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Sub-micrometer particulate air pollution and cardiovascular mortality in Beijing, China
Breitner, Susanne1,2; Liu, Liqun1,2,3; Cyrys, Josef1,4; Brueske, Irene5; Franck, Ulrich6; Schlink, Uwe6; Leitte, Arne Marian6; Herbarth, Olf6,7; Wiedensohler, Alfred8; Wehner, Birgit8; Hu, Min9; Pan, Xiao-Chuan3; Wichmann, H-Erich2,5; Peters, Annette1,10
关键词Beijing Cardiovascular Mortality Particle Number Particle Surface Area Particle Mass Air Mass History
刊名SCIENCE OF THE TOTAL ENVIRONMENT
2011-11-15
DOI10.1016/j.scitotenv.2011.08.023
409期:24页:5196-5204
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Environmental Sciences
研究领域[WOS]Environmental Sciences & Ecology
关键词[WOS]PARTICLE NUMBER CONCENTRATION ; TIME-SERIES ; ULTRAFINE PARTICLES ; EUROPEAN CITIES ; HEALTH ; SIZE ; AEROSOL ; MATTER ; MASS
英文摘要

Background: While the link between particulate matter and cardiovascular mortality is well established, it is not fully investigated and understood which properties of the aerosol might be responsible for the health effects, especially in polluted mega-city areas.

Objectives: Our goal was to explore the association between daily cardiovascular mortality and different particle metrics in the sub-micrometer range in Beijing, China.

Methods: We obtained daily counts of cause-specific cardiovascular deaths in the Beijing urban area for the period March 2004 to August 2005. Concurrently, continuous measurements of particle number size distributions were performed. Particle number concentrations (NC) between 0.003 mu m and 0.8 mu m were converted to particle mass and surface area concentrations assuming spherical particles. Semi-parametric Poisson regression models adjusting for trend, seasonality, day of the week, and meteorology were used to estimate immediate, delayed and cumulative particle effects. Additionally, effect modification by air mass origin was investigated.

Results: We observed associations between daily cardiovascular mortality and particle NC for a 2-days delay. Moreover, nearly all particle metrics showed 2-days delayed associations with ischemic heart disease mortality. The strongest association was found for particle NC in the size range 0.03-0.1 mu m (7.1% increase in daily mortality with a 95%-confidence interval of 2.9%-11.5%, per an increase of 6250 particles/cm(3)). Results for surface and mass concentrations with a lag of two days indicated effect modification by air mass origin, whereas effects of particle NC were not modified.

Conclusions: Results show an elevated risk of cardiovascular mortality in Beijing from short-term exposure to particulate air pollution in the sub-micrometer range. Results also indicate that locally produced smaller particles and regionally transported particles may exhibit different effects in Beijing. (C) 2011 Elsevier B.V. All rights reserved.

语种英语
WOS记录号WOS:000297444800005
项目编号PE 1156/1-2 ; WI 621/16-1 ; 2008601213
资助机构German Research Foundation (DFG) ; China Scholarship Council (CSC)
引用统计
被引频次:55[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/57683
专题北京大学公共卫生学院
作者单位1.Helmholtz Zentrum Munchen, German Res Ctr Environm Hlth, Inst Epidemiol 2, D-85764 Neuherberg, Germany
2.Univ Munich, IBE Chair Epidemiol, Munich, Germany
3.Univ Augsburg, Ctr Environm Sci, Augsburg, Germany
4.Univ Leipzig, Leipzig, Germany
5.Leibniz Inst Tropospher Res IfT, Leipzig, Germany
6.Peking Univ, Hlth Sci Ctr, Sch Publ Hlth, Beijing 100871, Peoples R China
7.Helmholtz Zentrum Munchen, German Res Ctr Environm Hlth, Inst Epidemiol 1, D-85764 Neuherberg, Germany
8.UFZ Helmholtz Ctr Environm Res, Core Facil Studies, Leipzig, Germany
9.Peking Univ, Coll Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100871, Peoples R China
10.Helmholtz Zentrum Munchen, German Res Ctr Environm Hlth, Focus Network Nanoparticles & Hlth NanoHlth, D-85764 Neuherberg, Germany
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GB/T 7714
Breitner, Susanne,Liu, Liqun,Cyrys, Josef,et al. Sub-micrometer particulate air pollution and cardiovascular mortality in Beijing, China[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2011,409(24):5196-5204.
APA Breitner, Susanne.,Liu, Liqun.,Cyrys, Josef.,Brueske, Irene.,Franck, Ulrich.,...&Peters, Annette.(2011).Sub-micrometer particulate air pollution and cardiovascular mortality in Beijing, China.SCIENCE OF THE TOTAL ENVIRONMENT,409(24),5196-5204.
MLA Breitner, Susanne,et al."Sub-micrometer particulate air pollution and cardiovascular mortality in Beijing, China".SCIENCE OF THE TOTAL ENVIRONMENT 409.24(2011):5196-5204.
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