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Blood lead levels in children in Jamaican basic schools
S Bryan1, G C Lalor, M Vutchkov
1International Centre for Environmental and Nuclear Sciences, University of the West Indies, Kingston 7, Jamaica, West Indies.
The West Indian Medical Journal
|June 18, 2004
Summary
Blood lead levels (BLL) in children have improved, with most below the accepted limit. Remediation efforts in polluted areas show effectiveness, with ongoing interventions for elevated BLL cases.
Area of Science:
- Environmental Health
- Pediatric Toxicology
Background:
- Anthropogenic pollution poses risks to children's health.
- Monitoring blood lead levels (BLL) is crucial for assessing exposure.
- Previous remediation efforts were implemented in contaminated areas.
Purpose of the Study:
- To report current blood lead levels (BLL) in children aged three to six.
- To evaluate the effectiveness of prior remediation strategies.
- To identify children requiring further intervention for elevated BLL.
Main Methods:
- Blood samples collected via finger-prick from 285 children.
- Lead analysis performed using anodic stripping voltammetry.
- Children recruited from urban, rural, and polluted sites.
Main Results:
- The majority of children exhibited BLL below 10 micrograms/dL.
- No medical emergencies due to BLL were identified.
- Significant improvement in BLL observed in children from contaminated sites.
Conclusions:
- Previous remediation actions have been effective in reducing BLL.
- Continued monitoring and intervention are necessary for children with BLL exceeding recommended limits.
- Environmental health strategies are vital for protecting children from lead exposure.