Abstract | OBJECTIVE: The aim of this study was calculate the prevalence and incidence of voice disorders among teaching staff of La Rioja, Spain. DESIGN: We carried out a transversal study of voice disorders in teaching staff of La Rioja (a random sample of 931 of 3113 teachers) and a longitudinal study (we collect the new cases during the 3 years which lasts the study). PATIENTS: 527 teachers of random sample took part of study: 332 female (63%) and 195 male (37%). METHODS: All of teachers fill in a standard questionnaire, ENT and function vocal examination, videolaryngostroboscopy and acoustic analysis with MDVP. RESULTS: The prevalence of voice disorders among La Rioja Teachers was 57%: 20.3% for organic lesions [nodular lesions (14%), polyps (2%), submucous suffusions (1.4%), edema Reinke (1.2%) Sulcus (0.4%), scalp (0.6%), leucoplasia (0.2%) vocal cord paralysis (0.2%)] 8.1% for chronic laryngitis [not specific (2.8%), smoke (3.9%) gastroe-sofageal reflux (2.5%)] and 29% for functional lesions [hyperfunctional dysphonia (7.5%) hypofunctional dysphonia (0.4%) vocal overefforts (18%) hyperplasia false cords (2.8)]. The incidence rate was 4 new cases each 1000 teachers and year. CONCLUSIONS: Organic lesions were more prevalent in women (25.4%) than in men (9.5%), but functional lesions and chronic laryngitis were more prevalent in men (36.5% and 13.2%) than in women (24% and 5%).
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Authors | J Preciado, C Pérez, M Calzada, P Preciado |
Journal | Acta otorrinolaringologica espanola
(Acta Otorrinolaringol Esp)
Vol. 56
Issue 5
Pg. 202-10
(May 2005)
ISSN: 0001-6519 [Print] Spain |
Vernacular Title | Incidencia y prevalencia de los trastornos de la voz en el personal docente de La Rioja. Estudio clínico: cuestionario, examen de la función vocal, análisis acústico y vídeolaringoestroboscopia. |
PMID | 15960123
(Publication Type: English Abstract, Journal Article, Research Support, Non-U.S. Gov't)
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Topics |
- Acoustics
- Adult
- Female
- Humans
- Incidence
- Laryngoscopy
- Male
- Middle Aged
- Occupational Diseases
(epidemiology, physiopathology)
- Prevalence
- Spain
- Stroboscopy
- Surveys and Questionnaires
- Teaching
- Video Recording
- Vocal Cords
(physiology)
- Voice Disorders
(epidemiology, physiopathology)
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