The effect of cochlear implantation on the auditory and vestibular function
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2017-04-25
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en
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Given the changing criteria for cochlear implant (CI) candidates, an increasing number of people with preoperatively residual hearing and vestibular function are qualified for cochlear implantation. It is known that during surgery, the electrode that is placed into the cochlea might cause damage to the auditory and vestibular system. There is a lack of knowledge about the impact of structural damage in CI patients in the Radboudumc. Therefore, there is a need for a complete database, which includes data of both vestibular as auditory measurement. The purpose of the present study is to determine the impact of surgery to the vestibular and auditory function. The influence of age and cause of deafness will be determined, to optimize preoperative counseling of patients’ risks and benefits of a CI. Up to now, it seemed that the only way to assess the vestibular function was the velocity step test (VST) or irrigation. Because of the increasing knowledge of vestibular physiology, the video Head Impulse Test (vHIT) became more important since it can investigate all semicircular canals of the vestibular system. Not only the influence of the CI on objective tests will be evaluated, subjective measurement through Dizziness Handicap Inventory (DHI) is also evaluated.
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