Quadriceps Tendon Autograft Versus Hamstring Tendon Autograft in Anterior Cruciate Ligament Repair: A Systematic Review and Meta-Analysis

Tan Tze Khiang, Aparna Subramaniam, Ross Radic

Research output: Contribution to journalAbstract/Meeting Abstractpeer-review


Quadriceps tendon (QT) autograft has recently become the popular choice of autograft in anterior cruciate ligament reconstruction (ACLR) and slowly replacing hamstring tendon (HT) autograft. QT autograft has traditionally served as the alternative of HT autograft, but recent studies revealed that QT autografts are not inferior to HT autografts. The purpose of this study was to provide an in-depth review the clinical and functional outcomes between QT and HT autografts in ACLR.
Databases of Pubmed, EMBASE, MEDLINE and CENTRAL were systematically searched from its inception until November 2020. All observational studies comparing QT and HT autografts in the ACRL surgery were included.
Twenty-two observational studies (3 randomized controlled trials and 19 comparative studies) comprising of 16952 patients (QT = 1407, HT = 15545) were included in quantitative meta-analysis. In comparison to HT autograft, patients who received QT autograft had similar postoperative Lysholm Score (MD:1.05, p = 0.44), Tegner Score (MD:0.11, p = 0.06), IKDC score (MD:0.48, p = 0.48), side to side laxity(MD:-0.08, p = 0.77), limb symmetry index (MD:1.87, p = 0.61), Pivot shift test grade 0 (OR:1.13, p = 0.74), Lachman test grade 0 (OR:2.38, p = 0.32), hamstring to quadriceps ratio (MD:-1.10, p = 0.82), incidence of graft failure (OR:0.68, p = 0.43), contralateral knee injury (OR:1.22, p = 0.61), peak torque muscle strength flexion (MD:-0.20, ρ = 0.10) and Cincinnati score (MD:-0.85, p = 0.66).
In this meta-analysis, the usage of QT autograft is not inferior to HT autograft in ACLR. Our study demonstrated comparable morbidity, clinical and functional outcome in QT and HT autografts, indicating that QT autograft is equally safe as HT autograft.
Original languageEnglish
Pages (from-to)znab259.934
JournalBritish Journal of Surgery
Issue numberSupplement 6
Publication statusPublished - 12 Oct 2021


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