高密度测绘对肺静脉隔离耐久性的影响:一个随机的单中心研究
Nina Kajdič1,2, Tine Prolič Kalinšek3, Bor Antolič2
1Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia.
Pacing and clinical electrophysiology : PACE
|May 6, 2025
概括
在肺静脉隔离 (PVI) 过程中,使用高密度映射消除低电压碎片式电图 (LFEGM) 显著提高了PVI的耐用性. 这种策略可以提高帕洛克斯系统性心房动患者的长期治疗成功率.
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 (PV) 再连接仍然是一个挑战,尽管废除技术的进步.
- 高密度 (HD) 地图为心房电图提供了对心房电图的新见解.
研究的目的:
- 为了评估消除腹腔低压,碎片式电图 (LFEGMs) 对肺静脉隔离 (PVI) 耐久性的影响.
- 为了比较PVI耐用性,使用高清映射与额外的LFEGM剥离,与标准环形映射相比.
主要方法:
- 60名患有动性心房动 (PAF) 的患者被随机分为两个组:用LFEGM剥离或标准环周映射进行HD映射.
- 肺静脉 (PV) 入口堵塞和LFEGMs使用HD或环形映射导管进行评估.
- 12个月后进行了强制性重新评估,以评估PVI的耐用性和LFEGM的存在.
主要成果:
- 与周围映射组 (80.8%) 相比,HD组的持久光伏隔离率 (92.2%) 显著更高.
- 在重新评估时,HD组的LFEGM显著减少 (7对34).
- 消除LFEGM降低了导电缺口的可能性,并没有显著改变心律失常复发率.
结论:
- 通过HD绘图识别的LFEGM的额外切除显著提高PVI的耐用性.
- 使用消除LFEGM的HD映射是一种有前途的策略,可以改善PVI程序的长期成功.
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