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Severe congenital lead poisoning in a preterm infant due to a herbal remedy
Paul A Tait1, Amish Vora, Simon James
1Pharmacy Department, Women's and Children's Hospital, North Adelaide, SA.
Insights
A preterm infant experienced extremely high blood lead levels due to maternal lead poisoning from herbal supplements. Parenteral calcium disodium edetate effectively reduced the infant's lead burden.
Area of Science:
- Toxicology
- Neonatal Medicine
- Environmental Health
Background:
- Chronic lead poisoning in pregnant women poses significant risks to neonates.
- Maternal exposure to environmental toxins can lead to severe infant health issues.
Observation:
- A surviving neonate presented with the highest recorded blood lead level.
- The infant's mother had a history of chronic lead poisoning.
Findings:
- Parenteral calcium disodium edetate (Ca-EDTA) was effective in reducing the infant's lead burden.
- Oral succimer was not effective in the neonatal period for lead reduction.
- Long-term ingestion of lead-contaminated herbal tablets by the mother was identified as the exposure source.
Implications:
- Highlights the critical need for screening pregnant women for lead exposure.
- Demonstrates the efficacy of parenteral Ca-EDTA in neonatal lead poisoning cases.
- Underscores the dangers of contaminated herbal remedies during pregnancy.
Abstract:
A preterm infant born to a woman with chronic lead poisoning was found to have the highest blood lead level recorded for a surviving neonate. Parenteral calcium disodium edetate, but not oral succimer, was effective in reducing the infant's lead burden in the neonatal period. An exposure assessment revealed the mother's long-term ingestion of lead-contaminated herbal tablets as the source.
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