Second-Look Arthroscopic Evaluation and Clinical Outcome After Supramalleolar Osteotomy for Medial Compartment Ankle Osteoarthritis
2017
Background:The aim of this study was to evaluate the clinical and radiologic outcomes of medial compartment ankle osteoarthritis after supramalleolar osteotomy (SMO) without the bone marrow stimulation procedure and confirm cartilage recovery by second-look arthroscopy.Methods:Twenty-two ankles that were followed for more than 1 year after SMO were retrospectively reviewed. Visual analog scale pain scores and American Orthopaedic Foot & Ankle Society ankle-hindfoot scores were used for functional evaluations. The tibial anterior surface angle and tibial lateral surface angle were measured on radiographs, and ankle osteoarthritis was classified by Takakura stage. Among the 22 patients, 21 underwent ankle arthroscopy prior to SMO, and second-look arthroscopy was performed in 16 patients 1 year postoperatively. Tibiotalar cartilage regeneration was evaluated according to the modified Outerbridge classification for the 14 patients who had undergone SMO without the bone marrow stimulation procedure.Results:The...
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