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Related Experiment Videos

Tinnitus, cochlear implants and how they affect patients.

R Demajumdar1, R Stoddart, I Donaldson

  • 1Department of Otolaryngology, University Hospital Birmingham, Queen Elizabeth Hospital, Edgbaston, UK.

The Journal of Laryngology and Otology. Supplement
|February 9, 2000
PubMed
Summary

Cochlear implantation significantly suppresses tinnitus in both ears, with effects enhanced when the device is active. Tinnitus presence did not negatively impact patient performance after implantation, suggesting implanting the more affected ear is beneficial.

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Area of Science:

  • Otolaryngology
  • Neuroscience
  • Audiology

Background:

  • Tinnitus is a common auditory symptom.
  • Its relationship with cochlear implantation (CI) requires clarification as it may influence device use.
  • Understanding this link is crucial for patient selection and managing expectations.

Purpose of the Study:

  • To investigate the effect of cochlear implantation on tinnitus.
  • To assess the impact of tinnitus on cochlear implant performance.
  • To provide recommendations for surgical ear selection in patients with tinnitus.

Main Methods:

  • A study involving 99 patients over 15 years old.
  • Pre- and post-cochlear implantation questionnaires were administered.
  • Objective performance testing was conducted with the implant on and off.

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Main Results:

  • Significant tinnitus suppression was observed in both the implanted and contralateral ears post-implantation.
  • Tinnitus suppression was further enhanced when the cochlear implant was activated.
  • Pre-existing or post-implantation tinnitus did not adversely affect patient performance outcomes.

Conclusions:

  • Cochlear implantation offers substantial tinnitus relief.
  • The presence of tinnitus does not hinder cochlear implant efficacy.
  • It is recommended to implant the ear with the most severe tinnitus, if other factors are favorable.