Long-term Neurotoxic Effects of Early-life Exposure to Tetrachloroethylene-contaminated Drinking Water

Background: Tetrachloroethene (PCE) is a common environmental and occupational contaminant and an acknowledged neurotoxicant. From 1968 through 1983, widespread contamination of public <a title="Learn more about Drinking Water Supply" href="https://www.sciencedirect.com/topics/medi...

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Autores principales:	Ann Aschengrau, Patricia A. Janulewicz, Roberta F. White, Veronica M. Vieira, Lisa G. Gallagher, Kelly D. Getz, Thomas F. Webster, David M. Ozonoff
Formato:	article
Lenguaje:	EN
Publicado:	Ubiquity Press 2016
Materias:	brain drinking water tetrachloroethylene vulnerable populations Infectious and parasitic diseases RC109-216 Public aspects of medicine RA1-1270
Acceso en línea:	https://doaj.org/article/551a1c162bbf47c7a29f9d51a3e5f30b
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id	oai:doaj.org-article:551a1c162bbf47c7a29f9d51a3e5f30b
record_format	dspace
institution	DOAJ
collection	DOAJ
language	EN
topic	brain drinking water tetrachloroethylene vulnerable populations Infectious and parasitic diseases RC109-216 Public aspects of medicine RA1-1270
spellingShingle	brain drinking water tetrachloroethylene vulnerable populations Infectious and parasitic diseases RC109-216 Public aspects of medicine RA1-1270 Ann Aschengrau Patricia A. Janulewicz Roberta F. White Veronica M. Vieira Lisa G. Gallagher Kelly D. Getz Thomas F. Webster David M. Ozonoff Long-term Neurotoxic Effects of Early-life Exposure to Tetrachloroethylene-contaminated Drinking Water
description	Background: Tetrachloroethene (PCE) is a common environmental and occupational contaminant and an acknowledged neurotoxicant. From 1968 through 1983, widespread contamination of public <a title="Learn more about Drinking Water Supply" href="https://www.sciencedirect.com/topics/medicine-and-dentistry/drinking-water-supply">drinking water supplies</a> with PCE occurred in the Cape Cod region of Massachusetts. The source of the contamination was a vinyl liner applied to the inner surface of <a title="Learn more about Water Distribution" href="https://www.sciencedirect.com/topics/medicine-and-dentistry/water-distribution">water distribution</a>pipes. Objectives: A <a title="Learn more about Retrospective cohort study" href="https://www.sciencedirect.com/topics/medicine-and-dentistry/retrospective-cohort-study">retrospective cohort study</a> (the Cape Cod Health Study) was undertaken to examine possible health consequences of early-life exposure to PCE-contaminated drinking water. This review describes the study methods and findings regarding the effects of prenatal and childhood exposure on neurologic outcomes during early adulthood, including vision, neuropsychological functioning, brain structure, risky behaviors, and mental illness. The review also describes the strengths and challenges of conducting population-based epidemiologic research in this unique setting. Methods: Participants were identified by cross-matching <a title="Learn more about Birth Certificates" href="https://www.sciencedirect.com/topics/medicine-and-dentistry/birth-certificates">birth certificates</a> and water system data. Information on health outcomes and confounding variables was collected from self-administered surveys (n = 1689), neuropsychological tests (n = 63), vision examinations (n = 63), and <a title="Learn more about Magnetic resonance imaging" href="https://www.sciencedirect.com/topics/medicine-and-dentistry/magnetic-resonance-imaging">magnetic resonance imaging</a> (n = 42). Early-life exposure to PCE was estimated using a leaching and transport model. The data analysis compared the occurrence of each health outcome among individuals with prenatal and early childhood PCE exposure to unexposed individuals while considering the effect of confounding variables. Findings: The study found evidence that early-life exposure to PCE-contaminated drinking water has long-term neurotoxic effects. The strongest associations were seen with illicit drug use, <a title="Learn more about Bipolar Disorder" href="https://www.sciencedirect.com/topics/medicine-and-dentistry/bipolar-disorder">bipolar disorder</a>, and post-traumatic stress disorder. Key strengths of the study were availability of historical data on affected water systems, a relatively high exposure prevalence and wide range of exposure levels, and little confounding. Challenges arose mainly from the historical nature of the <a title="Learn more about Exposure Assessment" href="https://www.sciencedirect.com/topics/medicine-and-dentistry/exposure-assessment">exposure assessments</a>. Conclusions: The Cape Cod Health Study demonstrates how scientists can take advantage of unique “natural experiments” to learn about the health effects of environmental pollution. This body of work has improved our understanding of the long-term health effects of early-life exposure to this common environmental contaminant and will help risk assessors and policymakers ensure that drinking water supplies in the United States are safe for <a title="Learn more about Vulnerable Populations" href="https://www.sciencedirect.com/topics/medicine-and-dentistry/vulnerable-populations">vulnerable populations</a>.
format	article
author	Ann Aschengrau Patricia A. Janulewicz Roberta F. White Veronica M. Vieira Lisa G. Gallagher Kelly D. Getz Thomas F. Webster David M. Ozonoff
