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  • Title: Impact of air pollutants on hospital visits for pediatric asthma in Fuzhou city, southeast China.
    Author: Zhou Q, Kang SL, Lin X, Zhang XY.
    Journal: Environ Sci Pollut Res Int; 2022 Aug; 29(39):58664-58674. PubMed ID: 35366721.
    Abstract:
    Rapid social development in China has resulted in severe air pollution and adverse impacts on people's health. Although studies have been conducted on the relationship between exposure to air pollutants and asthma exacerbation, most studies were performed in relatively heavily polluted areas, while little is known about the effect of air pollutants in less polluted areas. We assessed the effects of air pollutants on the risk of asthma-related outpatient and emergency visits of infants and children aged from 0 to 13 years during 2018 to 2020 in Fuzhou city, southeast China. Data of six air pollutants: sulfur dioxide (SO2), nitrogen dioxides (NO2), carbon monoxide (CO), daily maximum 8-h average ozone (O3-8 h), particulate matter with an aerodynamic diameter ≤ 10 μm (PM10), and particulate matter with an aerodynamic diameter ≤ 2.5 μm (PM2.5), were obtained from the Environmental Protection Administration of Fuzhou. Data of temperature, humidity, and wind speed were provided by the Meteorological Bureau of Fuzhou. Results revealed that on lag day 6, NO2, SO2, and CO were positively associated with the number of outpatient and emergency visits. Among the pollutants, SO2 had the highest effects on both outpatient visits (RR = 1.672, 95%CI 1.545, 1.809) and emergency visits (RR = 1.495, 95%CI 1.241, 1.800), and its effect on outpatient visits was stronger in children aged 0-4 years than in those aged 5-13 years (RR = 2.331 vs. 1.439). In conclusion, SO2 contributes substantially to the adverse effects of air pollutants on pediatric respiratory health in Fuzhou. Younger children were more affected by air pollution than their older counterparts.
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