心脏衰竭的心脏再同步治疗基于斯特劳斯标准的左捆分支块
Athanasios Saplaouras1, Konstantinos Vlachos1, Panagiotis Mililis1
1Arrhythmia Unit, Onassis Cardiac Surgery Center, Athens, Greece.
ESC heart failure
|September 20, 2024
概括
更严格的斯特劳斯标准左捆分支阻断 (St-LBBB) 改善心脏再同步治疗 (CRT) 响应心力衰竭患者. St-LBBB确定了非缺血性心肌病患者,他们从CRT中受益最多,减少住院治疗和死亡率.
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:
- 左捆枝块 (LBBB) 预测了对心脏再同步治疗 (CRT) 的反应.
- 很大一部分患者没有从CRT中受益.
- 对于LBBB (St-LBBB) 的更严格标准在预测CRT结果中的诊断实用性需要进一步研究.
研究的目的:
- 评估St-LBBB标准对CRT响应的影响.
- 评估St-LBBB对心力衰竭住院,心室节律失常 (VA) 事件和接受CRT的患者死亡率的影响.
主要方法:
- 对从接受CRT植入的LBBB心力衰竭患者前性收集数据的回顾性分析.
- 患者被分为St-LBBB和非St-LBBB组.
- 包括CRT反应,住院,VA事件和死亡率在内的结果在各组之间进行了比较.
主要成果:
- 符合St-LBBB标准的患者表现出显著更高的CRT反应率 (P < 0.01).
- 在非缺血性心肌病 (NICM) 和St-LBBB患者中观察到最大的益处,显示心力衰竭住院减少 (P < 0.0001),VA事件 (P < 0.001) 和死亡率 (P < 0.0001).
- 在St-LBBB中,在NICM患者中发现了一个VA发病率明显较低的子组 (P = 0.049).
结论:
- 根据St-LBBB标准,患者可以更好地选择CRT,特别是那些患有NICM的患者.
- St-LBBB分类与CRT反应改善,住院减少,VA事件减少和死亡率降低有关.
- 需要进一步的研究,以充分阐明St-LBBB在优化CRT结果中的作用.
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