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Ethylene glycol poisoning.

Peter Mygind Leth1, Markil Gregersen

  • 1Institute of Forensic Medicine, University of Southern Denmark, Faculty of Health Sciences, Winsløvparken 17, DK-5000 Odense C, Denmark. pleth@health.sdu.dk

Forensic Science International
|October 18, 2005
PubMed
Summary

Ethylene glycol (EG) poisoning is a serious health risk, often resulting from accidental ingestion or intentional misuse. Its toxic metabolites cause severe acidosis and organ failure, leading to fatal outcomes.

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Area of Science:

  • Toxicology
  • Clinical Medicine
  • Environmental Health

Background:

  • Ethylene glycol (EG), commonly found in antifreeze, poses a significant poisoning risk.
  • Exposure occurs through intentional misuse as an ethanol substitute or accidental ingestion by children.
  • EG itself has low toxicity but is metabolized into toxic organic acids in vivo.

Observation:

  • Metabolites include glycoaldehyde, glycolic acid, glyoxylic acid, and oxalic acid.
  • These metabolites are potent cell toxins causing CNS depression, cardio-pulmonary, and renal failure.
  • Glycolic acid induces severe acidosis, while oxalate forms calcium oxalate crystals in renal tissues.

Findings:

  • The study reviews five fatal cases of ethylene glycol poisoning.
  • Clinical presentation, diagnosis, and pathological findings are discussed.
  • Treatment and prevention strategies for EG poisoning are examined.

Implications:

  • Highlights the severe toxicity of ethylene glycol metabolites.
  • Underscores the importance of proper storage and labeling of chemicals.
  • Emphasizes the need for prompt medical intervention in cases of suspected EG ingestion.

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