Blood lead levels in children with encephalopathy

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A Piglet Model of Neonatal Hypoxic-Ischemic Encephalopathy
10:30

A Piglet Model of Neonatal Hypoxic-Ischemic Encephalopathy

Published on: May 16, 2015

Archana Patel1, Ambarish Athawale

  • 1Lata Medical Research Foundation, Nagpur, India.

Indian Pediatrics
|May 12, 2009
PubMed

Insights

Children with encephalopathy have significantly higher blood lead levels compared to controls. Elevated blood lead levels were associated with increased risks of neurological sequelae or death in these children.

Area of Science:

  • Pediatric Neurology
  • Environmental Health
  • Toxicology

Background:

  • Encephalopathy in children can have various causes and outcomes.
  • Elevated blood lead levels (EBLL) are a known neurotoxin, but their prevalence in children with encephalopathy requires further investigation.

Purpose of the Study:

  • To determine the prevalence of elevated blood lead levels (EBLL) in children diagnosed with encephalopathy.
  • To identify predictors of EBLL and assess its association with clinical outcomes in children with encephalopathy.

Main Methods:

  • A case-control study was conducted involving 100 children: 49 with encephalopathy and 51 hospital controls.
  • Blood lead levels, demographics, clinical factors, environmental exposures, and neurological outcomes were assessed.

Main Results:

  • Children with encephalopathy had significantly higher mean blood lead levels (12.18 µg/dL) than controls (4.19 µg/dL).
  • Predictors of EBLL included wasting, anemia, surma use, and exposure to lead-based paint.
  • EBLL was more prevalent in non-infective encephalopathy (72%) and was associated with increased rates of neurological sequelae or death.

Conclusions:

  • Children hospitalized with encephalopathy exhibit a higher prevalence of elevated blood lead levels.
  • Lead exposure is a significant risk factor contributing to the severity and outcomes of childhood encephalopathy.
Abstract

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