• M Wild, J Windolf, and S Flohé.
• Klinik für Unfall- und Handchirurgie, Heinrich Heine Universitätsklinikum Düsseldorf, Moorenstrasse 5, 40225, Düsseldorf. post@michaelwild.de
• Unfallchirurg. 2010 May 1; 113 (5): 401-11; quiz 412.

AbstractFractures of the patella account for approximately 0.5% to 1.5% of all skeletal injuries. The diagnosis is made by means of the mechanism of injury, physical and radiological findings. The kind of treatment of patella fractures depends on the type of fracture, the size of the fragments, the integrity of the extensor mechanism and the congruity of the articular surface. Independent of the kind of treatment an early rehabilitation is recommended. Modified tension band wiring is the most commonly used surgical treatment for patella fractures and can be used for almost every type of fracture. Due the superior stability in biomechanical studies two parallel cannulated lag screws combined with a tension band wiring are the treatment of choice for horizontally displaced two-part fractures. In comminuted fractures a partial or total patellectomy may be necessary. However, since the loss of quadriceps muscle power and the poor outcome total patellectomy should be considered as a salvage procedure.

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