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Hypothyroidism in textile workers.
F P Roberts1, A L Wright, S A O'Hagan
1Employment Medical Advisory Service, Plymouth, UK.
The Journal of the Society of Occupational Medicine
|January 1, 1990
Summary
Occupational exposure to thiourea and resorcinol in a textile factory was investigated. While not statistically significant, some workers showed hypothyroidism, potentially linked to fume accumulation in specific work areas.
Area of Science:
- Occupational health
- Endocrinology
- Industrial hygiene
Background:
- A textile factory using thiourea and resorcinol reported four cases of overt hypothyroidism over six years.
- A follow-up survey investigated potential links between chemical exposure and thyroid dysfunction in the workforce.
Purpose of the Study:
- To assess the occurrence of hypothyroidism among textile factory workers exposed to thiourea and resorcinol.
- To identify potential sources of occupational exposure and their correlation with thyroid health.
Main Methods:
- Conducted a follow-up survey of 237 employees (189 men, 48 women).
- Assessed thyroid function using a standardized categorization system.
- Performed an occupational hygiene survey to evaluate exposure to thiourea and resorcinol.
Main Results:
- Identified 12 new cases of hypothyroidism, ranging in severity.
- Observed a clustering of hypothyroidism cases in areas with potential fume accumulation.
- Did not find statistically significant biochemical or immunological evidence of thyroid dysfunction across the entire workforce.
Conclusions:
- While a definitive causal link was not established, the findings suggest a potential association between workplace chemical exposure and hypothyroidism.
- Further investigation into localized exposure risks, particularly in areas with fume accumulation, is warranted.
- Environmental controls and monitoring are recommended to mitigate potential health risks.