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Risk Factors and Demographics for Recurrent Lateral Dislocation of the Patella in Adults

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Disorders of the Patellofemoral Joint

Abstract

The management of acute dislocation of the patella is focused on the avoidance of long term instability. In the absence of surgery, around one third of the up to 77 traumatic knee dislocations which occur per 100,000 persons per year go on to chronic instability. Predictors include demographic factors (most importantly, the youth of the patient) and morphological factors. Those who go on to chronic instability generally have at least two morphological risk factors; the most important of these are trochlear dysplasia, patella alta, increased tibial tubercle-trochlear groove distance and generalised malalignment or malrotation of the lower limb.

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Rodríguez-Merchán, E.C., Encinas-Ullán, C.A., Liddle, A.D. (2019). Risk Factors and Demographics for Recurrent Lateral Dislocation of the Patella in Adults. In: Rodríguez-Merchán, E., Liddle, A. (eds) Disorders of the Patellofemoral Joint. Springer, Cham. https://doi.org/10.1007/978-3-030-12442-7_6

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  • DOI: https://doi.org/10.1007/978-3-030-12442-7_6

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