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Título: Spatial trends in congenital malformations and stream water chemistry in Southern Brazil
Autor: IBANEZ, Humberto C.MELANDA, Viviane S.GERBER, Viviane K. Q.LICHT, Otavio A. B.IBANEZ, Marilea V. C.AGUIAR JUNIOR, Terencio R.MELLO, Rosiane G.KOMECHEN, HeloisaANDRADE, Diancarlos P.PICHARSKI, Gledson L.FIGUEIREDO, Damasio P. G.PIANOVSKI, Mara A. D.FIGUEIREDO, Mirna M. O.CUSTODIO, GislainePARISE, Ivy Z. S.CASTILHO, Laura M.PARAIZO, Mariana M.EDINGER, ChloeFIORI, Carmem M. C. M.PEDRINI, HelioKIESEL FILHO, NiltonFABRO, Ana Luiza M. R.FACHIN, Rayssa D.OGRADOWSKI, Karin R. P.PARISE, Guilherme A.SALDIVA, Paulo H. N.LEGAL, Edith F.ROSATI, RobertoRODRIGUEZ-GALINDO, CarlosRIBEIRO, Raul C.ZAMBETTI, Gerard P.LALLI, EnzoFIGUEIREDO, Bonald C.
Citación: SCIENCE OF THE TOTAL ENVIRONMENT, v.650, p.1278-1291, 2019
Resumen: The incidence of variable congenital malformation (CM) among 399 municipalities in the state of Parana, southern Brazil, suggests the etiological role of environmental factors. This study examined a) environmental concentrations of chlorine anions (Cl-) associated with organochlorines (OCs) and b) associations between these chemicals and agricultural output with CMs using a geographical information system. In one of the three years during the sampling period (2008, 2009 or 2010) Cl-, dichlorodiphenyltrichloroethane (p,p'-DDT), dichlorodiphenyldichloroethylene (p, p'-DDE), dichlorodiphenyldichloroethane (p,p'-DDD), and endosulfan levels were measured in 465 (465/736, 63%) catchment basins. Agricultural outputs for crops during 2006-2010 were also evaluated (t/km(2)). Further, CM kernel density for the 399 municipalities in Parana during 2007-2014 was investigated. Cl- levels increased significantly in one of the three years (2008, 2009 or 2010) in western catchment basins, compared to 1996 (p < 0.0001). The municipalities were divided according to the obtained Cl- levels, where sub-region C2 (central-southern) < 1.8mg/L <= sub-regions C1 (northern-western) and C3 (eastern-southern). We identified 8756 cases of CMs among 1,221,287 newborns (NB) in all sub-regions. C1 had higher DDT-DDE-DDD (p,p'-DDT + p,p'-DDE + p,p'-DDD) concentrations, agricultural output, and CM kernel density. C2 and C3 had minor agricultural outputs (per square kilometer) and CM densities. A 2.96 mg/L increase in Cl- between sub-regions C1 and C2 was co-localized with a 45% increase in CM density (spatial relative risk = 1.45, CI 95%: 1.36-1.55). C1 had the highest log likelihood ratios (p = 0.001) identified via SaTScan clustering analyses. Organochlorines and other toxic chlorinated chemicals may contribute to CMs in humans, and these chemicals are ultimately transformed and release Cl- in rivers. Higher Cl- levels were correlated significantly with higher agricultural productivity, DDT-DDE-DDD levels, and CMs in some parts of the northern and western sub-regions (C1). (C) 2018 Published by Elsevier B.V.
Aparece en las colecciones:

Artigos e Materiais de Revistas Científicas - FM/MPT
Departamento de Patologia - FM/MPT

Artigos e Materiais de Revistas Científicas - HC/InCor
Instituto do Coração - HC/InCor

Artigos e Materiais de Revistas Científicas - LIM/05
LIM/05 - Laboratório de Poluição Atmosférica Experimental

Artigos e Materiais de Revistas Científicas - ODS/02
ODS/02 - Fome zero e agricultura sustentável

Artigos e Materiais de Revistas Científicas - ODS/08
ODS/08 - Trabalho decente e crescimento econômico

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