在心房移除后的左心室喷射分数反应:临床预测因素和PACED得分的发展
Sayed Al-Aidarous1, Saffron Rajappan2, Nikhil Ahluwalia3
1Barts Heart Centre, St Bartholomew's Hospital, London, United Kingdom; Queen Mary University of London, London, United Kingdom.
Heart rhythm
|November 28, 2025
概括
在LVSD患者的心房动 (AF) 移除后预测左心室喷射分数 (LVEF) 反应,现在可以使用PACED得分. 这个工具有助于对患者进行分层,以获得更好的结果.
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:
- 在患有左心室缩功能障碍 (LVSD) 的患者中,对心房动 (AF) 进行导管切除可以改善结果.
- 在切除后预测左心室喷射率 (LVEF) 的改善仍然具有挑战性.
研究的目的:
- 为了确定在接受AF切除的LVSD患者中LVEF反应的手术前预测因素.
- 为患者分层制定一个实用的评分系统 (PACED评分).
主要方法:
- 一项多中心队列研究包括366名患有AF和LVEF<50%的患者进行了切除.
- 响应者状况是由消去后显著的LVEF改善定义的.
- 采用了多变量逻辑回归和简化得分工具.
主要成果:
- 70.8%的患者是响应者. 关键的不响应预测因素包括心力衰竭的病因,QRS持续时间>105毫秒,阳性AF和2型糖尿病.
- PACED得分有效地分层了响应概率 (例如,得分<2:87%的响应;得分≥3:71%的不响应).
- 在心脏MRI上晚期加多增强在非响应者中更频繁 (84.6%对53.6%).
结论:
- PACED评分准确地预测了LVEF响应在LVSD患者的AF.
- 心室反应是由基质和导电驱动的,而不仅仅是药物治疗.
- 心脏MRI发现,比如晚期加多增强,表明不响应切除的可能性更高.
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