It was reported that patient underwent left and right partial knee arthroplasty on (b)(6) 2013.Subsequently, patient underwent a left revision on (b)(6) 2013 due to acute intra-articular infection.During the procedure, the tibial bearing was removed and replaced.Furthermore, the patient underwent a second left revision on (b)(6) 2013 due to instability with lateral compartment degeneration.The patient was converted to a total knee system.Patient also underwent a right knee revision on (b)(6) 2013 due to avascular necrosis and lateral femoral condyle collapse.During the procedure the right knee was converted to a total knee system.The patient uses a cane as needed.
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