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. 1997 Oct;68(5):424-6.
doi: 10.3109/17453679708996255.

Recurrence after patellar dislocation. Redislocation in 37/75 patients followed for 6-24 years

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Recurrence after patellar dislocation. Redislocation in 37/75 patients followed for 6-24 years

H Mäenpää et al. Acta Orthop Scand. 1997 Oct.

Abstract

75 patients had closed treatment for a primary unilateral acute patellar dislocation. All patients were studied clinically, radiographically and for isokinetic thigh muscle performance a median of 11 (6-24) years later. During the follow-up, 37 patients had experienced recurrent dislocations. The functional outcomes were similar in patients with or without recurrence. Radiographically unstable patellar morphology, spontaneous reduction of the dislocation and low volume of hemarthrosis predisposed to recurrence.

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