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一种简单的方法用于识别持久心房的PVI响应患者:在手术前进行电动心转和非诱导
Hai-Yang Xie1,2, Yuyang Chen1,2, Yong Xie1,2
1Department of Cardiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
Journal of cardiovascular electrophysiology
|January 10, 2026
概括
一个新的直流心脏转变电生理学研究 (DC-EPS) 协议有效地识别了持续性心房 (PersAF) 的患者,这些患者对肺静脉隔离 (PVI) 反应良好. 协议阴性患者的治疗结果显著改善,这表明PVI单独可能在最初是足够的.
科学领域:
- 电力生理学 电力生理学
- 心脏病学 心脏病学
- 医疗器械技术 医疗器械技术
背景情况:
- 肺静脉隔离 (PVI) 对持续性心房 (PersAF) 的疗效有限,相比于性心房.
- 之前的研究表明,除了PVI之外的额外废除策略在持久性AF中提供了最小的益处.
- 识别患有持续性AF的PVI响应患者对于优化治疗至关重要.
研究的目的:
- 评估一项新的直流心脏转移电生理学研究 (DC-EPS) 协议,用于分层持续性AF患者.
- 评估DC-EPS识别的AF诱导性是否可以指导PVI程序的范围.
- 根据DC-EPS结果确定单独PVI与PVI与辅助切除的疗效.
主要方法:
- 一项前性队列研究将患者分为协议阴性 (非诱导性心转后) 和协议阳性组.
- 协议阴性患者仅接受PVI;协议阳性患者接受了PVI与辅助线路切除 (屋顶/MI/CTI).
- 术程的成功被定义为12个月后没有心房失常症>30岁,没有抗失常药物.
主要成果:
- 在12个月后,85.4%的协议阴性患者和60.7%的协议阳性患者没有心律失常.
- 没有心律失常的存活率在协议-负组显著更高 (HR=0.326,p=0.009),即使在多变量调整后也是如此.
- 与协议阳性患者相比,协议阴性患者的心脏结构更好,心房纤维化较少.
结论:
- 由DC-EPS定义的协议阴性识别了对PVI有好反应的患者.
- 对这些患者来说,PV antrum隔离可能是足够的初始程序.
- 进一步的多中心随机对照试验是有必要的,以验证这些发现.
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