黄泽涵,张斌,廖洪涛,钟志安,马墩亮,林敬业

• 1:广东省心血管病研究所心内科广东省人民医院广东省医学科学院

摘要(Abstract)：

目的探讨Guidezilla~(TM)延长导管在冠状动脉慢性完全闭塞病变(chronic total occlusion,CTO)行逆向经皮冠状动脉介入治疗时协助导丝通过闭塞病变与导丝体外化的可行性以及安全性。方法回顾性分析广东省人民医院119例CTO患者。其中,2015年1月至2015年10月入选80例未使用Guidezilla~(TM)延长导管的反向控制性前向与逆向内膜下寻径(controlled anterograde and retrograde sub-intimal tracking,CART)技术的患者(Non-Guidezilla组),2015年10月至2016年11月入选39例使用Guidezilla~(TM)延长导管的反向CART技术的患者(Guidezilla组)。结果本研究中反向CART技术总体成功率为84.0%(100/119)。Guidezilla组成功率(100%比76.2%,P<0.05)高于Non-Guidezilla组,差异有统计学意义;两组患者平均J-CTO评分为2.67,Guidezilla组手术困难(35.9%比15.0%,P<0.001)和非常困难(61.5%比32.5%,P<0.001)的患者比例均高于Non-Guidezilla组,差异均有统计学意义;Guidezilla组二次手术率(25.6%比63.8%,P<0.001)及开口/分叉病变比例(30.8%比62.5%,P=0.002)均低于Non-Guidezilla组,差异均有统计学意义;Guidezilla组闭塞近段刀割状(53.8%比32.5%,P=0.030)、闭塞段长度>20 mm(89.7%比72.5%,P=0.035)及闭塞段弯曲>45°(84.6%比63.8%,P=0.020)的比例均高于Non-Guidezilla组,差异均有统计学意义。结论对于长迂曲的复杂CTO患者,逆向导丝与微导管难以通过病变并进入正向指引时,Guidezilla~(TM)延长导管能提供安全有效的解决方案。

关键词(KeyWords)： GuidezillaTM延长导管;慢性完全闭塞病变;反向控制性前向与逆向内膜下寻径技术

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 黄泽涵,张斌,廖洪涛,钟志安,马墩亮,林敬业

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