暴露于极端热和COPD死亡率:从睡眠时间的洞察力
Wenfeng Lu1,2, Hong Sun3, Ruijun Xu4
1Key Laboratory of Advanced Interdisciplinary Studies, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, China.
Environmental science & technology
|June 13, 2025
概括
睡眠期间的极端高温显著增加了慢性阻塞性肺病 (COPD) 患者的死亡风险. 这项研究强调,迫切需要采取干预措施,保护弱势群体免受与热有关的呼吸道疾病的侵害.
科学领域:
- 环境健康 环境健康
- 呼吸系统医学 呼吸系统医学
- 气候变化研究 气候变化研究
背景情况:
- 气候变化引起的极端高温会扰乱睡眠,对慢性阻塞性肺病 (COPD) 患者构成风险.
- 有限的直接证据将睡眠时间的热量暴露与COPD死亡率联系在一起,需要进一步调查.
研究的目的:
- 调查睡眠期间极端高温与COPD死亡率之间的联系.
- 量化可归因于COPD患者在睡眠时间暴露于热量的死亡负担.
主要方法:
- 采用了时间分层的案例交叉研究设计.
- 条件后勤回归和分布式滞后非线性模型分析了来自中国江苏省的每日COPD死亡数据 (2015-2022年).
- 累积的睡眠时间表面温度 (eSAT) 量化了睡眠期间的极端热量暴露.
主要成果:
- 随着COPD,COPD急性恶化 (AECOPD) 和慢性支气管炎的eSAT升高,观察到单调,非线性死亡率的增加.
- 在女性,老年人,寡妇,农民和空调拥有率较低的地区,eSAT与死亡率之间的关联更为强烈.
- 在COPD死亡中,eSAT暴露占3.37%,在AECOPD死亡中占3.07%,在慢性支气管炎死亡中占4.59%.
结论:
- 睡眠期间暴露于极端热量是COPD死亡率的重要风险因素.
- 有针对性的干预措施至关重要,以减轻睡眠时间热对呼吸系统健康的影响,特别是对弱势群体.
- 这项研究强调了气候变化对慢性呼吸道疾病的公共卫生影响.
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