{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,7]],"date-time":"2026-08-07T18:00:28Z","timestamp":1786125628623,"version":"build-2736575974"},"reference-count":25,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"4","license":[{"start":{"date-parts":[[2021,7,16]],"date-time":"2021-07-16T00:00:00Z","timestamp":1626393600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/ mailto:journals.permissions@oup.com"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Neurosurg.","NEUROS"],"published-print":{"date-parts":[[2021,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>BACKGROUND<\/jats:title>\n                    <jats:p>Expandable cages are often used to reconstruct cervical corpectomies but there are few long-term follow-up studies with large numbers.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>OBJECTIVE<\/jats:title>\n                    <jats:p>To analyze the clinical and radiographic results of cervical corpectomy reconstructed with expandable cages for degenerative stenosis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>METHODS<\/jats:title>\n                    <jats:p>We performed a retrospective analysis of 78 patients with degenerative cervical stenosis treated with a corpectomy reconstructed with an expandable cage. We evaluated the clinical and radiographic outcomes, as well as complications of the procedure at a minimum 2-yr follow-up.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>\n                      There was a decrease in the visual analog scale pain average from 75\u00a0mm to 8.5\u00a0mm (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u00a0=\u00a0.02); a decrease in the Neck Disability Index average from 55% to 12% (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u00a0=\u00a0.009); and improvement in the Japanese Orthopaedic Association average from 12 to 14 points (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u00a0=\u00a0.01). There was a change in cervical lordosis (Cobb method) average from \u22129.3\u00b0 to \u221215.1\u00b0 (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u00a0=\u00a0.002), without significant loss of lordosis (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u00a0=\u00a0.63). The fusion rate, by criteria of the Cervical Spine Research Society (CSRS), was low: using dynamic X-rays \u2013 50% (n\u00a0=\u00a039\/78) and using computed tomography (CT) \u2013 47.4% (n\u00a0=\u00a037\/78). A total of 11 patients (14.1%) suffered complications.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSION<\/jats:title>\n                    <jats:p>To our knowledge, this is the largest series (78) with a minimum 2-yr follow-up in the literature and the first using the dynamic radiographic and CT criteria endorsed by the CSRS. Using these criteria, our fusion rates were much lower than all previous reports in the literature. Despite this, patient-reported outcomes were reasonable. There was a relatively low incidence of perioperative complications, most of which were likely not implant-specific and there was only 1 case of implant failure.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/neuros\/nyab240","type":"journal-article","created":{"date-parts":[[2021,6,11]],"date-time":"2021-06-11T15:20:48Z","timestamp":1623424848000},"page":"617-625","source":"Crossref","is-referenced-by-count":14,"title":["Poor Fusion Rates Following Cervical Corpectomy Reconstructed With an Expandable Cage: Minimum 2-Year Radiographic and Clinical Outcomes"],"prefix":"10.1227","volume":"89","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4349-7101","authenticated-orcid":false,"given":"Vadim A","family":"Byvaltsev","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, Irkutsk State Medical University, Irkutsk, Russia"},{"name":"Department of Neurosurgery, Railway Clinical Hospital, Irkutsk, Russia"},{"name":"Department of Traumatology, Orthopedics and Neurosurgery, Irkutsk State Medical Academy of Postgraduate Education - A Branch of the Federal State Budgetary Educational Institution of Continuing Professional Education \u201cRussian Medical Academy of Continuing Professional Education\u201d of the Ministry of Health of the Russian Federation, Irkutsk, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9039-9147","authenticated-orcid":false,"given":"Andrei A","family":"Kalinin","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Irkutsk State Medical University, Irkutsk, Russia"},{"name":"Department of Neurosurgery, Railway Clinical Hospital, Irkutsk, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7676-1127","authenticated-orcid":false,"given":"Marat A","family":"Aliyev","sequence":"additional","affiliation":[{"name":"Asfendiyarov Kazakh National Medical University, Almaty, Kazakhstan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4902-3874","authenticated-orcid":false,"given":"Nurzhan O","family":"Azhibekov","sequence":"additional","affiliation":[{"name":"Asfendiyarov Kazakh National Medical University, Almaty, Kazakhstan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5135-8115","authenticated-orcid":false,"given":"Valerii V","family":"Shepelev","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Irkutsk State Medical University, Irkutsk, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2083-9375","authenticated-orcid":false,"given":"K Daniel","family":"Riew","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Columbia University, New York, New York, USA"},{"name":"Department of Neurological Surgery, Weill Cornell Medical School, New York, New York, 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