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A study of the effectiveness of voice therapy in the treatment of 45 patients with nonorganic dysphonia

Lookup NU author(s): Professor Paul Carding, Irmgarde Horsley, Professor Gerry Docherty

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Abstract

Forty-five patients diagnosed as having nonorganic dysphonia were assigned in rotation to 1 of 3 groups. Patients in group 1 received no treatment and acted as a control group. Patients in groups 2 and 3 received a program of indirect therapy and direct with indirect therapy, respectively. A range of qualitative and quantitative measures were carried out on all patients before and after treatment to evaluate change in voice quality over time. Results revealed a significant difference between the 3 treatment groups in the amount of change for the voice severity, electrolaryngograph, and shimmer measurements and on ratings provided by a patient questionnaire (P<0.05). However, other measures failed to show significant differences between the 3 groups. Most of the patients (86%) in group 1 showed no significant change on any of the measures. Some patients in treatment group 2 (46%) showed significant change in voice quality. Fourteen out of 15 patients (93%) in treatment group showed significant changes in voice quality.

Publication metadata

Author(s): Carding P, Horsley I, Docherty G

Publication type: Article

Publication status: Published

Journal: Journal of Voice

Year: 1999

Volume: 13

Issue: 1

Pages: 72-104

Print publication date: 01/01/1999

ISSN (print): 0892-1997

ISSN (electronic): 1873-4588

Publisher: Mosby, Inc.

URL: http://dx.doi.org/10.1016/S0892-1997(99)80063-0

DOI: 10.1016/S0892-1997(99)80063-0

PubMed id: 10223677

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