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Single-channel to multichannel conversions in adult cochlear implant subjects
Journal article   Peer reviewed

Single-channel to multichannel conversions in adult cochlear implant subjects

J T Rubinstein, W S Parkinson, M W Lowder, B J Gantz, J B Nadol Jr and R S Tyler
The American journal of otology (New York, N.Y.), Vol.19(4), pp.461-466
07/1998
PMID: 9661755

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Abstract

This study aimed to compare open-set speech perception of single-channel with multichannel cochlear implants in the same ear of postlingually deafened adults. The study design was a retrospective case and literature review. The study was conducted at a tertiary referral center with an associated veterans administration hospital. Postlingually deafened adults with at least 6 months of experience with a single-channel cochlear implant were studied. Replacement of a single-channel with a multichannel cochlear implant in the same ear was performed. Open-set word and sentence perception scores at least 6 months after single-channel implantation and multichannel reimplantation were measured. Six of six patients had substantial improvement in open-set speech recognition after reimplantation of the same ear. Removal of a functioning single-channel implant and replacement with a multichannel device are appropriate in postlingually deafened adults who desire better speech recognition.
Reoperation Humans Middle Aged Male Speech Reception Threshold Test Equipment Design Temporal Bone - pathology Spiral Ganglion - pathology Cochlear Implantation - instrumentation Adult Female Retrospective Studies Deafness - surgery

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