胡光欣,李奔,赵停婷,马列,徐清斌,刘志军,仇玉民

• 1:宁夏医科大学总医院心脑血管病医院心内科

摘要(Abstract)：

目的回顾性分析慢性完全闭塞(CTO)病变行逆向经皮冠状动脉介入治疗(PCI患者资料,探讨逆向技术常见失败原因。方法自2016年12月至2018年12月宁夏医科大学总医院心脑血管病医院使用逆向技术的CTO-PCI患者共47例,其中包括逆向失败组15例,逆向成功组32例。分析其J-CTO评分、成功率和失败率及其原因。结果失败组平均J-CTO评分较高为(2.73±0.6)分,成功组(2.34±0.6)分,差异有统计学意义(P=0.043),且失败组中J-CTO评分≥3分比例显著高于成功组(80.0%比34.4%,P=0.040),但J-CTO评分2分显著低于成功组(13.3%比59.4%,P=0.030)。右冠状动脉为主要靶血管(36/47,76.6%),逆向侧支中高达91.4%(43/47)的患者选用室间隔支。失败组中CC分级0级显著高于成功组(46.7%比9.4%,P=0.040),差异有统计学意义。失败组中33.3%患者直接使用逆向技术,66.7%患者因前向技术失败转为逆向技术。而成功组中直接逆向为12.5%,前向失败转逆向占87.5%。失败组中反向控制性前向与逆向内膜下寻径(rCART)技术的使用率显著低于成功组(20.0%比65.6%,P=0.005),延长导管使用比例显著低于成功组(6.7%比53.1%,P=0.002),差异均有统计学意义。15例失败患者中逆向导丝不能通过侧支4例(26.7%);逆向导丝未能通过CTO病变5例(33.3%),其中包括2例直接r CART失败,1例血管内超声(IVUS)引导下r CART失败,1例IVUS引导下未能找到CTO开口失败,1例因闭塞段严重钙化导丝未能通过;3例(20.0%)因微导管不能通过CTO病变失败;2例因并发症终止手术,其中包括1例(6.7%)因术中逆向Knuckle导丝后出现心脏压塞终止手术,另1例因间隔支破裂,使用凝胶海绵封堵后失去逆向通路;1例患者因腰椎疾病不能坚持手术。结论逆向CTO-PCI失败主要原因为逆向导丝未能通过CTO病变,逆向导丝不能通过侧支,rCART失败,微导管不能通过CTO病变,手术并发症终止等。

关键词(KeyWords)： 慢性完全闭塞;逆向技术;经皮冠状动脉介入治疗

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 胡光欣,李奔,赵停婷,马列,徐清斌,刘志军,仇玉民

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