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Medialization Laryngoplasty After Injection Augmentation.

Valeria Silva Merea1, Solomon Husain2, Lucian Sulica3

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Summary
This summary is machine-generated.

Vocal fold injection augmentation (IA) prior to medialization laryngoplasty (ML) did not impact revision rates or long-term voice outcomes. This study suggests IA is safe before ML surgery for unilateral vocal fold paralysis or paresis.

Keywords:
Injection augmentationMedialization laryngoplastyOutcomeVocal fold paralysisVocal fold paresis

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Area of Science:

  • Otolaryngology
  • Laryngology
  • Speech and Voice Science

Background:

  • Unilateral vocal fold paralysis or paresis (VFP) often necessitates surgical intervention.
  • Medialization laryngoplasty (ML) is a common surgical procedure for VFP.
  • The role of prior vocal fold injection augmentation (IA) on ML outcomes is not well-established.

Purpose of the Study:

  • To evaluate the impact of preceding vocal fold injection augmentation (IA) on the success of subsequent medialization laryngoplasty (ML).
  • To assess if prior IA influences revision rates and long-term voice quality after ML.

Main Methods:

  • Retrospective cohort study analyzing clinical records of patients undergoing ML.
  • Comparison of patients with and without prior IA regarding demographics, VFP etiology, Voice Handicap Index-10 (VHI-10), and revision rates.
  • Follow-up telephone surveys assessed long-term outcomes using VHI-10 and a condition-specific questionnaire.

Main Results:

  • No significant difference in revision rates between patients with prior IA (8.9%) and those without (11.4%) (P=0.78).
  • Neither the type of injection material nor the interval between IA and ML affected revision rates.
  • Long-term follow-up VHI-10 scores showed no significant difference between the groups (P=0.73).

Conclusions:

  • Vocal fold injection augmentation does not appear to negatively affect the revision rate of subsequent medialization laryngoplasty.
  • Prior IA does not compromise long-term voice outcomes following ML for VFP.