住宅暴露在交通中与冠状动脉样硬化有关
B Hoffmann1, S Moebus, S Möhlenkamp
1Institute for Medical Informatics, Biometry and Epidemiology, University Hospital Essen, Hufelandstrasse 55, 45122 Essen, Germany. barbara.hoffmann@uk-essen.de
Circulation
|July 20, 2007
概括
生活在主要道路附近与更多的冠状动脉化有关. 长期暴露于空气污染的一种形式的交通污染可能会加速动脉样硬化发展.
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
- 公共卫生 公共卫生
背景情况:
- 长期暴露于细颗粒物 (PM2.5) 空气污染是动脉样硬化的潜在加速器.
- 居住地靠近交通源是空气污染物暴露的关键途径.
研究的目的:
- 调查长期住房暴露于交通和细颗粒物 (PM2.5) 与冠状动脉样硬化的程度之间的联系.
- 量化交通近距离与冠状动脉化 (CAC) 之间的关系.
主要方法:
- 利用了德国海因茨·尼克斯多夫回忆研究中的4494名参与者 (45-74岁) 的基线数据.
- 从住宅到主要道路的计算距离和使用分散模型分配的年度PM2.5度.
- 通过电子束计算机断层扫描评估冠状动脉化 (CAC),并使用逻辑和线性回归分析相关性,控制风险因素.
主要成果:
- 居住在主要道路附近的参与者 (<50米,51米-100米,101米-200米) 与居住在200米外的人相比,高CAC的几率显著更高.
- 将距离到主要道路的距离减半与CAC增加7.0%有关.
- 微粒颗粒物暴露与CAC仅在没有全职工作至少5年的个人中有关.
结论:
- 长期暴露在高交通密度的住宅中,与冠状动脉样硬化程度有显著的关联.
- 靠近主要道路是冠状动脉疾病发展和进展的一个重要因素.
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