{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T03:02:17Z","timestamp":1789441337283,"version":"build-2803163510"},"reference-count":30,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2025,7,24]],"date-time":"2025-07-24T00:00:00Z","timestamp":1753315200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,7,24]],"date-time":"2025-07-24T00:00:00Z","timestamp":1753315200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100010975","name":"Pediatric Orthopaedic Society of North America","doi-asserted-by":"publisher","award":["2022 Zimmer Biomet Award"],"award-info":[{"award-number":["2022 Zimmer Biomet Award"]}],"id":[{"id":"10.13039\/100010975","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100003359","name":"Scoliosis Research Society","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100003359","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["JOR Spine"],"published-print":{"date-parts":[[2025,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>The relationship between tether tension and spinal growth modulation following vertebral body tethering (VBT) has not been studied in growing children.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Aims<\/jats:title>\n                    <jats:p>This study aims to explore the relationship between vertebral body growth modulation under varying tether tension.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>A retrospective, multicenter pediatric registry was queried for idiopathic scoliosis patients treated with right\u2010sided VBT, with recorded intraoperative tension (using an ordinal scale of 0\u20133), and 3D reconstructions from biplanar radiographs at the first erect (FE) and 2\u2010year post\u2010operative visits. Custom MATLAB code was used to calculate vertebral height (mm) on the untethered and tethered sides from T5\u2010T12. Generalized linear mixed models were used to analyze the effect of tension on vertebral body growth.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Fifty\u2010two subjects (47 female) were included with a mean age of 12.5\u2009\u00b1\u20091\u2009years. Patients were skeletally immature (triradiate cartilage open in 23 patients) with Proximal Femoral Maturity Index scores of 2 (nine patients), 3 (21 patients), 4 (20 patients), and 5 (two patients). A total of 330 vertebral bodies were analyzed. Mean height change of the vertebral bodies from FE to 2\u2009years was 1.6\u2009+\u20091.9\u2009mm (untethered) and 1.2\u2009+\u20091.8\u2009mm (tethered). On the tethered side, greater tension resulted in less height change, with the greatest differential growth observed between maximal tension and no tension (0.8\u2009mm vs. 0.2\u2009mm,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.02). Greater tension resulted in less vertebral body growth and greater differential growth. Future studies should quantify forces applied during VBT surgery, as well as the forces maintained in the post\u2010operative period with spinal motion.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Intraoperative intervertebral tensioning significantly affects vertebral body growth over 2 years.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/jsp2.70098","type":"journal-article","created":{"date-parts":[[2025,7,24]],"date-time":"2025-07-24T15:20:19Z","timestamp":1753370419000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Effect of Vertebral Body Tether Tensioning on Vertebral Body Growth Modulation"],"prefix":"10.1002","volume":"8","author":[{"given":"Taylor J.","family":"Jackson","sequence":"first","affiliation":[{"name":"Division of Orthopedics &amp; Scoliosis Rady Children's Hospital  San Diego California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Craig","family":"Louer","sequence":"additional","affiliation":[{"name":"Department of Orthopedics Vanderbilt University Medical Center  Nashville Tennessee USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ron","family":"El\u2010Hawary","sequence":"additional","affiliation":[{"name":"IWK Health Center  Halifax Nova Scotia Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jennifer","family":"Hurry","sequence":"additional","affiliation":[{"name":"IWK Health Center  Halifax Nova Scotia Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hui","family":"Nian","sequence":"additional","affiliation":[{"name":"Department of Orthopedics Vanderbilt University Medical Center  Nashville Tennessee USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7615-3749","authenticated-orcid":false,"given":"Christine","family":"Farnsworth","sequence":"additional","affiliation":[{"name":"Division of Orthopedics &amp; Scoliosis Rady Children's Hospital  San Diego California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carrie E.","family":"Bartley","sequence":"additional","affiliation":[{"name":"Division of Orthopedics &amp; Scoliosis Rady Children's Hospital  San Diego California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tracey P.","family":"Bryan","sequence":"additional","affiliation":[{"name":"Division of Orthopedics &amp; Scoliosis Rady Children's Hospital  San Diego California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael P.","family":"Kelly","sequence":"additional","affiliation":[{"name":"Division of Orthopedics &amp; Scoliosis Rady Children's Hospital  San Diego California USA"},{"name":"Department of Orthopaedics University of California  San Diego California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter O.","family":"Newton","sequence":"additional","affiliation":[{"name":"Division of Orthopedics &amp; Scoliosis Rady Children's Hospital  San Diego California USA"},{"name":"Department of Orthopaedics University of California  San Diego California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefan","family":"Parent","sequence":"additional","affiliation":[{"name":"St. Justine University of Montreal  Montreal Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"name":"Pediatric Spine Study Group","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2635-9823","authenticated-orcid":false,"given":"Vidyadhar V.","family":"Upasani","sequence":"additional","affiliation":[{"name":"Division of 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