郑文,黄鑫,赵雪东

• 1:首都医科大学附属北京安贞医院心内科
• 2:首都医科大学附属北京世纪坛医院心内科

摘要(Abstract)：

冠状动脉微血管功能障碍在心肌缺血和心绞痛中起着关键致病作用。在临床上，准确识别冠状动脉微血管功能障碍并定量冠状动脉微循环功能对疾病严重程度分层和预后评估有重要意义。基于压力导丝测量的微循环阻力指数是目前有创评估冠状动脉微血管功能障碍的最客观指标，但因需要额外的操作时间、花费及充血剂使用限制了其临床应用。近期报道了多项使用冠状动脉造影计算微循环阻力指数以替代传统压力导丝测量的研究。本文将对这一技术的原理、准确性及应用情况进展进行综述。

关键词(KeyWords)： 冠状动脉微循环;微循环阻力指数;冠状动脉造影

Abstract:

Keywords:

基金项目(Foundation): 首都医科大学“基于IVUS和冠状动脉造影影像评估靶血管血流储备分数的研究”项目（1210020103）

作者(Author): 郑文,黄鑫,赵雪东

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