PMID: 15387083Sep 25, 2004Paper

An analysis of occupational dysphonia diagnosed in the North-East of Poland

International Journal of Occupational Medicine and Environmental Health
Bozena Kosztyła-HojnaAnna Lobaczuk-Sitnik

Abstract

The objective of the study was to evaluate factors predisposing to occupational dysphonia in a group of professional voice users. The study involved 374 patients treated in the Clinic of Otolaryngology and the Phoniatric Outpatient Clinic, Department of Otolaryngology, Medical University of Białystok in 1999--2001. Group I consisted of 309 patients qualified as professional voice users. The obtained results were compared with those yielded in a group of 65 persons of other occupations (group II). All the diagnosed patients neither smoked nor abused alcohol. Tobacco smokers, patients with chronic diseases of the respiratory system or individuals exposed to irritating vapors were excluded from the study. The clinical evaluation included phoniatric examinations with use of videoendoscopy (VIS) and videolaryngostroboscopy (VLSS) of the larynx. Based on the larynx endoscopic image the voice organ pathology was diagnosed in the patients as functional and/or organic dysphonia. The former comprised hyperfunctional or hypofunctional dysphonia and insufficiency of the glottis and the latter other laryngeal disturbances. In the statistical analysis chi2 parametric test of independence for two averages was used. Female teachers of primary ...Continue Reading

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