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Lead poisoning in children

C M Berlin1

  • 1Department of Pediatrics, Milton S. Hershey Medical Center, Pannsylvania State University College of Medicine, Harshey 17033-0850, USA.

Current Opinion in Pediatrics
|April 1, 1997
PubMed
Summary
This summary is machine-generated.

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Pediatric lead exposure is a persistent issue. Meso 2,3-dimercaptosuccinic acid (DMSA) shows promise for lowering blood lead levels in children, though environmental cleanup remains crucial.

Area of Science:

  • Environmental Health
  • Pediatric Toxicology
  • Public Health

Background:

  • Childhood lead exposure and body burden remain significant public health concerns in the U.S.
  • Widespread blood lead screening identifies many at-risk children, but screening criteria and age targets are debated.
  • Lead screening has been less effective in certain populations, including rural areas and HMOs.

Purpose of the Study:

  • To evaluate the effectiveness of meso 2,3-dimercaptosuccinic acid (DMSA) for treating lead exposure in children.
  • To assess the efficacy of DMSA in lowering blood lead concentrations within specific ranges.
  • To highlight the ongoing importance of environmental lead reduction strategies.

Main Methods:

  • Review of evidence on DMSA efficacy for lead chelation in children.

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  • Analysis of blood lead concentration data in relation to DMSA treatment.
  • Consideration of current treatment guidelines and limitations.

    • Main Results:

    • DMSA is approved for oral chelation in children with blood lead levels above 45 µg/dL.
    • Evidence suggests DMSA effectively lowers blood lead levels in children with concentrations between 25 and 45 µg/dL.
    • The long-term effectiveness of chelation at lower lead levels requires further investigation.

    Conclusions:

    • Meso 2,3-dimercaptosuccinic acid (DMSA) offers a treatment option for children with elevated lead levels.
    • Environmental decontamination remains the primary and most critical intervention for preventing and treating childhood lead exposure.
    • Further research is needed to determine the long-term benefits of DMSA chelation at lower blood lead concentrations.