Bimodal Hearing Aid Retention after Unilateral Cochlear Implantation

E.M.J. Devocht*, E.L.J. George, A.M.L. Janssen, R.J. Stokroos

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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The goal of this study was to investigate contralateral hearing aid (HA) use after unilateral cochlear implantation and to identify factors of influence on the occurrence of a unilateral cochlear implant (CI) recipient becoming a bimodal user. A retrospective cross-sectional chart review was carried out among 77 adult unilateral CI recipients 1 year after implantation. A bimodal HA retention rate of 64% was observed. Associations with demographics, hearing history, residual hearing and speech recognition ability were investigated. Better pure-tone thresholds and unaided speech scores in the non-implanted ear, as well as a smaller difference in speech recognition scores between both ears, were significantly associated with HA retention. A combined model of HA retention was proposed, and cut-off points were determined to identify those CI recipients who were most likely to become bimodal users. These results can provide input to clinical guidelines concerning bimodal CI candidacy.
Original languageEnglish
Pages (from-to)383-393
JournalAudiology and Neurotology
Issue number6
Publication statusPublished - 1 Jan 2015


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