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Related Experiment Videos

Benign positional vertigo after cochlear implantation.

C J Limb1, H F Francis, L R Lustig

  • 1Department of Otolaryngology-Head and Neck Surgery, Outpatient Center, Johns Hopkins Hospital, Baltimore, MD 21287, USA. climb@jhmi.edu

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|May 12, 2005
PubMed
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Benign positional vertigo (BPV) is an uncommon complication following cochlear implantation (CI), but it occurs more often than in the general population. Diagnosis and treatment for BPV after CI are similar to those for BPV unrelated to cochlear implants.

Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Audiology

Background:

  • Cochlear implantation (CI) is a surgical procedure to treat severe to profound hearing loss.
  • Vertigo is a known potential side effect of CI, often attributed to vestibular hypofunction.
  • Benign positional vertigo (BPV) is a specific type of vestibular dysfunction characterized by brief, intense episodes of vertigo.

Purpose of the Study:

  • To identify patients who developed benign positional vertigo (BPV) after cochlear implantation (CI).
  • To investigate potential contributing factors to BPV development post-CI.
  • To understand the clinical course and treatment outcomes of BPV in CI recipients.

Main Methods:

  • Retrospective review of medical records of cochlear implant recipients at an academic tertiary referral center.

Related Experiment Videos

  • Identification of patients diagnosed with vertigo, specifically BPV, after CI.
  • Analysis of preoperative, intraoperative, and postoperative factors associated with BPV development.

    • Main Results:

    • Twelve patients were newly diagnosed with BPV after CI.
    • The onset of BPV varied, with a mean of 292 days post-procedure.
    • BPV did not impact cochlear implant performance; 11 of 12 patients successfully treated with the Epley maneuver and vestibular exercises.

    Conclusions:

    • BPV is an infrequent but recognized complication of cochlear implantation.
    • Proposed mechanisms include surgical bone dust introduction or otoconia dislodgement.
    • BPV following CI shares similar diagnostic, therapeutic, and prognostic profiles with non-CI-associated BPV.