马拉松跑步者的二维斑点跟踪回声心脏图和实时三维回声心脏图:对左心房的研究
Pan Yang1, Zhixiang Ge1, Liping Wang1
1Department of Echocardiography of The Third Affiliated Hospital of Soochow University, Changzhou First People's Hospital, Changzhou City, Jiangsu Province, China.
Clinical cardiology
|December 2, 2025
概括
具有正常左心室质量指数 (LVMI) 的马拉松跑者显示左心室 (LA) 功能增强. 然而,那些患有左心室缩 (LVH) 的人表现出增加的LA体积和减少的LA菌株,根据高级心声回声学的评估.
科学领域:
- 心脏病学 心脏病学
- 运动医学 运动医学
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
背景情况:
- 耐力运动员,特别是马拉松运动员,经常表现出心脏适应.
- 左心房 (LA) 的结构和功能是心血管健康的关键指标.
- 左心室缩 (LVH) 对马拉松跑者的LA功能的影响需要详细评估.
研究的目的:
- 为了评估马拉松跑步者的左心房 (LA) 结构和功能,使用二维斑点跟踪心声学 (2D-STE) 和实时三维心声学 (RT-3DE).
- 为了比较马拉松跑者与正常左心室质量指数 (LVMI) 和患有LVH的人之间的LA参数.
主要方法:
- 招募了50名健康对照和132名马拉松跑者.
- 使用2D-STE和RT-3DE测量LA结构和功能参数和LVMI.
- 根据对比分析的LVMI标准将马拉松运动员分为正常的LVMI和LVH组.
主要成果:
- 与对照人群相比,正常LVMI的马拉松跑者显示较高的LA总喷射率 (LATEF) 和LA被动喷射率 (LAPEF).
- 与对照组和正常的LVMI组相比,LVH组的LA最大体积指数 (LAVImax),LA压缩前体积指数 (LAVIpre) 和LA刚度指数 (LASI) 增加.
- LVH 组显示较低的 LA 储应变 (LASr),LA 导管应变 (LAScd) 和 LA 收缩应变 (LASct).
- LAVImax,LAScd和LASct与LVH显著相关;LAVImax与LVMI增加,而LAScd和LASct则下降.
结论:
- 2D-STE和RT-3DE是评估马拉松跑者的LA结构和功能的有效工具.
- 具有正常LVMI的马拉松跑者保持正常或增强的LA功能.
- 患有LVH的马拉松跑步者表现出LA体积和应变功能受损,突出显示LVH对心房功能的有害影响.
相关概念视频
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