健康成年人的活跃和被动小腿运动中的静脉血动力学
Luiz Fernando Lima Albernaz1, Marcondes Antônio de Medeiros Figueiredo2, Daiane Taís Schlindwein Albernaz1
1Clínica Albernaz, Novo Hamburgo, Brazil.
Phlebology
|June 5, 2025
概括
通过机械装置进行被动的小腿运动,可以在健康成年人中实现与活跃的小腿运动类似的血液动力学效应,挑战静脉回归的肌肉收缩的必要性.
科学领域:
- 血管生理学 血管生理学
- 生物医学工程 生物医学工程
背景情况:
- 牛犊的生理效应对血管健康至关重要,防止静脉停滞和静脉缺陷.
- 肌肉活动传统上被认为是有效的小牛功能必不可少的.
- 关于被动小腿运动对血液动力学影响的研究有限.
研究的目的:
- 使用机械装置将被动的小腿运动的血液动力学效应与积极的自愿的小腿运动进行比较.
- 研究被动范围运动在刺激静脉回流中的有效性.
- 评估肌肉收缩与被动运动在小腿功能中的作用.
主要方法:
- 11名健康的成年志愿者参加了一项干预研究.
- 用超声波测量大腿静脉的血流量.
- 在活跃和被动的背部屈曲/脚部屈曲期间,使用光电显微镜评估了静脉容量.
主要成果:
- 股骨静脉的平均血流在活动 (286毫升/分钟) 和被动 (288毫升/分钟) 的小腿运动之间是可比的 (p = .929).
- 主动 (3.7%) 和被动 (3.5%) 运动的最大静脉容量是相似的 (p = .141).
- 在这两项干预中,血液流量在背部屈曲 (肌肉伸展) 期间达到峰值.
结论:
- 被动的小腿运动可以产生血液动力学效应,与健康个体的活跃运动相当.
- 这一发现可能挑战了对活跃的小腿肌肉收缩在静脉回归中的关键作用的既定理解.
- 促进被动小腿运动的机械装置可能提供一种增强静脉循环的替代方案.
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