[Analysis of voice disorders in teachers treated in the Phoniatric Laboratory of the Otolaryngology Department AM in Wrocław].

Analysis of voice disorders in 898 teachers was performed. In all cases otolaryngologic, videostroboscopic and phoniatric examinations were completed. There was prevalence of women at the age ranged from 46 to 56 years. Majority of morphologic changes included Reinkes oedema (120 cases), chronic simple laryngitis (109 cases), vocal nodules (95 cases), chronic hypertrophic laryngitis (70 cases) and laryngeal polyps (35 cases). In 175 cases vocal insufficiency of glottis and in 57 cases functional disorders were diagnosed. In 131 cases no morphologic and functional changes were found. In the group of teachers the incidence of vocal insufficiency was higher than in control group. The analysis of the examined teachers revealed that professional disease was confirmed in 33% of cases. Majority of them included vocal nodules and chronic hypertrophic laryngitis.