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.
还发现，单纯型病变在经皮腔内冠状脉动脉成形术后，很少发生再狭窄，但复杂型则常发生再狭窄。
Authors also found that restenosis after PTCA was rare in simple coronary lesions, but then it was common in complex coronary lesions.
但内膜切除术后发生的再狭窄现已成为影响手术疗效的关键因素。
But restenosis after carotid endarterectomy has become a key factor influencing the efficacy of operation.
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