{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T15:21:42Z","timestamp":1786980102646,"version":"build-2736575974"},"reference-count":25,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2026,2,24]],"date-time":"2026-02-24T00:00:00Z","timestamp":1771891200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2026,2,24]],"date-time":"2026-02-24T00:00:00Z","timestamp":1771891200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100007653","name":"Universit\u00e4tsklinikum Jena","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100007653","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Arch Orthop Trauma Surg"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>The aim of this study is to analyse the effect of an additional radial buttress plate for palmar plate osteosynthesis in an AO\/OTA 2R3 C2.1 fracture model.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Nine pairs of freshly frozen radii were analysed for pathology and bone mineral density and divided into two matched groups. One group was treated with a variable-angle palmar locking plate alone, while the second group received an additional radial buttress plate for radiopalmar double plating. An AO\/OTA 2R3 C2.1 fracture was created in all specimens. The biomechanical tests were performed according to previously published protocols. Stiffness, axial displacement of the construct, as well as fragment-specific movements and rotations were assessed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      No implant failure was observed. In the total cohort, stiffness increased (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01) and axial construct displacement decreased (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05). The mobility of the ulnar fragment to the shaft during cyclic testing was lower with double plating, both at baseline and endpoint (all\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01). Fragment movements increased over the course of testing and were significant for the radial articular fragment relative to the shaft in the total cohort (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01). Baseline rotation of the ulnar fragment and endpoint rotation of the radial fragment in relation to the shaft were lower with double plating (all\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05). In both constructs, the rotation of the ulnar fragment relative to the shaft was lower than that of the radial fragment at both timepoints (all\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Biomechanically, the addition of a radial buttress plate to a standard palmar locking plate did not alter global construct stiffness, but demonstrated advantages in fragment-specific stability in comminuted distal radius fractures.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00402-026-06224-4","type":"journal-article","created":{"date-parts":[[2026,2,24]],"date-time":"2026-02-24T11:06:59Z","timestamp":1771931219000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Biomechanical comparison of radiopalmar double plating with conventional palmar plating in comminuted distal radius fractures"],"prefix":"10.1007","volume":"146","author":[{"given":"Conrad-Friedrich","family":"J\u00e4ger","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christian","family":"Spiegel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Felix Christian","family":"Kohler","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heike","family":"Kielstein","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ivan","family":"Zderic","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Boyko","family":"Gueorguiev-R\u00fcegg","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gunther Olaf","family":"Hofmann","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mark","family":"Lenz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wolfram","family":"Weschenfelder","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,2,24]]},"reference":[{"key":"6224_CR1","doi-asserted-by":"publisher","first-page":"58","DOI":"10.1097\/01.blo.0000205891.96575.0f","volume":"445","author":"JL Orbay","year":"2006","unstructured":"Orbay JL, Touhami A (2006) Current concepts in volar fixed-angle fixation of unstable distal radius fractures. 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This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of University Friedrich- Schiller of Jena (02.11.2023 \/Reg.-No.: 2023-3130-Material).","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval and consent to participate"}},{"value":"Informed consent was obtained from all individual participants included in the study.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}}],"article-number":"80"}}