{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,18]],"date-time":"2026-04-18T03:46:27Z","timestamp":1776483987647,"version":"3.51.2"},"reference-count":15,"publisher":"Cambridge University Press (CUP)","issue":"6","license":[{"start":{"date-parts":[[2021,9,30]],"date-time":"2021-09-30T00:00:00Z","timestamp":1632960000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Laryngol. Otol."],"published-print":{"date-parts":[[2022,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec id=\"S0022215121002632_sec_a1\">\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>This study aimed to formulate a scoring system based on high-resolution computed tomography scans to predict ease of electrode insertion during cochlear implantation via posterior tympanotomy in paediatric patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S0022215121002632_sec_a2\" sec-type=\"methods\">\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>A scoring system Cochlear Implantation Radiological Assessment Score (CIRAS) was formulated based on six parameters. This score was correlated with intra-operative findings, and receiver operating characteristic analysis was performed to determine the optimal cut-off score to predict difficulty of surgery and to establish the inherent validity of the scoring system by area under curve.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S0022215121002632_sec_a3\" sec-type=\"results\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Receiver operating characteristic analysis showed that optimal cut-off score was 8 (93.1 per cent specificity and 56.52 per cent sensitivity), and area under the curve was 0.828. Patients with CIRAS of more than 8 had significantly higher time for surgery (\n                      <jats:italic>p<\/jats:italic>\n                      &lt; 0.05).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S0022215121002632_sec_a4\" sec-type=\"conclusions\">\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>CIRAS is an easy to administer tool by utilising classical axial and coronal sections, without any numerical measures. Pre-operative assessment by this score gives a good idea of intra-operative challenges.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1017\/s0022215121002632","type":"journal-article","created":{"date-parts":[[2021,9,30]],"date-time":"2021-09-30T03:04:39Z","timestamp":1632971079000},"page":"479-485","source":"Crossref","is-referenced-by-count":2,"title":["A high-resolution computed tomography based scoring system to predict ease of electrode insertion in cochlear implantation"],"prefix":"10.1017","volume":"136","author":[{"given":"A","family":"Das","sequence":"first","affiliation":[{"name":"Institute of Otorhinolaryngology and Head and Neck Surgery, Institute of Post-Graduate Medical Education and Research"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9425-7963","authenticated-orcid":false,"given":"M","family":"Janweja","sequence":"additional","affiliation":[{"name":"Institute of Otorhinolaryngology and Head and Neck Surgery, Institute of Post-Graduate Medical Education and Research"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A","family":"Dubey","sequence":"additional","affiliation":[{"name":"Institute of Otorhinolaryngology and Head and Neck Surgery, Institute of Post-Graduate Medical Education and Research"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S","family":"Mitra","sequence":"additional","affiliation":[{"name":"Institute of Otorhinolaryngology and Head and Neck Surgery, Institute of Post-Graduate Medical Education and Research"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A","family":"Sengupta","sequence":"additional","affiliation":[{"name":"Institute of Otorhinolaryngology and Head and Neck Surgery, Institute of Post-Graduate Medical Education and Research"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2021,9,30]]},"reference":[{"key":"S0022215121002632_ref8","doi-asserted-by":"publisher","DOI":"10.1007\/s12070-015-0858-z"},{"key":"S0022215121002632_ref12","doi-asserted-by":"publisher","DOI":"10.1097\/MAO.0000000000000644"},{"key":"S0022215121002632_ref2","doi-asserted-by":"publisher","DOI":"10.1111\/coa.12873"},{"key":"S0022215121002632_ref1","doi-asserted-by":"crossref","first-page":"137","DOI":"10.1055\/s-0038-1648247","article-title":"Surgeon oriented preoperative radiologic evaluation in cochlear implantation - Our experience with a proposed checklist","volume":"23","author":"Mandour","year":"2019","journal-title":"Int Arch Otorhinolaryngol"},{"key":"S0022215121002632_ref14","first-page":"1","article-title":"A suggested new classification system for the anatomic variations of the sigmoid sinus: a preliminary study","volume":"5","author":"Sun","year":"2009","journal-title":"J Int Adv Otol"},{"key":"S0022215121002632_ref5","doi-asserted-by":"publisher","DOI":"10.1159\/000081887"},{"key":"S0022215121002632_ref6","doi-asserted-by":"publisher","DOI":"10.1097\/MLG.0b013e3181453a6c"},{"key":"S0022215121002632_ref13","doi-asserted-by":"publisher","DOI":"10.5152\/iao.2018.4229"},{"key":"S0022215121002632_ref4","doi-asserted-by":"publisher","DOI":"10.1177\/1084713809336422"},{"key":"S0022215121002632_ref15","doi-asserted-by":"publisher","DOI":"10.1097\/00005537-199708000-00017"},{"key":"S0022215121002632_ref11","doi-asserted-by":"publisher","DOI":"10.3109\/00016489.2013.797602"},{"key":"S0022215121002632_ref7","doi-asserted-by":"publisher","DOI":"10.4103\/2156-7514.148264"},{"key":"S0022215121002632_ref3","first-page":"167","article-title":"Radiological requirements for surgical planning in cochlear implant candidates","volume":"28","author":"Alam-Eldeen","year":"2017","journal-title":"Indian J Radiol Imaging"},{"key":"S0022215121002632_ref9","doi-asserted-by":"publisher","DOI":"10.1186\/s40463-015-0073-7"},{"key":"S0022215121002632_ref10","doi-asserted-by":"crossref","first-page":"592","DOI":"10.1177\/019459988609500513","article-title":"Radiographic imaging of the cochlear implant candidate: preliminary results","volume":"95","author":"Dreisbach","year":"1986","journal-title":"Otolaryngol Neck Surg"}],"container-title":["The Journal of Laryngology &amp; 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