{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T03:09:54Z","timestamp":1787022594594,"version":"build-2736575974"},"reference-count":32,"publisher":"Walter de Gruyter GmbH","issue":"1","license":[{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,5,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>C5 nerve root palsy (C5P) is a rare but documented complication after cervical decompression surgery. Despite multiple proposed mechanisms, research on risk factors for C5P after anterior cervical discectomy and fusion (ACDF) remains insufficient.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>The aim of this study was to identify specific risk factors associated with C5 nerve root palsy after ACDF.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A total of 108 patients who underwent ACDF surgery were divided into C5P and non-C5P groups. The basic data, preoperative Japanese Orthopaedic Association score, cervical curvature correction at C2\u20137 and C4\u20135, anterior\u2013posterior diameter (APD) at C4\/5, spinal-cord-lumbar angle (CLA) at C4\/5, foramen magnum occipitalis at C4\/5, and the presence of preoperative high-signal areas in the C4\/5 spinal cord on T2-weighted magnetic resonance imaging, were present. Risk factors associated with C5P were identified using logistic regression analysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      There were no significant differences between the two groups in terms of age, gender, disease duration, diagnosis, preoperative Japanese Orthopaedic Association score, number of operated segments, APD, or high-intensity zone. LRA showed that a larger CLA and narrower FD at C4\/5 were the main risk factors for the development of C5P (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; 0.05).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>A larger cord-lamina angle and a narrower foraminal diameter at C4\/5 are significant risk factors associated with the development of C5 palsy following ACDF.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1515\/med-2025-1162","type":"journal-article","created":{"date-parts":[[2025,5,14]],"date-time":"2025-05-14T11:04:21Z","timestamp":1747220661000},"source":"Crossref","is-referenced-by-count":2,"title":["Cord-lamina angle and foraminal diameter as key predictors of C5 palsy after anterior cervical decompression and fusion surgery"],"prefix":"10.1515","volume":"20","author":[{"given":"Wenchao","family":"Zhou","sequence":"first","affiliation":[{"name":"Department of Spinal Surgery, No. 905 Hospital of PLA Navy , Shanghai , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Baifeng","family":"Sun","sequence":"additional","affiliation":[{"name":"Department of Spinal Surgery, Changzheng Hospital Affiliated to Navy Medical University , Shanghai , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zichuan","family":"Wu","sequence":"additional","affiliation":[{"name":"Department of Spinal Surgery, Changzheng Hospital Affiliated to Navy Medical University , Shanghai , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aochen","family":"Xu","sequence":"additional","affiliation":[{"name":"Department of Spinal Surgery, Changzheng Hospital Affiliated to Navy Medical University , Shanghai , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hanlin","family":"Song","sequence":"additional","affiliation":[{"name":"Department of Spinal Surgery, Changzheng Hospital Affiliated to Navy Medical University , Shanghai , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xuhong","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Spinal Surgery, Changzheng Hospital Affiliated to Navy Medical University , Shanghai , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Junbin","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Spinal Surgery, Changzheng Hospital Affiliated to Navy Medical University , Shanghai , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Junzhe","family":"Sheng","sequence":"additional","affiliation":[{"name":"Department of Spinal Surgery, Changzheng Hospital Affiliated to Navy Medical University , Shanghai , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yang","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Spinal Surgery, Changzheng Hospital Affiliated to Navy Medical University , Shanghai , China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"374","published-online":{"date-parts":[[2025,5,7]]},"reference":[{"key":"2025122201305059403_j_med-2025-1162_ref_001","doi-asserted-by":"crossref","unstructured":"Siccoli A, Staartjes VE, De Wispelaere MP, Vergroesen PA, Schr\u00f6der ML. 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