Abstract #5595

Thigh Muscle Recruitment Following Total Knee Replacement Surgery Using Dynamic Magnetic Resonance Elastography (DMRE)

Michiel Robert Simons^1,2, Michael Perrins^2,3, Gwenllian Tawy⁴, Colin Brown⁵, Neil Roberts², Edwin J.R. van Beek², and Leela Biant⁴

¹Department of Clinical Surgery, University of Edinburgh, Edinburgh, United Kingdom, ²Edinburgh Imaging Facility, University of Edinburgh, Edinburgh, United Kingdom, ³MRC Centre for Inflammation Research, University of Edinburgh, Edinburgh, United Kingdom, ⁴Department of Trauma & Orthopaedic Surgery, University of Manchester, Manchester, United Kingdom, ⁵The Mentholatum Company Ltd., East Kilbride, Glasgow, United Kingdom

In this study, Dynamic Magnetic Elastography (DMRE) is applied to a clinical cohort. DMRE scans were carried out in patients with severe OA pre and post-op Total Knee Replacement. Muscle recruitment was identified through increased muscle stiffness. Post operatively, muscle stiffness changes observed during dynamic loading were markedly less compared with their pre-op scan. This study supports the use of personalised targeted physiotherapy in muscle rehabilitation.

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