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左心房应变对左心室纵向运动的显著依赖

Tomoko Nishikage¹, Hiroyoshi Yamamoto^2,3, Naoe Fukumoto²

¹The Physiological Laboratory, Osaka Minato Central Hospital, Isoji, 1-7-1, Minato-ku, Osaka, 552-0003, Japan. tnishikage_924797@jcom.zaq.ne.jp.

Journal of echocardiography

|June 1, 2023

概括

左心房应变 (LAS) 与左心室静态纵向功能有显著的联系,包括全球纵向应变 (GLS) 和中心环状平面静态外流 (MAPSE). 这些发现强调了在评估左心房功能时评估左心室功能的重要性.

科学领域:

心脏病学心脏病学
心声回声扫描 (Echocardiography) 是一种心声回声扫描.
心脏生理学心脏生理学

背景情况:

左心室纵向功能与左心房应变之间的关系,特别是储功能,仍然不完全理解.
量化这些影响对于对心脏力学进行全面评估至关重要.

研究的目的:

调查和量化左心室静态纵向功能对左心房应变的影响.
确定左心房应变与左心室功能关键指标之间的相关性.

主要方法:

对124名患者进行了心声成像.
左心房应变 (LAS) 和左心房扩张指数 (LAEI) 使用2D斑点跟踪测量.
全球纵向应变 (GLS) 和环平面缩外流 (MAPSE) 被评估为左心室功能指标.

主要成果:

在LAS和GLS (r=0.63,p<0.001) 和MAPSE (r=0.65,p<0.001) 之间观察到显著的正相关性.
多变量回归分析确定GLS和MAPSE是LAS的独立决定因素和最强的预测因素.
这些左心室静态纵向功能参数解释了 LAS 变异性的很大一部分.

结论:

左心房张力,是衡量左心房储功能的指标,与左心室缩纵向功能有显著的关联.
在解释LAS时,应考虑左心室功能,特别是像GLS和MAPSE这样的纵向参数.
这项研究强调了心脏血液动力学中左心房和左心室功能的相互联系.

关键词:

全球纵向菌株全球纵向菌株左心房的功能是左心房功能.左心房应变是左心房应变.美特拉环状平面缩外流储水池是一个水库.

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