在患有复发性心房的患者中,第一通隔离的预测因素:一项回顾性队列研究
Juliana Pérez-Pinzón1, Jonathan W Waks1, Don Yungher2
1Harvard Thorndike Electrophysiology Institute, Beth Israel Deaconess Medical Center, Boston, Massachusetts.
Heart rhythm O2
|November 11, 2024
概括
在心房移除过程中,右肺静脉的第一通隔离 (FPI) 可以预测持久的结果. 在右肺静脉中缺乏FPI会增加重新连接的风险,而左心房电压升高可能预测这种初始失败.
科学领域:
- 心脏病学 心脏病学
- 电子生理学 电子生理学
- 医疗器械技术 医疗器械技术
背景情况:
- 肺静脉隔离 (PVI) 是心房的主要治疗方法,往往优于抗失常药物.
- 经常需要重复切除,以保持PVI后的持续节律控制.
- 成功的第一通隔离 (FPI) 的预测因素及其在长期耐用性中的作用仍然不完全理解.
研究的目的:
- 在初始PVI程序中识别与实现FPI相关的因素.
- 评估在重复切除时有或没有FPI的患者的慢性再连接率.
主要方法:
- 对63名在2021年至2023年期间接受重复PVI的患者进行了回顾性分析.
- 分析了2021年接受初始PVI的483名患者.
- 后勤回归用于确定指数PVI期间的FPI预测指标.
主要成果:
- 在58%的左肺静脉,48%的右肺静脉和25%的后壁部位实现了第一通隔离.
- 在35%的患者中实现了双边FPI.
- 在PVI指数的右肺静脉中缺乏FPI显著增加了慢性重新连接的风险 (14倍).
- 升高的左心房电压预测了右心房缺乏FPI,但左心房没有.
结论:
- 实现FPI,特别是在右肺静脉中,对于持久控制心房动至关重要.
- 在右肺静脉中缺乏初始的FPI是慢性重新连接和程序失败的强有力的预测因素.
- 左心房电压可以作为生物标志物来预测在特定肺静脉中实现FPI的挑战.
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