{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T20:35:27Z","timestamp":1777494927981,"version":"3.51.4"},"reference-count":31,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2020,4,28]],"date-time":"2020-04-28T00:00:00Z","timestamp":1588032000000},"content-version":"vor","delay-in-days":27,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"name":"Health & Planning Research Project of Shaoguan City","award":["Y17048"],"award-info":[{"award-number":["Y17048"]}]},{"name":"the program of Science and Technology of Shaoguan City","award":["2017cx\/017"],"award-info":[{"award-number":["2017cx\/017"]}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedic Surgery"],"published-print":{"date-parts":[[2020,4]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To evaluate the feasibility and safety of cervical kinematic MRI (KMRI) in patients with cervical spinal cord injury without fracture and dislocation (CSCIWFD).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This was a single\u2010institution case\u2010only study. Patients with CSCIWFD were enrolled in our institution from February 2015 to July 2019. Cervical radiography and CT were performed first to exclude cervical tumors, and major fracture or dislocation. Then neutral static and kinematic (flexion and extension) MRI was performed for patients who met the inclusion criteria under the supervision of a spinal surgeon. Any adverse events during the KMRI examination were recorded. Patients received surgical or conservative treatment based on the imaging results and patients\u2019 own wishes. The American Spinal Injury Association impairment scale (AIS) grade and the Japanese Orthopedic Association (JOA) score were evaluated on admission, before KMRI examination, and after KMRI examination. For the surgical patients, AIS grade and JOA score were evaluated again 1\u2009week after the operation. The JOA scores were compared among different time points using the paired <jats:italic>t<\/jats:italic>\u2010test.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 16 patients (12 men and 4 women, mean age: 51.1 [30\u201373] years) with CSCIWFD were included in the present study. Clinical symptoms included facial trauma, neck pain, paraplegia, paresthesia, hyperalgesia, sensory loss or weakness below the injury level, and dyskinesia. On admission, AIS grades were B for 2 cases, C for 5, and D for 9. A total of 14 patients underwent neutral, flexion, and extension cervical MRI examination; 2 patients underwent neutral and flexion examination because they could not maintain the position for a prolonged duration. No patient experienced deterioration of neurological function after the examinations. The AIS grades and JOA scores evaluated post\u2010examination were similar to those evaluated pre\u2010examination (<jats:italic>P<\/jats:italic>\u2009&gt;\u20090.05) and significantly higher than those on admission (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05). A total of 12 patients received surgical treatment, 11 of whom underwent anterior cervical discectomy and interbody fusion and 1 underwent posterior C3\/4 fusion with lateral mass screws. The remaining 4 patients were offered conservative therapy. None of the patients experienced any complications during the perioperative period. The AIS grade did not change in most surgical patients, except that 1 patient changed from grade C to D 1\u2009week after the operation. The JOA score 1\u2009week after surgery was significantly higher than those on admission and around examination for the surgical patients (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Cervical KMRI is a safe and useful technique for diagnosis of CSCIWFD, which is superior to static cervical MRI for therapeutic decision\u2010making in patients with CSCIWFD.<\/jats:p><\/jats:sec>","DOI":"10.1111\/os.12663","type":"journal-article","created":{"date-parts":[[2020,4,29]],"date-time":"2020-04-29T05:52:02Z","timestamp":1588139522000},"page":"570-581","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Feasibility and Safety of Cervical Kinematic Magnetic Resonance Imaging in Patients with Cervical Spinal Cord Injury without Fracture and Dislocation"],"prefix":"10.1111","volume":"12","author":[{"given":"Yongzheng","family":"Bao","sequence":"first","affiliation":[{"name":"Department of Spinal Surgery Nanfang Hospital, Southern Medical University, Guangzhou  Shaoguan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xueren","family":"Zhong","sequence":"additional","affiliation":[{"name":"Department of Spinal Surgery Nanfang Hospital, Southern Medical University, Guangzhou  Shaoguan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wengang","family":"Zhu","sequence":"additional","affiliation":[{"name":"Department of Spinal Surgery Nanfang Hospital, Southern Medical University, Guangzhou  Shaoguan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yu","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Spinal Surgery Nanfang Hospital, Southern Medical University, Guangzhou  Shaoguan 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China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Konghe","family":"Hu","sequence":"additional","affiliation":[{"name":"Department of Spinal Surgery Nanfang Hospital, Southern Medical University, Guangzhou  Shaoguan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kangsheng","family":"Bei","sequence":"additional","affiliation":[{"name":"Department of Spinal Surgery Nanfang Hospital, Southern Medical University, Guangzhou  Shaoguan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yinghui","family":"Xiong","sequence":"additional","affiliation":[{"name":"Department of Spinal Surgery Nanfang Hospital, Southern Medical University, Guangzhou  Shaoguan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yongyu","family":"Hu","sequence":"additional","affiliation":[{"name":"Department of Spinal Surgery Nanfang Hospital, Southern Medical University, Guangzhou  Shaoguan 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