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. 2020 May 11:20:286-292.
doi: 10.1016/j.jor.2020.03.030. eCollection 2020 Jul-Aug.

Quality measure of total ankle replacement outcomes in a non-designer centre

T Cheung  1 , A Din  2 , A Zubairy  3
Affiliations

Quality measure of total ankle replacement outcomes in a non-designer centre

T Cheung et al. J Orthop. .

Erratum in

Abstract

Background: Total ankle replacement (TAR) is a high-risk procedure with significant revision rates, post-op complications and implant failures. Long term follow-up data is less available for TAR compared to other joint replacement surgeries. To identify optimal follow-up parameters for patients with TAR, we conducted a study on the clinical outcomes and patient-reported outcome measurements (PROMs) in patients who had TAR performed in a non-designer's centre belonging to one of the hospitals of East Lancashire Hospitals NHS Trust (ELHT).

Methods: 60 TAR procedures were identified. Clinical outcomes being studied include post-op ankle range of movement (ROM), American Orthopaedic Foot & Ankle Society (AOFAS) Ankle-Hindfoot scores, reoperation/revision rates, radiological parameters and general surgical outcomes. A Kaplan-Meier survival analysis was also conducted. PROMs data included the EQ-5D index and the Manchester-Oxford Foot Questionnaire (MOX-FQ).

Results: Ankle range of movement and AOFAS scores improved from pre-op to post-op with statistical significance. The reoperation rate and revision rate were 3.3% and 8.3% respectively. 5-year survival of implant was 97.3% and 10-year survival was 84.2%. Overall PROMs data showed improvement from pre-op to post-op.

Conclusion: The clinical outcomes of TARs were comparable with conventional literature. Improvements in clinical, radiological and patient-reported outcomes were observed from pre-op to post-op. Further follow-up studies are required to assess the long-term survival of implants.

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Figures

Fig. 1
Fig. 1
Pre-op and post-op AOFAS comparison (Total & component scores).
Fig. 2
Fig. 2
Kaplan-Meier survival curve.
Fig. 3
Fig. 3
Pre-op and post-op changes in EQ-5D index.
Fig. 4
Fig. 4
Comparison of pre-op and post-op MOX-FQ scores (Total & component scores).
See this image and copyright information in PMC

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