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Cochlear implantation in delayed sudden hearing loss after conservative vestibular schwannoma surgery

This is a case of successful cochlear implantation in a 50-year-old man who experienced sudden hearing loss and developed ipsilateral severe tinnitus at three years following conservative stage 1 vestibular schwannoma retrosigmoid surgery. After cochlear implantation, tinnitus improved from THI grad...

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Detalles Bibliográficos
Autores principales: Dagna, F., Murri, A., Albera, R., Cuda, D.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Pacini Editore SRL 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5225800/
https://www.ncbi.nlm.nih.gov/pubmed/27070537
http://dx.doi.org/10.14639/0392-100X-561
Descripción
Sumario:This is a case of successful cochlear implantation in a 50-year-old man who experienced sudden hearing loss and developed ipsilateral severe tinnitus at three years following conservative stage 1 vestibular schwannoma retrosigmoid surgery. After cochlear implantation, tinnitus improved from THI grade 4 to 2. Localisation skills improved. Hearing in noise (S/N + 7 dB) with target signal from the operated side improved from 38 to 100% of correct answers. A significant improvement of spatial and speech items of the "speech, spatial and qualities of sounds" questionnaire was also measured. In conclusion, cochlear implantation is a feasible and effective solution after conservative vestibular schwannoma surgery should delayed hearing loss occur.