Atmospheric pollutants and perinatal mortality in the city of São Luís (MA): an aggregate study / Poluentes atmosféricos e mortalidade perinatal no município de São Luís (MA): um estudo agregado

Beatriz Fernanda Santos da Silva, Rômulo Cesar Rezzo Pires, Sandra de Melo Martins dos Santos, Thaís Silva dos Reis

Resumo


The present study has analyzed the correlation between the exposure to air pollutants during gestation and the occurrence of perinatal death, from 2009 to 2013, in the city of São Luís, Maranhão. A retrospective ecological study was carried out with data reported in the Mortality Information System (SIM) and daily measurements of particulate matter with a diameter of less than 10 microns (PM10) and total suspended particles (PTS). Spearman's non-parametric correlation coefficient was used with a significance level of 5%. There was a significant positive correlation between the concentration of PM10 and perinatal deaths, as well as between the concentration of PM10 and the perinatal mortality coefficient. In addition, the concentration of PM10 and the number of live births were also correlated. There was a non-significant negative correlation with PTS. The results presented indirectly suggest that pregnancy exposure to certain types of air pollutants may be associated with perinatal mortality. Although the strength of association was medium rather than individual, consistent literature and biological plausibility may be important for interpreting the results described.


Palavras-chave


Perinatal deaths; Atmospheric pollutants; Aggregate study.

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Referências


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