Summary
The significance of postoperative mechanical stability to bone repair of comminuted fractures was investigated in an animal experimental study comparing four commonly employed operative methods of fracture stabilization: 1. Plate osteosynthesis combined with lag screw fixation; 2. Bridging plate osteosynthesis; 3. External fixation; 4. Static interlocking intramedullary nailing. As fracture model, a triple wedge osteotomy of the right sheep tibia was used. In regard to biomechanical strength, the method which gave best postoperative stability, plate osteosynthesis in combination with interfragmentary lag screws, did not result in the best bone repair. In this experimental setup, stabilization by bridging methods, inducing bone healing by secondary intention, gave better bone regeneration in the experimental fractures.
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With financial assistance from the Hauptverband der gewerblichen Berufsgenossenschaften Bonn-St. Augustin
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Heitemeyer, U., Claes, L., Hierholzer, G. et al. Significance of postoperative stability for bony reparation of comminuted fractures. Arch Orthop Trauma Surg 109, 144–149 (1990). https://doi.org/10.1007/BF00440575
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DOI: https://doi.org/10.1007/BF00440575