Using MRI to Differentiate Synovial Reponses in Patients with Total Knee Arthroplasty
Matthew F. Koff1, Elexis Padgett2, David Landy2, Peter Sculco3, Thomas Sculco3, Timothy Wright2, and Hollis G. Potter1
1Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY, United States, 2Department of Biomechanics, Hospital for Special Surgery, New York, NY, United States, 3Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, United States
Many patients are satisfied following total knee arthroplasty (TKA) surgery, but post-operative challenges occur. This study evaluated synovial reactions in patients with TKA and related pre-operative MRI findings to direct evaluation of retrieved tibial polyethylene liners from revision surgery. Patients with synovial response of 'arthrofibrosis' had less damage to the tibial insert than patients with a synovial response of 'polymeric'. MRI was able to distinguish specific synovial responses directly to clinically confirmed arthrofibrosis and aseptic loosening.
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