分析怀孕期间的热暴露和严重的孕产妇发病率
Anqi Jiao1, Yi Sun1,2, Chantal Avila3
1Department of Environmental and Occupational Health, Program in Public Health, University of California, Irvine.
JAMA network open
|September 7, 2023
概括
孕妇在怀孕期间暴露于热量会增加严重孕妇发病率 (SMM) 的风险. 长期和短期的热浪都与更高的SMM率有关,特别是在脆弱人群中.
科学领域:
- 环境健康 环境健康
- 生殖流行病学 生殖流行病学
- 气候变化和健康问题
背景情况:
- 在美国,严重孕产妇死亡率 (SMM) 正在上升.
- 关于环境热量暴露与SMM之间的关联的证据有限.
- 了解气候相关风险对于孕产妇健康至关重要.
研究的目的:
- 调查母亲长期和短期暴露于热量和SMM之间的关联.
- 确定与怀孕期间暴露于热量有关的潜在风险因素和脆弱群体.
主要方法:
- 在凯泽永久南加利福尼亚州 (2008-2018) 进行了以人口为基础的回顾性队列研究.
- 分析包括单独怀孕和SMM数据.
- 长期的热量暴露以热天的比例评估;短期的热浪定义 (持续时间和温度值).
主要成果:
- 在长期暴露于热量 (怀孕和第三季度) 与增加SMM风险之间发现了显著的关联.
- 在怀孕期间暴露于极端炎热天的高暴露率会使SMM风险增加27-28%.
- 根据所有定义,短期热浪暴露显著增加了SMM风险,并增加了更严重热浪的风险.
结论:
- 在怀孕期间长期和短期的热暴露都与SMM的更高风险有关.
- 研究结果强调了气候变化对孕产妇健康状况的影响.
- 结果强调了考虑到环境热量的SMM预防策略的需要.
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