High complication rates were reported with the graft usage when performing lateral column lengthening in cerebral palsy patients. In order to overcome such technical difficulties, we designed a titanium cubic cage and the purpose of this study was to describe this new fixation method and report results after calcaneal lengthening osteotomy using this new implant. Used in 86 feet of 55 patients. Average patient age was 11.6 years, and mean follow-up was 42.6 months. Clinical examination was performed preoperatively and in follow-up. In the anteroposterior radiographs, the talonavicular coverage and the talus-first metatarsal angles and in the lateral radiographs, the talocalcaneal and the talus-first metatarsal angles were measured. Forefoot abduction improvement and medial longitudinal arch was successfully reestablishment were detected in almost all of the patients. All patients showed significant improvement in mean talonavicular coverage, anterior talus-first metatarsal, lateral talocalcaneal, and lateral talus-first metatarsal angles. Our results show that TCC provides significant correction and stable fixation and reduced complication rates compared in CP.
Key words: Flatfoot, cerebral palsy, planovalgus foot, calcaneal lengthening, calcaneal osteotomy
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