{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T06:14:38Z","timestamp":1788156878378,"version":"build-2803163510"},"reference-count":11,"publisher":"Springer Science and Business Media LLC","license":[{"start":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T00:00:00Z","timestamp":1788134400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T00:00:00Z","timestamp":1788134400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100004770","name":"Universit\u00e0 degli Studi di Parma","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100004770","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Eur Arch Otorhinolaryngol"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Complete ossification of the basal turn of the cochlea represents a major challenge inrevision cochlear implantation, particularly in post-traumatic cases. Otic capsule violating temporal bone fractures need to be carefully managed to avoid future possible meningeal infections.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To describe our surgical technique of middle turn cochleostomy combined with subtotal petrosectomy for revision cochlear implantation in the setting of total basal turn ossification due to an otic capsule-violating temporal bone fracture.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We report a case of failed primary cochlear implantation due to post-traumatic ossification of the basal turn. Revision surgery was performed using subtotal petrosectomy to achieve wide exposure of the promontory. After removal of the previous device and confirmation of complete ossification of both scala tympani and scala vestibuli at the basal turn, promontory drilling was extended superiorly to identify and open the middle turn of the cochlea, allowing full electrode insertion.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Complete insertion of the new electrode array was achieved through the middle turn. Postoperative imaging confirmed appropriate positioning, facial nerve function was preserved, and the patient experienced improvement in auditory thresholds.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>In cases of total basal turn ossification, middle turn cochleostomy following subtotal petrosectomy represents a feasible and safe alternative to enable cochlear implantation in selected revision cases.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00405-026-10501-8","type":"journal-article","created":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T05:25:42Z","timestamp":1788153942000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Revision Cochlear Implantation via Middle Turn Insertion in Post-Traumatic Basal Turn Ossification"],"prefix":"10.1007","author":[{"ORCID":"https:\/\/orcid.org\/0009-0002-1033-0938","authenticated-orcid":false,"given":"Daniele","family":"Fasanella","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maurizio","family":"Guida","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2455-8298","authenticated-orcid":false,"given":"Maurizio","family":"Falcioni","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,8,31]]},"reference":[{"key":"10501_CR1","doi-asserted-by":"publisher","first-page":"2833","DOI":"10.1002\/lary.26533","volume":"127","author":"SC Prasad","year":"2017","unstructured":"Prasad SC, Roustan V, Piras G, Caruso A, Lauda L, Sanna M (2017) Subtotal petrosectomy: Surgical technique, indications, outcomes, and comprehensive review of literature. Laryngoscope 127:2833\u20132842. https:\/\/doi.org\/10.1002\/lary.26533","journal-title":"Laryngoscope"},{"key":"10501_CR2","doi-asserted-by":"publisher","first-page":"113","DOI":"10.3390\/audiolres12020014","volume":"12","author":"I Ar\u00edstegui","year":"2022","unstructured":"Ar\u00edstegui I, Aranguez G, Casqueiro JC, Guti\u00e9rrez-Triguero M, Del Pozo A, Ar\u00edstegui M (2022) Subtotal Petrosectomy (SP) in Cochlear Implantation (CI): A Report of 92 Cases. Audiol Res 12:113\u2013125. https:\/\/doi.org\/10.3390\/audiolres12020014","journal-title":"Audiol Res"},{"key":"10501_CR3","doi-asserted-by":"publisher","first-page":"320","DOI":"10.1007\/s12070-020-01819-8","volume":"72","author":"R Kurkure","year":"2020","unstructured":"Kurkure R, Rayamajhi P, Castellino