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Economic evaluation of health consequences of prenatal methylmercury exposure in France.
Auteur(s) : Pichery, Céline Bellanger, Martine Zmirou-Navier, Denis Fréry, Nadine Cordier, Sylvaine Roue-LeGall, Anne Hartemann, Philippe Grandjean, Philippe
Auteurs secondaires : École des Hautes Études en Santé Publique [EHESP] (EHESP) Institut de recherche, santé, environnement et travail [Rennes] (Irset) ; Université d'Angers (UA) - Université des Antilles et de la Guyane (UAG) - Université de Rennes 1 (UR1) - École des Hautes Études en Santé Publique [EHESP] (EHESP) - Institut National de la Santé et de la Recherche Médicale (INSERM) - Structure Fédérative de Recherche en Biologie et Santé de Rennes ( Biosit : Biologie - Santé - Innovation Technologique ) Département santé environnement ; Institut de Veille Sanitaire Service de Santé Publique ; Centre Hospitalier Régional Universitaire de Nancy (CHRU Nancy) Nutrition-Génétique et Exposition aux Risques Environnementaux (NGERE) ; Institut National de la Santé et de la Recherche Médicale (INSERM) - Université de Lorraine (UL) Institute of Public Health ; UNIVERSITY OF SOUTHERN DENMARK Department of Environmental Health ; Harvard School of Public Health

Éditeur(s) : HAL CCSD BioMed Central
Résumé : International audience
UNLABELLED: ABSTRACT: BACKGROUND: Evidence of a dose-response relationship between prenatal exposure to methylmercury (MeHg) and neurodevelopmental consequences in terms of IQ reduction, makes it possible to evaluate the economic consequences of MeHg exposures. OBJECTIVE: To perform an economic evaluation of annual national benefits of reduction of the prenatal MeHg exposure in France. METHODS: We used data on hair-Hg concentrations in French women of childbearing age (18-45 years) from a national sample of 126 women and from two studies conducted in coastal regions (n = 161and n = 503). A linear dose response function with a slope of 0.465 IQ point reduction per μg/g increase in hair-Hg concentration was used, along with a log transformation of the exposure scale, where a doubling of exposure was associated with a loss of 1.5 IQ points. The costs calculations utilized an updated estimate of €2008 17,363 per IQ point decrement, with three hypothetical exposure cut-off points (hair-Hg of 0.58, 1.0, and 2.5 μg/g). RESULTS: Because of higher exposure levels of women in coastal communities, the annual economic impacts based on these data were greater than those using the national data, i.e. € 1.62 billion (national), and € 3.02 billion and € 2.51 billion (regional), respectively, with the linear model, and € 5.46 billion (national), and € 9.13 billion and € 8.17 billion (regional), with the log model, for exposures above 0.58 μg/g. CONCLUSIONS: These results emphasize that efforts to reduce MeHg exposures would have high social benefits by preventing the serious and lifelong consequences of neurodevelopmental deficits in children.
ISSN: 1476-069X

inserm-00769338
http://www.hal.inserm.fr/inserm-00769338
http://www.hal.inserm.fr/inserm-00769338/document
http://www.hal.inserm.fr/inserm-00769338/file/1476-069X-11-53.pdf
DOI : 10.1186/1476-069X-11-53

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