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Pediatric Management of Recurrent Patellar Instability

Patellofemoral instability is a common orthopedic condition in children and adolescents, with recurrent instability often requiring surgical intervention. Age, bilateral instability, and various anatomic features such as trochlear dysplasia, patella alta, increased tibial tubercle to trochlear groove distance, and patellar tilt have all been described as risk factors for recurrent patellar instability. Medial patellofemoral ligament reconstruction has become the mainstay of treatment for addressing recurrent patellar instability in skeletally immature patients. For some patients, additional interventions such as distal realignment and guided growth procedures may be required to address anatomic pathology. This article discusses various risk factors associated with patellofemoral instability, reconstruction techniques, and a case example.