右心室领头位置对心脏再同步治疗患者结果的影响
Yanfei Wang1, Yan Xiong2, Rana Abdul Qadir1
1Department of Cardiovascular Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
Frontiers in cardiovascular medicine
|March 5, 2026
概括
右心室领头位置影响心脏再同步治疗 (CRT) 的反应. 最佳的RV位,例如中间隔膜或左捆分支区域,可以改善结果并减少心力衰竭患者的心律不整.
科学领域:
- 心脏病学 心脏病学
- 电子生理学 电子生理学
- 心脏衰竭管理的管理
背景情况:
- 右心室 (RV) 定位对心脏再同步治疗 (CRT) 疗效的影响尚未完全理解.
- 评估不同的RV位对于优化心力衰竭 (HF) 患者的CRT结果至关重要.
研究的目的:
- 评估各种RV领先位置如何影响CRT反应,电生理学参数,心声回声学发现和临床结果.
- 在不同的RV植入部位上比较CRT的疗效和安全性.
主要方法:
- 对253名接受左心室 (LV) 导向CRT的患者进行了回顾性队列研究.
- 根据RV领先位置,患者被分为四组:低隔膜 (LSP),中隔膜 (MSP),高隔膜 (HSP) 和左捆分支区域节奏 (LBBAP).
- 主要终点:复合HF再住院和所有原因死亡率. 二级终点:CRT反应,心律失常,QRS持续时间,心声学变化.
主要成果:
- 与其他组相比,低隔膜 (LSP) 组的CRT无响应率 (48.2%) 和心室失常风险最高.
- 中隔膜 (MSP) 和左捆分支区域节奏 (LBBAP) 组显示出更大的QRS缩短和左心室 (LV) 反向重塑.
- 在随访期间,在四组中没有观察到HF再住院和因任何原因死亡的复合终点的显著差异.
结论:
- 在中间隔膜或LBBAP中放置RV可能会增强电同步和LV反向改造.
- 这些最佳的RV领先位置似乎可以降低CRT无响应率和心律失常的发生率.
- 战略性的RV位是改善心力衰竭患者CRT有效性的关键因素.
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