Association between atmospheric pollution and diseases of the circulatory system using estimated data, in the city of Taubaté -SP, Brazil / Associação entre poluição atmosférica e doenças do sistema circulatório utilizando dados estimados, na cidade de Taubaté -SP, Brasil

Paola Cristina Ribeiro, Luiz Fernando Costa Nascimento


High rates of pollutants are emitted daily into the atmosphere due to urban development, while thousands of dollars are spent on hospital stays in major cities. Effects of exposure to air pollution in hospitalizations for diseases of the circulatory system are known, thus becoming a risk factor for the health of the population. The cost of these hospitalizations in a medium-sized city in Brazil generated an estimated expenditure of US $ 1.3 million in 2015. An ecological time-series study conducted in the city of Taubaté, state of São Paulo, performed with PM 2.5 [47μg / m3] and carbon monoxide concentrations (CO) [197 ppb] obtained from CPTEC-INPE, as well as data from daily hospitalizations, records obtained from Brazilian Ministry of Health site; these records were categorized by sex [774]. Statistical analysis uses a generalized linear model of Poisson Regression, with a lag of up to 7 days [lag0 to lag7]. In the multi-pollutant analysis, exposure to pollutant CO had a significant and positive association in lag7 for male sex and to PM2.5 in lag2, lag3 and lag4 for male and in lag 6 for female; 10 μg/m3 increase on PM2.5 concentrations increases 7% in hospitalizations risk and implies an approximate excess of costs of US $ 93.3 thousand/year. All these data highlight the importance of the study of concentrations of air pollutants in the big cities, paying attention to the emission control in the atmosphere.


circulatory system diseases; air pollution; fine particulate material; carbon monoxide; ecological study.


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