长时间坐着会导致健康年轻男性血压升高:一项随机交叉试验
Hajime Tamiya1, Megumi Hoshiai2, Takuya Abe3
1Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, JPN.
Cureus
|April 1, 2024
概括
长时间坐着会显著增加年轻男性的透静血压和平均动脉压,原因是同情神经活动增加和腿部的液体保留. 系统性血压保持不变.
科学领域:
- 心血管生理学心血管生理学
- 人体生理学 人体生理学
背景情况:
- 长时间坐着可以导致下腿的血液积聚,可能通过交感神经活动和血管抵抗增加血压.
- 这种生理反应在久坐行为研究中被认为是主要的结果.
研究的目的:
- 为了比较长时间坐着和长时间卧床对健康年轻男性血压和相关生理标志物的影响.
主要方法:
- 一项随机交叉研究,涉及16名健康的年轻男性.
- 参与者接受了3小时的坐姿 (SIT) 和3小时的仰卧 (CON) 状态,分隔一个洗期.
- 测量包括静缩血压 (SBP),静缩血压 (DBP),平均动脉压 (MAP),心率 (HR),LF/HF比率和腿周长.
主要成果:
- 与卧卧状态相比,坐着随着时间的推移显著增加了DBP,MAP,HR,LF/HF比率和腿周长.
- SBP没有显示出坐姿和卧姿之间或随着时间的推移的显著变化.
- 这些增加是统计学上显著的 (P < 0.05).
结论:
- 在健康的年轻人中,长时间坐着与交感神经活动增加和周围血管抵抗有关.
- 在长时间坐着时,下肢的液体保留会导致DBP和MAP的升高.
- 这些发现强调了久坐不动行为对心血管调节的影响.
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