Related Experiment Video
Updated: Jul 18, 2026
A Point-of-Care Method with Integrated Decision Support Tool to Estimate Anemia at Population Level
Published on: January 19, 2024
Case management protocol and declining blood lead concentrations among children
Nedra S Whitehead1, Richard Leiker
1Research Triangle Institute International, Social and Statistical Sciences, 2951 Flowers Rd, Suite 119, Atlanta, GA 30341, USA. nwhitehead@rti.org
Insights
Childhood lead prevention programs are most effective when they include home visits and lead source investigations. These interventions significantly reduce elevated blood lead levels in young children.
Area of Science:
- Pediatric Environmental Health
- Public Health Interventions
- Toxicology
Background:
- Elevated blood lead concentrations in children under 6 are a public health concern, with levels of 10 microg/dL or higher requiring attention.
- Understanding the impact of case management protocols on blood lead level reduction is crucial for effective childhood lead poisoning prevention.
Purpose of the Study:
- To assess blood lead concentration changes in young children with initial levels of 10-19 microg/dL.
- To determine if case management protocols influence the magnitude of blood lead level decline.
Main Methods:
- Analysis of childhood blood lead surveillance data from 1994-1995 across six states.
- Inclusion of 2109 children aged 2 years or younger with initial venous blood lead concentrations of 10-19 microg/dL.
- Follow-up venous blood lead testing within 3 to 12 months to track changes.
Main Results:
- Overall blood lead concentrations slightly increased between initial and follow-up tests.
- Significant declines were observed: 1.96 microg/dL with home visits and 0.92 microg/dL with lead source investigations.
- The observed decline remained statistically significant after adjusting for the child's age.
Conclusions:
- Childhood lead poisoning prevention programs benefit from incorporating home visits into their protocols.
- Lead source investigations are a valuable component of effective lead poisoning prevention strategies.
- Focusing on these interventions can lead to significant reductions in children's blood lead levels.
Introduction:
Blood lead concentrations among children aged 6 years and younger become a concern at 10 microg/dL (0.48 micromol/L) or higher. The authors' objective was to determine whether initial blood lead concentrations of 10-19 microg/dL (0.48-0.96 micromol/L) declined among children aged 3 years and younger and whether the magnitude of decline was associated with the case management protocol of the state or local childhood lead poisoning prevention program.
Methods:
The authors analyzed childhood blood lead surveillance data from 1994 through 1995 and case management protocols from six states that reported the results of all blood lead tests. The study included 2109 children aged 2 years or younger who had a venous blood lead concentration of 10-19 microg/dL (0.48-0.96 micromol/L) and a follow-up venous blood lead test within 3 to 12 months.
Results:
Overall, blood lead concentrations increased by 0.25 microg/dL (0.01 micromol/L) between the time of the initial elevated blood lead test and the follow-up test, but concentrations declined by 1.96 microg/dL (0.09 micromol/L) among children covered by a case management protocol that included a home visit and by 0.92 microg/dL (0.04 micromol/L) among those covered by a protocol that included a lead source investigation. The decline remained significant after we adjusted for the child's age.
Conclusion:
These findings suggest that childhood lead prevention programs should consider focusing their efforts on home visits and lead source investigations.
Related Concept Videos
01:23Methods of Documentation V: CBE
In CBE, healthcare professionals establish predefined standards of practice that define what constitutes...
01:26Pharmacokinetics in Pediatric Patients: Drug Excretion
01:15Methods of Documentation VI: Case Management Model
For example, a patient with a chronic illness...