• Raneem M Alshaban, Abdullah A Ghaddaf, Dalia M Alghamdi, Afnan Aghashami, Ali Alqrni, Abdulrahman A Alyasi, Hassan Bogari, and Sara Qadi.
• College of Medicine, King Saud bin Abdulaziz University for health Sciences, Jeddah, Saudi Arabia; King Abdullah International Medical Research Center, Jeddah, Saudi Arabia. Electronic address: Alshabanram@ngha.med.sa.
• Injury. 2023 Oct 1; 54 (10): 110926110926.

BackgroundAcute patellar dislocation is a common knee injury in adolescents and adults that is associated with a high incidence of medial patellofemoral ligament (MPFL) injuries. The aim of this network meta-analysis was to compare the different operative and non-operative protocols for the management of primary patellar dislocation (PPD).MethodsWe searched Medline, Embase, and CENTRAL databases. We included randomized controlled trials (RCTs) that compared operative and non-operative protocols for adolescent or adult patients with acute traumatic PPD. We sought to evaluate the clinical and functional outcomes of each management protocol by considering the results of Kujala score, Tegner activity score, redislocation rate, and subluxation rate. The effectiveness of the different management protocols was measured through frequentist network meta-analysis, using the Netmeta statistical package in R software. All treatment protocols were ranked using the netrank function, yielding P scores.ResultsA total of 10 RCTs were deemed eligible. As per P-scores, open MPFL repair yielded the highest effectiveness with respect to Kujala score (P=0.81) and lowest odds for redislocation (P=0.14) whereas arthroscopic MPFL repair yielded the highest effectiveness with respect to Tegner activity score (P=0.85) and lowest odds for subluxation (P=0.21). Arthroscopic MPFL repair showed a significant reduction in redislocation and subluxation rate.ConclusionThis network meta-analysis demonstrated arthroscopic MPFL repair is the most effective treatment protocol for the management of acute primary patellar dislocation.Copyright © 2023 Elsevier Ltd. All rights reserved.

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