Patella luxation

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Last update: Thursday, 30 Mar 2023 at 6.49 pm.

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Etiology[edit | edit source]

x-ray image of a luxated patella

trauma / congenital disposition (more often ♀, also repeated habitual dislocations)
the patella usually Luxates laterally
cause of lat. luxation is almost always a congenital disposition: Knee valgus, high position of the patella (patella alta), congenital patella dysplasia, joint hyperlaxity syndrome, etc.

Diagnostics[edit | edit source]

acute dislocation: significant change in knee contour + blocking of movement in semiflexion, haemarthros
recurrent dislocation: Anamnesis opposite. patella luxation, congenital. disposition, sy joint hyperlaxity, clinically subluxation to luxation of the patella (examined rather in CA)
[[X-rays imaging|X-ray] – exclusion of an associated fracture, possibly. CT
ASK – will most accurately clarify the condition of the joint surfaces + the position of the patella

Treatment[edit | edit source]

reduction in CA, immobilization of the knee for 4-6 weeks
in case of recurrent dislocations, surgery – medialization of the patella open / arthroscopically (+ lateral release)

Links[edit | edit source]

References[edit | edit source]

GALLO, Jiří, et al. Ortopedie pro studenty lékařských a zdravotnických fakult. 1. edition. Olomouc : Univerzita Palackého v Olomouci, 2011. ISBN 978-80-244-2486-6.

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