臭氧对心血管死亡率的短期不良影响因季节和温度而改变:一项时间序列研究
Panjun Gao1, Yongsheng Wu2, Lihuan He3
1Department of Health, Ethics and Society, Care and Public Health Research Institute (CAPHRI), Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, Netherlands.
Frontiers in public health
|June 26, 2023
概括
臭氧污染对心血管死亡率产生重大影响,特别是在高温期间的年轻人群中. 极端高温加剧了这些风险,这表明中国需要更严格的空气质量标准.
科学领域:
- 环境健康 环境健康
- 心血管流行病学心血管流行病学
- 空气污染研究研究
背景情况:
- 环境臭氧污染在中国是一个严重的环境问题.
- 以前对臭氧短期心血管影响的研究已经产生了有争议和有限的结论,特别是关于因特定原因的死亡率和与环境因素的相互作用.
研究的目的:
- 调查环境臭氧对心血管死亡率的短期影响.
- 检查季节和温度如何改变这些效应.
主要方法:
- 分析了深 (2013-2019) 的心血管死亡记录,空气污染物和气象数据.
- 利用通用添加模型 (GAMs) 来评估不同人口统计数据中每日臭氧指标 (1小时最大,8小时最大平均值) 和心血管死亡率之间的关联.
- 根据季节和温度进行分层分析,以评估效应的修改.
主要成果:
- 臭氧分布式滞后影响对总心血管死亡和缺血性心脏病 (IHD) 死亡率最为重要.
- 65岁以下的人最容易受到感染.
- 在温暖的季节,高温和极端高温期间观察到显著的臭氧效应. 极端的热量放大了臭氧对65岁以下心血管疾病 (CVD) 和IHD的不良影响.
结论:
- 臭氧暴露带来了显著的心血管风险,甚至低于当前空气质量标准,这凸显了中国需要改善监管的必要性.
- 升高的温度,特别是极端的热量,是关键的变化因子,大大增加了臭氧对年轻人心血管健康的有害影响.
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