基于摄像头的评估深呼吸对脚下脚部微循环的影响 - - 一项针对年轻健康人群的试点研究
Jan Seleng1, Denisa Celovska2, Patrik Procka1
1Dept. of Electromagnetic and Biomedical Engineering, Faculty of Electrical Engineering and Information Technology, University of Zilina, Zilina, Slovakia.
Computers in biology and medicine
|March 11, 2025
概括
缓慢深呼吸可以促进脚下脚部的微血管输液,并同步生理节奏. 摄像力学成像 (PPGI) 在健康个体中有效测量这些自主和血管动态.
科学领域:
- 身体生理学 身体生理学
- 血管生物学 血管生物学
- 自主神经系统的自主神经系统
背景情况:
- 脚下部的微血管功能是整体血管健康的关键指标.
- 生理振荡器 (心率,呼吸,肌原,神经) 影响微循环.
- 缓慢深呼吸 (SDB) 调节自主活动和外周血流.
研究的目的:
- 为了研究SDB对脚部足 perfusion 的影响.
- 用PPGI评估微血管能量,振幅和相同步的变化.
主要方法:
- 20名健康成年人接受了四个阶段的方案:基线,深呼吸测试 (DBT) 和恢复.
- 摄像力学成像 (PPGI) 测量了脚下足部 perfusion 动态.
- 时间频率和先进的信号处理分析了生理振荡器活动.
主要成果:
- 在所有频段中,SDB显著增加了 perfusion 能量.
- 心率信号波在DBT期间下降.
- 阶段同步在呼吸,肌原和神经原带得到改善,肌原同步在DBT后持续存在.
结论:
- 在健康人群中,SDB增强了微血管输液,并同步了自主振荡器.
- PPGI是一种有前途的非侵入性工具,用于评估自主和微血管功能.
- 需要进一步的研究来评估PPGI在临床人群中的早期功能障碍检测.
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