Patellar instability is a common clinical problem that can have failure rates from 30-80% with non operative treatment. This can be due to anatomic factors including dysplasia, age, soft tissue laxity, patellar height and others. While many of these factors can be addressed surgically, it is not clear which factors put patients at increased risk for failure of surgical management with isolated MPFL reconstruction. Therefore, the purpose of this study is to collect all risk factors associated with non operative failure in the setting of surgical patellar stabilization to determine which factors can be ignored in that setting. This information could help patients avoid unnecessary surgery that can add risks and complications.
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