环境细颗粒物和事件高血压之间的空间关联
Hong Chen1, Richard T Burnett, Jeffrey C Kwong
1From Public Health Ontario, Toronto, Ontario, Canada (H.C., J.C.K., R.C.); Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada (H.C., J.C.K., P.J.V., R.C.); Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada (H.C., J.C.K., A.K.); Population Studies Division, Health Canada, Ottawa, Ontario, Canada (R.T.B.); Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada (J.C.K.); Department of Health Sciences, Carleton University, Ottawa, Ontario, Canada (P.J.V.); Department of Medicine, McGill University, Montreal, Quebec, Canada (M.S.G.); Division of Clinical Epidemiology, McGill University Health Centre, Montreal, Quebec, Canada (M.S.G.); Division of Cardiovascular Medicine, University of Michigan Medical School, Ann Arbor (R.D.B.); Department of Physics and Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, Canada (A.v.D., R.V.M.); Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley (M.J.); Harvard-Smithsonian Center for Astrophysics, Cambridge, MA (R.V.M.); and Air Quality Research Division, Environment Canada, Toronto, Ontario, Canada (J.R.B.).
暴露于细颗粒物 (PM2.5) 与新出现的高血压病例有关. 这项人口研究发现,较高的PM2.5水平与高血压风险增加之间存在显著的关联.
科学领域:
- 环境健康 环境健康
- 流行病学 流行病学
- 心血管疾病研究研究
背景情况:
- 实验室研究表明细颗粒物 (PM2.5) 可能诱导高血压.
- 连接PM2.5暴露与高血压的流行病学证据有限.
研究的目的:
- 为了研究环境PM2.5暴露与高血压发病率在一个大型基于人口的队列之间的关联.
主要方法:
- 从1996年到2010年,加拿大安大略省的35,303名非高血压成年人进行了随访.
- 使用卫星数据估计了长期的PM2.5暴露.
- 使用了根据个人和情境风险因素调整的Cox比例危险模型.
主要成果:
- 在随访期间,发现了8649例高血压事件.
- 在PM2.5的10μg/m3增加与13%的事件高血压的风险增加相关 (HR=1.13,95% CI:1.05-1.22).
- 敏感性分析证实了观察到的关联的稳定性.
结论:
- 这项以人口为基础的研究提供了证据,支持PM2.5暴露与高血压发展之间的关联.
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