author_facet	Ann Aschengrau Patricia A. Janulewicz Roberta F. White Veronica M. Vieira Lisa G. Gallagher Kelly D. Getz Thomas F. Webster David M. Ozonoff
author_sort	Ann Aschengrau
title	Long-term Neurotoxic Effects of Early-life Exposure to Tetrachloroethylene-contaminated Drinking Water
title_short	Long-term Neurotoxic Effects of Early-life Exposure to Tetrachloroethylene-contaminated Drinking Water
title_full	Long-term Neurotoxic Effects of Early-life Exposure to Tetrachloroethylene-contaminated Drinking Water
title_fullStr	Long-term Neurotoxic Effects of Early-life Exposure to Tetrachloroethylene-contaminated Drinking Water
title_full_unstemmed	Long-term Neurotoxic Effects of Early-life Exposure to Tetrachloroethylene-contaminated Drinking Water
title_sort	long-term neurotoxic effects of early-life exposure to tetrachloroethylene-contaminated drinking water
publisher	Ubiquity Press
publishDate	2016
url	https://doaj.org/article/551a1c162bbf47c7a29f9d51a3e5f30b
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spelling	oai:doaj.org-article:551a1c162bbf47c7a29f9d51a3e5f30b2021-12-02T08:52:31ZLong-term Neurotoxic Effects of Early-life Exposure to Tetrachloroethylene-contaminated Drinking Water2214-999610.1016/j.aogh.2016.01.013https://doaj.org/article/551a1c162bbf47c7a29f9d51a3e5f30b2016-06-01T00:00:00Zhttps://annalsofglobalhealth.org/articles/1174https://doaj.org/toc/2214-9996Background: Tetrachloroethene (PCE) is a common environmental and occupational contaminant and an acknowledged neurotoxicant. From 1968 through 1983, widespread contamination of public <a title="Learn more about Drinking Water Supply" href="https://www.sciencedirect.com/topics/medicine-and-dentistry/drinking-water-supply">drinking water supplies</a> with PCE occurred in the Cape Cod region of Massachusetts. The source of the contamination was a vinyl liner applied to the inner surface of <a title="Learn more about Water Distribution" href="https://www.sciencedirect.com/topics/medicine-and-dentistry/water-distribution">water distribution</a>pipes. Objectives: A <a title="Learn more about Retrospective cohort study" href="https://www.sciencedirect.com/topics/medicine-and-dentistry/retrospective-cohort-study">retrospective cohort study</a> (the Cape Cod Health Study) was undertaken to examine possible health consequences of early-life exposure to PCE-contaminated drinking water. This review describes the study methods and findings regarding the effects of prenatal and childhood exposure on neurologic outcomes during early adulthood, including vision, neuropsychological functioning, brain structure, risky behaviors, and mental illness. The review also describes the strengths and challenges of conducting population-based epidemiologic research in this unique setting. Methods: Participants were identified by cross-matching <a title="Learn more about Birth Certificates" href="https://www.sciencedirect.com/topics/medicine-and-dentistry/birth-certificates">birth certificates</a> and water system data. Information on health outcomes and confounding variables was collected from self-administered surveys (n = 1689), neuropsychological tests (n = 63), vision examinations (n = 63), and <a title="Learn more about Magnetic resonance imaging" href="https://www.sciencedirect.com/topics/medicine-and-dentistry/magnetic-resonance-imaging">magnetic resonance imaging</a> (n = 42). Early-life exposure to PCE was estimated using a leaching and transport model. The data analysis compared the occurrence of each health outcome among individuals with prenatal and early childhood PCE exposure to unexposed individuals while considering the effect of confounding variables. Findings: The study found evidence that early-life exposure to PCE-contaminated drinking water has long-term neurotoxic effects. The strongest associations were seen with illicit drug use, <a title="Learn more about Bipolar Disorder" href="https://www.sciencedirect.com/topics/medicine-and-dentistry/bipolar-disorder">bipolar disorder</a>, and post-traumatic stress disorder. Key strengths of the study were availability of historical data on affected water systems, a relatively high exposure prevalence and wide range of exposure levels, and little confounding. Challenges arose mainly from the historical nature of the <a title="Learn more about Exposure Assessment" href="https://www.sciencedirect.com/topics/medicine-and-dentistry/exposure-assessment">exposure assessments</a>. Conclusions: The Cape Cod Health Study demonstrates how scientists can take advantage of unique “natural experiments” to learn about the health effects of environmental pollution. This body of work has improved our understanding of the long-term health effects of early-life exposure to this common environmental contaminant and will help risk assessors and policymakers ensure that drinking water supplies in the United States are safe for <a title="Learn more about Vulnerable Populations" href="https://www.sciencedirect.com/topics/medicine-and-dentistry/vulnerable-populations">vulnerable populations</a>.Ann AschengrauPatricia A. JanulewiczRoberta F. WhiteVeronica M. VieiraLisa G. GallagherKelly D. GetzThomas F. WebsterDavid M. OzonoffUbiquity Pressarticlebraindrinking watertetrachloroethylenevulnerable populationsInfectious and parasitic diseasesRC109-216Public aspects of medicineRA1-1270ENAnnals of Global Health, Vol 82, Iss 1, Pp 169-179 (2016)

Long-term Neurotoxic Effects of Early-life Exposure to Tetrachloroethylene-contaminated Drinking Water

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