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  • Title: Preliminary results comparing two methods of lateral column lengthening.
    Author: Thomas RL, Wells BC, Garrison RL, Prada SA.
    Journal: Foot Ankle Int; 2001 Feb; 22(2):107-19. PubMed ID: 11249219.
    Abstract:
    Forty-five patients (49 feet) underwent lateral column lengthening as treatment for painful pes planus. Twenty-five patients (27 feet) were available for both radiographic and clinical evaluation at least one year postoperatively. Of these 25 patients, 10 feet underwent Evans opening wedge osteotomy with tricortical iliac crest bone graft; 17 feet underwent calcaneocuboid distraction arthrodesis utilizing iliac crest bone graft. In addition, both groups underwent debridement of the posterior tibial tendon combined with transfer of the flexor digitorum longus into the navicular for reinforcement. Radiographic results documented marked improvement in all parameters. There was more improvement in the calcaneocuboid fusion group than the osteotomy group, but the difference was not statistically significant. Postoperative AOFAS rating scores averaged 87.9 for the osteotomy group and 80.9 for the distraction arthrodesis group. The difference was not statistically significant. Twenty of 25 patients (83.5%) in both groups were very satisfied. Twenty-four of 25 patients (96%) stated that knowing the final result they would have the same surgery again. Complications were reported for 32 patients (34 feet). Both the Evans opening wedge calcaneal osteotomy and calcaneocuboid distraction arthrodesis offer significant improvement in the radiographic parameters and AOFAS clinical scores for patients with painful, flexible flatfoot deformity. However, the complication rate remains high with both methods, and the rate of nonunion and delayed union with the calcaneocuboid distraction arthrodesis method remains a significant problem with this technique.
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