多肢振荡计袖子测量对血液动力学的影响:脉冲波传播建模的见解
Kamil Wolos1, Leszek Pstras1, Malgorzata Debowska1
1Laboratory of Mathematical Modeling of Physiological Processes, Nalecz Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences, Warsaw, Poland.
Frontiers in physiology
|September 2, 2025
概括
多肢振荡计袖子测量可以改变中央血液动力学. 这些血液动力学变化可能在心血管调节受损的个体中显著,需要进一步调查.
科学领域:
- 心血管生理学
- 生物医学工程
- 计算生物学
背景情况:
- 多肢振荡计袖子测量用于评估血管参数和特定肢体的动脉脉冲波形.
- 这些测量的潜在血液动力学影响,特别是当同时应用于多个肢体时,需要进行彻底的调查.
研究的目的:
- 使用in silico方法研究多肢振荡计袖口压力的血液动力学后果.
- 评估袖口位置和压力水平对血管系统内的血压和流动力学的影响.
主要方法:
- 使用0-1D脉冲波传播模型来模拟血液动力学反应.
- 模拟包括各种各样的袖口位置 (手腕和脚),包括同时在四个四肢上应用.
- 进行全球和局部敏感性分析以评估心血管参数的影响.
主要成果:
- 在四个四肢的同时超静脉胀增加了~10%的平均动脉压力 (MAP),大动脉和主要动脉的平均动脉血流增加了~11%.
- 单手腕袖口膨胀导致MAP (约2. 5%) 和动脉血流 (约3%) 的增加显著较小.
- 敏感性分析表明心血管调节机制可以减轻这些变化,并且在参数变化中发现的结果是稳定的.
结论:
- 多肢袖子测量可以诱导显著的中央血液动力学变化,特别是在缺乏强大的心血管调节的情况下.
- 这种测量可能会对心血管功能受损的个体带来风险.
- 建议进行进一步的体内研究以验证这些发现并为安全协议提供信息.
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