[在高海拔地区的人群中,血和静止脉冲氧和之间的U形关联]
Yimei Guo1, Ronghui Li2, Ciren Laba2
1Department of Anesthesiology, Tibet Autonomous Region People's Hospital, Lhasa 850002, China. 593594572@qq.com.
概括
高血红素 (HCT) 水平与西藏成年人的低静止氧和有关. 最佳的HCT值因性别而异,高于这些值的水平可能会损害氧和.
科学领域:
- 身体生理学 身体生理学
- 高海拔医学 高海拔医学
- 血液学 血液学 血液学
背景情况:
- 高海拔环境带来了生理挑战,包括缺氧.
- 西藏人群体对高海拔地区具有独特的适应能力,例如血红素水平的变化.
- 了解血和氧和度之间的关系对于管理这些人群的健康至关重要.
研究的目的:
- 调查西藏成年人中血度 (HCT) 和低静止氧和度 (SpO2) 之间的关联.
- 确定最佳的血红素值,以保持高海拔地区足够的氧气和.
- 探索HCT和SpO2.2之间的非线性关系.
主要方法:
- 对3075名西藏成年住院患者进行了回顾性队列研究.
- 多变量逻辑回归用于评估HCT和SpO2<88%之间的关联.
- 有限制的立方线和逐块回归来建模非线性关系并确定拐点.
主要成果:
- 升高的HCT是低氧和的一个独立风险因素.
- 在HCT和低SpO2的风险之间观察到U形的关联.
- 最佳的HCT值总体为42.8%,女性为40.4%,男性为46.6%.
结论:
- 在西藏人群中,HCT和低静止氧和之间存在U形关系.
- 超过特定人群的HCT值可能表明对高海拔低氧的有害人造反应.
- 血克里特水平需要在高海拔群体中仔细考虑,以确保足够的氧化.
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