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A Journal on Otorhinolaryngology, Head and Neck Surgery,
Plastic Reconstructive Surgery, Otoneurosurgery
Indexed/Abstracted in: EMBASE, Scopus
Otorinolaringologia 2012 December;62(4):183-90
Expanding cochlear implantation to patients with residual mid and high frequency hearing
Rodgers B., Prentiss S., Staecker H.
Department of Otolaryngology-Head and Neck Surgery, University of Kansas Medical Center, Kansas City, KS, USA
AIM: Cochlear implantation has long been indicated to restore profound hearing loss and is the most effective intervention for patients who do not benefit from standard amplification. Recent innovations in implant design and surgical technique have expanded and allowed implantation with preservation of residual hearing for those patients with ski-slope hearing loss and poor discrimination. In these cases the goal is shallow to mid depth implantation in order to restore as much hearing as possible while preserving apical low frequency acoustic hearing.
METHODS:We report a series of ears with up sloping hearing loss deeply implanted with custom thin electrodes in which residual hearing is preserved. These patients were poor hearing aid users and required restoration of hearing in the low frequencies.
RESULTS AND CONCLUSION: This represents a change in the previous practice of avoiding implantation of areas with residual hearing. These cases demonstrate the feasibility of preservation of acoustic hearing in all frequency regions and represent an opportunity to further expand cochlear implantation to novel patient populations.