alexa Revision total knee arthroplasty for aseptic and septic causes in patients with rheumatoid arthritis.
Orthopaedics

Orthopaedics

Journal of Arthritis

Author(s): Garcia RM, Hardy BT, Kraay MJ, Goldberg VM, Garcia RM, Hardy BT, Kraay MJ, Goldberg VM, Garcia RM, Hardy BT, Kraay MJ, Goldberg VM, Garcia RM, Hardy BT, Kraay MJ, Goldberg VM

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Abstract Revision total knee arthroplasty in patients with rheumatoid arthritis can be challenging. We asked whether we could confirm previously reported high failure rates following revision total knee arthroplasty in patients with rheumatoid arthritis. We therefore determined the Knee Society knee score and function scores, radiographic evidence of failure, and overall survival of the revision procedure in these patients. We retrospectively reviewed 39 patients with rheumatoid arthritis who underwent 45 TKA revisions from 1994 to 2006. Twenty-seven of the 45 TKA revisions were for mechanical failure of the prosthetic components and 18 for infection. Five of the 27 knees (19\%) revised for mechanical failure subsequently failed a second time. Five of the 18 patients who underwent revision for infection died within 6 months and three of the remaining knees failed secondary to reinfection. Excluding the knees that failed, the average Knee Society knee score and function score improved in both subgroups. Two knees had radiographic evidence of nonprogressive tibial radiolucencies. The probability of survival for all knees (revision as the end point) was 76\% +/- 9\% at 5 years. We confirmed the previously reported high mortality and subsequent failure rates following revision total knee arthroplasty for both mechanical issues and infection in patients with rheumatoid arthritis and emphasize the potential difficulties in treating these patients. LEVEL OF EVIDENCE: Level IV, therapeutic study. See Guidelines for Authors for a complete description of levels of evidence.
This article was published in Clin Orthop Relat Res and referenced in Journal of Arthritis

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