Preoperative MRI is helpful but not sufficient to detect associated lesions in patients with chronic ankle instability

Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA
Kevin StaatsReinhard Schuh

Abstract

The aim of this study was to determine the reliability and validity of preoperative magnetic resonance imaging (MRI) scans for the detection of additional pathologies in patients with chronic ankle instability (CAI) compared to arthroscopic findings. Preoperative MRI images of 30 patients were evaluated regarding articular and periarticular comorbidities and compared to intraoperative findings. The reliability of MRI was determined by calculating specificity, sensitivity, as well as positive and negative predictive values. The accuracy of the classification of cartilage lesions by Outerbridge and Berndt and Harty rating scales was determined by calculating the area under the receiver operating curve (AUC). In total, 72 additional pathologies were found arthroscopically compared to 73 lesions gathered from MRI images. Sensitivity ranged from 89% for peroneal tendinopathy to 28% for additional ligamentous lesions. Specificity ranged from 100% for anterolateral impingement, loose bodies and peroneal tendinopathy to 38% for additional ligamentous lesions. For cartilage lesions, sensitivity was at 91% and specificity was at 55% for the Outerbridge grading scale. For the Berndt and Harty classification system, sensitivity was at 91% ...Continue Reading

References

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Citations

Nov 16, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Guillaume CordierFrederick Michels
Jul 31, 2020·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Kathrin RellensmannSebastian Felix Baumbach
May 24, 2018·Journal of Orthopaedic Surgery and Research·Shengxuan CaoChao Zhang
Nov 8, 2020·Current Reviews in Musculoskeletal Medicine·Kenneth J Hunt, Rebecca Griffith
Sep 8, 2020·Clinics in Sports Medicine·Eric FerkelCory Kwong
Apr 2, 2021·The Journal of Orthopaedic and Sports Physical Therapy·Robroy L MartinDominic Carreira
Apr 29, 2021·Orthopedic Research and Reviews·Byung-Hyun Ahn, Byung-Ki Cho

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