{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T00:20:46Z","timestamp":1790382046001,"version":"4.1.0"},"reference-count":25,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"6","license":[{"start":{"date-parts":[[2018,3,21]],"date-time":"2018-03-21T00:00:00Z","timestamp":1521590400000},"content-version":"vor","delay-in-days":1,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":["Operative Surg.","ONSURG"],"published-print":{"date-parts":[[2018,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>BACKGROUND<\/jats:title>\n                    <jats:p>Chronic atlantoaxial anterior dislocation (AAD) not only results in myelopathy, but dislocation-related kyphosis also results in cervical malalignment, which permanently affects neck function and patient-reported outcomes (PROs).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>OBJECTIVE<\/jats:title>\n                    <jats:p>To investigate the effect of kyphotic correction on realigning cervical spine and independent cervical alignment parameters, which may be correlated with an improvement of PROs.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>METHODS<\/jats:title>\n                    <jats:p>The study included 21 patients with chronic AAD-related kyphosis who underwent C1-2 reduction and correction surgery. Radiographic parameters were measured to assess cervical realignment preoperatively and postoperatively. Neck disability index (NDI), short form 12 physical component summary (SF-12 PCS), and Japanese Orthopaedic Association (JOA) scores were recorded to reveal changes in PROs. The independent parameters correlated with the improvements of PROs were analyzed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>\n                      Of the radiographic parameters, the C1-2 Cobb angle, the C2-7 Cobb angle, thoracic inlet angle, cervical tilt, and T1 slope were significantly changed from \u22124.0\u00b0 \u00b1 16.2\u00b0, \u221229.2\u00b0 \u00b1 11.2\u00b0, 73.1\u00b0 \u00b1 13.3\u00b0, 30.4\u00b0 \u00b1 8.5\u00b0, and 29.1\u00b0 \u00b1 8.8\u00b0 preoperatively to \u221213.5\u00b0 \u00b1 8.1\u00b0 (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .005), \u221218.0\u00b0 \u00b1 12.0\u00b0 (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; .001), 67.1\u00b0 \u00b1 11.6\u00b0 (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .042), 23.1\u00b0 \u00b1 10.3\u00b0 (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .007), and 24.0\u00b0 \u00b1 7.0\u00b0 (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .011) at last follow-up, respectively. NDI, JOA, and SF-12 PCS scores were significantly improved postoperatively. The C1-2 Cobb angle was an independent parameter correlated with the improvements in SF-12 PCS, NDI, and JOA scores.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSION<\/jats:title>\n                    <jats:p>Correction and reduction surgery can realign cervical spine in chronic AAD patients. The C1-2 Cobb angle was an independent parameter correlated with the improvements of PROs.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/ons\/opy035","type":"journal-article","created":{"date-parts":[[2018,3,20]],"date-time":"2018-03-20T21:42:57Z","timestamp":1521582177000},"page":"643-650","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":8,"title":["Postoperative Cervical Sagittal Realignment Improves Patient-Reported Outcomes in Chronic Atlantoaxial Anterior Dislocation"],"prefix":"10.1227","volume":"15","author":[{"given":"Junlong","family":"Zhong","sequence":"first","affiliation":[{"name":"Spine Surgery, Department of Ortho-paedics, The First Affiliated Hospital of Nanchang University, Nanchang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhimin","family":"Pan","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Spine and Spinal Cord Institute, Yonsei University College of Medicine, Seoul, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yiwei","family":"Chen","sequence":"additional","affiliation":[{"name":"Spine Surgery, Department of Ortho-paedics, The First Affiliated Hospital of Nanchang University, Nanchang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haoqun","family":"Yao","sequence":"additional","affiliation":[{"name":"Spine Surgery, Department of Ortho-paedics, The First Affiliated Hospital of Nanchang University, Nanchang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zujue","family":"Cheng","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Quanfei","family":"Liu","sequence":"additional","affiliation":[{"name":"Spine Surgery, Department of Ortho-paedics, The First Affiliated Hospital of Nanchang University, Nanchang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhaoxun","family":"Zeng","sequence":"additional","affiliation":[{"name":"Spine Surgery, Department of Ortho-paedics, The First Affiliated Hospital of Nanchang University, Nanchang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhiyun","family":"Li","sequence":"additional","affiliation":[{"name":"Spine Surgery, Department of Ortho-paedics, The First Affiliated Hospital of Nanchang University, Nanchang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pingguo","family":"Duan","sequence":"additional","affiliation":[{"name":"Spine Surgery, Department of Ortho-paedics, The First Affiliated Hospital of Nanchang University, Nanchang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiangwei","family":"Chen","sequence":"additional","affiliation":[{"name":"Spine Surgery, Department of Ortho-paedics, The First Affiliated Hospital of Nanchang University, Nanchang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hu","family":"Li","sequence":"additional","affiliation":[{"name":"Spine Surgery, Department of Ortho-paedics, The First Affiliated Hospital of Nanchang University, Nanchang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sheng","family":"Huang","sequence":"additional","affiliation":[{"name":"Spine Surgery, Department of Ortho-paedics, The First Affiliated Hospital of Nanchang University, Nanchang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhimin","family":"Han","sequence":"additional","affiliation":[{"name":"Spine Surgery, Department of Ortho-paedics, The First Affiliated Hospital of Nanchang University, Nanchang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Keung Nyun","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Spine and Spinal Cord Institute, Yonsei University College of Medicine, Seoul, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoon","family":"Ha","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Spine and Spinal Cord Institute, Yonsei University College of Medicine, Seoul, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kai","family":"Cao","sequence":"additional","affiliation":[{"name":"Spine Surgery, Department of Ortho-paedics, The First Affiliated Hospital of Nanchang University, Nanchang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2018,12]]},"reference":[{"issue":"11","key":"bib1-20240909","doi-asserted-by":"crossref","first-page":"1233","DOI":"10.1097\/00007632-199506000-00004","article-title":"Transoral anterior decompression and fusion of chronic irreducible atlantoaxial dislocation with spinal cord 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