{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,12]],"date-time":"2026-09-12T16:38:58Z","timestamp":1789231138620,"version":"build-2803163510"},"reference-count":27,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,9]]},"abstract":"<jats:sec><jats:title>OBJECTIVE<\/jats:title><jats:p>Vertebral body sliding osteotomy (VBSO) is a safe, novel technique for anterior decompression in patients with multilevel cervical spondylotic myelopathy. Another advantage of VBSO may be the restoration of cervical lordosis through multilevel anterior cervical discectomy and fusion (ACDF) above and below the osteotomy level. This study aimed to evaluate the improvement and maintenance of cervical lordosis and sagittal alignment after VBSO.<\/jats:p><\/jats:sec><jats:sec><jats:title>METHODS<\/jats:title><jats:p>A total of 65 patients were included; 34 patients had undergone VBSO, and 31 had undergone anterior cervical corpectomy and fusion (ACCF). Preoperative, postoperative, and final follow-up radiographs were used to evaluate the improvements in cervical lordosis and sagittal alignment after VBSO. C0\u20132 lordosis, C2\u20137 lordosis, segmental lordosis, C2\u20137 sagittal vertical axis (SVA), T1 slope, thoracic kyphosis, lumbar lordosis, sacral slope, pelvic tilt, and Japanese Orthopaedic Association scores were measured. Subgroup analysis was performed between 15 patients with 1-level VBSO and 19 patients with 2-level VBSO. Patients with 1-level VBSO were compared to patients who had undergone 1-level ACCF.<\/jats:p><\/jats:sec><jats:sec><jats:title>RESULTS<\/jats:title><jats:p>C0\u20132 lordosis (41.3\u00b0 \u00b1 7.1\u00b0), C2\u20137 lordosis (7.1\u00b0 \u00b1 12.8\u00b0), segmental lordosis (3.1\u00b0 \u00b1 9.2\u00b0), and C2\u20137 SVA (21.5 \u00b1 11.7 mm) showed significant improvements at the final follow-up (39.3\u00b0 \u00b1 7.2\u00b0, 13\u00b0 \u00b1 9.9\u00b0, 15.2\u00b0 \u00b1 8.5\u00b0, and 18.4 \u00b1 7.9 mm, respectively) after VBSO (p = 0.049, p &lt; 0.001, p &lt; 0.001, and p = 0.038, respectively). The postoperative segmental lordosis was significantly larger in 2-level VBSO (18.8\u00b0 \u00b1 11.6\u00b0) than 1-level VBSO (10.3\u00b0 \u00b1 5.5\u00b0, p = 0.014). The final segmental lordosis was larger in the 1-level VBSO (12.5\u00b0 \u00b1 6.2\u00b0) than the 1-level ACCF (7.2\u00b0 \u00b1 7.6\u00b0, p = 0.023). Segmental lordosis increased postoperatively (p &lt; 0.001) and was maintained until the final follow-up (p = 0.062) after VBSO. However, the postoperatively improved segmental lordosis (p &lt; 0.001) decreased at the final follow-up (p = 0.045) after ACCF.<\/jats:p><\/jats:sec><jats:sec><jats:title>CONCLUSIONS<\/jats:title><jats:p>Not only C2\u20137 lordosis and segmental lordosis, but also C0\u20132 lordosis and C2\u20137 SVA improved at the final follow-up after VBSO. VBSO improves segmental cervical lordosis markedly through multiple ACDFs above and below the VBSO level, and a preserved vertebral body may provide more structural support.<\/jats:p><\/jats:sec>","DOI":"10.3171\/2020.3.spine2089","type":"journal-article","created":{"date-parts":[[2020,5,22]],"date-time":"2020-05-22T07:14:45Z","timestamp":1590131685000},"page":"307-315","source":"Crossref","is-referenced-by-count":18,"title":["Improvement in cervical lordosis and sagittal alignment after vertebral body sliding osteotomy in patients with cervical spondylotic myelopathy and kyphosis"],"prefix":"10.3171","volume":"33","author":[{"given":"Dong-Ho","family":"Lee","sequence":"first","affiliation":[{"name":"Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Choon Sung","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chang Ju","family":"Hwang","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jae Hwan","family":"Cho","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jae-Woo","family":"Park","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kun-Bo","family":"Park","sequence":"additional","affiliation":[{"name":"Division of Orthopedic Surgery, Severance Children\u2019s Hospital, Yonsei University College of Medicine, Seoul, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"issue":"22","key":"b1","series-title":"Spine (Phila Pa 1976)","doi-asserted-by":"publisher","first-page":"2493","DOI":"10.1097\/01.brs.0000145412.93407.c3","article-title":"Results of surgical treatment for degenerative cervical myelopathy: anterior cervical corpectomy and stabilization","volume":"29","author":"Sevki K","year":"2004","unstructured":"Sevki K, Mehmet T, Ufuk T,  Results of surgical treatment for degenerative cervical myelopathy: anterior cervical corpectomy and stabilization. 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