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Related Experiment Videos

[External vocal cord medialization: functional outcome]

G Friedrich1

  • 1Klinische Abteilung für Phoniatrie, Hals-, Nasen-, Ohren-Universitätsklinik Graz.

Laryngo- Rhino- Otologie
|April 2, 1998
PubMed
Summary
This summary is machine-generated.

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External vocal fold medialization significantly improves voice function in patients with glottic insufficiency. While effective for scarring and atrophy, outcomes are better in paralysis and may require voice therapy.

Area of Science:

  • Otolaryngology
  • Phonosurgery
  • Speech Science

Context:

  • Glottic insufficiency impacts voice function, necessitating phonosurgical interventions.
  • Preoperative evaluation is crucial for phonosurgical procedure indication and quality control.

Purpose:

  • To evaluate functional voice results after external vocal fold medialization in patients with glottic insufficiencies.
  • To assess the efficacy of external vocal fold medialization for various etiologies of glottic insufficiency.

Summary:

  • External vocal fold medialization demonstrated statistically significant improvements in voice parameters, including fundamental frequency, sound pressure level, and maximum phonation time.
  • While effective for glottic gaps from scarring or atrophy, results were less optimal than in paralysis and often required voice therapy.

Related Experiment Videos

  • A novel Voice Dysfunction Index correlated with glottal gap size and preoperative impairment, aiding in global vocal ability assessment.

    • Impact:

    • External vocal fold medialization is a viable treatment for glottic insufficiency, offering stable results and reversibility.
    • The study highlights the importance of the glottal gap and preoperative impairment in predicting functional outcomes.
    • Findings suggest tailored voice therapy approaches may be necessary, particularly for cases involving vocal fold scarring.