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PubMed · 9473085

Vestibular stimulation by multichannel cochlear implants.

M L Bance·M O'Driscoll·E Giles·R T Ramsden
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Abstract

The recipient of a Nucleus 22 multichannel cochlear implant began to experience severe vestibular stimulation related to the implant. This patient's experience initiated a study with the objective of determining the frequency of implant-related vestibulo-ocular stimulation. Subjects consisted of 17 randomly selected patients who use cochlear implants. Included in the study were 14 Nucleus 22 and three Med-El Combi 40-devices. Stimulation of the implants was performed both by individual channel and with sound field broad-band 80-dB noise using the users' normal device settings. Eye movements were monitored with infrared videonystagmography. Only one subject, who used a Med-El Combi 40, showed a consistent and strong ocular response to cochlear stimulation but had no subjective symptoms. The authors conclude that vestibulo-ocular activation is possible with multichannel cochlear implants but is infrequent and may not be clinically significant.

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Cochlear ImplantsEquipment DesignFemaleHumansMaleMiddle AgedNystagmus, PhysiologicReflex, Vestibulo-OcularVestibule, LabyrinthCase ReportsClinical TrialJournal ArticleRandomized Controlled Trial

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BibTeXRIS

M L Bance, M O'Driscoll, E Giles, R T Ramsden. 1998. Vestibular stimulation by multichannel cochlear implants.. https://doi.org/10.1097/00005537-199802000-00025

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