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Vocal cord dysfunction - an industrial health hazard
The Annals of Otology, Rhinology, and Laryngology
|November 1, 1979
Summary
High environmental noise increases vocal cord dysfunction risk, affecting 8% of workers. Surgery for vocal cord nodules in noisy settings leads to over 30% recurrence, with females at higher risk.
Area of Science:
- Otolaryngology
- Occupational Health
Background:
- High environmental noise is a known risk factor for various health issues.
- Vocal cord dysfunction encompasses conditions like nodules, polyps, and chronic laryngitis.
Purpose of the Study:
- To investigate the incidence of vocal cord dysfunction in individuals exposed to high environmental noise.
- To assess the recurrence rate of vocal cord dysfunction after surgery in noisy environments.
- To determine if there is a gender-based difference in risk.
Main Methods:
- Cross-sectional study analyzing individuals working in high noise environments.
- Review of surgical outcomes for vocal cord nodules in relation to noise exposure.
- Statistical analysis to compare incidence and recurrence rates between genders.
Main Results:
- An approximate 8% incidence of vocal cord dysfunction was observed in noise-exposed workers.
- Over 30% of individuals undergoing vocal cord nodule surgery in high noise environments experienced recurrence.
- Females demonstrated a higher susceptibility to vocal cord dysfunction in high noise environments compared to males.
Conclusions:
- Occupational exposure to high noise levels is significantly associated with vocal cord dysfunction.
- High noise environments pose a substantial risk for recurrent vocal cord dysfunction post-surgery.
- Gender is a factor in vocal cord dysfunction risk, with females being more vulnerable to noise-induced laryngeal conditions.