在进行大动脉置换患者的非侵入性左心室心肌功能指数的内科评估
Jakob Labus1, Lukas Brand1, Katharina Feige1
1Department of Anesthesiology and Intensive Care Medicine, University Hospital of Cologne, and Faculty of Medicine, University of Cologne, Cologne, Germany.
Journal of cardiothoracic and vascular anesthesia
|July 28, 2024
概括
左心室心肌工作 (MW) 评估在大动脉置换手术期间提供了超越标准心声回声扫描的见解. 这种技术揭示了心脏绕道术后心脏工作量减少,突出了其在术后评估中的价值.
科学领域:
- 心脏病学 心脏病学
- 心脏外科手术 心脏外科手术
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
背景情况:
- 非侵入性左心室 (LV) 心肌工作 (MW) 评估提供了对心脏收缩性和疗效的见解.
- 在手术大动脉置换 (AVR) 期间MW的手术内数据有限.
- 传统的心声回声学可能无法完全捕捉术后心脏功能变化.
研究的目的:
- 评估在接受AVR的患者中使用跨食道心声扫描进行手术内LV MW评估的可行性.
- 为了将MW测量与传统的2D和3D心声回声和应变分析进行比较.
- 在AVR患者中描述LV功能评估的手术内过程.
主要方法:
- 在单一大学医院进行前性观察性研究.
- 包括25名接受隔离AVR的患者,手术前心室功能保留.
- 经食道回声心电图在三个时间点进行:麻醉前,心肺旁路后和关后.
主要成果:
- 在所有患者中,LV MW评估是可行的.
- 全球工作指数和建设性工作在AVR后显著下降,而浪费的工作保持不变.
- 在外科手术结束后,LV的整体工作效率立即下降,但在手术结束时得到改善.
- 传统的测量方法,如喷射分数,没有显著的变化.
结论:
- LV MW分析检测到绕道后的LV工作量减少,这在传统心声回声学中并不明显.
- 这种技术为AVR期间的心脏能量和效率提供了更深入的见解.
- 术内MW评估是评估AVR患者心室功能的一个有价值的工具.
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