在人体生理应激后,对综合心肺呼吸系统网络动态的非侵入性评估
Cecilia Morandotti1, Louise Rigny1, Thomas B Williams2
1Network Physiology Laboratory, UCL Division of Medicine, University College London, London, UK.
The Journal of physiology
|July 7, 2025
概括
网络生理学使用转移可视化心肺呼吸相互作用. 运动,缺氧和睡眠不足都会改变信息流,运动会增加网络连接和心率,成为信息的中心接收者.
科学领域:
- 生理学 生理学 生理学
- 信息理论 信息理论
- 网络科学 网络科学
背景情况:
- 了解心肺呼吸系统的相互作用对于生理控制和监测至关重要.
- 网络生理学为研究复杂的生理系统行为提供了一种新的方法.
- 需要使用非侵入性方法来可视化心肺呼吸系统网络的动态.
研究的目的:
- 开发一种非侵入性方法来可视化心肺呼吸系统网络.
- 在控制条件下和暴露于缺氧,运动和睡眠剥夺后绘制信息流.
- 分析对生理压力因素的适应性反应.
主要方法:
- 利用转移量化心肺呼吸时间序列数据之间的因果关系.
- 生成的网络地图说明了心率,呼吸率,通风,潮体积,SpO2,潮末端O2和潮末端CO2之间的信息流.
- 在休息条件下评估了22名健康参与者,并在单独/联合压力因素 (低氧,运动,睡眠不足) 之后进行了评估.
主要成果:
- 每个压力因素都诱导了一种独特的生理信息交换模式.
- 运动,单独或与其他压力因素相结合,增加心肺呼吸系统网络连接.
- 在运动期间,心率成为主要信息接收者,而SpO2则作为主要传播者.
- 缺氧使SPO2成为网络枢纽,睡眠剥夺改变了缺氧期间的信息流.
结论:
- 开发的非侵入性方法有效地绘制心肺呼吸系统相互作用的地图.
- 这种方法揭示了心肺呼吸系统内显著的双向相互作用.
- 这些发现提供了关于综合网络动态和对生理压力因素的适应性反应的见解.
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