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The influence of footwear on functional outcome after total ankle replacement, ankle arthrodesis, and tibiotalocalcaneal arthrodesis

Frigg, Arno and Frigg, Roman (2016) The influence of footwear on functional outcome after total ankle replacement, ankle arthrodesis, and tibiotalocalcaneal arthrodesis. Clinical Biomechanics, 32. pp. 34-39. ISSN 0268-0033

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Identification Number: 10.1016/j.clinbiomech.2015.12.013

Abstract

Background: Gait analysis after total ankle replacement and ankle arthrodesis is usually measured barefoot. However, this does not reflect reality. The purpose of this study was to compare patients barefoot and with footwear. Methods: We compared 126 patients (total ankle replacement 28, ankle arthrodesis 57, and tibiotalocalcaneal arthrodesis 41) with 35 healthy controls in three conditions (barefoot, standardized running, and rocker bottom shoes). Minimum follow-up was 2 years. We used dynamic pedobarography and a light gate. Main outcome measures: relative midfoot index, forefoot maximal force, walking speed. Findings: The relative midfoot index decreased in all groups from barefoot to running shoes and again to rocker bottom shoes (p < 0.001). The forefoot maximal force increased wearing shoes (p < 0.001), but there was no difference between running and rocker bottom shoes. Walking speed increased by 0.06 m/s with footwear (p < 0.001). Total ankle replacement and ankle arthrodesis were equal in running shoes but both deviated from healthy controls (total ankle replacement/ankle arthrodesis smaller RMI p = 0.07/0.017; increased forefoot maximal force p = 0.757/0.862; slower walking speed p < 0.001). In rocker bottom shoes, this ranking remained the same except the relative midfoot index merged to similar values. Tibiotalocalcaneal arthrodesis were inferior in both shoes. Interpretation: Runners are beneficial and the benefit is greater for fusions and replacements. Rocker bottom shoes have little added benefit. Total ankle replacement and ankle arthrodesis were equal but inferior to healthy controls. Tibiotalocalcaneal arthrodesis has an inferior outcome.

Item Type: Article
Official URL: http://www.journals.elsevier.com/clinical-biomecha...
Additional Information: © 2016 Elsevier Ltd
Divisions: Philosophy, Logic and Scientific Method
CPNSS
Subjects: B Philosophy. Psychology. Religion > B Philosophy (General)
C Auxiliary Sciences of History > C Auxiliary sciences of history (General)
Sets: Departments > Philosophy, Logic and Scientific Method
Research centres and groups > Centre for Philosophy of Natural and Social Science (CPNSS)
Date Deposited: 28 Apr 2016 11:38
Last Modified: 20 Nov 2019 11:41
Projects: PBBSB-120882
Funders: Swiss National Research Foundation, Swiss Orthopaedic Association, Lichtenstein Foundation, Academic Society of the University of Basel
URI: http://eprints.lse.ac.uk/id/eprint/66264

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