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The forced end-expiratory flow rate in chloromethyl ether workers
Journal of Occupational Medicine. : Official Publication of the Industrial Medical Association
|September 1, 1977
Summary
Chemical exposure to chloromethyl ethers significantly impacts lung function in workers. Spirometry revealed reduced end-expiratory flow rates in exposed individuals, suggesting potential respiratory health risks.
Area of Science:
- Occupational Health
- Pulmonary Medicine
- Toxicology
Background:
- Chloromethyl ethers (CME) are industrial chemicals with known respiratory irritant properties.
- Long-term occupational exposure to CME may affect lung function.
- Assessing respiratory health in chemical workers is crucial for early detection of adverse effects.
Purpose of the Study:
- To evaluate the impact of occupational exposure to chloromethyl ethers on lung function.
- To investigate the relationship between CME exposure levels and spirometry parameters.
- To identify potential dose-response relationships in exposed chemical workers.
Main Methods:
- Spirometry was performed on 103 chemical workers.
- Exposure levels to chloromethyl ethers were assessed.
- End-expiratory flow rates were compared between exposed and unexposed groups.
- The influence of smoking as a confounding factor was considered.
Main Results:
- One-third of CME-exposed workers exhibited end-expiratory flow rates below 60% of predicted values.
- Only 3% of unexposed workers showed similar reductions in flow rates.
- A dose-response relationship was suggested between CME exposure and reduced flow rates in smokers.
Conclusions:
- Occupational exposure to chloromethyl ethers is associated with significant reductions in lung function, specifically end-expiratory flow rate.
- Smoking exacerbates the negative impact of CME exposure on respiratory health.
- Regular spirometry screening is recommended for workers exposed to chloromethyl ethers.