直立姿势对竞争运动员左心房应变的影响
Joscha Kandels1, Stephan Stöbe1, Robert Percy Marshall2,3
1Klinik und Poliklinik für Kardiologie, Universitätsklinikum Leipzig, Liebigstr. 20, 04103 Leipzig, Germany.
Journal of cardiovascular development and disease
|September 27, 2024
概括
直立姿势显著影响运动员的左心房应变 (LAS) 测量,显示导电,收缩和储应变的减少. 这些发现对于解释运动员直立运动时的心声回声仪至关重要.
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.
- 运动心脏病学 运动心脏病学
背景情况:
- 通过斑点跟踪心声学 (STE) 评估的左心房应变 (LAS) 量化了左心房 (LA) 功能,并作为左心室 (LV) 病理学的早期指标.
- 运动测试通常涉及直立跑步机协议,需要了解心脏测量对姿势的影响.
研究的目的:
- 为了研究直立姿势对健康运动员左心房张力 (LAS) 参数的影响,使用斑点跟踪心声学 (STE).
主要方法:
- 50名男性运动员在直立和左侧位置进行过胸前心电回声扫描 (TTE).
- 斑点跟踪回声心脏图 (STE) 用于评估两种姿势的左心房传导应变 (LAScd),收缩应变 (LASct),储应变 (LASr) 和最大LA体积 (LAVmax).
主要成果:
- 在直立和左侧位置之间观察到LAScd,LASct,LASr和LAVmax的显著差异 (p <0.001对所有).
- 具体来说,与左侧姿势相比,直立姿势导致LAScd,LASct和LASr的减少.
结论:
- 直立姿势显著改变左心房变形,导致LAScd,LASct和LASr的减少.
- 这些发现对于了解运动员的心脏生理学很重要,并且应在直立姿势下进行心声图评估时考虑,特别是在跑步机上.
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