Articles


Document Type
Journal article (JA)
Title
Air pollutants and asthma patient visits: Indication of source influence
Author
Guo, Huibin(1); Huang, Sijing(2); Chen, Minxuan(1)
Address
(1) Department of Environmental Science and Engineering, Fudan University, Shanghai; 200032, China; (2) Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xiamen University, Xiamen, China
RPAddress
Email
ResearchID
ORCID
Journal
Science of the Total Environment
Publisher
Elsevier B.V.
ISSN
0048-9697
Published
2018-06-01, 625:355-362.
JCR
2
ImpactFactor
4.900
ISBN
Fund_Code
HYMC
HYDD
HYKSRQ
HYJSRQ
HYLWLB
HYJB
Keywords
Air pollution - Diseases - Nitrogen oxides - Particles (particulate matter) - Pollution
Abstract
Background Sources of air pollutants are significant factors for adverse health effect. Few current studies explored the linking of sources influence and ambient pollutants to asthma patient visits in Shanghai, China. Objectives This study explored the associations between short-term exposures to ambient pollutants and asthma morbidity with terrestrial and marine source influence in Shanghai. Methods Generalized additive model (GAM) was used to explore the association of daily patient visits and ambient pollutants. These analyses were calculated in R statistical software in mgcv package. PSCF modeling was used to locate potential source areas contributing to the concentrations of pollutants. Results We found that per IQR of PM2.5, PM10, NO2, SO2, O3and CO in terrestrial source were associated with an increase of 6.63% (95% CI: ? 0.27% to 14%), 6.48% (95% CI: 0.06% to 13.3%), 1.68% (95% CI: ? 2.68% to 6.24%), 2.81% (95% CI: ? 1.42% to 7.22%), ? 0.60% (95% CI: ? 5.94% to 5.04%) and 16.6% (95% CI: 8.68% to 25.2%), respectively in asthma patient visits. Per IQR of PM2.5, PM10, NO2, SO2, O3and CO in marine source were associated with an increase of 5.34% (95% CI: 0.42% to 10.5%), 3.84% (95% CI: 0.08% to 7.74%), 3.21% (95% CI: ? 0.92% to 7.52%), 2.58% (95% CI: ? 1.02% to 6.30%), 1.42% (95% CI: ? 3.10% to 6.15%) and 8.81% (95% CI: 2.56% to 15.4%). The PSCF show all of the pollutants except O3mainly come from terrestrial during observation. We also found that all of the pollutants except NO2displayed the highest effect in the spring for relative risk of asthma morbidity. Conclusions Ambient air pollutants that cause an increase in asthma patient visits, such as PM2.5, PM10, NO2, SO2and CO are mainly produced from terrestrial sources, while O3is primarily from marine sources. The association of ambient pollutants and asthma patient visits is closely related with seasons, especially with spring. PM2.5and CO are major air pollutants increasing the relative risk of asthma patient visits in Shanghai. ? 2017
WOS Categories
Environmental Sciences
Accession Number
WOS:000426356600036
UT
20180104600270
DOI
10.1016/j.scitotenv.2017.12.298
ESI_Type
ENVIRONMENT/ECOLOGY
Collection
SCIE, EI

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