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Related Experiment Videos

Occupational asthma caused by chromium

H S Park1, H J Yu, K S Jung

  • 1Department of Internal Medicine, Hallym University Medical College, Seoul, Korea.

Clinical and Experimental Allergy : Journal of the British Society for Allergy and Clinical Immunology
|July 1, 1994
PubMed
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Occupational asthma can be caused by chromium salts. Exposure to chromium can lead to asthma symptoms and airway hyperresponsiveness in workers.

Area of Science:

  • Occupational Medicine
  • Pulmonology
  • Toxicology

Background:

  • Occupational asthma is a significant health concern for workers exposed to specific substances.
  • Chromium salts are known industrial chemicals with potential respiratory health implications.

Purpose of the Study:

  • To investigate and report cases of occupational asthma linked to chromium salt exposure.
  • To characterize the asthmatic responses and airway hyperresponsiveness in affected individuals.

Main Methods:

  • Case study of four workers with suspected occupational asthma due to chromium salts.
  • Specific chromium bronchoprovocation test (BPT) to assess asthmatic responses.
  • Skin-prick testing and patch testing with chromium sulfate (Cr2(SO4)3).
  • Methacholine airway challenge testing to evaluate airway hyperresponsiveness.

Related Experiment Videos

  • Reassessment after a period of chromium avoidance.

    • Main Results:

    • Three patients exhibited dual asthmatic responses and one showed an isolated early asthmatic response on BPT.
    • Positive skin-prick tests were observed in two patients; two others had positive patch tests.
    • Three patients initially presented with airway hyperresponsiveness to methacholine.
    • One patient developed transient airway hyperresponsiveness post-chromium exposure.
    • Two patients showed significant symptom improvement and increased methacholine PC20 after chromium avoidance.

    Conclusions:

    • Chromium salts can induce occupational asthma in exposed workers.
    • The findings highlight the importance of identifying and managing chromium-induced occupational asthma.
    • Further research is required to elucidate the precise pathogenetic mechanisms involved.