Clinical and radiographic outcomes of medial open wedge high tibial osteotomy (MOWHTO) with Ilizarov technique in OA knee

Bari M.M., Islam S., Shetu N.H., Rahman M.


The aim of this study was to evaluate the clinical and radiographic outcomes after medial open wedge high tibial osteotomy (MOWHTO) usingIlizarov fixator.
Materials and Methods
MOWHTO was performed on 25 knees of 24 consecutive patients. Upon radiographic assessment, alignment was shown as the femoral tibial angle (FTA). The posterior tibial slope (PTS) and the Insall-Salvati Index (ISI) were also measured.
A visual analogue scale (VAS) improved significantly upon follow up (P less 0,001 for all). The overall mean FTA was 4.60 ± 4.30º varus preoperatively; at the last postoperative follow up, the value was 8.40 ± 2.0º valgus. The mean correction angle was 08.1 ± 2.0º. A significant increase in PTS was evident (P less 0.01) as was a significant decrease in the ISI.
The Ilizarov technique with hinges gives accurate correction and maintains stability until the osteotomy gap is completely regenerated and healed. The Ilizarov fixator increased PTS.

© Bari M.M., Islam S., Shetu N.H, Rahman M., 2018


high tibial osteotomy, medial open wedge osteotomy, knee osteoarthrosis, varus deformity, Ilizarov

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