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Respiratory symptoms and lung function in wool textile workers

E Zuskin1, J Mustajbegovic, E N Schachter

  • 1Andrija Stampar School of Public Health, Medical Faculty University of Zagreb, Croatia.

American Journal of Industrial Medicine
|June 1, 1995
PubMed
Summary

Wool textile workers experience more respiratory issues and reduced lung function due to dust exposure. Across-shift reductions in ventilatory capacity (FEV1, FEF50) were observed, impacting workers regardless of exposure duration.

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Area of Science:

  • Occupational Health
  • Pulmonology
  • Environmental Health

Background:

  • Wool textile workers are potentially exposed to dust and fibers.
  • Respiratory symptoms and lung function changes are common concerns in occupational settings.

Purpose of the Study:

  • To investigate the association between wool dust exposure and respiratory health in textile workers.
  • To assess chronic respiratory symptoms and acute changes in ventilatory capacity.

Main Methods:

  • Questionnaires assessed respiratory symptoms in 216 wool workers and 130 controls.
  • Maximum expiratory flow-volume (MEFV) curves measured ventilatory capacity (FVC, FEV1, FEF50, FEF25) before and after work shifts.
  • Data analyzed for prevalence of symptoms and across-shift lung function changes.

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Main Results:

  • Wool workers showed significantly higher chronic respiratory symptoms (nasal catarrh, sinusitis) than controls.
  • Acute, work-shift-related reductions in ventilatory capacity were observed, particularly for FEF50 (9.1%) and FEF25.
  • Long-term exposure (>10 years) did not show greater lung function impairment than shorter exposures.

Conclusions:

  • Dust exposure in wool textile mills is linked to chronic respiratory symptoms.
  • Occupational exposure to wool dust impairs lung function, with significant across-shift reductions.
  • Further research is needed to mitigate these occupational health risks.