Objective A retrospective analysis was conducted on 258 cases of knee arthroplasty in 10 years in order to study the clinical features of the patients and to observe the outcome of treatment.Methods From January 2000 to January 2010,266 cases of knee arthroplasty were performed in 258 patients.There were 250 unilateral TKA in 250 patients,and 16 bilateral TKAs in 8 patients.16 knees underwent patellar replacement in 16 patients.The diagnosis of the clinical conditions were osteoarthritis,rheumatism arthriti...