用电压引导的肺静脉隔离用于心房动
Jun Kishihara1, Hidehira Fukaya1, Kennosuke Yamashita2
1Department of Cardiovascular Medicine, Kitasato University School of Medicine, Sagamihara, Japan.
Heart rhythm
|August 24, 2024
概括
电压导向的肺静脉隔离 (PVI) 与常规的损伤大小指数 (LSI) 导向的PVI对于心房动 (AF) 是同样有效的. 这种方法还显著减少了AF患者的手术时间.
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:
- 双极电压振幅有助于确定最佳的损伤大小指数 (LSI) 设置,用于心房动 (AF) 中的射频移除.
- 传统的LSI导向肺静脉隔离 (PVI) 是AF的标准治疗方法.
- 优化PVI技术对于改善患者的治疗结果和减少手术时间至关重要.
研究的目的:
- 为了比较电压引导PVI与非膜AF患者常规LSI引导PVI的疗效和安全性.
- 为了确定电压引导的PVI是否与LSI引导的PVI不逊色.
- 评估电压引导PVI对程序时间的影响.
主要方法:
- 一个多中心随机试验,涉及370名非膜性AF患者.
- 患者被随机分配到电压导向PVI (189名患者) 或常规LSI导向PVI (181名患者).
- 主要疗效终点是AF复发,心房动和心房慢心; 主要安全终点是与手术相关的并发症. 在1.4的危险比率下设置的非劣势率.
主要成果:
- 电压导向PVI显示出与LSI导向PVI的非劣势,一年无事件率分别为88.0%和87.1% (危险比,1.00).
- 主要安全终点发生在电压组的4.8%和对照组的6.6% (P = .2791).
- 与传统组相比,电压引导PVI组的程序时间 (35.7分钟) 显著缩短 (39.7分钟;P <.001).
结论:
- 电压导向PVI是传统的LSI导向PVI的非劣质替代品,用于治疗AF患者.
- 采用电压导向PVI可以显著减少程序时间.
- 这种方法为PVI在AF管理中提供了一个潜在的更有效的策略.
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