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Related Experiment Video

Updated: Dec 31, 2025

Author Spotlight: Optimizing EAS with Long Electrodes for Enhanced Cochlear Coverage and Hearing Preservation
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Functional Electrical Stimulation for Presbyphonia: A Prospective Randomized Trial.

Markus Gugatschka1, Marlies Feiner1, Winfried Mayr2

  • 1Division of Phoniatrics, Medical University of Graz, Graz, Austria.

The Laryngoscope
|January 8, 2020
PubMed
Summary

Transcutaneous functional electrical stimulation (FES) did not improve objective voice parameters in elderly women with presbyphonia. However, subjective voice quality and quality of life improved, possibly due to study effects.

Keywords:
Presbyphoniaaged voicefunctional electrical stimulationpresbylarynxtranscutaneous stimulation

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Area of Science:

  • Otolaryngology
  • Speech-Language Pathology
  • Rehabilitation Medicine

Background:

  • Presbyphonia, a common condition in elderly women, affects voice quality and quality of life.
  • Transcutaneous functional electrical stimulation (FES) is a potential therapeutic modality for voice disorders.

Purpose of the Study:

  • To investigate the efficacy of transcutaneous FES in improving voice and related parameters in elderly women with presbyphonia.

Main Methods:

  • A prospective randomized study involving 14 elderly women with presbyphonia.
  • Participants received either 8 weeks of effective FES or 4 weeks of ineffective FES followed by 4 weeks of effective FES.
  • Acoustical, vocal, respiratory, and patient-centered voice parameters were assessed.

Main Results:

  • No significant improvements were observed in objective vocal, acoustical, or respiratory parameters with either 4 or 8 weeks of transcutaneous FES.
  • Significant improvements were noted in patient-centered outcomes, including voice handicap and voice-related quality of life, in both groups.

Conclusions:

  • Transcutaneous FES did not yield significant improvements in objective voice parameters for presbyphonia.
  • Subjective voice perception and quality of life improved, potentially due to observer-expectancy effects from the study design.