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Cochlear implantation with large vestibular aqueduct syndrome.

Richard T Miyamoto1, Bradford G Bichey, Michael K Wynne

  • 1Department of Otolaryngology-Head and Neck Surgery, Indiana University School of Medicine, Indianapolis, Indiana 46202-5230, U.S.A. rmiyamot@iupui.edu

The Laryngoscope
|August 10, 2002
PubMed
Summary

Cochlear implantation is effective for patients with large vestibular aqueduct syndrome (LVAS), showing similar auditory and speech recognition outcomes compared to controls. This supports cochlear implants as a treatment option for progressive hearing loss in LVAS.

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Area of Science:

  • Otolaryngology
  • Audiology
  • Neurosurgery

Background:

  • Large vestibular aqueduct syndrome (LVAS) is a congenital inner ear malformation.
  • Hearing loss in LVAS can be progressive, often leading to profound deafness.
  • Cochlear implantation is a potential intervention for hearing restoration.

Purpose of the Study:

  • To evaluate the outcomes of cochlear implantation in patients with LVAS.
  • To compare the performance of cochlear implant users with LVAS to a matched control group.

Main Methods:

  • Retrospective case-control study of 23 patients with LVAS (14 adults, 9 children) and 46 controls.
  • Patients received Nucleus, Clarion, or Med-El cochlear implants.
  • Auditory and speech recognition performance metrics were compared between groups.

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Main Results:

  • Both pediatric and adult groups with LVAS showed positive outcomes post-cochlear implantation.
  • No significant difference in auditory and speech recognition performance was observed between LVAS patients and controls.
  • Cochlear implantation demonstrated comparable efficacy in both groups.

Conclusions:

  • Cochlear implantation is a beneficial treatment for patients with LVAS.
  • It can be considered for individuals with LVAS experiencing profound hearing loss.
  • The study provides further evidence supporting cochlear implantation in the management of LVAS-related hearing impairment.