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Byssinosis among jute mill workers.
Bhaskar P Chattopadhyay1, Habibullah N Saiyed, Ashit K Mukherjee
1Regional Occupational Health Centre (Eastern), Indian Council of Medical Research, Salt lake City, Kolkata-700 091, India.
Industrial Health
|August 15, 2003
Summary
This study confirms byssinosis in Indian jute mill workers, revealing significant acute and chronic respiratory function decline. Exposure to jute dust, particularly endotoxins, causes work-related symptoms and pulmonary function changes.
Area of Science:
- Occupational Health
- Environmental Medicine
- Pulmonary Medicine
Background:
- Byssinosis, a lung disease, has been controversial in jute mill workers.
- Previous studies suggested typical byssinotic syndrome in West-Bengal jute mills.
Purpose of the Study:
- To confirm the occurrence of byssinosis in Indian jute mill workers.
- To investigate work-related respiratory symptoms and pulmonary function changes due to dust and endotoxin exposure.
Main Methods:
- A study involving 148 jute mill workers.
- Standard questionnaires and spirometry for respiratory symptoms and pulmonary function tests (PFTs).
- Monitoring of dust levels, particle size distribution, and airborne endotoxin levels using LAL assay.
Main Results:
- Batching identified as the dustiest process.
- High concentrations of airborne endotoxins found in hatching and spinning areas.
- Significant acute (31.8%) and chronic (43.2%) forced expiratory volume in 1 second (FEV1) changes observed.
- Workers with higher exposure showed lower FVC, FEV1, PEFR, and FEF25-75%.
Conclusions:
- The study confirms byssinosis in Indian jute mill workers.
- Jute mill workers suffer from respiratory morbidity similar to cotton, flax, and hemp workers.
- Exposure to airborne jute dust and endotoxins is linked to significant pulmonary function impairment.
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