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The Bone & Joint Journal
Vol. 105-B, Issue 3 | Pages 301 - 306
1 Mar 2023
Jennison T Ukoumunne O Lamb S Sharpe I Goldberg AJ

Aims

Despite the increasing numbers of ankle arthroplasties, there are limited studies on their survival and comparisons between different implants. The primary aim of this study was to determine the failure rates of primary ankle arthroplasties commonly used in the UK.

Methods

A data linkage study combined National Joint Registry (NJR) data and NHS Digital data. The primary outcome of failure was defined as the removal or exchange of any components of the implanted device. Life tables and Kaplan-Meier survival charts were used to illustrate survivorship. Cox proportional hazards regression models were fitted to compare failure rates between 1 April 2010 and 31 December 2018.


Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_17 | Pages 5 - 5
1 Nov 2014
Ramaskandhan J Siddique M
Full Access

Introduction:. Ankle arthritis is a leading cause of pain and disability. The effect of this condition on physical and mental health is similar to end stage hip arthritis. There is paucity of literature on PROMS following total ankle replacements (TAR) in comparison to total hip replacement (THR) or knee replacement (TKR). We aimed to study 5 year outcomes of TAR in comparison with TKR and THR. Methods:. PROMS data from patients who underwent a primary THR, TKR or TAR from March 2003 to 2013 were collected from our hospital patient registry. They were divided into 3 groups based on the type of primary joint replacement. Patient demographics and patient reported outcomes (WOMAC, SF-36 scores and patient satisfaction scores at follow up) were compared at pre-op and 5 year follow up. Results:. There was data available on 1920 THR, 2582 TKR and 248 TAR patients. Pre-operatively, TAR patients reported higher function scores when compared to THR and TKR (40.2 vs. 34.2 and 35.8; p<0.05). For SF-36 scores, there was no difference between groups for general health, role emotional components (P>0.05); TAR patients reported similar scores to TKRs for physical domains; to THRs for the mental domains (P>0.05). At 5 years post-op, TARs reported lower scores than THRs and TKRs for function and stiffness. For SF-36 scores, TARs reported similar outcomes to THR and TKR for mental health components (p>0.05), similar scores to TKR for 3/4 physical domains (p<0.05), but lower satisfaction rates for ADL and recreation when compared to THR (P<0.05). Conclusion:. TAR patients had similar outcomes to THR or TKR patients for disease specific and mental health domains, and lower patient satisfaction rates in terms of pain relief, ADL and recreation. Further research is warranted including clinical outcomes along with PROMS with a long term follow up