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急性部分睡眠限制不会影响年轻和健康人群的动脉功能
Joshua M Cherubini1, Jem L Cheng1, Calvin M Armstrong1
1Department of Kinesiology, McMaster University, Hamilton, Ontario, Canada.
Experimental physiology
|June 20, 2024
概括
一晚的部分睡眠限制 (PSR) 并没有影响年轻成年人的动脉功能或心脏呼吸能力. 急性睡眠丧失没有影响内皮功能或血液动力学.
科学领域:
- 心血管生理学心血管生理学
- 睡眠科学 睡眠科学
- 血管生物学 血管生物学
背景情况:
- 习惯性睡眠不足与心血管疾病有关.
- 实验研究表明,睡眠不足后动脉功能受损.
- 部分睡眠限制 (PSR) 对动脉健康的急性影响尚不清楚.
研究的目的:
- 为了研究一晚的部分睡眠限制 (PSR) 对动脉结构和功能的急性影响.
- 评估心肺呼吸能力是否能缓和对急性睡眠限制的动脉反应.
主要方法:
- 在两个条件下评估了32名大学年龄的参与者:正常睡眠 (NS) 和急性PSR (3小时的睡眠).
- 通过超声波测量使用手臂动脉流介导扩张 (FMD) 来测量内皮功能.
- 使用斜坡峰氧吸收测试评估心肺呼吸能力,并分析血液样本的循环因子.
主要成果:
- 与NS相比,在PSR后的睡眠时间明显较短 (P < 0.001).
- 在血液动力学结果中没有发现显著差异,包括口病 (NS:6.5 ± 2.9%;PSR:6.3 ± 2.9%;P = 0.668).
- 心肺呼吸能力没有缓解对PSR的血液动力学反应,ex vivo细胞培养证实内皮功能细胞内过程没有改变.
结论:
- 一晚的急性部分睡眠限制似乎不会改变健康年轻人的动脉结构或功能.
- 心血管健康并不能调节对急性睡眠限制的动脉反应.
- 这些发现表明,急性,短期的睡眠限制可能不会在这个人群中对血管健康产生立即的有害影响.
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