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Categories: Abstracts, 2023, Poster

Does total ankle replacement help to improve physical activity in patients 2 year post-operatively? A pilot activity monitoring study

S. Hakeem, J. Ramaskandhan, S. Galloway, K. Smith, M. Siddique

¹Freeman Hospital, Newcastle, United Kingdom

Introduction: Step count and activity monitoring are objective tools to measure improvement in functional ability in patients undergoing Total ankle replacement (TAR); this area is underexplored in literature. Activity monitoring sensors provide additional information on physical activity and energy expenditure in addition to step counts. These carried out in a real-life environment helps us to understand the impact of intervention in improving physical activity. The aim of this study was to study physical activity patterns in the community in patients who underwent TAR surgery.

Methods: 10 patients who underwent a TAR between 2017 and 2019 were recruited. Exclusion criteria included previous reconstructive surgery, h/o infection, PVD, neurological disease and other joint replacements. Written consent was obtained. Patients were provided with ActivPAL TM activity monitor to wear over a 7-day period along with a self-reported diary to record activity patterns. This was carried out pre-operatively and 2 years. Data from sensors were downloaded and activity patterns were analysed with SPSS IBM 28 statistical package.

Results: 10 patients (7 males, 3 females) were recruited. Mean age of patients were 65.16 years (52.4 to 78.1yrs).there was a trend for improvement in Sitting / Lying (hours) from 121.36 to 132.56 (p=0.367) and Standing (hours) 25.53 to 33.23 (p=0.411), although this did not achieve statistical significance. Step count (in hours) improved from 8.8 hrs to 10.8 hrs (p=0.05); Step count increased from 38544 to 47074 (p=041) from pre-op to 2 years. Energy expenditure (metabolic equivalents) improved from 192.3 to 219.5 (p=0.033).

Conclusion: At 2 years post-operatively, TAR patients showed considerable improvement in step count and energy expenditure compared to pre-operative levels. The results of this novel study helps us to understand the functional improvements in terms of physical activity and energy expenditure gained from TAR surgery.

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Tags: TAR

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