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抗凝在经皮腔内冠脉成形术(PTCA)中特别在阻止再狭窄方面起着重要的但尚不完全清楚的作用。当前对再狭窄与损伤治愈血管壁的机理的认识,认为是血栓形成和动脉粥样硬化病变的复发两个因素起作用。本文对PTCA中应用肝素抗凝以防止术后再狭窄的作用进行讨论。临床上多数学者在作冠状动脉造影术时常规使用肝素,理由是可防止由于血凝连锁
Anticoagulation plays an important but not yet completely clear role in percutaneous transluminal coronary angioplasty (PTCA), particularly in preventing restenosis. The current understanding of the mechanism of restenosis and injury to cure the vessel wall is thought to play a role in both thrombosis and the recurrence of atherosclerotic lesions. This article discusses the use of heparin anticoagulation in PTCA to prevent postoperative restenosis. Most clinicians routinely use heparin for coronary angiography, the reason is to prevent due to blood clotting chain