Abstract
IntroductionCombined posterolateral corner (PLC) - anterior cruciate ligament (ACL) tears account for 10% of complex knee injuries. In an ACL-PLC injured knee, an untreated PLC injury causes a significant increase in force on the ACL graft and may be a leading cause of graft failure. Case presentationA 26-year-old male patient with combined ACL and PLC injury. He was concurrently reconstructed in both ACL and PLC. We used 2 semitendinosus (1 in each knee) and 1 glacilis tendon (in the injured knee). The ACL was reconstructed by one 4-stranded simitendinosus with an all-inside technique and TightRope fixation. The PLC reconstruction utilized one femoral tunnel at the isometric point, graft fixation at the femoral tunnel by TightRope, and at the tibial tunnel by absorbable screw. After a follow-up of 9 months, Cincinnati's score was 70/100 and the IKDC score was B type. DiscussionThe main advantage is that surgeons do not have to care about tendon length and graft diameter compared to the previous method. ConclusionConcomitantly combined ACL and PLC reconstruction has good results in remaining knee functions and decreasing ACL reconstruction failure. However, femoral tunnel creation needs to be careful to avoid femoral tunnel intersections.
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