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Fat augmentation for glottic insufficiency.

M W Hsiung1, P Woo, A Minasian

  • 1Department of Otolaryngology--Head and Neck Surgery, The Mount Sinai Hospital, The Grabscheid Voice Center, New York, New York 10029-6574, USA.

The Laryngoscope
|June 14, 2000
PubMed
Summary
This summary is machine-generated.

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Fat injection effectively treats vocal fold issues like paralysis, scar, or atrophy, improving phonation and vibration. While fat reabsorption can occur, the procedure is repeatable for sustained vocal fold augmentation.

Area of Science:

  • Otolaryngology
  • Regenerative Medicine
  • Acoustic Analysis

Background:

  • Vocal fold augmentation using fat lipoinjection is established for vocal fold paralysis.
  • Limited data exists on fat injection's efficacy for vocal atrophy, intubation trauma, and post-hemilaryngectomy defects.

Observation:

  • A retrospective study evaluated 33 patients with vocal fold paralysis, scar, or atrophy undergoing fat augmentation.
  • Data included perceptual, acoustic, phonatory function, and videolaryngostroboscopic assessments pre- and post-procedure.

Findings:

  • Significant improvements were observed in phonatory function (jitter, shimmer, maximal phonation time) and videolaryngostroboscopic parameters (vocal fold edge linearity, mucosal wave, vibratory behavior).
  • Anterior and smaller vocal fold defects showed better outcomes than posterior and larger defects.

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Implications:

  • Fat injection serves as a viable autogenous implant for managing vocal fold scar, defect, or atrophy.
  • Fat reabsorption is a challenge, but the procedure can be repeated for sustained vocal fold augmentation.