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  • Title: Combined anterior cruciate reconstruction and Oxford unicompartmental knee arthroplasty: in vivo kinematics.
    Author: Pandit H, Van Duren BH, Gallagher JA, Beard DJ, Dodd CA, Gill HS, Murray DW.
    Journal: Knee; 2008 Mar; 15(2):101-6. PubMed ID: 18248992.
    Abstract:
    The in vivo kinematics of 10 patients after combined anterior cruciate ligament reconstruction (ACLR group) and Oxford unicompartmental knee arthroplasty (UKA) was compared to those of 10 Oxford UKA patients with an intact ACL (ACLI group) and a group of 22 normal knees. The kinematics during a step-up exercise and a deep knee bend exercise was measured using a fluoroscopic technique. The patellar tendon angle (PTA) to knee flexion angle relationship during both exercises was similar for all three groups of subjects. For the UKA groups the pattern of mobile bearing movement during both exercises was similar. This study demonstrates that normal knee kinematics is achieved in the ACL deficient arthritic knee following ACLR and UKA. As a result these patients, who tend to be young and high demand, have excellent outcome and achieve high levels of function. As the relative position of the components and thus component loading are similar to the ACLI UKA, we would expect similar long term survival.
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