Der Unfallchirurg
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Pilon fractures are mainly severe and prognostically serious injuries with a high rate of relevant soft tissue involvement. The adequate decision making and choice of treatment in the early phase of trauma are of paramount importance for the final outcome. This essentially encompasses the management of the soft tissue damage, the surgical planning and the differentiated selection of procedures. ⋯ Knowledge of the multiple procedural variations for pilon fracture treatment creates the basis to optimize the treatment modalities and to take into account individual parameters of the fracture.
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Under optimal conditions, fractures of the tibial pilon can be definitively managed operatively within 6 h after the trauma. Under suboptimal conditions, preoperative antiphlogistic treatment, possibly after approximate correction and external fixation of the alignment, is a reasonable option. Osteosynthesis implies reconstruction of good joint congruency in anatomical orientation. The soft tissue coverage of the distal lower leg is relatively poorly constructed and there is a high risk of devascularization, necrosis and ensuing infection. ⋯ Open reduction and stabilization of pilon fractures enables rapid restoration of joint mobility. After having analyzed the fracture and setting the priorities, the treatment strategy should include a well-thought out selection of possible accesses.
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The anatomical reconstruction of tibial pilon fractures is a major challenge with respect to preoperative planning, time management and the intraoperative procedure. ⋯ Good clinical results can be achieved by an accurate preoperative planning with respect to the surgical procedure, time of surgery and the surgical steps. In cases of disregarding these points and inadequate surgical expertise, loss of function and reduced quality of life are impending.
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Because of the complex fracture morphology and vulnerable soft tissue coverage, fractures of the tibial pilon are difficult to treat. Complications are more common than in bi- or trimalleolar fractures. The surgeon has to know about the special risks of these injuries to avoid complications. ⋯ In late complications such as bony necrosis with or without deviation, non-union and osteoarthrosis of the ankle joint give the surgeon more time for planning the therapy. Intensive monitoring until bone healing is necessary in tibial pilon fractures to detect complications early and start the therapy immediately. This kind of therapy results in the best outcome for these patients.
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Intraarticular fractures of the distal tibia (pilon fractures) are rare injuries and today they occur mostly in traffic accidents and falls from a great height. There are simple fractures in the context of low-energy traumas, as well as complex comminuted fractures in high-energy traumas. ⋯ The systems used to classify the displaced distal pilon fractures are supposed to ensure the three-dimensional assessment of the fracture and provide high inter- and intra-observer agreement. In addition to the classification of Rüedi and Allgöwer, the classification of pilon fractures has been carried out using the AO classification.