Predicting Sequential Cochlear Implantation Performance: A Systematic Review

Yvette Smulders, Thomas Hendriks, Robert Eikelboom, Inge Stegeman, Peter Santa Maria, Marcus Atlas, Peter Friedland

    Research output: Contribution to journalReview articlepeer-review

    6 Citations (Scopus)

    Abstract

    This systematic review of the literature reveals which pre-operative factors affect sequential cochlear implantation outcomes in adults. The findings can help health care prof-essionals provide evidence-based advice on the expected benefits from a second cochlear implant (CI). We searched PubMed, EMBASE, and the Cochrane database from November 1977 to August 26, 2017, using the terms "sequential cochlear implantation"; the most frequently cited predictors for unilateral cochlear implantation performance and other potential predictors for sequential implantation outcome; and "speech perception," "localization" as well as synonyms of all of the above. Ten studies were included. The effects of age, duration of hearing loss, time between implantations, preoperative hearing, etiology of hearing loss, hearing aid use and duration of follow-up on sequential cochlear implantation performance were studied. The literature has shown that duration of deafness, age at onset of deafness, etiology of hearing loss, and preoperative speech perception score are (inversely) related to unilateral cochlear implantation outcome in adults. One would expect that these factors would also affect sequential bilateral implantation outcome. However, the best available evidence to date shows that advanced age, a long duration of deafness, or a long interval between implantations should not be considered negative factors when considering sequential bilateral cochlear implantation.

    Original languageEnglish
    Pages (from-to)356-363
    Number of pages8
    JournalAudiology and Neurotology
    Volume22
    Issue number6
    DOIs
    Publication statusPublished - 1 Jul 2018

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