• J Friederichs, C von Rüden, C Hierholzer, and V Bühren.
• Berufsgenossenschaftliche Unfallklinik Murnau, Professor-Küntscher-Str. 8, 82418, Murnau, Deutschland.
• Unfallchirurg. 2015 Apr 1;118(4):295-301.

BackgroundIntramedullary 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.ObjectiveThe aim of this article is to describe an effective method to control intraoperative torsion of the femur.MethodThe surgical technique described in this article is the standard procedure for femoral shaft fractures and subtrochanteric fractures in this level 1 trauma center. The patient is positioned in a lateral position on a radiolucent table with free draping of the injured leg. Using the C-arm, reduction can be performed with this technique with precise placing of the nails and torsion can be exactly adjusted and controlled with the aid of the femoral neck axis, the distal locking holes and both parallel femoral condyles.ResultsThe described technique represents an effective method for the intraoperative control of femoral torsion. With an acceptable and most probably clinically irrelevant bias, this technique is able to avoid significant rotational malalignment. It does not prolong the operative procedure and does not require additional navigation settings. It has also been shown to be helpful in the treatment of subtrochanteric fractures.ConclusionThe 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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