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Angular Electrode Insertion Depth and Speech Perception in Adults With a Cochlear Implant: A Systematic Review

OBJECTIVE: By discussing the design, findings, strengths, and weaknesses of available studies investigating the influence of angular insertion depth on speech perception, we intend to summarize the current status of evidence; and using evidence based conclusions, possibly contribute to the determina...

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Autores principales: Heutink, Floris, de Rijk, Simone R., Verbist, Berit M., Huinck, Wendy J., Mylanus, Emmanuel A. M.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Lippincott Williams & Wilkins 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6641467/
https://www.ncbi.nlm.nih.gov/pubmed/31135680
http://dx.doi.org/10.1097/MAO.0000000000002298
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author Heutink, Floris
de Rijk, Simone R.
Verbist, Berit M.
Huinck, Wendy J.
Mylanus, Emmanuel A. M.
author_facet Heutink, Floris
de Rijk, Simone R.
Verbist, Berit M.
Huinck, Wendy J.
Mylanus, Emmanuel A. M.
author_sort Heutink, Floris
collection PubMed
description OBJECTIVE: By discussing the design, findings, strengths, and weaknesses of available studies investigating the influence of angular insertion depth on speech perception, we intend to summarize the current status of evidence; and using evidence based conclusions, possibly contribute to the determination of the optimal cochlear implant (CI) electrode position. DATA SOURCES: Our search strategy yielded 10,877 papers. PubMed, Ovid EMBASE, Web of Science, and the Cochrane Library were searched up to June 1, 2018. Both keywords and free-text terms, related to patient population, predictive factor, and outcome measurements were used. There were no restrictions in languages or year of publication. STUDY SELECTION: Seven articles were included in this systematic review. Articles eligible for inclusion: (a) investigated cochlear implantation of any CI system in adults with post-lingual onset of deafness and normal cochlear anatomy; (b) investigated the relationship between angular insertion depth and speech perception; (c) measured angular insertion depth on imaging; and (d) measured speech perception at, or beyond 1-year post-activation. DATA EXTRACTION AND SYNTHESIS: In included studies; quality was judged low-to-moderate and risk of bias, evaluated using a Quality-in-Prognostic-Studies-tool (QUIPS), was high. Included studies were too heterogeneous to perform meta-analyses, therefore, effect estimates of the individual studies are presented. Six out of seven included studies found no effect of angular insertion depth on speech perception. CONCLUSION: All included studies are characterized by methodological flaws, and therefore, evidence-based conclusions regarding the influence of angular insertion depth cannot be drawn to date.
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spelling pubmed-66414672019-09-16 Angular Electrode Insertion Depth and Speech Perception in Adults With a Cochlear Implant: A Systematic Review Heutink, Floris de Rijk, Simone R. Verbist, Berit M. Huinck, Wendy J. Mylanus, Emmanuel A. M. Otol Neurotol Cochlear Implants OBJECTIVE: By discussing the design, findings, strengths, and weaknesses of available studies investigating the influence of angular insertion depth on speech perception, we intend to summarize the current status of evidence; and using evidence based conclusions, possibly contribute to the determination of the optimal cochlear implant (CI) electrode position. DATA SOURCES: Our search strategy yielded 10,877 papers. PubMed, Ovid EMBASE, Web of Science, and the Cochrane Library were searched up to June 1, 2018. Both keywords and free-text terms, related to patient population, predictive factor, and outcome measurements were used. There were no restrictions in languages or year of publication. STUDY SELECTION: Seven articles were included in this systematic review. Articles eligible for inclusion: (a) investigated cochlear implantation of any CI system in adults with post-lingual onset of deafness and normal cochlear anatomy; (b) investigated the relationship between angular insertion depth and speech perception; (c) measured angular insertion depth on imaging; and (d) measured speech perception at, or beyond 1-year post-activation. DATA EXTRACTION AND SYNTHESIS: In included studies; quality was judged low-to-moderate and risk of bias, evaluated using a Quality-in-Prognostic-Studies-tool (QUIPS), was high. Included studies were too heterogeneous to perform meta-analyses, therefore, effect estimates of the individual studies are presented. Six out of seven included studies found no effect of angular insertion depth on speech perception. CONCLUSION: All included studies are characterized by methodological flaws, and therefore, evidence-based conclusions regarding the influence of angular insertion depth cannot be drawn to date. Lippincott Williams & Wilkins 2019-08 2019-05-17 /pmc/articles/PMC6641467/ /pubmed/31135680 http://dx.doi.org/10.1097/MAO.0000000000002298 Text en Copyright © 2019 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of Otology & Neurotology, Inc. http://creativecommons.org/licenses/by-nc-nd/4.0 This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. http://creativecommons.org/licenses/by-nc-nd/4.0
spellingShingle Cochlear Implants
Heutink, Floris
de Rijk, Simone R.
Verbist, Berit M.
Huinck, Wendy J.
Mylanus, Emmanuel A. M.
Angular Electrode Insertion Depth and Speech Perception in Adults With a Cochlear Implant: A Systematic Review
title Angular Electrode Insertion Depth and Speech Perception in Adults With a Cochlear Implant: A Systematic Review
title_full Angular Electrode Insertion Depth and Speech Perception in Adults With a Cochlear Implant: A Systematic Review
title_fullStr Angular Electrode Insertion Depth and Speech Perception in Adults With a Cochlear Implant: A Systematic Review
title_full_unstemmed Angular Electrode Insertion Depth and Speech Perception in Adults With a Cochlear Implant: A Systematic Review
title_short Angular Electrode Insertion Depth and Speech Perception in Adults With a Cochlear Implant: A Systematic Review
title_sort angular electrode insertion depth and speech perception in adults with a cochlear implant: a systematic review
topic Cochlear Implants
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6641467/
https://www.ncbi.nlm.nih.gov/pubmed/31135680
http://dx.doi.org/10.1097/MAO.0000000000002298
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