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Outcomes of total ankle replacement comparable between arthritis patients
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Among patients with post-traumatic osteoarthritis, early outcomes after total ankle replacement are comparable with outcomes for patients with osteoarthritis and rheumatoid arthritis, according to study results.
Based on preoperative diagnosis of type of arthritis, researchers allocated 106 consecutive patients who underwent total ankle replacement between March 2006 and December 2009 into a post-traumatic osteoarthritis (OA) group, a rheumatoid arthritis group and an osteoarthritis group. Researchers collected and analyzed patient demographic data, American Orthopaedic Foot & Ankle Society (AOFAS) scores and patient-reported outcomes preoperatively and at both 1 year and 2 years postoperatively as measured with use of the Foot and Ankle Outcome Score (FAOS), the 36-item Short-Form (SF-36) Health Survey and patient-satisfaction scores
Results showed the post-traumatic OA group was significantly younger compared to the other groups, while the rheumatoid arthritis group had a significantly lower mean body mass index and the OA group had a higher proportion of men. Preoperatively, the post-traumatic OA group reported better scores for two of the eight domains of the SF-36. According to study results, the post-traumatic OA group and the rheumatoid arthritis group demonstrated better FAOS results regarding pain vs. the OA group at 1 year postoperatively. The post-traumatic OA group also reported better scores for the general health domain of the SF-36. Researchers found the post-traumatic group continued to show significantly higher scores for the general health domain of the SF-36 at 2 years. However, no significant difference was found between the groups in terms of the AOFAS scores, other FAOS results or the patient-satisfaction scores at 1 year and 2 years postoperatively.
Disclosure: The researchers have no relevant financial disclosures.
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