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Short-term exposure to traffic-related air pollution and ischemic stroke onset in Barcelona, Spain

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dc.contributor.author Vivanco Hidalgo, Rosa María
dc.contributor.author Wellenius, Gregory A.
dc.contributor.author Basagaña Flores, Xavier
dc.contributor.author Cirach, Marta
dc.contributor.author González, Alejandra Gómez
dc.contributor.author Ceballos, Pablo de
dc.contributor.author Zabalza, Ana
dc.contributor.author Jiménez Conde, Jordi
dc.contributor.author Soriano Tarraga, Carolina
dc.contributor.author Giralt-Steinhauer, Eva
dc.contributor.author Alastuey, Andrés
dc.contributor.author Querol, Xavier
dc.contributor.author Sunyer Deu, Jordi
dc.contributor.author Roquer, Jaume
dc.date.accessioned 2018-04-12T07:25:50Z
dc.date.available 2018-04-12T07:25:50Z
dc.date.issued 2018
dc.identifier.citation Vivanco-Hidalgo RM, Wellenius GA, Basagaña X, Cirach M, González AG, Ceballos P et al. Short-term exposure to traffic-related air pollution and ischemic stroke onset in Barcelona, Spain. Environ Res. 2018 Apr;162:160-5. DOI: 10.1016/j.envres.2017.12.024
dc.identifier.issn 0013-9351
dc.identifier.uri http://hdl.handle.net/10230/34346
dc.description.abstract OBJECTIVE: To assess the relationship between short-term exposure to outdoor ambient air pollutants (fine particulate matter [PM2.5] and black carbon [BC]), ischemic stroke (IS) and its different subtypes, and the potential modifying effect of neighborhood greenspace and noise. METHODS: This time-stratified case-crossover study was based on IS and transient ischemic attacks (TIA) recorded in a hospital-based prospective stroke register (BASICMAR 2005-2014) in Barcelona (Catalonia, Spain). Daily and hourly pollutant concentrations and meteorological data were obtained from monitoring stations in the city. Time-lags (from previous 72h to acute stroke onset) were analyzed. Greenness and noise were determined from the Normalized Difference Vegetation Index (NDVI) and daily average noise level at the street nearest to residential address, respectively. RESULTS: The 2742 cases with known onset date and time, living in the study area, were analyzed. After adjusting for temperature, no statistically significant association between pollutants exposure and overall stroke risk was found. In subtype analysis, an association was detected between BC exposure at 24-47h (odds ratio, 1.251; 95% confidence interval [CI], 1.001-1.552; P = 0.042) and 48-72h (1.211; 95% CI, 0.988-1.484; P = 0.065) time-lag prior to stroke onset and large-artery atherosclerosis subtype. No clear modifying effect of greenness or noise was observed. CONCLUSIONS: Overall, no association was found between PM2.5 and BC exposure and acute IS risk. By stroke subtype, large-artery atherosclerotic stroke could be triggered by daily increases in BC, a diesel fuel-related pollutant in the study area.
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher Elsevier
dc.relation.ispartof Environmental Research. 2018 Apr;162:160-5
dc.rights © 2018 The Authors. Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.title Short-term exposure to traffic-related air pollution and ischemic stroke onset in Barcelona, Spain
dc.type info:eu-repo/semantics/article
dc.identifier.doi http://dx.doi.org/10.1016/j.envres.2017.12.024
dc.subject.keyword Air pollution
dc.subject.keyword Atherosclerosis
dc.subject.keyword Black carbon
dc.subject.keyword Ischemic stroke
dc.rights.accessRights info:eu-repo/semantics/openAccess
dc.type.version info:eu-repo/semantics/publishedVersion

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