{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T04:24:51Z","timestamp":1772166291294,"version":"3.50.1"},"reference-count":12,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2024,8,30]],"date-time":"2024-08-30T00:00:00Z","timestamp":1724976000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2024,8,30]],"date-time":"2024-08-30T00:00:00Z","timestamp":1724976000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Orthop Surg Res"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>A corrective radius osteotomy is often performed in patients with a symptomatic distal radius malunion. In 3D-planned osteotomies, the unaffected radius is mirrored over the malunited radius after adjusting for left-right length differences using both ulnae. This approach assumes that ulnar length differences in a malunion population are similar to those in a healthy population. This study was conducted to analyze the difference in ulnar length in a distal radius malunion population and to assess the potential influence of age, sex, or malunion side on this difference.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We evaluated 65 adult patients with distal radius malunion using bilateral forearm CT scans. 3D models of both ulnae were constructed, and length differences were determined along a standardized length axis. The results were compared to two populations without a radius malunion.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The average absolute ulnar length difference was 2.57\u00a0mm (SD 1.81), which was comparable to the two healthy populations. This difference was not significantly affected by age, sex, or malunion side.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>This study demonstrated that using the ulnar length difference to correct for radial length difference in the current 3D planning process, before using the contralateral radius as a template for a corrective osteotomy in patients with radius malunion, is safe.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s13018-024-05012-3","type":"journal-article","created":{"date-parts":[[2024,8,29]],"date-time":"2024-08-29T23:44:04Z","timestamp":1724975044000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["It is safe to use the ulnar length difference to correct the radial length difference in the 3D-planning process of a radius osteotomy in patients with a distal radius malunion"],"prefix":"10.1186","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5166-3803","authenticated-orcid":false,"given":"Camiel J.","family":"Smees","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6589-3837","authenticated-orcid":false,"given":"Koen D.","family":"Oude Nijhuis","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stein","family":"van der Heide","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3219-8608","authenticated-orcid":false,"given":"Judith","family":"olde Heuvel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1270-2742","authenticated-orcid":false,"given":"Job N.","family":"Doornberg","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5788-7309","authenticated-orcid":false,"given":"Anne J.H.","family":"Vochteloo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4372-6584","authenticated-orcid":false,"given":"Gabri\u00eblle J.M.","family":"Tuijthof","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2024,8,30]]},"reference":[{"issue":"3","key":"5012_CR1","doi-asserted-by":"publisher","first-page":"377","DOI":"10.4055\/cios.2015.7.3.377","volume":"7","author":"HW Jung","year":"2015","unstructured":"Jung HW, Hong H, Jung HJ, et al. Redisplacement of distal Radius fracture after initial closed reduction: analysis of prognostic factors. Clin Orthop Surg. 2015;7(3):377.","journal-title":"Clin Orthop Surg"},{"issue":"8","key":"5012_CR2","doi-asserted-by":"publisher","first-page":"1301","DOI":"10.1016\/j.jhsa.2008.04.031","volume":"33","author":"EC Makhni","year":"2008","unstructured":"Makhni EC, Ewald TJ, Kelly S, Day CS. Effect of patient age on the Radiographic outcomes of Distal Radius fractures subject to Nonoperative Treatment. J Hand Surg Am. 2008;33(8):1301\u20138.","journal-title":"J Hand Surg Am"},{"issue":"6","key":"5012_CR3","first-page":"743","volume":"76","author":"N Hollevoet","year":"2010","unstructured":"Hollevoet N. Effect of patient age on malunion of operatively treated distal radius fractures. 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