期刊
ENVIRONMENTAL HEALTH PERSPECTIVES
卷 123, 期 8, 页码 785-791出版社
US DEPT HEALTH HUMAN SCIENCES PUBLIC HEALTH SCIENCE
DOI: 10.1289/ehp.1408224
关键词
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资金
- European Community's Seventh Framework Program [211250]
- Academy of Finland [129317]
- Helmholtz Zentrum Munchen
- German Research Center for Environmental Health
- German Federal Ministry of Education and Research
- State of Bavaria
- Heinz Nixdorf Foundation
- German Ministry of Education and Science
- German Research Foundation (DFG) [JO-170/8-1, HO 3314/2-1, SI 236/8-1, SI236/9-1]
- Swiss National Science Foundation [8 33CSCO-134276/1, 33CSCO-108796, 3247BO-104283, 3247BO-104288, 3247BO-104284, 9 3247-065896, 3100-059302, 3200-052720, 3200-042532, 4026-028099]
- Federal Office for the Environment
- Swedish Environmental Protection Agency
- Swedish Heart-Lung Foundation
- Swedish Council for Working Life and Social Research
BACKGROUND: Exposure to particulate matter air pollution (PM) has been associated with cardiovascular diseases. Objectives: In this study we evaluated whether annual exposure to ambient air pollution is associated with systemic inflammation, which is hypothesized to be an intermediate step to cardiovascular disease. METHODS: Six cohorts of adults from Central and Northern Europe were used in this cross-sectional study as part of the larger ESCAPE project (European Study of Cohorts for Air Pollution Effects). Data on levels of blood markers for systemic inflammation-high-sensitivity C-reactive protein (CRP) and fibrinogen-were available for 22,561 and 17,428 persons, respectively. Land use regression models were used to estimate cohort participants' long-term exposure to various size fractions of PM, soot, and nitrogen oxides (NOx). In addition, traffic intensity on the closest street and traffic load within 100 m from home were used as indicators of traffic air pollution exposure. RESULTS: Particulate air pollution was not associated with systemic inflammation. However, cohort participants living on a busy (>10,000 vehicles/day) road had elevated CRP values (10.2%; 95% CI: 2.4, 18.8%, compared with persons living on a quiet residential street with <1,000 vehicles/day). Annual NOx concentration was also positively associated with levels of CRP (3.2%; 95% CI: 0.3, 6.1 per 20 mu g/m(3)), but the effect estimate was more sensitive to model adjustments. For fibrinogen, no consistent associations were observed. CONCLUSIONS: Living close to busy traffic was associated with increased CRP concentrations, a known risk factor for cardiovascular diseases. However, it remains unclear which specific air-pollutants are responsible for the association.
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