Circulation:暴露于污染空气心脏会变大

2018-08-07 xujing 中国循环杂志

英国玛丽女王伦敦大学的研究人员在Circulation发表文章称,暴露于污染空气中,人在心脏结构上发生了类似于心力衰竭早期阶段的变化。


英国玛丽女王伦敦大学的研究人员在Circulation发表文章称,暴露于污染空气中,人在心脏结构上发生了类似于心力衰竭早期阶段的变化。
 
研究小组发现,那些居住在喧嚣繁忙的道路边的人接触到NO2或PM2.5与左、右心室增大显著有关。
 
研究者指出,虽然这些参与者看上去是健康,没有症状,但是他们的心脏已经发生的重构,其改变类似与心力衰竭的早期阶段。
 
暴露于污染物的浓度越高,其心脏结构的改变与显著。PM2.5每增加1 g/cm3,NO2每增加10 g/cm3,心脏就扩大了大约1%。
 
在这项研究中,英国PM2.5的平均年暴露量为25 g/cm3。研究者表示,虽然我们的研究是观察性的,不能显示因果联系,但是我们看到即使在相对低水平的空气污染暴露情况下,心脏结构也发生了显著变化。
 
研究分析了来自英国BioBank研究的大约4000名参与者的数据,
 
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    2018-09-02 1e145228m78(暂无匿称)

    学习了,谢谢作者分享!

    0

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    2018-08-08 liumin1987

    空气污染对心脏有害。

    0

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    2018-08-07 清风拂面

    谢谢分享学习

    0

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    2018-08-07 flysky120

    心脏大小还会根据空气质量有关

    0

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