性和心血管健康如何影响肺部扩散能力?
Cameron M Ehnes, Sophie É Collins, Andrew R Brotto
1Division of Pulmonary Medicine, Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, CANADA.
Medicine and science in sports and exercise
|May 1, 2025
概括
生物性别和心肺呼吸能力在运动期间显著影响肺扩散能力 (DLCO). 训练有素的男性表现出比训练有素的女性更高的DLCO,性别,健身和强度之间的相互作用影响了结果.
科学领域:
- 身体生理学 身体生理学
- 运动科学 运动科学
背景情况:
- 肺扩散能力 (DLCO) 受生物性别等不可修改因素和心肺呼吸能力等可修改因素的影响.
- 这些因素对DLCO的综合和相互作用影响尚未得到充分证实.
研究的目的:
- 调查生物性别和心肺呼吸能力 (V·O2峰值) 与DLCO及其决定因素的独立和联合关联.
- 为了分析休息和运动期间的这些关联,控制肺部大小 (VA).
主要方法:
- 对113名参与者 (57名女性) 的数据进行了回顾性分析.
- 使用了一般线性回归和线性混合效应建模.
- 评估的DLCO,毛细血管血液体积 (VC) 和膜扩散能力 (DM),调整为血红蛋白和肺部大小.
主要成果:
- 在休息时,仅仅性别在考虑肺部大小后仍然与DLCO有显著的关联;V̇O2峰值与休息时的VC有关.
- 在运动期间,DLCO与性行为有关,但在考虑肺部大小后,DLCO与性行为有关,而不是VO2峰值.
- 对于运动DLCO和VC发现了显著的相互作用效应,表明更高的V̇O2峰值增强了DLCO,特别是在训练有素的男性中,与训练有素的女性相比.
结论:
- 运动期间DLCO的反应受到生物性别和心肺呼吸能力相互作用的显著改变.
- 这些发现突出了在体力炼期间影响肺气体交换的复杂相互作用.
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