JACC:TAVR后新发持续左束支传导阻滞患者的心律失常负担

2018-08-07 xiangting MedSci原创

这些数据支持,在这一具有挑战性的患者群体中使用心脏监测设备进行密切随访,并尽早治疗。

这项研究旨在确定:1)总体的心律失常负担; 2)导致治疗变化的心律失常发生率;3)经导管主动脉瓣置换术(TAVR)后新发持续性左束支传导阻滞(LBBB)患者随访12个月后高度房室传导阻滞(HAVB)的发病率。

目前关于TAVR后LBBB患者发生明显心律失常的数据存在争议。

这是一项多中心前瞻性研究,纳入了103例TAVR后新发持续性LBBB的连续性患者,TAVR使用球囊扩张SAPIEN XT/3瓣膜(n=53)或自扩张CoreValve/Evolut R系统(n=50)。TAVR后4天(3至6天)植入植入式心脏监护仪(Reveal XT、Reveal Linq),对患者进行12个月的连续心电图监测。所有的心律失常事件均在中心心电图核心试验室进行判定。主要终点是导致治疗变化的心律失常发生率,和12个月随访时HAVB的发病率。

44例患者共发现了1553次新的心律失常事件(26例患者发生1443次快速性心律失常[房颤/房扑/房性心动过速:1,427,室性心动过速16];21例患者发生110次缓慢性心律失常[HAVB 54,严重心动过缓56])。34例患者(77%)的心律失常事件无症状,19例患者(18%)的心律失常事件导致治疗改变,11例患者(11%)需要起搏器或植入式心律转复除颤器植入(分别有9、1和1例患者由于HAVB、严重心动过缓或室性心动过速发作)。共有12例患者在1年随访中死亡,1例猝死。

近一半的LBBB患者TAVR术后1年随访中的心律失常事件发生率高。五分之一的患者出现明显缓慢性心律失常,其中近半数需要PPM。这些数据支持,在这一具有挑战性的患者群体中使用心脏监测设备进行密切随访,并尽早治疗。(经导管主动脉瓣植入术后新发持续性左束支阻滞患者进行动态心电图监测高度房室传导阻滞[MARE研究]:NCT02153307)

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    2019-06-21 hbwxf
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    2018-08-07 lietome24

    认真学习,不断进步,把经验分享给同好。点赞了!

    0

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