Related Experiment Videos
[Occupational asthma caused by ebony wood]
M C Kopferschmitt-Kubler1, P Bachez, J C Bessot
1Service de Pneumologie, Pavillon Laennec, CHRU, Strasbourg.
Revue Des Maladies Respiratoires
|January 1, 1992
Summary
Occupational asthma caused by ebony wood dust was diagnosed in a musical instrument maker. The condition was confirmed through a provocation test, highlighting the risks of wood dust exposure in this profession.
Area of Science:
- Occupational Medicine
- Pulmonology
- Toxicology
Background:
- Occupational asthma is a significant concern in professions involving exposure to fine dust particles.
- Ebony wood, often used in musical instrument manufacturing, presents a potential respiratory hazard.
Observation:
- A case study details a violin and stringed instrument maker experiencing symptoms after working with ebony wood.
- The patient was sanding and filing ebony wood to create fingerboards for violins and cellos.
Findings:
- A provocation test confirmed occupational asthma, showing a 45% fall in forced expiratory volume in one second (FEV1) after ebony dust exposure.
- Bronchial spasm was reversible with beta-2 agonist inhalation, and delayed reactions were observed up to 20 hours post-exposure.
- This case adds to the very limited published data on ebony wood-induced occupational asthma and rhinitis.
Implications:
- Highlights the need for stringent dust control measures in musical instrument manufacturing.
- Reinforces the recognition of ebony wood as an occupational disease, necessitating protective strategies for exposed workers.
- Suggests further research into the specific allergens and immunological mechanisms involved in ebony wood sensitization.