{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T03:11:12Z","timestamp":1793070672675,"version":"4.5.0"},"reference-count":25,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["arthroscopyjournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Arthroscopy"],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To compare radiographic patellofemoral characteristics following ascending tibial tubercle (AT) and descending tibial tubercle (DT) medial open\u2010wedge high tibial osteotomy (OWHTO).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This retrospective single\u2010center study included all patients who underwent AT\u2010OWHTO or DT\u2010OWHTO between October 2014 and December 2022 with complete radiographic datasets and \u226512\u2009months of follow\u2010up. Patellar height (Caton\u2010Deschamps index) and tibial tuberosity\u2010trochlear groove distance (TT\u2010TG) were measured on standardized radiographs and computed tomography scans preoperatively and at 4.5 and 12\u2009months postoperatively. Coronal alignment (hip\u2010knee\u2010ankle angle), sagittal alignment (posterior tibial slope), and hinge\u2010fracture occurrence were analyzed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A total of 106 knees from 103 patients (83 men, 20 women; mean age 43.5\u2009\u00b1\u20098.9\u2009years) were analyzed (48 AT, 58 DT). AT\u2010OWHTO decreased the Caton\u2010Deschamps index from 0.79 \u00b1 0.14 to 0.69\u2009\u00b1\u20090.13 (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u2009.001) and increased TT\u2010TG from 12.71\u2009\u00b1\u20093.41 to 14.93\u2009\u00b1\u20094.01\u2009mm (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u2009.001). DT\u2010OWHTO maintained the Caton\u2010Deschamps index (0.76\u2009\u00b1\u20090.13 to 0.75\u2009\u00b1\u20090.14;\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u2009.054) and TT\u2010TG (13.86\u2009\u00b1\u20094.65 to 13.37\u2009\u00b1\u20094.93\u2009mm;\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u2009.057). A total of 46 hinge fractures (43.4%) were detected, 19 in the AT\u2010OWHTO and 27 in the DT\u2010OWHTO group (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u2009.471).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>A significant decrease in patella height and a significant increase in TT\u2010TG were observed in AT\u2010OWHTO, whereas these parameters remained stable in DT\u2010OWHTO. Although the absolute magnitude of these radiographic changes was small, preoperative assessment of patellar height and TT\u2010TG may assist in selecting the appropriate osteotomy technique to preserve patellofemoral joint alignment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level III, retrospective cohort study.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/arj.70384","type":"journal-article","created":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T19:31:03Z","timestamp":1782934263000},"page":"2223-2228","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Small but Significant Effect on Patellar Height and Tibial Tuberosity\u2010Trochlear Groove Distance Following Ascending Versus Descending Tibial Tubercle Osteotomy in Medial Open\u2010Wedge High Tibial Osteotomy"],"prefix":"10.1002","volume":"42","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-7941-8927","authenticated-orcid":false,"given":"Matthias","family":"Biner","sequence":"first","affiliation":[{"name":"Department of Orthopedics Balgrist University Hospital University of Zurich  Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4063-5815","authenticated-orcid":false,"given":"Jakob","family":"Ackermann","sequence":"additional","affiliation":[{"name":"Department of Orthopedics Balgrist University Hospital University of Zurich  Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4600-1637","authenticated-orcid":false,"given":"Sandro","family":"Hodel","sequence":"additional","affiliation":[{"name":"Department of Orthopedics Balgrist University Hospital University of Zurich  Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9176-5222","authenticated-orcid":false,"given":"Sandro F.","family":"Fucentese","sequence":"additional","affiliation":[{"name":"Department of Orthopedics Balgrist University Hospital University of Zurich  Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8526-6032","authenticated-orcid":false,"given":"Lazaros","family":"Vlachopoulos","sequence":"additional","affiliation":[{"name":"Department of Orthopedics Balgrist University Hospital University of Zurich  Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8128-3927","authenticated-orcid":false,"given":"Lukas","family":"Jud","sequence":"additional","affiliation":[{"name":"Department of Orthopedics Balgrist University Hospital University of Zurich  Zurich 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