{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T14:40:14Z","timestamp":1792507214301,"version":"4.5.0"},"reference-count":26,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2020,8,12]],"date-time":"2020-08-12T00:00:00Z","timestamp":1597190400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2020,8,12]],"date-time":"2020-08-12T00:00:00Z","timestamp":1597190400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2020,8,12]],"date-time":"2020-08-12T00:00:00Z","timestamp":1597190400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2021,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>The purpose of this study was to analyse adverse events encountered in medial opening wedge high tibial osteotomy (MOWHTO) utilizing contemporary surgical techniques with the Tomofix locking plate (DePuy Synthes, Raynham, MA, USA) and categorize them by their severity and need for further medical\/surgical management. It was hypothesized that there would be low rates of serious complications after medial opening wedge high tibial osteotomy utilizing an internal locking plate fixator.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This study included 169 consecutive patients (200\u00a0knees) who underwent MOWHTO with a Tomofix locking plate at a single center, completing a minimum 2\u2010year follow\u2010up. Types of intra\u2010 and post\u2010operative adverse events were retrospectively identified by an independent observer and categorized by their severity and further need of management. Additional surgery due to elective hardware removal was not included in the adverse event classification.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>There were in total 58 (29%) adverse events, the majority (13.5%) of which required no additional treatment (class 1). Class 1 events included lateral cortex hinge fractures that were observed in 8.5% (17\u00a0knees) and delayed wound healing 2% (4\/200). Adverse events requiring additional or extended nonoperative management (class 2) were 9%. These included post\u2010operative stiffness in 1% (2\/200), low grade infection in 1.5% (3\/200), delayed union in 5.4% (11\/200), deep vein thrombosis 0.5% (1\/200). One hundred and four knees (52%) underwent elective hardware removal<jats:bold>.<\/jats:bold> Serious adverse events requiring unplanned additional or revision surgery and\/or long\u2010term medical care (class 3) were the least reported (6.5%). Aseptic non\u2010union was reported in 2.5%, deep infection requiring revision in 2% and limited hardware failure 1%.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>A low rate of serious complications (6.5%) requiring unplanned additional surgery (class 3) was found. The overall rate of complications following MOWHTO with Tomofix locking plate was 29% and the majority (13.5%) required no additional treatment (class 1). Lateral hinge fractures were the most common complication (8.5%) and these were associated with corrections over 12\u00a0mm. However, 52% knees required a further operation for elective hardware removal.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of evidence<\/jats:title><jats:p>Level IV, prospective study without control group.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s00167-020-06199-8","type":"journal-article","created":{"date-parts":[[2020,8,12]],"date-time":"2020-08-12T14:03:33Z","timestamp":1597241013000},"page":"3361-3367","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":40,"title":["Low rates of serious complications but high rates of hardware removal after high tibial osteotomy with Tomofix locking plate"],"prefix":"10.1002","volume":"29","author":[{"given":"Rajeshwar","family":"Sidhu","sequence":"first","affiliation":[{"name":"<!--<label>1<\/label>--> Fowler Kennedy Sports Medicine Clinic University of Western Ontario London 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