{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,2]],"date-time":"2026-11-02T12:03:57Z","timestamp":1793621037860,"version":"4.5.0"},"reference-count":61,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2022,7,1]],"date-time":"2022-07-01T00:00:00Z","timestamp":1656633600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Surg."],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>The last two decades have demonstrated that preoperative functional acoustic hearing (residual hearing) can be preserved during cochlear implant (CI) surgery. However, the relationship between the electrode array length and postoperative hearing preservation (HP) with lateral wall flexible electrode variants is still under debate.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Aims\/Objectives<\/jats:title>\n                    <jats:p>This is a systematic literature review that aims to analyze the HP rates of patients with residual hearing for medium-length and longer-length lateral wall electrodes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>\n                      A systematic literature review methodology was applied following the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) recommendations to evaluate the HP rates of medium-length and longer-length lateral wall electrodes from one CI manufacturer (medium length FLEX 24, longer length FLEX 28 and FLEX SOFT, MED-EL, Innsbruck, Austria). A search using search engine PubMed (\n                      <jats:ext-link>https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/<\/jats:ext-link>\n                      ) was performed using the search terms \u201chearing preservation\u201d or \u201cresidual hearing\u201d and \u201ccochlear implant\u201d in \u201cAll fields.\u201d Articles published only in English between January 01, 2009 and December 31, 2020 were included in the search.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The HP rate was similar between medium-length (93.4%\u201393.5%) and longer (92.1%\u201386.8%) electrodes at 4 months (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.689) and 12 months (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.219). In the medium-length electrode group, patients under the age of 45 years had better HP than patients above the age of 45 years.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Both medium-length and longer electrode arrays showed high hearing preservation rates. Considering the hearing deterioration over time, implanting a longer electrode at primary surgery should be considered, thus preventing the need for future reimplantation.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fsurg.2022.893839","type":"journal-article","created":{"date-parts":[[2022,7,1]],"date-time":"2022-07-01T02:03:33Z","timestamp":1656641013000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":41,"title":["Systematic Literature Review of Hearing Preservation Rates in Cochlear Implantation Associated With Medium- and Longer-Length Flexible Lateral Wall Electrode Arrays"],"prefix":"10.3389","volume":"9","author":[{"given":"Paul H","family":"Van de Heyning","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefan","family":"Dazert","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Javier","family":"Gavilan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luis","family":"Lassaletta","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Artur","family":"Lorens","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gunesh P","family":"Rajan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Henryk","family":"Skarzynski","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Piotr H","family":"Skarzynski","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dayse","family":"Tavora-Vieira","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vedat","family":"Topsakal","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shin-ichi","family":"Usami","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vincent","family":"Van Rompaey","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nora M","family":"Weiss","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marek","family":"Polak","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2022,7,1]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"i","DOI":"10.1080\/00016489.2021.1918399","article-title":"Thirty years of translational research behind MED-EL","volume":"141","author":"Dhanasingh","year":"2021","journal-title":"Acta Otolaryngol"},{"key":"B2","first-page":"CS20-4","article-title":"A new method of partial deafness treatment","volume":"9","author":"Skarzy\u0144ski","year":"2003","journal-title":"Med Sci Monit"},{"key":"B3","doi-asserted-by":"publisher","first-page":"934","DOI":"10.1080\/00016480600606632","article-title":"Partial deafness cochlear implantation provides benefit to a new population of individuals with hearing loss","volume":"126","author":"Skarzynski","year":"2006","journal-title":"Acta Otolaryngol"},{"key":"B4","doi-asserted-by":"publisher","first-page":"334","DOI":"10.1159\/000027695","article-title":"Electric-acoustic stimulation of the auditory system. 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