重复 in situ 移除与针对复发性持续性心房的广泛移除
Mu Qin1, Shi-Yi Wang1, Zi-Liang Song1
1Department of Cardiology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, No. 241 West Huaihai Road, 200030, China.
概括
使用广泛的肺外静脉 (PV) 切除,对持续性心房 (PerAF) 进行重复切除,比重复PV隔离更有效. 这一策略显著提高了免受AF/AT复发的安全性,并且具有可比的安全性.
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:
- 对于持续性心房动 (PerAF) 的重复除策略的研究比初始程序少.
- 重复切除术的疗效,特别是广泛的肺外静脉切除术 (PV) 与局部切除术的疗效,需要进一步研究.
研究的目的:
- 为了比较重复额外PV广泛除 (EXT) 与重复PV隔离 (PVI) 和线性除 (in situ) 在患有复发性PerAF的患者的疗效.
- 评估除策略对心房动 (AF) /心房低心率 (AT) 复发和安全结果的影响.
主要方法:
- 一项随机对照试验比较了EXT (n=66) 和in situ (n=66) 对于复发性PerAF的消去策略.
- 主要终点是12个月没有AF/AT发作>30秒.
- 安全终点也被监测和组之间的比较.
主要成果:
- 在12个月后,EXT组的非AF/AT复发率 (66.7%) 与现场组 (48.5%) (P=0.037) 相比显著更高.
- 在 EXT 组 (77.3%) 与 in situ 组 (60.6%) (P=0.027) 相比,没有 AF 复发的情况也显著更高.
- 在两组之间没有观察到安全终点的显著差异 (4.5%对6.1%,P=0.716).
结论:
- 在PerAF患者中,广泛的额外PV切除显示出重复切除的临床疗效优于重复PV隔离和线性切除.
- 这些发现表明,针对额外的非PV基板可以改善结果,这表明PV重新连接和线性损伤重新连接可能不是AF复发的唯一驱动因素.
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