{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,18]],"date-time":"2026-01-18T13:03:30Z","timestamp":1768741410863,"version":"3.49.0"},"reference-count":40,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2025,3,20]],"date-time":"2025-03-20T00:00:00Z","timestamp":1742428800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["82100940"],"award-info":[{"award-number":["82100940"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100010870","name":"Qingdao Municipal Science and Technology Bureau","doi-asserted-by":"publisher","award":["23\u20102\u20108\u2010smjk\u20107\u2010nsh"],"award-info":[{"award-number":["23\u20102\u20108\u2010smjk\u20107\u2010nsh"]}],"id":[{"id":"10.13039\/501100010870","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedic Surgery"],"published-print":{"date-parts":[[2025,5]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>The degeneration characteristics of adjacent segment disease are complex. Improper surgical planning has caused unnecessary surgical trauma and costs. The purpose of this study was to establish a staging system for adjacent segment disease and evaluate its guiding significance for surgical decisions in adjacent segment disease.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A retrospective study was performed on 103 patients with adjacent segment disease who underwent treatment between January 2017 and January 2023. Based on radiological findings, adjacent segment disease was categorized into four stages, with no cases identified in Stage IV. Patients were divided into four intervention groups: Group A (control group, traditional posterior lumbar fusion with rod\u2010screw revision), Group B (Stage I, percutaneous endoscopic decompression), Group C (Stage II, oblique lumbar interbody fusion), and Group D (Stage III, cortical bone trajectory screws with posterior lumbar interbody fusion). Clinical and radiological outcomes were evaluated postoperatively, at 3\u2009months, and at 12\u2009months. Statistical analysis was conducted using t\u2010tests, Mann\u2013Whitney <jats:italic>U<\/jats:italic> tests, chi\u2010square tests, and Spearman's correlation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Surgical expenses, duration, estimated blood loss, postoperative hospital stays, disc height index, and Pfirrmann grading all demonstrated significant correlations with the established grading system (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05). Patients achieved favorable clinical outcomes. Specifically, Groups B, C, and D showed earlier functional recovery compared to Group A, with Groups B and C experiencing more rapid relief from low back pain. Furthermore, Groups B, C, and D had shorter surgical times and reduced blood loss, while Groups B and C also incurred lower surgical costs and shorter hospital stays (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The new grading system, developed based on the characteristics of adjacent segment degeneration, showed excellent surgical adaptability, despite varying degrees of correlation across different factors. This system was closely linked to the degree of intervertebral disc degeneration and the intervertebral disc height index. All patients achieved favorable surgical outcomes, suggesting that this grading system could provide valuable guidance in making surgical treatment decisions.<\/jats:p><\/jats:sec>","DOI":"10.1111\/os.70029","type":"journal-article","created":{"date-parts":[[2025,3,23]],"date-time":"2025-03-23T06:55:05Z","timestamp":1742712905000},"page":"1418-1432","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Establishing a Staging System for Adjacent Segment Disease and Exploring Its Significance in Guiding Surgical Decisions: A Retrospective Study"],"prefix":"10.1111","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-4686-721X","authenticated-orcid":false,"given":"Changpeng","family":"Qu","sequence":"first","affiliation":[{"name":"The Affiliated Hospital of Qingdao University Department of Spinal Surgery  Qingdao Shandong China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2167-0487","authenticated-orcid":false,"given":"Jianwei","family":"Guo","sequence":"additional","affiliation":[{"name":"The Affiliated Hospital of Qingdao University Department of Spinal Surgery  Qingdao Shandong China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hao","family":"Tao","sequence":"additional","affiliation":[{"name":"The Affiliated Hospital of Qingdao University Department of Trauma Surgery  Qingdao Shandong China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chuanli","family":"Zhou","sequence":"additional","affiliation":[{"name":"The Affiliated Hospital of Qingdao University Department of Spinal Surgery  Qingdao Shandong China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kai","family":"Zhu","sequence":"additional","affiliation":[{"name":"The Affiliated Hospital of Qingdao University Department of Spinal Surgery  Qingdao Shandong China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yihao","family":"Sun","sequence":"additional","affiliation":[{"name":"The Affiliated Hospital of Qingdao University Department of Spinal Surgery  Qingdao Shandong China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lei","family":"Li","sequence":"additional","affiliation":[{"name":"The Affiliated Hospital of Qingdao University Department of Spinal Surgery  Qingdao Shandong China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhiming","family":"Liu","sequence":"additional","affiliation":[{"name":"The Affiliated Hospital of Qingdao University Department of Spinal Surgery  Qingdao Shandong China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1974-1311","authenticated-orcid":false,"given":"Hao","family":"Zhang","sequence":"additional","affiliation":[{"name":"The Affiliated Hospital of Qingdao University Department of Spinal Surgery  Qingdao Shandong China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0967-6424","authenticated-orcid":false,"given":"Xuexiao","family":"Ma","sequence":"additional","affiliation":[{"name":"The Affiliated Hospital of Qingdao University Department of Spinal Surgery  Qingdao Shandong China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,3,20]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1080\/02688697.2021.1881041"},{"issue":"1","key":"e_1_2_11_3_1","first-page":"29","article-title":"Adjacent Segment Degeneration Following Spinal Fusion for Degenerative Disc Disease","volume":"65","author":"Levin D. 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