墙壁厚度引导与电压引导的肺静脉隔离对于心房动
Moyuru Hirata1, Ryuta Watanabe1, Koichi Nagashima1
1Division of Cardiology, Department of Medicine Nihon University School of Medicine Tokyo Japan.
Journal of arrhythmia
|October 30, 2025
概括
左心室壁厚度 (LAWT) 引导的肺静脉隔离 (PVI) 与电压引导的PVI相比,显著减少了肺静脉间隙. 这种定制的切除策略可以提高心房动 (AF) 患者的疗效和安全性.
科学领域:
- 心脏病学 心脏病学
- 电子生理学 电子生理学
- 医疗器械 医疗器械
背景情况:
- 肺静脉隔离 (PVI) 是心房动 (AF) 的关键治疗方法.
- 使用左心室壁厚度 (LAWT) 或双极电压的定制PVI策略需要进一步评估有效性和安全性.
- 目前的PVI指导方法可能在实现完整和持久的封锁方面存在局限性.
研究的目的:
- 为了前性地比较LAWT引导与双极电压引导PVI的有效性和安全性.
- 评估两种策略之间的肺静脉间隙和急性肺静脉再连接 (APVR) 的发生率.
- 为了确定LAWT指导的切除是否在防止光伏差距方面提供了更好的结果.
主要方法:
- 对97名非膜AF患者进行射频导管切除的前性分析.
- 50名患者使用ADAS 3D软件接受了LAWT引导的PVI; 47人接受了电压引导的PVI.
- 高功率短持续 (HPSD) 和非常高功率短持续 (vHPSD) 切除是根据LAWT或电压标准进行的.
主要成果:
- 根据LAWT指导的组显示了更高的第一通PVI率 (86%vs72%) 和更低的APVR发病率 (10%vs23%) 的趋势.
- 在LAWT指导组中观察到的PV差距 (组合第一通故障和/或APVR) 显著减少 (20%对38%).
- 多变量分析证实WT指导式切除在预防PV缺口方面更有效;没有出现程序并发症.
结论:
- 与双极电压引导的PVI相比,LAWT引导的PVI与PVI差距的发生率明显较低.
- 这一策略为AF患者实现持久PVI提供了潜在的更有效的方法.
- 这两种策略都是安全的,但LAWT指导的切除在缺口预防方面表现出更高的有效性.
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