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The adjustable laryngeal implant.

C M Dean1, C Ahmarani, M Bettez

  • 1America Institute for Voice and Ear Research, Philadelphia, Pennsylvania 19103, USA.

Journal of Voice : Official Journal of the Voice Foundation
|September 25, 2002
PubMed
Summary
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A new adjustable titanium laryngeal implant effectively treats unilateral vocal fold paralysis. This implant offers precise vocal fold medialization and improves speech and swallowing, with encouraging preliminary results.

Area of Science:

  • Otolaryngology
  • Biomedical Engineering

Background:

  • Unilateral vocal fold paralysis significantly impacts voice, speech, and swallowing.
  • Current treatment options for vocal fold paralysis have limitations.

Purpose of the Study:

  • To evaluate the clinical outcomes of a novel adjustable titanium laryngeal implant for medialization laryngoplasty in patients with unilateral vocal fold paralysis.

Main Methods:

  • A retrospective study assessing patients who received the adjustable titanium laryngeal implant.
  • Clinical outcomes were evaluated through subjective patient responses and objective voice analysis.

Main Results:

  • The adjustable titanium implant demonstrated precise medialization and ease of secondary adjustment.
  • Patients reported marked improvements in laryngeal function, speech, and swallowing.

Related Experiment Videos

  • Objective voice analysis showed improvements in aerodynamic measures.

    • Conclusions:

    • The adjustable laryngeal implant is a promising, biocompatible, and MRI-safe option for treating unilateral vocal fold paralysis.
    • It offers precise vocal fold medialization, preserves the mucosal wave, and avoids migration or extrusion.
    • Preliminary results suggest significant functional benefits for patients.