周围皮肤冷却对超重力期间神经内分泌白细胞和血液学反应的影响
Michael Nordine1, Niklas Kagelmann2, Jan Kloka3
1Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, Goethe University Frankfurt, University Hospital Frankfurt, Theodor-Stern Kai 7, 60590, Frankfurt, Germany. nordine@med.uni-frankfurt.de.
NPJ microgravity
|July 2, 2025
概括
外周皮肤冷却 (PSC) 通过增强神经内分泌功能,可以提高对超重力 (+Gz) 暴露的弹性. 这项研究表明,PSC将累积+Gz压力指数转移到noradrenergic依赖,可能提供心脏保护.
科学领域:
- 航空航天医学 航空航天医学
- 人体生理学 人体生理学
- 环境应激反应环境应激反应
背景情况:
- 最佳的神经内分泌反应对于耐受超重力 (+Gz) 暴露至关重要.
- 外周皮肤冷却 (PSC) 正在探索其增强神经内分泌功能和改善+Gz耐受性的潜力.
- 研究PSC对累积+Gz压力指数 (CGSI) 的影响及其与神经内分泌通路的关系至关重要.
研究的目的:
- 要确定外围皮肤冷却 (PSC) 是否会增加累积+Gz应力指数 (CGSI).
- 为了调查PSC是否会将CGSI转移到noradrenergic依赖.
- 探索PSC在+Gz暴露期间对神经内分泌,白细胞和血液学因素的影响.
主要方法:
- 十八名男性参与者在交叉设计中接受了分级+Gz配置文件.
- 使用北极太阳冷却进行了周围皮肤冷却 (PSC).
- 在+Gz暴露之前和之后评估了神经内分泌和血液资料.
主要成果:
- 累积+Gz压力指数 (CGSI) 在各组之间没有显著差异.
- 血清度仅在PSC组显著增加 (p=0.03).
- 在PSC组中,CGSI与北上腺素有很强的相关性 (p<0.01,r=0.71),表明增加了北上腺素反应.
结论:
- 周围皮肤冷却 (PSC) 可能在高重力 (+Gz) 暴露期间增强北上腺素反应能力,可能为太空任务和ICU患者提供心脏保护性益处.
- 基线血清甲基尼可以作为+Gz弹性的预测标志物.
- PSC表明白细胞和血液学因素在调节CGSI反应中的潜在参与.
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