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Clinical Outcomes After Combined Anterior Cruciate Ligament and Anterolateral Ligament Reconstruction

Delaloye, Jean-Romain, MD; Murar, Jozef, MD; Gonzalez, Mauricio, MD; Amaral, Thiago, MD; Kakatkar, Vikram, MS Ortho; Sonnery-Cottet, Bertrand, MD

doi: 10.1097/BTO.0000000000000326

Background: Graft rupture rate, return to sport and persistent rotational instability remain a concern postoperatively following anterior cruciate ligament (ACL) reconstruction. The anterolateral ligament (ALL) has recently been shown to act as a lateral knee stabilizer that helps improve rotational stability. To improve functional and clinical outcomes, a combined ACL reconstruction with an associated ALL reconstruction has been proposed.

Purpose: The main purpose of this study was to evaluate the clinical outcomes of the combined ACL and ALL reconstruction.

Methods: A literature search in PubMed was performed and papers reporting on clinical outcomes after combined ACL and ALL reconstruction were identified. The inclusion criteria was a minimum 2-year follow-up.

Results: Five studies were included in the review. The overall graft failure rate in patients with ACL and ALL reconstruction was <3% at 2 years minimum after surgery. Comparison analysis in a high-risk population demonstrated that the graft failure rate in combined ACL and ALL reconstruction was 2.5 times lower than with isolated bone-patella tendon-bone graft and 3.1 times lower than with isolated hamstring graft. The medial meniscal repair failure rate was also 2 times lower in the combined ACL and ALL reconstruction group compared with isolated ACL reconstruction. Return to sport and functional outcomes did not show any significant difference between the groups. The rate of reoperations was not increased in patients with combined ACL and ALL reconstruction.

Conclusions: Overall, combined ACL and ALL reconstruction provides promising results that may improve graft rupture rates and meniscal repair failure rates, while maintaining excellent functional outcomes.

Centre Orthopédique Santy, FIFA Medical Centre of Excellence, Groupe Ramsay-Générale de Santé, Hôpital Privé Jean Mermoz, Lyon, France

B.S.-C. receives royalties from, and is a paid consultant for Arthrex Inc. The remaining authors declare that they have nothing to disclose.

For reprint requests, or additional information and guidance on the techniques described in the article, please contact Bertrand Sonnery-Cottet, MD, at or by mail at Centre OrthopédiqueSanty, 24 Avenue Paul Santy, Lyon 69008, France. You may inquire whether the author(s) will agree to phone conferences and/or visits regarding these techniques.

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