在心房移过程中评估左心室透静功能的心内回声学
Jian Liang Tan1, Julio Chirinos2, Darshak Patel1
1Section for Electrophysiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
概括
在心房动 (AF) 时,心内回声学 (ICE) 可以评估左心室透静功能. ICE测量与左心脏压力相关,并预测术后需要尿液剂.
科学领域:
- 心脏病学
- 医学成像
- 电生理学
背景情况:
- 左心室扩张功能障碍与心房 (AF) 的发展和除后的复发有关.
- 在AF切除过程中,心内回声扫描 (ICE) 尚未被评估为扩张功能.
研究的目的:
- 评估左心室扩张功能的ICE衍生测量在接受AF切除的患者中的可行性和有用性.
- 为了评估峰值三回速度,跨心经管流速,心经管环状组织多普勒速度和肺静脉流速等参数.
主要方法:
- 一个单中心的前性研究,对152名接受AF切除的患者 (2022-2024年).
- 在鼻腔节律期间使用ICE测量透气参数.
- 直接左心脏压力 (LAP) 被记录,LAP的升高定义为≥12 mmHg.
- 将ICE参数与胸前心声学 (TTE) 测量进行了比较.
主要成果:
- 一些ICE参数与平均LAP有显著的相关性,包括三回速度和平均E/e.
- 在多变量分析中,通过ICE检测出异常的透气功能 (例如,心肌内尿,平均内尿) 与术后静脉注射利尿剂的需求增加有关.
结论:
- 心内回声学 (ICE) 是可行的评估在AF剥离期间的透气功能.
- 由ICE推导的透气参数与TTE发现和直接的左心房压力测量相关.
- ICE对限制性填充的评估预测了对手术后的尿剂的要求.
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