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Vocal quality of patients treated for laryngeal tuberculosis, before and after speech therapy

Published online by Cambridge University Press:  16 September 2010

A C Nunes Ruas ,
V Cavalcanti Rolla ,
M H de Araújo-Melo ,
J Soares Moreira  and
C M Valete-Rosalino
A C Nunes Ruas*
Affiliation:
Department of Otorhinolaryngology, Evandro Chagas Clinical Research Institute, Oswaldo Cruz Foundation, State University of Rio de Janeiro, Brazil
V Cavalcanti Rolla
Affiliation:
Tuberculosis Reference Center, Evandro Chagas Clinical Research Institute, Oswaldo Cruz Foundation, State University of Rio de Janeiro, Brazil
M H de Araújo-Melo
Affiliation:
Evandro Chagas Clinical Research Institute, Oswaldo Cruz Foundation, State University of Rio de Janeiro, Brazil
J Soares Moreira
Affiliation:
Department of Otorhinolaryngology, Evandro Chagas Clinical Research Institute, Oswaldo Cruz Foundation, State University of Rio de Janeiro, Brazil
C M Valete-Rosalino
Affiliation:
Department of Otorhinolaryngology, Evandro Chagas Clinical Research Institute, Oswaldo Cruz Foundation, State University of Rio de Janeiro, Brazil
*
Address for correspondence: Dr Ana Cristina Nunes Ruas, Av Brasil 4365, Manguinhos, Rio de Janeiro, RJ, Brasil21045-900. Fax: +5521 3865 9581 E-mail: ana.ruas@ipec.fiocruz.br
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Abstract

Objectives:

To evaluate dysphonia in patients treated for laryngeal tuberculosis, and to assess the effect of speech therapy on patients' vocal quality.

Materials and methods:

Seven of 23 patients with a confirmed diagnosis of laryngeal tuberculosis, treated at the Evandro Chagas Institute of Clinical Research, Oswaldo Cruz Foundation, underwent speech therapy for six months. These seven patients were evaluated by videolaryngoscopy and vocal acoustic analysis, before, during and after a course of speech therapy.

Results:

The 23 patients with laryngeal tuberculosis comprised five women and 18 men, with ages ranging from 25 to 83 years (mean 41.3 years). Dysphonia was present in 91.3 per cent of these laryngeal tuberculosis patients, being present as the first symptom in 82.6 per cent. In laryngeal tuberculosis patients with dysphonia, laryngeal tuberculosis treatment resulted in dysphonia resolution in only 15.8 per cent. After speech therapy, dysphonia patients had better vocal quality, as demonstrated by statistical analysis of jitter, shimmer, fundamental frequency variability, maximum phonation time, and the ratio between maximum phonation time for voiceless and voiced fricative sounds.

Conclusions:

Following treatment of laryngeal tuberculosis, the incidence of dysphonia was very high. Speech therapy improved patients' vocal quality.

Keywords

TuberculosisLarynxDysphoniaSpeech Therapy
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 124 , Issue 11 , November 2010 , pp. 1153 - 1157
Copyright
Copyright © JLO (1984) Limited 2010

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