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Related Experiment Videos

Videolaryngostroboscopy following vertical partial laryngectomy.

D L Mandell1, P Woo, D S Behin

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

The Annals of Otology, Rhinology, and Laryngology
|December 1, 1999
PubMed
Summary

Voice production after vertical partial laryngectomy (VPL) often uses alternative vibration sites, not just true vocal folds. Reconstruction of new vibratory sources is key for phonation post-VPL surgery.

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Area of Science:

  • Otolaryngology
  • Speech and Language Pathology
  • Surgical Oncology

Background:

  • Phonation following partial laryngeal ablative surgery, specifically vertical partial laryngectomy (VPL), remains under-investigated.
  • Understanding the mechanisms of voice production after VPL is crucial for patient rehabilitation.

Purpose of the Study:

  • To examine phonation characteristics after vertical partial laryngectomy (VPL).
  • To identify the primary sites of vibration contributing to voice production post-VPL.
  • To correlate vibratory sites with patient factors and vocal quality.

Main Methods:

  • Retrospective review of videolaryngostroboscopic recordings from 42 patients who underwent VPL.
  • Correlation of observed vibration sites with patient history and operative details.

Related Experiment Videos

  • Vocal quality assessment and comparison based on vibration site and reconstructive methods.

    • Main Results:

    • The most common phonatory vibration site was the contralateral false vocal fold (40.5%), followed by arytenoid mucosa (23.8%) and true vocal fold (19.0%).
    • No significant difference in overall vocal quality was found based on the site of vibration (p = .373).
    • Vocal quality scores were comparable between pyriform mucosal flap reconstruction and other methods (p = .568).

    Conclusions:

    • Reconstruction of a novel vibratory source is essential for voice restoration after VPL.
    • Alternative sites like the false vocal fold and arytenoid mucosa serve as important phonatory sources when true vocal fold vibration is limited post-VPL.