉行pta后应用尿激酶对提高PTA的成功率和近期通畅率有帮助。
Conclusions: Segmental transluminal angioplasty and application of urokinase after below-knee artery PTA are helpful to the success of operation and short-term patency.
目的评价兔髂动脉内近距离治疗预防经皮经腔血管成形术（PTA）后再狭窄的可行性及作用。
Objective To evaluate the role of intra arterial brachytherapy to prevent the iliac artery restenosis in the rabbit following percutaneous transluminal angioplasty (PTA).
目的血管腔内支架成形术目前已被证明是治疗外周动脉硬化闭塞症（PAOD）的有效方法，然而术后出现的再狭窄影响了支架成形术的疗效。
Objective:It is proved that Percutaneous Transluminal Angioplasty and Stenting is a effective treatment of PAOD, but its benefits is seriosly limited by local thrombotic occlusion and restenosis.
目的血管腔内支架成形术目前已被证明是治疗外周动脉硬化闭塞症（PAOD）的有效方法，然而术后出现的再狭窄影响了支架成形术的疗效。
Objective:It is proved that Percutaneous Transluminal Angioplasty and Stenting is a effective treatment of PAOD, but its benefits is seriosly limited by local thrombotic occlusion and restenosis.
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