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Arthroscopic Medial Reefing in Acute Patellar Dislocation

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Patellofemoral Pain, Instability, and Arthritis

Abstract

An acute lateral patellar dislocation is a complex injury to the knee joint. It is often caused by a combination of valgus force with a planted foot and an internal rotation of the femur or an external rotation of the tibia [29]. The severity of the injury ranges from elongation to complete rupture of the medial parapatellar soft tissue structures. Most often it may be associated with a rupture of the medial parapatellar retinaculum and the medial patellofemoral ligament (MPFL) as well as, more rarely, an osteochondral flake fracture [19, 27]. According to the literature a combined injury to the medial retinaculum and the MPFL may be present in approximately 65% of cases (Fig. 18.1) [25, 28].

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Correspondence to Rainer Siebold MD, PhD .

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Siebold, R., Sartory, N. (2010). Arthroscopic Medial Reefing in Acute Patellar Dislocation. In: Zaffagnini, S., Dejour, D., Arendt, E. (eds) Patellofemoral Pain, Instability, and Arthritis. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-05424-2_18

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  • DOI: https://doi.org/10.1007/978-3-642-05424-2_18

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