NEJM:空气污染与每日死亡率

2019-08-22 MedSci MedSci原创

研究认为PM10 和PM2.5与每日全因、心血管和呼吸死亡之间存在着独立的联系

近日研究人员就大气污染对健康的影响进行了系统全面的评价。

研究人员评估了可吸入颗粒物(PM)、PM10以及 PM2.5与多个国家或地区每日全因、心血管和呼吸死亡率的关系。从24个国家或地区的652个城市收集了每日死亡率和空气污染数据。

PM10浓度的2天平均值每立方米增加10μg,每日全因死亡率增加0.44%,每日心血管死亡率增加0.36%,每日呼吸系统疾病死亡率增加0.47%。PM2.5浓度相同变化导致的每日死亡率相应增加分别为0.68%、0.55%和0.74%。在对气体污染物进行调整后,上述关联仍然显著。在年平均PM浓度较低和年平均温度较高的地区,相关性更强。合并浓度-反应曲线显示,随着PM浓度的增加,每日死亡率持续增加,在较低的PM浓度下,斜率更大。

研究认为PM10 和PM2.5与每日全因、心血管和呼吸死亡之间存在着独立的联系。

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    2019-10-25 147612bem32暂无昵称

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    2019-10-10 一个字-牛

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    2019-08-23 一个字-牛

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    2019-08-22 旺医

    顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息

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