活跃的登山加速了4300米的急性山病的发生
Pierre A Fabries1,2,3, Steven D Landspurg1,4, Peter S Figueiredo1
1US Army Research Institute of Environmental Medicine, Natick, Massachusetts, United States.
Journal of applied physiology (Bethesda, Md. : 1985)
|July 18, 2025
概括
积极上升到高海拔 (HA) 加快了急性山病 (AMS) 的发病速度,症状在第一天达到峰值. 登山期间的体力炼会使AMS恶化,这可能是由于氧气不足的增加.
科学领域:
- 高度生理学 高度生理学
- 运动生理学 运动生理学
- 环境医学 环境医学
背景情况:
- 急性山病 (AMS) 是一个在高海拔地区 (HA) 常见的疾病.
- 积极登山 (徒步旅行) 与被动登山 (交通) 对AMS的影响尚未完全理解.
- 以前的研究表明,积极的登山可能会影响AMS的发病和严重程度.
研究的目的:
- 为了比较AMS的发病率,严重程度和时间过程,在4300米的积极与被动登后.
- 调查主动和被动登山之间的生理差异,包括能量消耗和氧气和.
- 为了确定在上升过程中高强度运动是否会加剧AMS症状.
主要方法:
- 32名健康参与者从低海拔上升到3950米,然后在4天内徒步 (活跃,n=16) 或被驱动 (被动,n=16) 到4300米.
- 每天使用环境症状问卷 (ESQ) 进行AMS评估.
- 在上升期间,监测了能量消耗和外周氧和等生理参数.
主要成果:
- 与被动组相比,活跃组在上升过程中消耗的能量显著增加,并且在上升过程中周围氧和度较低.
- 活性组的AMS发病率在第1天 (HA1) 达到峰值 (81%),而被动组的第二天 (HA2) 达到峰值 (69%).
- 在HA1的活跃组中观察到更高的AMS发病率,这表明运动会加剧早期AMS症状,原因是氧气不足增加.
结论:
- 与被动登相比,主动登至4,300米加速了AMS的发生.
- 登山期间的高强度运动在HA的最初几个小时加剧了AMS症状,可能是由于更大的低氧化.
- 应考虑采取对策来缓解运动诱导的AMS,特别是在到达HA后立即执行任务时.
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