评估左心房改造的不同方法的临床含义:对心电回声和心磁共振成像之间的比较研究,用于量化左心房体积指数
Sulayman El Mathari1, Luuk H G A Hopman2, Chaimae Bouchnaf1
1Department of Cardiothoracic Surgery, Amsterdam University Medical Center, Amsterdam, the Netherlands.
International journal of cardiology
|August 11, 2024
概括
心脏磁共振成像 (CMR) 提供了更准确的左心房体积指数 (LAVI) 测量比心声回声在腹 (MR) 患者. 这种差异影响了手术的候选性,这表明需要CMR特定的LAVI标准.
科学领域:
- 心脏病学 心脏病学
- 医疗成像医学成像
- 心脏外科手术 心脏外科手术
背景情况:
- 左心房体积指数 (LAVI) 对于评估心脏回 (MR) 中的左心房重塑至关重要.
- 目前的指导方针建议LAVI>60mL/m2在无症状的MR患者中进行额头门修复手术.
- 心声图是标准的,但心磁共振成像 (CMR) 提供了更高的精度.
研究的目的:
- 在MR患者中比较心声回声和CMR之间的LAVI测量.
- 评估LAVI评估中差异的临床影响.
主要方法:
- 对168名MR患者进行了回声心脏成像和CMR后期分析.
- 使用皮尔森相关性和布兰德-阿尔特曼图表来比较LAVI.
- 根据MR等级分层,并评估临床影响.
主要成果:
- 在CMR中,LAVI显著高 (70mL/m2) 于心声回声 (47.1mL/m2),平均差异为~20mL/m2.
- CMR使满足手术LAVI标准的患者比例增加了37%.
- 在MR等级之间,LAVI变化没有差异.
结论:
- 与CMR相比,心声扫描系统地低估了MR患者的LAVI.
- 为了有效的临床管理,CMR的精度需要CMR特定的LAVI截止值.
- 修订的标准可以改善患者分层和手术时间,以获得更好的结果.
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