气球形脉冲场切除用于肺静脉隔离和心房病变
Song Zuo1, Caihua Sang1, Jue Wang1
1Division of Cardiology, Beijing Anzhen Hospital & Capital Medical University, Beijing, China.
Pacing and clinical electrophysiology : PACE
|February 9, 2026
概括
一种新的脉冲场移除 (PFA) 气球导管在临床前的猪模型中证明了安全和持久的肺静脉隔离 (PVI). 这种单射PFA导管显示了有效的心房病变创建没有并发症的希望.
科学领域:
- 心脏病学 心脏病学
- 医疗器械 医疗器械
- 电子生理学 电子生理学
背景情况:
- 冰冷气球除是肺静脉隔离 (PVI) 的标准.
- 脉冲场切除 (PFA) 提供组织选择性的非热心脏切除.
- 一个新的合规的,气球形状的,单次射击的PFA导管被开发用于PVI和心房病变.
研究的目的:
- 评估用于PVI的新型单射PFA导管的临床前安全性和耐用性.
- 用PFA导管评估圆形心房病变的产生.
- 为了确定定制PFA脉冲配置的有效性.
主要方法:
- 在10只猪身上使用了带有20个电极的13 Fr气球形PFA导管.
- 使用双相波形 (± 750V,4.9秒) 传递PFA.
- 目标地点包括SVC,LSPV,RSPV和RAA,其持续时间评估为30天和90天.
主要成果:
- 实现了100%的SVC,RSPV和LSPV的急性隔离.
- 实现了90%的RAA急性隔离.
- 损伤持久性在30天后为70%,在90天后为95%,没有重大并发症或神经问题.
结论:
- 这种新型的合规,气球形的PFA导管有效地创造了持久的肺静脉隔离.
- 这种单射PFA导管在临床前研究中证明了安全性和有效性.
- 该设备显示了在没有并发症的情况下产生心房病变的潜力.
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