左心房附属体的峰值流速预测心房移除心房移除后心房反的改善
Masamichi Yano1, Yasuyuki Egami1, Shodai Kawanami1
1Division of Cardiology, Osaka Rosai Hospital, Sakai, Osaka, Japan.
Journal of cardiology
|July 21, 2023
概括
左心房附属体的峰值流速 (LAAV) 预测心房 (AF) 废除后心房反 (MR) 的改善. 这一发现对 Paroxysmal AF 和持久性 AF 患者都具有意义,有助于预测术后恢复.
科学领域:
- 心脏病学 心脏病学
- 电子生理学 电子生理学
- 心脏成像 - - 心脏成像
背景情况:
- 副心膜反 (MR) 增加了心房动 (AF) 的风险和经过切除后的复发.
- 左心房附属体 (LAA) 功能,以LA峰流速 (LAAV) 表示,与左心房压力调节有关.
- 废除后的LAAV和MR改善之间的关系尚不清楚.
研究的目的:
- 为了研究LAAV对AF导管切除后一年MR改善的影响.
- 为了确定在经过AF切除的中度至重度MR患者中MR改善的预测因素.
主要方法:
- 从ORAF注册中分析了289名AF患者 (112名帕洛西斯 AF,177名持久AF) 患有中度/严重的MR.
- 消去后一年对MR严重程度的评估,将改善定义为至少降低一级.
- 多重回归分析以确定与MR改善相关的因素,包括LAAV.
主要成果:
- 在56.3%的阳性AF患者和55.4%的持续性AF患者中观察到MR改善.
- 患有MR改善的患者显示,晚期心律失常复发的风险显著降低 (逻辑等级p < 0.001).
- LAAV独立地预测了帕洛西斯马性AF (p=0.037) 和持久性AF (p=0.018) 患者的MR改善.
结论:
- 左心房附属体的峰值流速 (LAAV) 是AF切除后MR改善的重要预测指标.
- 拉夫可以帮助分层患者可能会经历减少MR严重性后手术.
- 这些发现可能会为患者选择和切除后管理策略提供信息.
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