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19.03.2020 | Trauma Surgery Open Access

Biomechanical considerations on a CT-based treatment-oriented classification in radius fractures

Archives of Orthopaedic and Trauma Surgery
W. Hintringer, R. Rosenauer, Ch. Pezzei, S. Quadlbauer, J. Jurkowitsch, T. Keuchel, T. Hausner, M. Leixnering, H. Krimmer
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A wide range of different classifications exist for distal radius fractures (DRF). Most of them are based on plane X-rays and do not give us any information on how to treat these fractures. A biomechanical understanding of the mechanical forces underlying each fracture type is important to treat each injury specifically and ensure the optimal choice for stabilization. The main cause of DRFs are forces acting on the carpus and the radius as well as the position of the wrist in relation to the radius. Reconstructing the mechanism of the injury gives insight into which structures are involved, such as ruptured ligaments, bone fragments as well as the dislocated osteoligamentous units. This article attempts to define certain key fragments, which seem crucial to reduce and stabilize each type of DRF. Once the definition is established, an ideal implant can be selected to sufficiently maintain reduction of these key fragments. Additionally, the perfect approach is selected. By applying the following principles, the surgeon may be assisted in choosing the ideal form of treatment approach and implant selection.

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