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Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_7 | Pages 15 - 15
1 Jul 2022
MRI AT ONE AND MINIMUM TWO YEARS AFTER ACL RECONSTRUCTION DEMONSTRATES THAT HAMSTRING GRAFTS HEAL AND INTEGRATE AT DIFFERENT RATES
Putnis S Klasan A Oshima T Grasso S Neri T Coolican M Fritsch B Parker D
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Abstract

Introduction

MRI has been increasingly used as an outcome measure and proxy for healing and integration after ACL reconstruction (ACLR). Despite this, it has not yet been established what a steady state graft MRI appearance is.

Methodology

MRI and clinical outcome measures were prospectively taken at 1 and minimum 2 years after hamstring autograft ACLR. MRI graft signal was measured using novel reconstructions both parallel and perpendicular to the graft, with lower signal indicative of better healing and expressed as the signal intensity ratio (SIR), and tunnel apertures analysed.