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High risk of respiratory diseases in children in the fire period in Western Amazon

OBJECTIVE: To analyze the toxicological risk of exposure to ozone (O(3)) and fine particulate matter (PM(2.5)) among schoolchildren.. METHODS: Toxicological risk assessment was used to evaluate the risk of exposure to O(3) and PM(2.5) from biomass burning among schoolchildren aged six to 14 years, r...

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Autores principales: Silva, Pãmela Rodrigues de Souza, Ignotti, Eliane, de Oliveira, Beatriz Fátima Alves, Junger, Washington Leite, Morais, Fernando, Artaxo, Paulo, Hacon, Sandra
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Faculdade de Saúde Pública da Universidade de São Paulo 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4902659/
https://www.ncbi.nlm.nih.gov/pubmed/27305405
http://dx.doi.org/10.1590/S1518-8787.2016050005667
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author Silva, Pãmela Rodrigues de Souza
Ignotti, Eliane
de Oliveira, Beatriz Fátima Alves
Junger, Washington Leite
Morais, Fernando
Artaxo, Paulo
Hacon, Sandra
author_facet Silva, Pãmela Rodrigues de Souza
Ignotti, Eliane
de Oliveira, Beatriz Fátima Alves
Junger, Washington Leite
Morais, Fernando
Artaxo, Paulo
Hacon, Sandra
author_sort Silva, Pãmela Rodrigues de Souza
collection PubMed
description OBJECTIVE: To analyze the toxicological risk of exposure to ozone (O(3)) and fine particulate matter (PM(2.5)) among schoolchildren.. METHODS: Toxicological risk assessment was used to evaluate the risk of exposure to O(3) and PM(2.5) from biomass burning among schoolchildren aged six to 14 years, residents of Rio Branco, Acre, Southern Amazon, Brazil. We used Monte Carlo simulation to estimate the potential intake dose of both pollutants. RESULTS: During the slash-and-burn periods, O(3) and PM(2.5) concentrations reached 119.4 µg/m(3) and 51.1 µg/m(3), respectively. The schoolchildren incorporated medium potential doses regarding exposure to O(3) (2.83 μg/kg.day, 95%CI 2.72–2.94). For exposure to PM(2.5), we did not find toxicological risk (0.93 μg/kg.day, 95%CI 0.86–0.99). The toxicological risk for exposure to O(3) was greater than 1 for all children (QR = 2.75; 95%CI 2.64–2.86). CONCLUSIONS: Schoolchildren were exposed to high doses of O(3) during the dry season of the region. This posed a toxicological risk, especially to those who had previous diseases.
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spelling pubmed-49026592016-06-21 High risk of respiratory diseases in children in the fire period in Western Amazon Silva, Pãmela Rodrigues de Souza Ignotti, Eliane de Oliveira, Beatriz Fátima Alves Junger, Washington Leite Morais, Fernando Artaxo, Paulo Hacon, Sandra Rev Saude Publica Original Article OBJECTIVE: To analyze the toxicological risk of exposure to ozone (O(3)) and fine particulate matter (PM(2.5)) among schoolchildren.. METHODS: Toxicological risk assessment was used to evaluate the risk of exposure to O(3) and PM(2.5) from biomass burning among schoolchildren aged six to 14 years, residents of Rio Branco, Acre, Southern Amazon, Brazil. We used Monte Carlo simulation to estimate the potential intake dose of both pollutants. RESULTS: During the slash-and-burn periods, O(3) and PM(2.5) concentrations reached 119.4 µg/m(3) and 51.1 µg/m(3), respectively. The schoolchildren incorporated medium potential doses regarding exposure to O(3) (2.83 μg/kg.day, 95%CI 2.72–2.94). For exposure to PM(2.5), we did not find toxicological risk (0.93 μg/kg.day, 95%CI 0.86–0.99). The toxicological risk for exposure to O(3) was greater than 1 for all children (QR = 2.75; 95%CI 2.64–2.86). CONCLUSIONS: Schoolchildren were exposed to high doses of O(3) during the dry season of the region. This posed a toxicological risk, especially to those who had previous diseases. Faculdade de Saúde Pública da Universidade de São Paulo 2016-05-31 /pmc/articles/PMC4902659/ /pubmed/27305405 http://dx.doi.org/10.1590/S1518-8787.2016050005667 Text en http://creativecommons.org/licenses/by/4.0/ This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Article
Silva, Pãmela Rodrigues de Souza
Ignotti, Eliane
de Oliveira, Beatriz Fátima Alves
Junger, Washington Leite
Morais, Fernando
Artaxo, Paulo
Hacon, Sandra
High risk of respiratory diseases in children in the fire period in Western Amazon
title High risk of respiratory diseases in children in the fire period in Western Amazon
title_full High risk of respiratory diseases in children in the fire period in Western Amazon
title_fullStr High risk of respiratory diseases in children in the fire period in Western Amazon
title_full_unstemmed High risk of respiratory diseases in children in the fire period in Western Amazon
title_short High risk of respiratory diseases in children in the fire period in Western Amazon
title_sort high risk of respiratory diseases in children in the fire period in western amazon
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4902659/
https://www.ncbi.nlm.nih.gov/pubmed/27305405
http://dx.doi.org/10.1590/S1518-8787.2016050005667
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