PTCA后再狭窄的诊断和处理
RaoulBonan,胡大一
摘要(Abstract)：
<正>PTCA的目的是即刻和持久性改善冠状动脉的腔内狭窄和伴随的心肌缺血症状.迄今PTCA存在的最重要的局限性是再狭窄,其发生率为17%～44%.所有资料都一致显示再狭窄发生于PTCA后的早期,即6个月以内.再狭窄的危险起始于PTCA操作过程本身,即动脉粥样硬化斑块的破裂和内皮裸露.再狭窄的机制可能被血栓素A_2的释放所促进,它可导致血小板聚集,引致痉挛和血栓形
关键词(KeyWords)：
基金项目(Foundation):
作者(Author): RaoulBonan,胡大一
参考文献(References)：
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