Plain Language Summary
This review examined the use of allografts for reconstructing the lateral collateral ligament (LCL) and posterolateral corner (PLC) of the knee, focusing on clinical and functional outcomes. Analyzing 19 studies with 547 patients for LCL reconstructions, the most common allograft was the Achilles tendon. Results showed significant improvements in knee stability and function, with Lysholm and IKDC scores increasing notably. However, the failure rate was 11.13%, and complications occurred in 19.75% of cases. For MCL reconstructions, involving 135 patients, similar improvements were noted, with a lower failure rate of 4.19% and a 10.93% complication rate. Overall, allografts provided satisfactory outcomes for both LCL and MCL reconstructions, though there was a relatively high graft failure rate for LCL/PLC reconstructions.
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