• Barak Haviv, Shlomo Bronak, Ran Thein, Amos Kidron, and Rafael Thein.
• Arthroscopy and Sports Injuries Unit, Hasharon Hospital, Rabin Medical Center, Petach-Tikva, Israel. barak_haviv69@hotmail.com
• Orthopedics. 2012 Feb 1; 35 (2): e192-6.

AbstractGonarthrosis in the relatively young and active population causes major daily discomfort and disability. If the arthritic process is mainly limited to the medial compartment, the axis of a varus knee can be realigned laterally with high tibial osteotomy to unload the medial compartment and allow some cartilage regeneration and pain relief. This study describes the outcomes of patients who underwent opening-wedge high tibial osteotomies using Puddu plate (Arthrex, Naples, Florida) fixation. Eighteen patients (22 knees) with genu varum and medial compartment osteoarthritis were followed-up for an average of 6.3±2.3 years after high tibial osteotomy with Puddu plate fixation and iliac crest allograft. Clinical outcome was assessed by the Oxford Knee Score and subjective satisfaction rating. Pre- and postoperative radiographs were evaluated for tibiofemoral angle, Insall-Salvati index, and Kellgren-Lawrence Grading Scale for osteoarthritis. Mean patient age at surgery was 44±13.7 years, and mean body mass index was 29.1±4.7 kg/m(2). At last follow-up, mean Oxford Knee Score improved from 22.4±13.5 to 37.2±13.7 (P=.002). Average subjective satisfaction rate at last follow-up was 8±3. The measured tibiofemoral angle was corrected to an average genu valgum of 3.3°±4.8° (P=.001). No patient showed severe postoperative osteoarthritis (ie, Kellgren-Lawrence grade 4) at last follow-up. All radiographs showed full incorporation of the bone grafts. At the end of the study, 2 patients underwent total knee replacement. Opening-wedge high tibial valgus osteotomy with Puddu plate fixation can be a reliable procedure for the treatment of medial-compartment osteoarthritis of the knee associated with varus deformity.Copyright 2012, SLACK Incorporated.

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