Quadricep ACL Reconstruction Techniques and Outcomes: an Updated Scoping Review of the Quadricep Tendon
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PURPOSE OF REVIEW: The purpose of this review is to provide an up-to-date summary on the most recent literature examining techniques and outcomes in anterior cruciate ligament (ACL) reconstruction using quadriceps tendon (QT) which will enable surgeons to make well informed evidence-based decisions when choosing a particular graft option and technique in ACL reconstruction. RECENT FINDINGS: Several RCTs and systematic reviews have been published recently on this topic, and overall, there were no differences found between the QT, HT, and BPTB groups in patient-reported outcomes, stability testing, or graft re-rupture rates. In terms of strength testing, the QT group did have inferior knee extensor strength on isokinetic testing when compared to the HT group, whereas the HT group had inferior knee flexor strength compared to the QT group. No differences were found on strength testing between the QT and BPTB groups. Currently, two large RCTs, the Stability2 and SQuASH trials, are ongoing examining the effectiveness of the QT vs BPTB with or without LET and QT vs HT in the pediatric population which will help shed further light on the effectiveness of the QT as a graft choice in ACL reconstruction. The findings of this scoping review demonstrate that the QT is an excellent graft option in ACL reconstruction both in the primary and revision settings, among adult and pediatric populations. This review provides surgeons with further assurance when selecting QT autograft in ACL reconstruction.
