Pre-, per- and postoperative factors affecting performance of postlinguistically deaf adults using cochlear implants: A new conceptual model over time

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dc.contributor.authorLazard, Diane
dc.contributor.authorVincent, Christophe
dc.contributor.authorVenail, Frédéric
dc.contributor.authorVan de Heyning, Paul
dc.contributor.authorTruy, Eric
dc.contributor.authorSterkers, Olivier
dc.contributor.authorSkarzynski, Piotr
dc.contributor.authorSkarzynski, Henryk
dc.contributor.authorSchauwers, Karen
dc.contributor.authorO’Leary, Stephen
dc.contributor.authorMawman, Deborah
dc.contributor.authorMaat, Bert
dc.contributor.authorKleine-Punte, Andrea
dc.contributor.authorHuber, Alexander
dc.contributor.authorGreen, Kevin
dc.contributor.authorGovaerts, Paul
dc.contributor.authorFraysse, Bernard
dc.contributor.authorDowell, Richard
dc.contributor.authorDillier, Norbert
dc.contributor.authorBurke, Elaine
dc.contributor.authorBeynon, Andy
dc.contributor.authorBergeron, Franćois
dc.contributor.authorBaşken, Deniz
dc.contributor.authorArtiéres, Franćoise
dc.contributor.authorBlamey, Peter
dc.date.accessioned2013-07-04T02:15:45Z
dc.date.available2013-07-04T02:15:45Z
dc.date.issued2012-11
dc.description.abstractOBJECTIVE: To test the influence of multiple factors on cochlear implant (CI) speech performance in quiet and in noise for postlinguistically deaf adults, and to design a model of predicted auditory performance with a CI as a function of the significant factors. STUDY DESIGN: Retrospective multi-centre study. METHODS: Data from 2251 patients implanted since 2003 in 15 international centres were collected. Speech scores in quiet and in noise were converted into percentile ranks to remove differences between centres. The influence of 15 pre-, per- and postoperative factors, such as the duration of moderate hearing loss (mHL), the surgical approach (cochleostomy or round window approach), the angle of insertion, the percentage of active electrodes, and the brand of device were tested. The usual factors, duration of profound HL (pHL), age, etiology, duration of CI experience, that are already known to have an influence, were included in the statistical analyses. RESULTS: The significant factors were: the pure tone average threshold of the better ear, the brand of device, the percentage of active electrodes, the use of hearing aids (HAs) during the period of pHL, and the duration of mHL. CONCLUSIONS: A new model was designed showing a decrease of performance that started during the period of mHL, and became faster during the period of pHL. The use of bilateral HAs slowed down the related central reorganization that is the likely cause of the decreased performance.en_US
dc.description.sponsorshipMost of the authors of this paper are involved in the purchase and application of cochlear implants from one or more of the four largest manufacturers (Advanced Bionics, Cochlear Limited, Med-El, and Neurelec). Peter Blamey is a co-inventor of technologies used in the device manufactured by Cochlear Limited and formerly received a share of royalties from the University of Melbourne. He is not a shareholder in Cochlear and no longer receives royalties. The hearing aid company, Blamey & Saunders Hearing Pty Ltd, regularly refers people with severe-to-profound hearing loss to cochlear implant clinics whenever it seems likely that a CI will provide a better clinical outcome than a HA. The Bionics Institute has a small shareholding in Cochlear Limited. DL received travel support from Cochlear in 2010/11. Neurelec partially funded her PhD work in 2009/10, but was not involved in the research project (fMRI). This dataset is a very rare resource enabling comparison of different devices from different manufacturers and from different cochlear implant clinics and the data analysts (Blamey and Lazard) designed the study and analysis in a way that treats data for these different devices equivalently to avoid any possibility of bias. Statistically significant differences between the device brands were found in the analysis, and the device brands have been de-identified in the manuscript to avoid use of the data for commercial advantage. This has been a difficult decision because de-identification of the brands is also withholding important information about clinical outcomes from potentialen_US
dc.identifier.citationLazard, D. S., Vincent, C., Venail, F., Van de Heyning, P., & Truy, E. (2012). Pre-, per- and postoperative factors affecting performance of postlinguistically deaf adults using cochlear implants: A new conceptual model over time. PLoS ONE, 7(11), e48739.en_US
dc.identifier.issn1932-6203
dc.identifier.urihttp://repository.bionicsinstitute.org:8080/handle/123456789/36
dc.language.isoen_USen_US
dc.publisherPLOSen_US
dc.subjectAdolescenten_US
dc.subjectAdulten_US
dc.subjectAge Factorsen_US
dc.subjectAuditory Perceptionen_US
dc.subjectChilden_US
dc.subjectChild, Preschoolen_US
dc.subjectCochlear Implantationen_US
dc.subjectCochlear Implantsen_US
dc.subjectDeafness - Etiologyen_US
dc.subjectDeafness - Surgeryen_US
dc.subjectHearing Aidsen_US
dc.subjectHearing Loss - Etiologyen_US
dc.subjectHearing Loss - Surgeryen_US
dc.subjectLinear Modelsen_US
dc.subjectPerioperative Perioden_US
dc.subjectRetrospective Studiesen_US
dc.subjectRisk Factorsen_US
dc.subjectTreatment Outcomeen_US
dc.subjectYoung Adulten_US
dc.titlePre-, per- and postoperative factors affecting performance of postlinguistically deaf adults using cochlear implants: A new conceptual model over timeen_US
dc.typeArticleen_US
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