Effect of air pollution on pediatric respiratory emergency room visits and hospital admissions

Effect of air pollution on pediatric respiratory emergency room visits and hospital admissions

Author Farhat, SCL Google Scholar
Paulo, RLP Google Scholar
Shimoda, T. M. Google Scholar
Conceição, Gleice Margarete de Souza Autor UNIFESP Google Scholar
Lin, C. A. Google Scholar
Braga, Alfésio Luís Ferreira Autor UNIFESP Google Scholar
Warth, MPN Google Scholar
Saldiva, Paulo Hilário Nascimento Autor UNIFESP Google Scholar
Institution Universidade de São Paulo (USP)
Universidade Federal de São Paulo (UNIFESP)
Univ Santo Amaro
Abstract In order to assess the effect of air pollution on pediatric respiratory morbidity, we carried out a time series study using daily levels of PM10, SO2, NO2, ozone, and CO and daily numbers of pediatric respiratory emergency room visits and hospital admissions at the Children's Institute of the University of Sao Paulo Medical School, from August 1996 to August 1997. In this period there were 43,635 hospital emergency room visits, 4534 of which were due to lower respiratory tract disease. The total number of hospital admissions was 6785, 1021 of which were due to lower respiratory tract infectious and/or obstructive diseases. The three health end-points under investigation were the daily number of emergency room visits due to lower respiratory tract diseases, hospital admissions due to pneumonia, and hospital admissions due to asthma or bronchiolitis. Generalized additive Poisson regression models were fitted, controlling for smooth functions of time, temperature and humidity, and an indicator of weekdays. NO2 was positively associated with all outcomes. Interquartile range increases (65.04 mug/m(3)) in NO2 moving averages were associated with an 18.4% increase (95% confidence interval, 95% CI = 12.5-24.3) in emergency room visits due to lower respiratory tract diseases (4-day moving average), a 17.6% increase (95% CI = 3.3-32.7) in hospital admissions due to pneumonia or bronchopneumonia (3-day moving average), and a 31.4% increase (95% CI = 7.2-55.7) in hospital admissions due to asthma or bronchiolitis (2-day moving average). The study showed that air pollution considerably affects children's respiratory morbidity, deserving attention from the health authorities.
Keywords time-series
poisson
air pollution
cshildren
respiratory morbidity
Language English
Date 2005-02-01
Published in Brazilian Journal Of Medical And Biological Research. Sao Paulo: Assoc Bras Divulg Cientifica, v. 38, n. 2, p. 227-235, 2005.
ISSN 0100-879X (Sherpa/Romeo, impact factor)
Publisher Assoc Bras Divulg Cientifica
Extent 227-235
Origin http://dx.doi.org/10.1590/S0100-879X2005000200011
Access rights Open access Open Access
Type Article
Web of Science ID WOS:000227480900011
SciELO ID S0100-879X2005000200011 (statistics in SciELO)
URI http://repositorio.unifesp.br/11600/43129

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