Der Unfallchirurg
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Tibiotalocalcaneal arthrodesis is indicated in severe combined arthritis of the upper and lower ankle joints and otherwise untreatable malpositioning of the hindfoot. ⋯ Currently available arthrodesis nails have a hindfoot valgus bend which allows the anatomy to be more faithfully reproduced and respected. Anatomical investigations show the endangered structures during retrograde arthrodesis nailing. The valgus bend of the arthrodesis nail necessitates a corresponding correctly placed opening in the calcaneus and talus as the entry point for the nail. A locking screw in the calcaneus running from posterior to anterior increases the stability and is now taken into consideration for nearly all designs of arthrodesis medullary nails. The compression mechanism can be used for apposition and pressing the arthrodesis surfaces together and locking in the hindfoot should be carried out in an angle stable fashion. Augmentation of the locking screws in the calcaneus with bone cement can be an option as a salvage procedure in revision cases.
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Intramedullary nailing is the gold standard for the treatment of femoral shaft fractures; however, rotational malalignment remains a common complication. The patient can be positioned on the fracture table in a supine position or alternatively in the lateral decubitus position without any traction. ⋯ The surgical technique of anterograde intramedullary nailing using the lateral decubitus position without any traction device and free draping of the injured leg represents a safe and reliable treatment concept and offers logistical advantages compared to the supine position of the patient on a fracture table. Together with other described methods of intraoperative torsional control of femoral fractures, the radiological technique described in this study is an easily applicable and safe method, which needs to be confirmed in clinical studies.
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Osteosynthesis of distal tibia fractures relies on stable fixation of the distal fragment. Modern intramedullary implants provide various fixation options for locking screws. These implants expand the indications for intramedullary nailing of tibia fractures towards more distally located fractures. ⋯ The initial stability to provide sufficient load bearing capacity appears to be provided by the available locking options. With at least two screws, preferably in crossed configuration and spaced over the largest available distance of the distal fragment, secure and stable fixation can be achieved. Insertion of the locking screws in a free hand technique typically results in jamming of the locking screw with the nail and with cortical bone, providing inherent angular stability of the construct. Angular stable locking features of the nail itself do not appear to improve mechanical stability or to affect healing of distal tibia fractures.
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We describe the case of an 88-year-old woman who presented with painful symptoms of the pelvis after low-energy trauma. Conservative treatment with pain therapy and pain-adapted mobilization was unsuccessful. Diagnostics showed a fragility fracture of the pelvic ring; therefore, we performed photodynamic bone stabilization (IlluminOss™) of the pubic bone and percutaneous cement-augmented fixation of the iliosacral joint assisted by computed tomography (CT) fluoroscopy. Imaging showed a stable healed fracture 4 months after surgery.