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).

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当抗凝治疗预防新发缺血事件失败，依靠支架辅助血管成形术的颈内动脉再通最近被提倡。

Recanalization of internal carotid artery dissection by stent-assisted angioplasty has recently been proposed when anticoagulation fails to prevent a new ischemic event.

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血管成形术是治疗血管闭塞性疾病的主要手段，但术后再狭窄的高发生率为其的应用带来了阻碍。

Angioplasty is the main method of treating vascular occlusive diseases, but high incidence of restenosis after operation has hampered its clinical applications.

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