压缩应用和运动对健康志愿者界面压力 (IP) 梯度的影响
James B Cox1, Suzie Ehmann2, Aidan J Quinn1
1Department of Bioengineering, Clemson University, Clemson, SC, USA.
概括
这项研究测量了在健康腿部的各种压缩应用下使用压缩感应器测量体内界面压力 (IP). 结果显示了显著的压力变化,突出了需要考虑肢体IP随时间变化的需要.
科学领域:
- 生物医学工程 生物医学工程
- 血管医学 血管医学
- 生物力学 生物力学
背景情况:
- 下肢压缩对于治疗血管和伤口疾病至关重要.
- 关于在肢体和不同压缩类型下的体内界面压力 (IP) 变化存在有限的数据.
研究的目的:
- 为了量化局部和梯度的in-vivoIP地图,使用一个压电阻 (PR) 传感器.
- 在健康受试者中评估三种不同的压缩应用 (弹性股票,EdemaWear,CoFlex TLC和组合) 下的IP变化.
主要方法:
- 采用一个压力阻抗 (PR) 传感器,测量40名健康受试者的右腿上的体内接口压力 (IP).
- 测试了三种压缩应用:弹性,EdemaWear (EW),CoFlex TLC (CF) 和一个组合 (BO = CF / EW).
- 在不同的身体位置和10分钟的运动后评估IP变化.
主要成果:
- 在所有压缩条件之间观察到IP的显著差异,根据身体位置和运动而异.
- 压力范围从10.8 ± 4.2 mmHg (卧式EW) 到38.2 ± 10.7 mmHg (站立BO).
- 不统一的IP减少发生在CF和BO下,在BO下近距离下降37%,EW没有减少.
结论:
- 压式传感器提供了对in-vivo压缩效应的全面了解.
- 接口压力在四肢之间有显著的变化,随着压缩磨损随着时间的推移而发生变化.
- 压缩应用方法和身体位置极大地影响压力分布和有效性.
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