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The role of lateral extra-articular tenodesis in primary anterior cruciate ligament reconstruction: A systematic review with meta-analysis and best-evidence synthesis

journal contribution
posted on 2021-08-11, 05:12 authored by Brian Meldan Devitt, S Bell, Clare ArdernClare Ardern, T Hartwig, Tabitha PorterTabitha Porter, Julian FellerJulian Feller, Kate WebsterKate Webster
Background: The role of lateral extra-articular tenodesis (LEAT) to augment primary anterior cruciate ligament reconstruction (ACLR) remains controversial. Purpose: To determine whether the addition of LEAT to primary ACLR provides greater control of rotational laxity and improves clinical outcomes compared with ACLR alone and to assess the impact of early versus delayed ACLR. Study Design: Systematic review; Level of evidence, 3. Methods: Two reviewers independently searched 7 databases for randomized and nonrandomized clinical studies comparing ACLR plus LEAT versus ACLR alone. Animal, cadaveric, and biomechanical studies; revision or repair procedures; and studies using synthetic ligaments and multiligamentous-injured knees were excluded. Risk of bias was assessed with a modified Downs and Black checklist. The primary outcome was postoperative pivot shift. These data were pooled by use of a fixed-effects metaanalysis model. The studies were divided into delayed (>12 months) and early (≤12 months) reconstruction groups for metaanalysis. A best-evidence synthesis was performed on the remaining outcome measures. Results: Of 387 titles identified, 11 articles were included (5 of high quality). Meta-analysis of postoperative pivot shift in 3 studies of delayed primary ACLR showed a statistically significant difference for the pivot-shift test in favor of ACLR with LEAT (odds ratio [OR], 0.44; 95% confidence interval [CI], 0.24-0.81; P =.008; I2 = 0). Meta-analysis of 5 studies of early primary ACLR found no statistically significant difference with the addition of LEAT (OR, 0.60; 95% CI, 0.33-1.09; P =.10; I2 = 33%). Insufficient evidence was available to determine whether the addition of LEAT had any effect on clinical, objective, subjective, and functional outcomes. Conclusion: In primary ACLR, no evidence is available showing additional benefit of LEAT in reducing the postoperative pivot shift in early reconstructions (≤12months); however, LEAT may have a role in delayed ACLR. Strong evidence exists that a combined ACLR and LEAT reduces lateral femoral translation, but there is insufficient evidence to identify any benefit for other clinical outcomes.


Publication Date



Orthopaedic Journal of Sports Medicine





Article Number

ARTN 2325967117731767


12p. (p. 1-12)





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