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Blood lead and erythrocyte protoporphyrin levels in Kazakhstan

B Kaul1, J O Rasmuson, R L Olsen

  • 1Kaulson Laboratories, Inc. West Caldwell, NJ 07006, USA.

Indian Journal of Pediatrics
|June 1, 2000
PubMed

Insights

This pilot study in Kazakhstan found significant lead exposure and high iron deficiency rates in young children. Targeted monitoring and iron supplementation are recommended, alongside environmental education to reduce lead levels.

Area of Science:

  • Environmental Health
  • Pediatric Nutrition
  • Toxicology

Background:

  • Lead exposure and iron deficiency are critical public health concerns in children.
  • Kazakhstan faces challenges with environmental contaminants affecting child health.

Purpose of the Study:

  • To assess lead exposure and iron deficiency prevalence in children aged 6 months to 7 years in three major Kazakh cities.
  • To identify age-specific risks and inform public health interventions.

Main Methods:

  • Pilot study involving 475 children.
  • Measurement of blood lead (B-Pb) and erythrocyte protoporphyrin (ZnPP) levels.
  • Assessment of iron deficiency prevalence across different age groups.

Main Results:

  • Mean B-Pb levels ranged from 4-7 µg/dL, with some sites showing low-level lead poisoning.
  • Elevated B-Pb (>10 µg/dL) was more common in 1-4 year olds (18-27%) than older children (3-7%).
  • Iron deficiency prevalence was high (28-86%) in 6 months to 4 year olds, but low (4%) in 5-6 year olds.

Conclusions:

  • Targeted B-Pb and ZnPP monitoring is essential in these cities.
  • Iron supplementation programs are crucial for young children.
  • Environmental education showed a positive impact on reducing B-Pb and should be expanded nationwide.

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