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Eur Arch Otorhinolaryngol. 2009 Aug;266(8):1199-203. doi: 10.1007/s00405-008-0886-3. Epub 2008 Dec 11.

Vestibular rehabilitation with electrotactile vestibular substitution: early effects.

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  • 1Department of Otorhinolaryngology, Balance Center, Acibadem Oncology and Neurology Hospital, Istanbul, Turkey.


We aimed to determine the early efficacy of vestibular rehabilitation with electrotactile vestibular substitution system (EVSS) as a new treatment modality in patients with bilateral vestibular loss due to aminoglycoside-induced ototoxicity. Six men and four women with bilateral vestibular failure were rehabilitated with EVSS prospectively. Patients were trained with EVSS for ten sessions each lasted 20 min, two sessions per day. Sensory organization test (SOT) protocol and dizziness handicap inventory (DHI) were used to compare pre- and post-training results of the rehabilitative treatment. Post-training tests were done at the first day of post-treatment period. All ten patients in the standardized testing subset demonstrated improved scores in the composite SOT scores and in the functional transfer testing with DHI after 5 days of training with the EVSS. In conclusion, these preliminary results demonstrate efficacy of the EVSS in improving patients symptoms and signs and signify the evidence of sensory substitution in the early post-training period.

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