血液动力学反应的电延迟与心脏再同步治疗的关联
Angelo Auricchio1, Kris Siejko2, Nicholas Wold2
1Division of Cardiology, Fondazione Cardiocentro Ticino-Ente Ospedaliero Cantonale, Lugano, Switzerland.
JACC. Clinical electrophysiology
|March 15, 2025
概括
用右心室-左心室 (RV-LV) 间隔测量电延迟,显著影响心脏再同步治疗 (CRT) 的反应. 延长RV-LV时间改善了CRT患者的LV收缩性和血液动力学反应.
科学领域:
- 心脏病学 心脏病学
- 电子生理学 电子生理学
- 心脏衰竭管理的管理
背景情况:
- 关于左心室 (LV) 节奏部电阻延迟对心脏再同步治疗 (CRT) 期间急性血液动力学反应的影响的数据有限.
- 以前的调查仅限于小型观察性研究,需要更大的队列分析.
研究的目的:
- 为了评估电延迟的影响,量化为心室间 (右心室-LV) 间隔,对急性血液动力学反应CRT.
- 分析这个关系在一个大,多样化,多中心患者队列.
主要方法:
- 从三个前性研究 (PATH-CHF I & II,CRTAVO) 中收集了144名患者的数据.
- 在CRT植入过程中使用了连接到节奏导线,右心室和左心室压力导管,以及表面心电图的外部节奏计算机.
- 采用标准化,随机化的刺激方案来评估患者的反应.
主要成果:
- RV-LV间隔与LV压力上升的速度增加有关,这表明反应有所改善.
- 随着RV-LV时间的延长,LV的有效收缩性呈现出单调的增加.
- QRS 持续时间,女性性别和缺血病因也是增加 LV 压力升高的显著预测因素.
结论:
- 无论是RV-LV和QRS持续时间都是急性血液动力学反应对CRT的强有力的预测指标.
- 这些发现可以帮助优化患者选择,引领放置策略,并管理对CRT好处的期望.
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