Cochlear implantation (CI) is a well-known surgical procedure to rehabilitate patients with severe to profound sensorineural hearing loss. Indications for this surgery have expanded in the last 10 years including bilateral CI. Although CI has been described as a safe procedure with few major complications, it may have an adverse effect on the vestibular functions and produce dizziness. Prevalence of postoperative dizziness varies widely in the literature and is said to affect between 2% - 47%.
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Head thrust test
Timeframe: baseline
Bruininks-Oseretsky test of motor proficiency (BOT-2)
Timeframe: baseline
Caloric test
Timeframe: baseline
Vestibular evoked myogenic potentials (VEMPs)
Timeframe: baseline