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Abstract #4216

Spectrum of complications demonstrated on MRI in patients who undergo revision total knee arthroplasty

Angela E Li 1 , Darryl B Sneag 1,2 , Alissa J Burge 1,2 , Shari T Jawetz 1,2 , Darius P Melisaratos 1,2 , and Hollis G Potter 1,2

1 Radiology, Hospital for Special Surgery, New York, NY, United States, 2 Weill Cornell Medical College, New York, NY, United States

A proportion of patients will experience long term pain following total knee arthroplasty (TKA), and some of these patients ultimately undergo revision TKA. The purpose of this retrospective study was to determine the prevalence of complications seen on MRI in cohort of 113 patients who subsequently underwent revision TKA. The spectrum of complications seen on MRI included the following: polymeric synovitis in 32%, osteolysis in 27%, loosening in 22%, non-specific synovitis in 20%, prominent synovial scarring and arthrofibrosis in 13%, infection in 17%, and periprosthetic fracture in 1% of patients. We compare our results with the causes for revision TKA reported in the orthopedic literature.

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