Multidimensional Assessment of the Effectiveness of Group Voice Therapy

Giovanna Cantarella, Sara Torretta, Silvia Ferruta, Annaclara Ciabatta, Claudia Manfredi, Lorenzo Pignataro, Philippe Dejonckere

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Objective: Group voice therapy has been successfully used in patients with dysphonia, but there is little objectively documented evidence of its effects on voice quality and the self-perception of voice fatigue. The aim of this study was to investigate the effectiveness of group therapy in patients with functional dysphonia and minor anatomic vocal fold pathologies linked by appearance and history to voice use in an objective and multidimensional manner. Study design: This is a prospective longitudinal study. Methods: Before and after treatment, 34 adult women underwent perceptual voice assessments using the grade of dysphonia, roughness, breathiness, asthenia, and strain (GRBAS) scale, Evaluation Vocale Assistée (EVA) system aerodynamic and acoustic assessments, and maximum phonation time measurements, and made subjective evaluations using the Voice Handicap Index. The pretreatment baseline values of the participants were obtained by means of two examinations separated by an interval of 1 week. The parameters belonging to each main dimension were clustered by means of Z-transformation, and the corresponding Z-scores were analyzed. Results: Group therapy was associated with a statistically significant improvement in the perceptual (P = 0.008), acoustic (P = 0.040), aerodynamic (P = 0.009 and <0.001), and self-evaluation parameters (P = 0.011). Conclusions: Our findings provide evidence that group voice therapy can be associated with improvements in perceptual, acoustic, aerodynamic, and self-evaluated parameters in some patients with dysphonia. Controlled, randomized studies are needed in follow-up. This method of treatment may be a means of reducing the costs and waiting lists associated with rehabilitative treatment, and enhancing patients' motivation and compliance.

Original languageEnglish
Pages (from-to)714-721
JournalJournal of Voice
Volume31
Issue number6
DOIs
Publication statusPublished - 2017

Fingerprint

Dysphonia
Group Psychotherapy
Acoustics
Voice Disorders
Voice Quality
Phonation
Asthenia
Diagnostic Self Evaluation
Waiting Lists
Vocal Cords
Patient Compliance
Self Concept
Longitudinal Studies
Motivation
Therapeutics
History
Prospective Studies
Pathology
Costs and Cost Analysis

Keywords

  • Dysphonia
  • Group voice therapy
  • Multidimensional assessment
  • Voice
  • Voice fatigue

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Speech and Hearing
  • LPN and LVN

Cite this

Multidimensional Assessment of the Effectiveness of Group Voice Therapy. / Cantarella, Giovanna; Torretta, Sara; Ferruta, Silvia; Ciabatta, Annaclara; Manfredi, Claudia; Pignataro, Lorenzo; Dejonckere, Philippe.

In: Journal of Voice, Vol. 31, No. 6, 2017, p. 714-721.

Research output: Contribution to journalArticle

Cantarella, Giovanna ; Torretta, Sara ; Ferruta, Silvia ; Ciabatta, Annaclara ; Manfredi, Claudia ; Pignataro, Lorenzo ; Dejonckere, Philippe. / Multidimensional Assessment of the Effectiveness of Group Voice Therapy. In: Journal of Voice. 2017 ; Vol. 31, No. 6. pp. 714-721.
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