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São Paulo med. j ; São Paulo med. j;137(1): 60-65, Jan.-Feb. 2019. tab, graf
Artigo em Inglês | LILACS | ID: biblio-1004739

RESUMO

ABSTRACT BACKGROUND: Exposure to some air pollutants is associated with cardiovascular diseases. The objective of this study was to quantify the effect of exposure to fine particulate matter in hospitalizations due to ischemic heart disease and the costs to the healthcare system. DESIGN AND SETTING: Time-series ecological study conducted in Taubaté, Brazil. METHODS: Data on hospitalizations due to ischemic heart diseases (ICD I-20 to I-24) in the municipality of Taubaté (SP), Brazil, among adults of both sexes aged 40 years and over, from August 2011 to July 2012, were obtained from DATASUS. Fine particulate matter (PM2.5) concentrations were estimated from a mathematical model. Poisson regression was used in statistical analyses to estimate the relative risks of exposure to PM2.5 for both sexes and after stratification according to sex. The excess of hospitalizations and consequent excess expenditure for the healthcare system were calculated. RESULTS: There were 1040 admissions, among which 382 had ischemic heart diseases (257 males). Themean PM2.5 concentration was 13.2 µg/m3 (SD = 5.6). Significant effects from exposure were noted 4and 5 days after exposure (lag 4 and lag 5) for both sexes and for male sex; for female sex, the effect was 2 days after exposure (lag 2). There were 59 excess hospitalizations for an increase in PM2.5 concentration of 5 µg/m3 and excess expenditure of US$ 150,000 for the National Health System. CONCLUSIONS: An excess of hospital admissions due to ischemic heart disease, with excess expenditure, was identified consequent to PM2.5 exposure.


Assuntos
Humanos , Masculino , Feminino , Adulto , Isquemia Miocárdica/etiologia , Poluentes Atmosféricos/efeitos adversos , Material Particulado/efeitos adversos , Hospitalização/estatística & dados numéricos , Valores de Referência , Estações do Ano , Temperatura , Fatores de Tempo , Brasil/epidemiologia , Distribuição de Poisson , Fatores Sexuais , Fatores de Risco , Isquemia Miocárdica/epidemiologia , Distribuição por Sexo , Medição de Risco , Exposição por Inalação/efeitos adversos , Poluição do Ar/efeitos adversos , Umidade
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