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Related Experiment Videos

Respiratory function in shoe manufacturing workers

E Zuskin1, J Mustajbegovic, E N Schachter

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

American Journal of Industrial Medicine
|January 1, 1997
PubMed
Summary

Female shoe factory workers experienced significantly higher rates of acute and chronic respiratory symptoms, including chest tightness and dyspnea. Lung function declined across work shifts, worsening with longer employment durations, suggesting occupational hazards in shoe manufacturing.

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Area of Science:

  • Occupational Health
  • Environmental Medicine
  • Pulmonary Medicine

Background:

  • Shoe manufacturing involves exposure to various chemicals and fibers.
  • Previous studies suggest potential respiratory risks in industrial settings.
  • Understanding the specific impact on shoe workers is crucial for targeted interventions.

Purpose of the Study:

  • To investigate the prevalence of acute and chronic respiratory symptoms in female shoe factory workers.
  • To assess lung function changes (forced vital capacity, forced expiratory volume) before and after work shifts.
  • To correlate respiratory health with duration of employment and environmental exposures.

Main Methods:

  • A cross-sectional study involving 376 female shoe workers and controls.

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  • Recording of acute and chronic respiratory symptoms.
  • Pulmonary function tests including Maximum Expiratory Flow-Volume (MEFV) curves.
  • Environmental monitoring for benzene, fur, and synthetic fibers.

    • Main Results:

    • Significantly higher prevalence of chronic symptoms like chest tightness, dyspnea, and rhinitis in exposed workers compared to controls.
    • High prevalence of acute symptoms, particularly nose and throat irritation during work shifts.
    • Across-shift reductions in ventilatory capacity (FVC, FEV1, FEF50, FEF25) and lower overall lung function compared to predicted values.
    • Increased symptom prevalence and lung function abnormalities with longer employment duration.
    • Environmental levels of benzene, fur, and synthetic fibers exceeded allowable limits.

    Conclusions:

    • Work in the shoe manufacturing industry is associated with a higher risk of respiratory impairment.
    • Exposure to specific workplace agents may contribute to both acute and chronic respiratory conditions.
    • The findings underscore the need for improved occupational health and safety measures in this industry.