{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T14:51:30Z","timestamp":1787755890377,"version":"build-2784847793"},"reference-count":10,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"3","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"abstract":"<jats:sec>\n                    <jats:title>Case:<\/jats:title>\n                    <jats:p>A 26-year-old female with Klippel-Feil syndrome (KFS) type III underwent cervical disk arthroplasty (CDA) at C5\u20136 for radiculopathy unresponsive to conservative care. Initial improvement was followed by recurrence of symptoms despite no implant failure or adjacent segment disease. At 11 months, she underwent revision to anterior cervical diskectomy and fusion (ACDF), resulting in full symptom resolution.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>This case illustrates early CDA failure in a patient with congenital cervical fusion, successfully revised to ACDF. It highlights the uncertain outcomes of motion-preserving surgery in KFS and underscores the need for caution and further research in this population.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.2106\/jbjs.cc.25.00308","type":"journal-article","created":{"date-parts":[[2025,8,22]],"date-time":"2025-08-22T18:06:03Z","timestamp":1755885963000},"update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":0,"title":["Cervical Disk Arthroplasty Failure in a Patient with Klippel-Feil Syndrome"],"prefix":"10.2106","volume":"15","author":[{"given":"Phillip","family":"Alexeev","sequence":"first","affiliation":[{"name":"Thomas F. Frist, Jr. College of Medicine, Belmont University, Nashville, Tennessee"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ryan","family":"Snowden","sequence":"additional","affiliation":[{"name":"Tennessee Orthopaedic Alliance, Nashville, Tennessee"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2025,7]]},"reference":[{"issue":"1","key":"bib1-20250822","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1186\/s13013-016-0075-x","article-title":"\u201cClinical triad\u201d findings in pediatric Klippel-Feil patients","volume":"11","author":"Samartzis","year":"2016","journal-title":"Scoliosis Spinal Disord."},{"issue":"1","key":"bib2-20250822","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1097\/MCD.0000000000000301","article-title":"Klippel-Feil syndrome: a review of the literature","volume":"29","author":"Frikha","year":"2020","journal-title":"Clin Dysmorphol."},{"issue":"21","key":"bib3-20250822","doi-asserted-by":"crossref","first-page":"E798","DOI":"10.1097\/01.brs.0000239222.36505.46","article-title":"Classification of congenitally fused cervical patterns in Klippel-Feil patients: epidemiology and role in the development of cervical spine-related symptoms","volume":"31","author":"Samartzis","year":"2006","journal-title":"Spine (Phila Pa 1976)."},{"issue":"S3","key":"bib4-20250822","doi-asserted-by":"crossref","first-page":"S517","DOI":"10.1007\/s00586-013-2769-6","article-title":"Surgical treatment in a patient with Klippel-Feil syndrome and anterior cervical meningomyelocele: a case report and review of literature","volume":"22","author":"Brokinkel","year":"2013","journal-title":"Eur Spine J."},{"issue":"4","key":"bib5-20250822","doi-asserted-by":"crossref","first-page":"508","DOI":"10.3171\/2019.4.SPINE19157","article-title":"Two-level cervical disc arthroplasty versus anterior cervical discectomy and fusion: 10-year outcomes of a prospective, randomized investigational device exemption clinical trial","volume":"31","author":"Gornet","year":"2019","journal-title":"J Neurosurg Spine."},{"issue":"4","key":"bib6-20250822","doi-asserted-by":"crossref","first-page":"397","DOI":"10.3171\/jns.1968.29.4.0397","article-title":"Anterior cervical fusion by the Smith-Robinson approach","volume":"29","author":"Aronson","year":"1968","journal-title":"J Neurosurg."},{"issue":"1","key":"bib7-20250822","doi-asserted-by":"crossref","first-page":"34","DOI":"10.14245\/ns.2040454.227","article-title":"Revision surgeries at the index level after cervical disc arthroplasty","volume":"18","author":"Joaquim","year":"2021","journal-title":"Neurospine."},{"issue":"5","key":"bib8-20250822","doi-asserted-by":"crossref","first-page":"615","DOI":"10.4184\/asj.2014.8.5.615","article-title":"Radiographic assessment of effect of congenital monosegment synostosis of lower cervical spine between C2-C6 on adjacent mobile segments","volume":"8","author":"Moon","year":"2014","journal-title":"Asian Spine J."},{"issue":"22","key":"bib9-20250822","doi-asserted-by":"crossref","first-page":"2431","DOI":"10.1097\/00007632-200211150-00003","article-title":"Biomechanical study on the effect of cervical spine fusion on adjacent-level intradiscal pressure and segmental motion","volume":"27","author":"Eck","year":"2002","journal-title":"Spine."},{"key":"bib10-20250822","doi-asserted-by":"crossref","first-page":"322","DOI":"10.25259\/SNI_587_2020","article-title":"Two-level cervical disc arthroplasty in patients with Klippel-Feil syndrome: a case report and review of the literature","volume":"11","author":"Ryu","year":"2020","journal-title":"Surg Neurol Int."}],"container-title":["JBJS Case Connector"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.ovid.com\/10.2106\/JBJS.CC.25.00308","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T13:53:01Z","timestamp":1787752381000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.ovid.com\/10.2106\/JBJS.CC.25.00308"}},"subtitle":["A Case Report"],"short-title":[],"issued":{"date-parts":[[2025,7]]},"references-count":10,"journal-issue":{"issue":"3","published-online":{"date-parts":[[2025]]}},"URL":"https:\/\/doi.org\/10.2106\/jbjs.cc.25.00308","relation":{},"ISSN":["2160-3251"],"issn-type":[{"value":"2160-3251","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,7]]}}}