Medialization thyroplasty versus injection laryngoplasty for unilateral vocal fold paralysis: A comparative analysis of functional outcomes

James Paul Dworkin, Anand G. Shah, Robert J. Stachler, Robert J. Meleca

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The primary objective of this investigation was to determine whether medialization thyroplasty (MT) or injection laryngoplasty (IL) offered significant short- and long-term functional improvements in vocal function in patients with unilateral vocal fold paralysis (UVFP). Prospective analyses of 10 patients who received MT were compared to similar data obtained from a companion subgroup of 10 patients who underwent IL. Specifically, videostoboscopic data, audio recordings, maximum phonation time (MPT), and dysphagia questionnaires were obtained pre- and postoperatively at various intervals. These examinations were conducted in a university-based, speech, voice, and swallowing physiology clinic and laboratory. Results revealed that both MT and IL promoted significant improvements in MPT. For the IL subjects, these gains lasted less than 6 months. For the MT subjects, the gains were sustained over a much longer period. Only the MT subjects demonstrated significant and long-term improvements in perceptual voice ratings postoperatively. Improvements in swallowing proficiency were noted in both the MT and IL subgroups, but the gains were not significant. A useful algorithm is provided for behavioral and surgical management of UVFP patients.

Original languageEnglish (US)
Pages (from-to)1-11
Number of pages11
JournalJournal of Medical Speech-Language Pathology
Volume14
Issue number1
StatePublished - Mar 1 2006
Externally publishedYes

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Rehabilitation
  • Speech and Hearing

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