Document Detail

The use of fibrolaryngoscopy in muscle tension dysphonia in telemarketers.
MedLine Citation:
PMID:  22436600     Owner:  NLM     Status:  Publisher    
INTRODUCTION: Muscle tension dysphonia (MTD) is a voice disorder in the absence of current organic laryngeal pathology, without obvious psychogenic or neurological aetiology. The laryngeal features of MTD include a posterior glottal gap and supraglottic hyperfunctional activities; however, it remains unclear if these features are specific to MTD. This report aims to compare the laryngeal features in telemarketer patients with MTD versus non-dysphonic control subjects. METHODS: We reported on an observational, analytic and transversal study. Fiberoptic nasal endoscopy was performed on 57 patients (28 telemarketers with MTD and 29 control subjects). These random-sequence videotapes were independently rated by an expert laryngologist according to the modified Morrison and Rammage classification. In addition, a questionnaire about vocal symptoms and other details was completed. RESULTS: The posterior glottal gap was the most common feature in telemarketers with MTD, while incomplete glottal gap was observed more frequently in non-dysphonic patients. More than 70% of the videotapes were rated as pathologic. There was no statistical difference in the prevalence of normal features or bowing glottal gap between patients and control subjects. Anterior-posterior supraglottic contraction was more frequent in the control group. The major symptoms found were: voice gets tired quickly, increased vocal effort and neck tension. CONCLUSIONS: The heterogeneity in the laryngeal features in telemarketers with MTD seen under fibroscopy and their presence among the non-dysphonic population suggest that they cannot determine by themselves the diagnosis of MTD.
Oscar A Paoletti; María E Fraire; María V Sanchez-Vallecillo; Mauro Zernotti; Manuel E Olmos; Mario E Zernotti
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-19
Journal Detail:
Title:  Acta otorrinolaringologica espanola     Volume:  -     ISSN:  1988-3013     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-3-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  14540260R     Medline TA:  Acta Otorrinolaringol Esp     Country:  -    
Other Details:
Languages:  ENG; SPA     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier España, S.L. All rights reserved.
Servicio de Otorrinolaringología, Sanatorio Allende, Córdoba Capital, Provincia de Córdoba, Argentina.
Vernacular Title:
Utilidad de la fibrolaringoscopía en la disfonía por tensión muscular en teleoperadores.
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