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Risk of temperature, humidity and concentrations of air pollutants on the hospitalization of AECOPD.

ABSTRACT: AIM:To investigate the effect of temperature, humidity and the concentration of ambient air pollution on the hospitalization of AECOPD. METHOD:Hospitalization record was obtained from Shenyang Medical Insurance Bureau, concluding patient's age, gender, income hospital time, outcome hospital; Generalized additive model was used to analyze the relationship between temperature, humidity, the concentration of ambient air pollution and the hospitalization of AECOPD. RESULT:The effect of ozone on admission rate in male group was higher than that in female group. Ambient air pollution had a weak influence on age≤50 group. It was found that the optimal lag day for daily relative 40 humidity to age≤50 group, 5070 group was on lag5, lag4, lag4 and lag5, respectively. CONCLUSION:Air pollution, relative humidity and temperature can increase the risk of admission for acute exacerbation of COPD, and in this process there was a lag effect.

SUBMITTER: Chen C

PROVIDER: S-EPMC6879126 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Risk of temperature, humidity and concentrations of air pollutants on the hospitalization of AECOPD.

Chen Cai C Liu Xuejian X Wang Xianfeng X Li Wei W Qu Wenxiu W Dong Leilei L Li Xiyuan X Rui Zhiqing Z Yang Xueqing X

PloS one 20191126 11

<h4>Aim</h4>To investigate the effect of temperature, humidity and the concentration of ambient air pollution on the hospitalization of AECOPD.<h4>Method</h4>Hospitalization record was obtained from Shenyang Medical Insurance Bureau, concluding patient's age, gender, income hospital time, outcome hospital; Generalized additive model was used to analyze the relationship between temperature, humidity, the concentration of ambient air pollution and the hospitalization of AECOPD.<h4>Result</h4>The e ...[more]

PMID: 31770406

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Project description:BackgroundEstimating the long-term health impact of air pollution in a spatio-temporal ecological study requires representative concentrations of air pollutants to be constructed for each geographical unit and time period. Averaging concentrations in space and time is commonly carried out, but little is known about how robust the estimated health effects are to different aggregation functions. A second under researched question is what impact air pollution is likely to have in the future.MethodsWe conducted a study for England between 2007 and 2011, investigating the relationship between respiratory hospital admissions and different pollutants: nitrogen dioxide (NO2); ozone (O3); particulate matter, the latter including particles with an aerodynamic diameter less than 2.5 micrometers (PM2.5), and less than 10 micrometers (PM10); and sulphur dioxide (SO2). Bayesian Poisson regression models accounting for localised spatio-temporal autocorrelation were used to estimate the relative risks (RRs) of pollution on disease risk, and for each pollutant four representative concentrations were constructed using combinations of spatial and temporal averages and maximums. The estimated RRs were then used to make projections of the numbers of likely respiratory hospital admissions in the 2050s attributable to air pollution, based on emission projections from a number of Representative Concentration Pathways (RCP).ResultsNO2 exhibited the largest association with respiratory hospital admissions out of the pollutants considered, with estimated increased risks of between 0.9 and 1.6% for a one standard deviation increase in concentrations. In the future the projected numbers of respiratory hospital admissions attributable to NO2 in the 2050s are lower than present day rates under 3 Representative Concentration Pathways (RCPs): 2.6, 6.0, and 8.5, which is due to projected reductions in future NO2 emissions and concentrations.ConclusionsNO2 concentrations exhibit consistent substantial present-day health effects regardless of how a representative concentration is constructed in space and time. Thus as concentrations are predicted to remain above limits set by European Union Legislation until the 2030s in parts of urban England, it will remain a substantial health risk for some time.

Dataset Information

Risk of temperature, humidity and concentrations of air pollutants on the hospitalization of AECOPD.

Publications

Risk of temperature, humidity and concentrations of air pollutants on the hospitalization of AECOPD.

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