Journal
CURRENT OPINION IN OTOLARYNGOLOGY & HEAD AND NECK SURGERY
Volume 22, Issue 5, Pages 353-358Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MOO.0000000000000080
Keywords
bone-anchored hearing aid; cochlear implant; contralateral routing of sound; osseointegrated implant; single-sided deafness; sound localization; speech discrimination; unilateral hearing loss
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Funding
- National Institutes on Deafness and Other Communication Disorders, National Institutes of Health [P50DC000242]
- Lions Clubs International Foundation
- Iowa Lions Foundation
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Purpose of review Recently, more patients with single-sided deafness (SSD) have been undergoing cochlear implantation. We review recent studies and case reports to provide an overview of the efficacy of cochlear implants to rehabilitate patients with SSD with regards to sound localization, speech discrimination, and tinnitus suppression. Recent findings There are a growing number of studies evaluating the effect of cochlear implantation for rehabilitation of the deficits associated with SSD over the past several years as more centers offer this treatment modality to patients with SSD. Although individual studies have few patients and are underpowered, the vast majority report improvement in sound localization, speech understanding in quiet and noise, and tinnitus. In some cases, the outcomes with cochlear implant appear superior to those achieved with other devices, including contralateral routing of sound devices and osseointegrated implants. Summary Although cochlear implant is not a Food and Drug Administration-approved treatment for SSD, several recent studies show improvements in speech understanding, sound localization, and tinnitus. Because of the low number of cases, it is difficult to conclusively compare outcomes achieved with cochlear implants and those provided by other devices. However, on the basis of encouraging early results and the unique ability to restore binaural sound processing, a growing number of centers offer cochlear implants
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