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A Protocol for Comprehensive Assessment of Bulbar Dysfunction in Amyotrophic Lateral Sclerosis (ALS)
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Published on: February 21, 2011

Computerized voice therapy in hypofunctional dysphonia.

Renzo Mora1, Barbara Jankowska, Luca Guastini

  • 1Otolaryngology Department, University of Genoa, Genoa, Italy. renzomora@libero.it

Journal of Otolaryngology - Head & Neck Surgery = Le Journal D'Oto-Rhino-Laryngologie Et De Chirurgie Cervico-Faciale
|September 11, 2010
PubMed
Summary

This study found the Kay CSL 4500 system with Sona-Speech II software effective for voice therapy in hypofunctional dysphonia patients. Visual biofeedback improved acoustic parameters and patient outcomes.

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Area of Science:

  • Otolaryngology
  • Speech-Language Pathology
  • Biomedical Engineering

Background:

  • Hypofunctional dysphonia affects voice quality and can impact quality of life.
  • Effective voice therapy is crucial for managing this condition.
  • Technological aids can enhance traditional therapy approaches.

Purpose of the Study:

  • To evaluate the efficiency and applicability of the Kay CSL 4500 system with Sona-Speech II software for voice therapy.
  • To assess the impact of visual biofeedback on patients with hypofunctional dysphonia.

Main Methods:

  • 40 adult males with hypofunctional dysphonia participated in the study.
  • Voice therapy involved 30 daily 25-minute sessions using computer exercises with visual biofeedback.
  • Acoustic parameters, nasal resonance, and Voice Handicap Index (VHI) were measured before, during, and after therapy.

Main Results:

  • Significant improvements (p < .05) were observed in acoustic parameters after voice therapy.
  • The visual biofeedback system demonstrated positive effects on voice quality.
  • Patients showed measurable gains in vocal function and perceived voice handicap.

Conclusions:

  • The Kay CSL 4500 system and Sona-Speech II software show promise as effective tools in voice therapy.
  • This technology offers a viable option for treating hypofunctional dysphonia.
  • Further research can explore long-term efficacy and broader applications.