Abstract
Category: Hindfoot Introduction/Purpose: Authors retrospectively reviewed and compared the data of patients who underwent 1st metatarsal osteotomy alone, Dwyer’s osteotomy alone and 1st metatarsal osteotomy combined with Dwyer’s osteotomy to figure out the effect on radiographic parameters for the correction of pes cavo-varus. Methods: Data on 28 cases in 27 consecutive patients recruited from 2006 to 2014 who underwent 1st metatarsal osteotomy alone (Group F), Dwyer’s osteotomy alone (Group H) or 1st metatarsal osteotomy followed by Dwyer’s osteotomy (Group HF) with a minimum 1-year follow-up were reviewed retrospectively. Results: Calcaneal pitch angle on the standing foot lateral radiographs was significantly decreased after operation in group H and HF whereas Meary angle was decreased in group F and HF. Hindfoot alignment angle and ratio on the hindfoot alignment view were improved in group H and HF. Maximal medial cuneiform height reduction was shown in group HF. 1st ray was significantly shortened in group F and HF. Conclusion: Combined forefoot and hindfoot operation took the largest correction power for all radiologic parameters.
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