在竞技运动员中进行的非侵入性双心室压力-应变-体积循环衍生的心肌工作分析
Andrea Ferencz1, Ádám Szijártó2,3, Tímea Katalin Turschl2
1Heart and Vascular Center, Semmelweis University, 68 Városmajor Street, Budapest, 1122, Hungary. ferencz.andrea12@gmail.com.
Scientific reports
|January 8, 2026
概括
一种新的3D回声心脏成像方法揭示了运动员心脏功能的增强. 与久坐不动的人相比,竞技运动员的右心室肌动力工作 (RV GWIV) 显著更高,并独立预测了竞争运动员的更大的运动能力.
科学领域:
- 心脏病学 心脏病学
- 运动生理学 运动生理学
- 医疗成像医学成像
背景情况:
- 强烈的运动会对心脏造成血液动力学负荷,导致形态重塑.
- 非侵入性地评估运动诱导的功能变化,如增强的收缩能力是具有挑战性的.
- 目前用于评估运动员心脏功能的方法可能会受到负载条件的影响.
研究的目的:
- 介绍一种新的3D心声回声 (3DE) 衍生方法,用于对双心室缩功能的非侵入性量化.
- 为竞技运动员开发不那么依赖负载条件的指标.
- 探索这些新型心脏功能指标与峰值运动能力之间的关系.
主要方法:
- 招募了260名运动员和24名静坐志愿者进行3DE分析.
- 测量了左心室 (LV) 和右心室 (RV) 的体积和喷射分数 (EF).
- 通过使用压力-应变-体积循环,推导出经体积调整的心肌工作 (MW) 指数 (LV GWIV 和 RV GWIV).
主要成果:
- 与对照人群相比,运动员表现出较低的双心膜EF和LV全球纵向菌株 (GLS),但明显更高的LV GWIV和RV GWIV.
- 在功能性心声学参数中,RV GWIV显示了与运动能力的最强相关性.
- 确定RV GWIV是运动能力的独立预测因子.
结论:
- 新的3DE衍生度量有效地捕捉了运动员休息时增强的双心脏功能.
- 右心室肌肉工作 (RV GWIV) 是运动员心脏功能增强的强有力的指标.
- RV GWIV独立地与更高的峰值运动能力相关,提供了有价值的临床指标.
相关概念视频
Exercise and Cardiac Output
Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be met...
Sustained exercise increases the muscles' oxygen demand, which can be met...
Exercise Stress Test
Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes


