{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,3]],"date-time":"2026-02-03T17:58:39Z","timestamp":1770141519030,"version":"3.49.0"},"reference-count":34,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2022,8,18]],"date-time":"2022-08-18T00:00:00Z","timestamp":1660780800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100012131","name":"Department of Science and Technology of Liaoning Province","doi-asserted-by":"publisher","award":["1553061903294"],"award-info":[{"award-number":["1553061903294"]}],"id":[{"id":"10.13039\/501100012131","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100007300","name":"China Medical University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100007300","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedic Surgery"],"published-print":{"date-parts":[[2022,9]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To report the outcomes and feasibility of a new technique to change K\u2010line (\u2212) to K\u2010line (+) via only a posterior approach to treat multilevel non\u2010continuous cervical ossification of the posterior longitudinal ligament (C\u2010OPLL) with kyphotic deformity.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>In this study, 17 consecutive cases of patients who underwent vertical pressure procedure (VP) combined with posterior cervical single\u2010open\u2010door laminoplasty and instrumented fusion from January 1, 2017 to December 31, 2019 were enrolled. The following radiographic parameters: C2\u2010C7 Cobb angle, local Cobb angle, extent of OPLL, and the distance from OPLL to the K\u2010line(DK) were measured and analyzed. Clinically, the JOA score, VAS\u2010N and VAS\u2010A, NDI, and complications were collected from medical records to evaluate the clinical outcomes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>All 17 cases shifted from K\u2010line (\u2212) to K\u2010line (+).Comparing the preoperative images to the final follow\u2010up images, the mean C2\u20107 Cobb angle changed from \u22126.94\u00b0\u2009\u00b1\u20098.30\u00b0 to 8.18\u00b0\u2009\u00b1\u20094.43\u00b0, and the local Cobb angle altered from \u22129.12\u00b0\u2009\u00b1\u20098.68\u00b0 to 6.65\u00b0\u2009\u00b1\u20096.11\u00b0. The mean DK increased from \u22122.64\u2009\u00b1\u20091.52\u2009mm to 3.09\u2009\u00b1\u20092.19\u2009mm. One patient showed C5 palsy and recovered within 3\u2009months. The mean JOA score increased from 8.88\u2009\u00b1\u20092.11 to 14.71\u2009\u00b1\u20091.36. The average NDI decreased from 20.65\u2009\u00b1\u20097.80 to 8.94\u2009\u00b1\u20094.93. The mean VAS\u2010N and VAS\u2010A decreased from 3.44\u2009\u00b1\u20091.80 and 4.69\u2009\u00b1\u20091.97 to 1.25\u2009\u00b1\u20090.86 and 1.38\u2009\u00b1\u20091.16. All patients were followed up for at least 1\u2009year.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>A new technique added to posterior decompression and fusion (PDF), the vertical pressure procedure effectively corrects K\u2010line (\u2212) to K\u2010line (+) and avoids the shortcomings of conventional anterior decompression and fusion (ADF) as well as PDF to provide a relatively safe and adequate decompression, cervical realignment. It pronounced satisfactory clinical outcome for extensive non\u2010continuous OPLL with kyphotic deformity even though OPLL remains ventral to the spinal cord.<\/jats:p><\/jats:sec>","DOI":"10.1111\/os.13433","type":"journal-article","created":{"date-parts":[[2022,8,18]],"date-time":"2022-08-18T10:45:21Z","timestamp":1660819521000},"page":"2361-2368","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Posterior Decompression and Fusion with Vertical Pressure Procedure in the Treatment of Multilevel Cervical <scp>OPLL<\/scp> with Kyphotic Deformity"],"prefix":"10.1111","volume":"14","author":[{"given":"Cheng","family":"Li","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery Shengjing Hospital of China Medical University  Shenyang P.R. 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