MSF Field Research > 1 Published Research and Commentary > Environmental Health > Outbreak of Fatal Childhood Lead Poisoning Related to Artisanal Gold Mining in Northwestern Nigeria, 2010.

Please use this identifier to cite or link to this item: http://hdl.handle.net/10144/220352
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Title: Outbreak of Fatal Childhood Lead Poisoning Related to Artisanal Gold Mining in Northwestern Nigeria, 2010.
Authors: Dooyema, Carrie A
Neri, Antonio
Lo, Yi-Chun
Durant, James
Dargan, Paul I
Swarthout, Todd
Biya, Oladayo
Gidado, Saheed O
Haladu, Suleiman
Sani-Gwarzo, Nasir
Nguku, Patrick M
Akpan, Henry
Idris, Sa'ad
Bashir, Abdullahi M
Brown, Mary Jean
Affiliation: Centers for Disease Control and Prevention (CDC), National Center for Environmental, Healthy Homes and Lead Poisoning Prevention Branch, Atlanta, Georgia, USA; CDC, Epidemic Intelligence Service Atlanta, Georgia, USA; Agency for Toxic Substances and Disease Registry Atlanta, Georgia, USA; Guy’s and St. Thomas’ NHS Foundation Trust and King’s Health Partners, London, UK; Médecins Sans Frontières, Amsterdam, Netherlands; Nigerian Field Epidemiology and Laboratory Training Program, Abuja, Nigeria; CDC, Abuja, Nigeria; Nigerian Federal Ministry of Health, Abuja, Nigeria; Zamfara State Ministry of Health, Gusau, Nigeria
Citation: Environ Health Perspect 2011; Published ahead of print
Publisher: National Institute of Environmental Health Sciences
Journal: Environmental Health Perspectives
Issue Date: 20-Dec-2011
URI: http://hdl.handle.net/10144/220352
DOI: 10.1289/ehp.1103965
PubMed ID: 22186192
Additional Links: http://ehp03.niehs.nih.gov/article/info:doi/10.1289/ehp.1103965
Abstract: Background: In May 2010, a team of national and international organizations was assembled to investigate children's deaths due to lead poisoning in villages in northwestern Nigeria. Objectives: To determine the cause of the childhood lead poisoning outbreak, investigate risk factors for child mortality, and identify children aged <5 years in need of emergency chelation therapy for lead poisoning. Methods: We administered a cross-sectional, door-to-door questionnaire in two affected villages, collected blood from children aged 2-59 months, and soil samples from family compounds. Descriptive and bivariate analyses were performed with survey, blood-lead, and environmental data. Multivariate logistic regression techniques were used to determine risk factors for childhood mortality. Results: We surveyed 119 family compounds. One hundred eighteen of 463 (25%) children aged <5 years had died in the last year. We tested 59% (204/345) of children, aged <5 years, and all were lead poisoned (≥10 µg/dL); 97% (198/204) of children had blood-lead levels ≥45 µg/dL, the threshold for initiating chelation therapy. Gold ore was processed inside two-thirds of the family compounds surveyed. In multivariate modeling significant risk factors for death in the previous year from suspected lead poisoning included: the child's age, the mother performing ore-processing activities, community well as primary water source, and the soil-lead concentration in the compound. Conclusion: The high levels of environmental contamination, percentage of children aged <5 years with elevated blood-lead levels (97%, >45 µg/dL), and incidence of convulsions among children prior to death (82%) suggest that most of the recent childhood deaths in the two surveyed villages were caused by acute lead poisoning from gold ore-processing activities. Control measures included environmental remediation, chelation therapy, public health education, and control of mining activities.
Type: Article
Language: en
MeSH: Lead poisoning
Pediatrics
ISSN: 1552-9924
Rights: Published by National Institute of Environmental Health Sciences Archived on this site by Open Access permission
Appears in topics: Environmental Health

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