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Can The Contralateral Knee Effectively Estimate Pre-Injury Patellar Height? A Control Study, Benjamin Albertson, Andrew Ockuly, Ian Fletcher, Daniel Wascher

Western Journal of Orthopaedics

Introduction: Patellar height abnormalities have been associated with patellar instability, which is common among adolescents and young adults. Pre-injury patellar height is often unknown in patients with a patellar instability episode. The purpose of this study was to determine whether patellar height of one knee could effectively estimate patellar height of the contralateral knee in control patients between the ages of 13 and 25 years. Methods: A retrospective chart review was conducted to identify 40 patients who obtained bilateral knee radiographs with no prior surgical intervention or diagnosis of injury to the extensor mechanism. CatonDeschamps Index (CDI) was measured by …