急性高空暴露对心率变化的影响:系统性审查和元分析
Hao Li1, Xiangwei Chen2, Cong Huang1
1School of Physical Education, Shaanxi Normal University, Xi'an, China.
Frontiers in physiology
|January 21, 2026
概括
急性高空暴露显著降低心率变化 (HRV) 指数,表明自主神经系统失衡. 像逐渐上升这样的策略可以帮助适应.
科学领域:
- 身体生理学 身体生理学
- 环境医学 环境医学
- 心血管研究研究心血管研究
背景情况:
- 高海拔环境给人体带来了生理上的挑战.
- 了解自主神经系统 (ANS) 适应急性高度暴露对健康和表现至关重要.
研究的目的:
- 系统地审查和元分析急性高空暴露对心率变化 (HRV) 的影响.
- 在高海拔条件下阐明自主神经系统的适应性变化.
主要方法:
- 按照PRISMA 2020指南进行系统审查和元分析.
- 搜索了多个数据库 (PubMed,科学网,Embase等) 对于符合条件的研究.
- 包括健康成年人急性登山 (≥2,500 m, ≤7天) 报告HRV指数 (SDNN, RMSSD, pNN50, HF, LF) 的研究.
主要成果:
- 急性高空暴露显著减少了SDNN,RMSSD,pNN50,HF和LF (所有p <0.001).
- 在LF/HF比率显著增加 (p < 0.001),表明同情的优势.
- 较高的高度 (≥3,500 m) 显示SDNN的减少和LF/HF的增加更明显.
结论:
- 急性高空暴露导致HRV降低,阴道抽缩和相对交感主导.
- 训练有素的个体表现出更好的低频振荡的保存和更强的同情调节.
- 建议包括逐步上升和重点恢复的培训,以减轻自主性障碍.
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