基于心房电图持续时间地图的持续性心房移除:AEDUM试点研究的方法和临床结果
Pietro Rossi1, Filippo Maria Cauti2, Marco Polselli2
1Arrhythmology Unit, Ospedale Fatebenefratelli Isola Tiberina-Gemelli Isola, Via Ponte Quattro Capi, 39, 00186, Rome, Italy. rossi.ptr@gmail.com.
概括
持续性心房动 (PsAF) 的导管切除通过使用心房电图DURation Map (AEDUM) 来识别关键区域而得到改善. 与单独的肺静脉隔离相比,针对这些AEDUM区域可以减少AF复发.
科学领域:
- 心脏病学 心脏病学
- 电力生理学 电力生理学
- 医疗器械 医疗器械
背景情况:
- 对持续性心房动 (PsAF) 进行导管切除具有挑战,目前正在就最佳策略进行辩论.
- 耳前电图DURration Map (AEDUM) 开发用于在鼻节律期间识别功能基质,以进行量身定制的PsAF切除.
研究的目的:
- 为了评估 PsAF 针对患者量身定制的废除策略的疗效,使用了新的 AEDUM.
- 为了比较单独PVI与PVI与AEDUM指导性切除相结合的结果.
主要方法:
- 40名PsAF患者被随机分配到单独PVI或PVI加AEDUM导向切除.
- 一个由15名患者组成的对照组接受了辅助通路切除.
- 在鼻节律期间创建了电压和AEDUM地图,随访时间为12个月.
主要成果:
- 与对照组相比,PsAF患者的电图持续时间明显更长 (49±16.2ms vs 34.2±3.8ms;p<0.001).
- 与其他心房区域相比,AEDUM区域的双极电压较低 (中位数为1.30mV与1.54mV;p<0.001).
- 与PVI单独相比,PVI+AEDUM组的AF复发明显较低 (35%与65%相比;p=0.04).
结论:
- 所有PsAF患者都表现出可识别的AEDUM区域.
- 针对AEDUM区域的废除策略在减少AF复发方面比单独PVI更有效.
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