Forty-seven cemented total knee arthroplasties in 32 patients with rheumatoid arthritis who were 55 years or younger (average, 43) were followed until death or a minimum of 15 years. The average follow-up was 18 years. There were 6 revisions; 5 of 6 revisions had severe polyethylene wear and osteolysis. All revisions occurred after 17 years (range, 17-23). Three of these had fracture of the tibial component associated with polyethylene wear through; the remaining 2 had loose tibial and femoral components. One patient sustained a distal femoral periprosthetic fracture requiring revision of the total knee. Cemented total knee arthroplasty in the young patient with rheumatoid arthritis is reliable and durable at an average 18 years of follow-up with an estimated survivorship of 100% at 15 years and 93.7% at 20 years.
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