ArticleJournal of experimental orthopaedics2026
Medial open-wedge high tibial osteotomy demonstrates an 85.9% non-conversion rate and 76.8% patient satisfaction at a minimum follow-up of 10 years.
Article in Journal of experimental orthopaedics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Preoperative standing-supine difference in joint line convergence angle predicts postoperative alignment change after closing-wedge high tibial osteotomy.Journal of experimental orthopaedics · 2026Article
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4 authors.
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Abstract
Purpose: To evaluate long-term survival and functional outcomes following medial open wedge high tibial osteotomy (MOWHTO) using a locking plate. Methods: One hundred fifty-four patients underwent MOWHTO for isolated medial compartment osteoarthritis at Martin Luther Hospital, Berlin, Germany. After application of the predefined inclusion and exclusion criteria, 26 patients were excluded, leaving 126 eligible patients. Of these, two patients had died, and 18 were lost to follow-up. The primary endpoint was survival, defined as the absence of conversion to total knee arthroplasty (TKA). Secondary outcomes included patient-reported outcome measures (Knee Injury and Osteoarthritis Outcome Score [KOOS]), pain, satisfaction, sporting activity (Tegner scale) and complications. Kaplan-Meier analysis was performed for survival, and potential risk factors for conversion were analysed. The mean follow-up was 13.3 years (range, 10.2-18.3). Results: A total of 99 patients were assessed at a mean follow-up of 13.3 years (range, 10.2-18.3), comprising 35.4% women and 64.6% men. The mean age was 48.4 ± 8.3 years at the time of surgery and 61 ± 8 years at final follow-up. The cumulative non-conversion rate was 91.9% at 5 years, 85.9% at 10 years and 80.8% at final follow-up (13.3 years). Patients in the conversion group were significantly older (64.89 ± 8.0 years) than those in the non-conversion group (60.0 ± 7.6 years, Conclusion: MOWHTO with angular-stable fixation demonstrated high long-term survival, favourable functional outcomes and high patient satisfaction. Patients in the conversion group were significantly older than those in the non-conversion group. These findings suggest that MOWHTO is a safe and effective joint-preserving procedure in appropriately selected patients with varus malalignment and medial compartment osteoarthritis. Level of Evidence: Level IV.
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