触觉呼吸指导会增加氧气和,但不会增加警觉性或缺氧症状
Yuval Steinman1,2, Eric Groen3,4, Monique H W Frings-Dresen2
1Center for Man in Aviation, Royal Netherlands Air Force, Soesterberg, The Netherlands.
PloS one
|June 12, 2024
概括
在模拟高空条件下,触摸引导的缓慢深呼吸显著改善了飞行员的血液氧和度 (SpO2). 然而,这种技术并没有提高警觉性或减少缺氧症状.
科学领域:
- 航空航天医学 航空航天医学
- 生理学 生理学 生理学
- 人类因素 人类因素
背景情况:
- 急性低血压缺氧对认知功能和氧和构成风险.
- 研究慢慢深呼吸技术,以减轻缺氧效应.
- 触觉指导为控制呼吸模式提供了一种新的方法.
研究的目的:
- 评估触觉引导的缓慢深呼吸对SpO2,警觉性和缺氧症状的影响.
- 评估触觉呼吸指导在低压环境中的可用性.
- 为了在模拟高空时比较指导呼吸与自发呼吸.
主要方法:
- 十二名男性军用飞行员接受了模拟的4,572米高度暴露.
- 重复测量研究比较自发呼吸与触觉引导的缓慢深呼吸.
- 测量包括SPO2,警觉 (斯坦福睡眠度量表),缺氧症状和可用性问卷.
主要成果:
- 与自发呼吸 (78%) 相比,触觉引导的缓慢深呼吸在休息时 (88%) 和认知任务期间 (85%) 显著增加了 SpO2.
- 在指导呼吸时,没有观察到警觉性或缺氧症状的显著改善或减少.
- 飞行员发现振动信号是可以接受的,但在认知任务中很难遵循这种模式.
结论:
- 触觉引导的缓慢深呼吸有效地增强了在低压性缺氧下SPO2.
- 当前的触觉指导可能需要预先培训,以便在苛刻的任务中进行最佳使用.
- 需要进一步的研究来将呼吸技术与航空中的认知表现相结合.
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