New Technique for Treatment of Unstable Distal Femur Fractures by Locked Double-plating: Case Report and Biomechanical Evaluation

摘要: Background: A comminuted, intra-articular distal femur fracture was surgically treated by the authors with a locked, double-plating technique because fixation stability could not be initially achieved using standard technique. The purpose of this study to determine biomechanically whether locked double-plate construct would enhance compared nonlocked construct. Methods: Six matched pairs mildly osteopenic femurs were selected and all had reproducible pattern created. Each pair underwent either or that randomly assigned. instrumented then mechanically tested in several loading modes stability. After initial testing, specimens cyclically loaded retested for Results: provided significantly greater than precycling postcycling biomechanical testing. Conclusion: described is particularly applicable severely comminuted fractures bone poor screw purchase. It offers simple alternative enhancing stability, which avoids potential complications methylmethacrylate-enhanced fixation.