| Summary: | Background: First-time lateral patella dislocations are generally treated nonoperatively. However, the ideal form of conservative management and immobilization remains unknown. We compare the clinical outcomes after different immobilization methods.
Methods: Paediatric-age patients that met our inclusion criteria, and presenting with a first episode of lateral patella dislocation to our hospital from 2006 to 2013, were enrolled. Different immobilization methods included brace, backslab, or cylinder cast. A retrospective review was performed to compare bracing against other immobilization methods, using a primary outcome measure of redislocation rate, and secondary outcome measures like progression to surgery, range-of-motion, pain, and weight-bearing status.
Results: A total of 142 patients (with 147 affected knees) with minimum 1-year follow-up were included in the study. Bracing was found to be superior to other immobilization methods in preventing repeat dislocations, and need for subsequent surgery. At 6 weeks, patients treated with the backslab had the highest incidence of pain. There were no differences with regards to range-of-motion or weight-bearing status.
Conclusion: We recommend the use of a brace, with a progressive rehabilitation protocol in the management of first-time lateral patella dislocators. This study is also unique, in that it specifically addresses nonoperative management of first time patella dislocators in a paediatric-age population group.
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