{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T20:27:09Z","timestamp":1789590429812,"version":"build-2803163510"},"reference-count":38,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,2,12]],"date-time":"2026-02-12T00:00:00Z","timestamp":1770854400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Surg."],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Posterior osteotomy is an effective treatment for severe kyphosis; however, postoperative complications, particularly early radiographic proximal junctional kyphosis (PJK), may compromise outcomes. Evidence regarding factors influencing postoperative efficacy and complication risk remains limited.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To compare the clinical efficacy of long-segment vs. short-segment fixation in posterior osteotomy for kyphosis and identify factors affecting outcomes and complications.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This retrospective controlled study included 150 patients undergoing posterior thoracolumbar osteotomy with fusion and internal fixation between June 2019 and June 2023. Patients were grouped by fixation length: long-segment (group L, \u22655 segments) and short-segment (group S, \u22644 segments). Propensity score matching balanced baseline characteristics, yielding 50 patients per group. Radiographic parameters (Cobb angle, sagittal vertical axis), perioperative data, and 12-month complications were recorded. Pain and function were assessed using VAS and ODI. Multivariate logistic regression identified independent risk factors for correction loss and early radiographic PJK.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Both groups showed significant postoperative improvement in Cobb angle and sagittal alignment (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&amp;lt;\u20090.05). Group L achieved a higher correction rate, lower Cobb angle loss, better VAS and ODI scores, and fewer early radiographic PJK and fixation-related complications (all\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&amp;lt;\u20090.05). Group S had shorter operative time and less blood loss (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&amp;lt;\u20090.05), with no difference in other complications. Short-segment fixation was independent risk factors for correction loss and early radiographic PJK.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>When correcting spinal kyphosis via posterior osteotomy, long-segment fixation better maintains correction and reduces complications like early radiographic PJK, while short-segment fixation shortens surgery time but increases risks of correction loss and early radiographic PJK.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fsurg.2026.1771214","type":"journal-article","created":{"date-parts":[[2026,2,12]],"date-time":"2026-02-12T06:50:38Z","timestamp":1770879038000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":1,"title":["Comparison of short-segment vs. long-segment fixation in posterior osteotomy for kyphotic deformity: effects on 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Group XingTai General Hospital","place":["Xingtai, Hebei, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shiduo","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics (I), North China Medical Health Group XingTai General Hospital","place":["Xingtai, Hebei, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qiang","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics (I), North China Medical Health Group XingTai General Hospital","place":["Xingtai, Hebei, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,2,12]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"123912","DOI":"10.1016\/j.wneu.2025.123912","article-title":"Short-segment fixation for thoracolumbar kyphosis caused by osteoporotic vertebral compression fractures: a case 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