A, Dharmarajan S, Dham R, Natarajan K et al (2020) Subtotal Petrosectomy in Cochlear Implant Surgery: Our Experience. Indian J Otolaryngol Head Neck Surg 72:320\u2013325. https:\/\/doi.org\/10.1007\/s12070-020-01819-8","journal-title":"Indian J Otolaryngol Head Neck Surg"},{"key":"10501_CR4","doi-asserted-by":"publisher","first-page":"251","DOI":"10.1159\/000027755","volume":"62","author":"J Kiefer","year":"2000","unstructured":"Kiefer J, Weber A, Pfennigdorff T, von Ilberg C (2000) Scala vestibuli insertion in cochlear implantation: a valuable alternative for cases with obstructed scala tympani. ORL J Otorhinolaryngol Relat Spec 62:251\u2013256. https:\/\/doi.org\/10.1159\/000027755","journal-title":"ORL J Otorhinolaryngol Relat Spec"},{"key":"10501_CR5","doi-asserted-by":"publisher","first-page":"467","DOI":"10.1067\/mhn.2000.107406","volume":"123","author":"V Colletti","year":"2000","unstructured":"Colletti V, Fiorino FG, Carner M, Sacchetto L, Giarbini N (2000) New approach for cochlear implantation: Cochleostomy through the middle fossa. Otolaryngol Head Neck Surg 123:467\u2013474. https:\/\/doi.org\/10.1067\/mhn.2000.107406","journal-title":"Otolaryngol Head Neck Surg"},{"key":"10501_CR6","doi-asserted-by":"publisher","first-page":"17","DOI":"10.1097\/MAO.0000000000001613","volume":"39","author":"A Vashishth","year":"2018","unstructured":"Vashishth A, Fulcheri A, Prasad SC, Bassi M, Rossi G, Caruso A et al (2018) Cochlear Implantation in Cochlear Ossification: Retrospective Review of Etiologies, Surgical Considerations, and Auditory Outcomes. Otology Neurotology 39:17\u201328. https:\/\/doi.org\/10.1097\/MAO.0000000000001613","journal-title":"Otology Neurotology"},{"key":"10501_CR7","doi-asserted-by":"publisher","first-page":"239","DOI":"10.1016\/j.otot.2010.10.005","volume":"21","author":"MH Hohman","year":"2010","unstructured":"Hohman MH, Backous DD (2010) Techniques for cochlear implant electrode placement in the ossified cochlea. Oper Tech Otolayngol Head Neck Surg 21:239\u2013242. https:\/\/doi.org\/10.1016\/j.otot.2010.10.005","journal-title":"Oper Tech Otolayngol Head Neck Surg"},{"key":"10501_CR8","doi-asserted-by":"publisher","first-page":"2200","DOI":"10.1097\/MLG.0b013e318182ee1c","volume":"118","author":"B Isaacson","year":"2008","unstructured":"Isaacson B, Roland PS, Wright CG (2008) Anatomy of the middle-turn cochleostomy. Laryngoscope 118:2200\u20132204. https:\/\/doi.org\/10.1097\/MLG.0b013e318182ee1c","journal-title":"Laryngoscope"},{"key":"10501_CR9","doi-asserted-by":"publisher","first-page":"5091","DOI":"10.1007\/s00405-025-09431-8","volume":"282","author":"L Morelli","year":"2025","unstructured":"Morelli L, Damam SK, Yilala MH, Fancello G, Ferraro M, Caruso A et al (2025) Subtotal petrosectomy in cochlear implantation: Gruppo Otologico experience after 348 cases. 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Otol Neurotol 46:e487\u2013e496. https:\/\/doi.org\/10.1097\/MAO.0000000000004626","journal-title":"Otol Neurotol"}],"container-title":["European Archives of Oto-Rhino-Laryngology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00405-026-10501-8.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00405-026-10501-8","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00405-026-10501-8.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T05:25:43Z","timestamp":1788153943000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00405-026-10501-8"}},"subtitle":["Revision cochlear implantation"],"short-title":[],"issued":{"date-parts":[[2026,8,31]]},"references-count":11,"alternative-id":["10501"],"URL":"https:\/\/doi.org\/10.1007\/s00405-026-10501-8","relation":{},"ISSN":["0937-4477","1434-4726"],"issn-type":[{"value":"0937-4477","type":"print"},{"value":"1434-4726","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,8,31]]},"assertion":[{"value":"14 February 2026","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"14 July 2026","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"31 August 2026","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"The Authors declare that there is no conflict of interest.","order":1,"name":"Ethics","label":"Conflict of Interest","group":{"name":"EthicsHeading","label":"Declarations"}}]}}