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Related Experiment Videos

Work-related toxic epidermal necrolysis?

R A House1, H Jakubovic, L Wong

  • 1Department of Occupational and Environmental Health, St. Michael's Hospital, University of Toronto, Ontario, Canada.

Journal of Occupational Medicine. : Official Publication of the Industrial Medical Association
|February 1, 1992
PubMed
Summary

A worker developed toxic epidermal necrolysis after exposure to vapors from drying cellulose acetate. This highlights potential workplace risks from plastic extrusion pyrolysis products, necessitating careful exposure assessment.

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Area of Science:

  • Occupational Health
  • Toxicology
  • Dermatology

Background:

  • Plastic extrusion involves diverse resins like cellulose acetate and polyvinyl chloride.
  • Potential pyrolysis products include formaldehyde, acrylonitrile, and chlorinated hydrocarbons.
  • These compounds are linked to severe skin reactions like Stevens-Johnson syndrome and toxic epidermal necrolysis.

Observation:

  • A case of toxic epidermal necrolysis (TEN) occurred in a plastic extrusion worker.
  • Air sampling showed minimal hydrogen chloride and diethylphthalate during normal operations.
  • The TEN onset followed exposure to vapors from a cellulose acetate drying machine.

Findings:

  • Pyrolysis of resins can generate hazardous compounds not detected by standard air sampling.

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  • Direct exposure to cellulose acetate drying vapors preceded the worker's TEN.
  • Establishing work-relatedness for chemical-induced skin conditions can be challenging.

    • Implications:

    • Workplace exposure to specific plastic pyrolysis products may trigger severe dermatological reactions.
    • Accurate exposure assessment is crucial for diagnosing and preventing occupational skin diseases.
    • Further research is needed on the specific hazards of plastic extrusion processes and their pyrolysis products.