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Complete fractures of the tibial pilon are rare and their treatment difficult. The pathophysiology includes three groups: (A) high-energy trauma (motor vehicle injuries), with severe articular and soft tissue lesions, (B) rotation trauma, (skiing accidents), with modest articular and soft tissue damage, and (C) low-energy trauma in elderly people. These three groups occasion very different problems and complications. In emergency situations, these fractures should be stabilized, most often using external fixation to restore length and prepare definitive fixation. The second stage can be applied once soft tissue healing is achieved. Two methods are discussed: internal plating and definitive external fixation. The first goal of treatment is to restore the articular surface, although this does not always prevent secondary arthritis. The second is to restore correct positioning of the foot as regard to the leg. The complication rate is high. Neither of the two fixation techniques has proven to be more effective. In group B, the two methods are similar, but external fixation seems to be safer in group A., (Copyright © 2014 Elsevier Masson SAS. All rights reserved.)

Background: Knowledge of the pathomechanism and the detailed extent of ankle joint lesions determines adequate therapy and success of treatment., Material and Methods: Supination external rotation lesions were induced in 29 human cadavera with a testing apparatus; 27 of these specimens were from elderly women. Bone mineral density was measured. The literature review includes experimental studies of this fracture entity., Results: We induced stage II in 42%; applying an additional lateral force on the fibula raised the incidence. The syndesmosis stayed intact in 50% although the fibula fractured at the level of the tibial plafond. Stage IV lesions were registered in 25%. The overall low bone mineral density showed a positive correlation to the angle at which the fibula fracture occurred., Conclusions: We reproduced supination external rotation lesions according to Lauge-Hansen in osteoporotic ankles. There is a certain discrepancy between the obligatory lesion of the inferior anterior tibiofibular syndesmosis at stage II according to Lauge-Hansen, as we observed an intact syndesmosis in 50% at stage II. Stage IV defining medial malleolar fractures were reproduced after Lauge-Hansen and Michelson et al.

There has been a significant increase in the incidence and severity of ankle fractures in the elderly population in the last few decades. Classification and diagnostic procedures in the elderly are not different from standards in younger patients. We provide an overview of the characteristic features of treatment of ankle fractures in the elderly. An algorithm for therapy of ankle fractures in the elderly is presented.