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快速部署大动脉替换后的导电障碍与传统大动脉替换相比

Markus Schlömicher¹, Katrin Prümmer², Peter Haldenwang¹

¹Department of Cardiothoracic Surgery, Ruhr University Hospital Bergmannsheil Bochum, Bochum, Nordrhine Westphalia, Germany.

The Thoracic and cardiovascular surgeon

|November 8, 2024

概括

快速部署的大动脉置换 (RDAVR) 与传统的大动脉置换 (AVR) 相比,增加了左捆分支阻塞和永久心脏起器植入的风险. 然而,RDAVR并没有导致12个月后死亡率增加.

科学领域:

心脏病学心脏病学
心脏外科手术心脏外科手术
医疗器械医疗器械

背景情况:

大动脉置换 (AVR) 是严重的大动脉疾病的常见手术.
快速部署大动脉置换 (RDAVR) 提供了一个潜在的更快的手术选择.
与传统AVR相比,了解RDAVR对传导系统的长期影响至关重要.

研究的目的:

为了比较RDAVR和常规AVR后心房和心室内导电障碍的发生率和演变.
评估早期的术后和中期结果,包括心脏起器植入和死亡率.

主要方法:

对接受RDAVR的147名患者和接受常规AVR的128名患者进行了回顾性分析.
电脑心电图在基线,放电和手术后12个月被分析.
评估的关键参数包括PQ间隔,QRS持续时间和LBBB等导电障碍的发展.

主要成果:

与基线相比,RDAVR组在释放时平均QRS宽度显著增加 (p < 0.001).
在RDAVR组12个月后,左束分支阻塞 (LBBB) 的发病率较高 (19.3%对5.1%,p < 0.001).
在RDAVR组中,永久心脏起器植入率 (PPI) 显著更高 (HR:4.68,p < 0.001).

结论:

在手术后12个月,RDAVR与LBBB的更高发病率和对PPI的需求增加有关.
在RDAVR和传统AVR组之间没有观察到12个月死亡率的显著差异.
在RDAVR之后,需要仔细监测传导干扰.

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