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The effect of patient age and diagnosis on the 5-year outcomes of mobile-bearing total ankle replacement

Lookup NU author(s): Sarah Johnson-Lynn, Jayasree Ramaskandhan, Malik Siddique


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© 2018 Elsevier Ltd Total Ankle Replacement is an established technique for the management of end-stage ankle arthritis. However, there are few studies focussing on patient-reported outcomes in the medium and long term related to age or arthritis type. We compared demographic data and patient-reported outcomes preoperatively and at five years postoperatively for patients who underwent total ankle replacement with the aim of establishing whether differences exist in outcome depending on patient age or diagnosis. The Foot and Ankle Score (FAOS) and 36-item Short-Form (SF-36) Health Survey were analysed by diagnosis (osteoarthritis, rheumatoid arthritis, post-traumatic arthritis) and age (under or over 60 years). At 5 years, the post-traumatic arthritis group had a significantly higher composite score than the osteoarthritis (p < 0.0001) or rheumatoid arthritis groups (p < 0.0001). Only the post-traumatic arthritis group experienced a significant increase in composite SF-36 score from baseline (p < 0.0001). There was a significant improvement from pre-operatively to 5 years in all three domains of the FAOS and in total scores in both groups (over 60 p < 0.0001; 60 and under p = 0.0002). There was a significant improvement in composite SF-36 score from pre-operative to 5 years in the patients 60 years or younger at the time of surgery (p = 0.0006), but not for the patients over 60. Three patients have been revised (4%), at a mean of 4.8 years following surgery with one patient awaiting revision.

Publication metadata

Author(s): Johnson-Lynn SE, Ramaskandhan J, Siddique MS

Publication type: Article

Publication status: Published

Journal: Foot

Year: 2018

Volume: 36

Pages: 1-5

Print publication date: 01/09/2018

Online publication date: 11/07/2018

Acceptance date: 09/07/2018

ISSN (print): 0958-2592

ISSN (electronic): 1532-2963

Publisher: Churchill Livingstone


DOI: 10.1016/j.foot.2018.07.001


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