Effect of the Reverse Cotton Osteotomy on First Metatarsal Position: A Cadaveric Study
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This study investigates the impact of the reverse Cotton osteotomy (RCO) on the position of the first metatarsal in the correction of adult-acquired flatfoot deformities, specifically measuring changes in the talo-first metatarsal angle (Meary angle) through a cadaveric model. The results indicate that RCO significantly improves the Meary angle with 1-, 2-, and 3-mm wedge sizes, but not with a 4-mm wedge, suggesting that limiting the wedge size to a maximum of 3 mm may optimize surgical outcomes. These findings aim to provide guidance for surgeons in employing RCO to enhance postoperative results in flatfoot correction.
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