Combined Medial Unicompartmental Knee Arthroplasty and Revision Allograft Anterior Cruciate Ligament Reconstruction.

Froom, Ryan J; Panos, Alexi J; Kessenich, Molly E; Dickinson, Nate; DeFoor, Mikalyn T; Cafferky, Nathan; Provencher, Matthew T · Arthrosc Tech · 2026

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Abstract

Combined medial unicompartmental knee arthroplasty and revision anterior cruciate ligament reconstruction with an Achilles tendon allograft offers a promising solution for young, active patients with isolated medial compartment osteoarthritis and a failed prior anterior cruciate ligament reconstruction. This technique restores knee stability and function through a joint-preserving approach. Precise preoperative planning, anatomic tunnel placement and meticulous component alignment are critical steps for successful outcomes. This technique article outlines a single stage, joint-preserving procedure for isolated, symptomatic medial compartment osteoarthritis with knee instability.