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Congress: ECR25
Poster Number: C-27547
Type: Poster: EPOS Radiologist (scientific)
Authorblock: O. A. Binkert, C. W. Pfirrmann, K. Higashigaito, S. Fierstra, A. B. Rosskopf; Zurich/CH
Disclosures:
Oliver Andrew Binkert: Nothing to disclose
Christian W.A. Pfirrmann: Nothing to disclose
Kai Higashigaito: Nothing to disclose
Sonja Fierstra: Nothing to disclose
Andrea B. Rosskopf: Nothing to disclose
Keywords: Musculoskeletal soft tissue, MR, Diagnostic procedure, Acute, Oedema
Purpose Acute muscle injuries are of great importance in musculoskeletal (MSK) radiology due to their high prevalence in sports activities 1,2. The most common injury is a muscle strain that results from indirect trauma during sprinting, stretching, or jumping movements. These injuries are frequently seen in football, Australian football (AFL), American football (NFL), rugby, and various athletic disciplines 3-7. Acute muscle injuries can result in significant time loss from competition and an increased risk of re-injury. In many cases, clinical examinations alone...
Read more Methods and materials Ethical committee approval was obtained for this retrospective study. Institutional PACS and RIS reports were searched between December 2020 and June 2024. The inclusion criteria for patient selection were as follows: Age: 18–99 years Signed written informed consent MR imaging including at least two fluid-sensitive sequences in two different planes and one T1-weighted turbo spin-echo (TSE) sequence The term "acute muscle injury" stated in the report summary Exclusion criteria included incomplete examinations and non-diagnostic imaging quality. All patients were scanned in the supine position using...
Read more Results One hundred eleven acute muscle injuries in 110 patients (85% male) were assessed. Injured muscle groups included 85 thigh injuries (44 hamstring, 41 non-hamstring), 19 lower leg injuries, and 7 injuries in other locations (see Table 1 for patients`characteristics). Example cases can be seen in Figures 6-11. [fig 1] [fig 8] [fig 9] Kappa values (95% confidence interval) were as follows: 0.506 (0.499, 0.514) for BAMIC, 0.566 (0.549, 0.584) for the Munich Consensus Injury Classification, and 0.306 (0.302, 0.311) for the Chan et al. Classification....
Read more Conclusion The Munich Consensus Injury Classification and the BAMIC system demonstrate moderate interrater reliability, while the Chan et al. Classification exhibits fair interrater reliability. The highest reproducibility was observed for hamstring injuries using the Munich Consensus Injury Classification, while the lowest was for lower leg injuries using the Chan et al. Classification. The primary challenge across all classifications appears to lie in the precise anatomical localization of the injury, rather than in grading the severity of the injury.
Read more References 1 Edouard P, Branco P, Alonso JM. Muscle injury is the principal injury type and hamstring muscle injury is the first injury diagnosis during top-level international athletics championships between 2007 and 2015. Br J Sports Med. 2016 May;50(10):619-30. doi: 10.1136/bjsports-2015-095559. Epub 2016 Feb 17. PMID: 26887415.2 Ekstrand J, Hägglund M, Waldén M. Epidemiology of muscle injuries in professional football (soccer). Am J Sports Med. 2011 Jun;39(6):1226-32. doi: 10.1177/0363546510395879. Epub 2011 Feb 18. PMID: 21335353.3 Orchard JW, Seward H, Orchard JJ....
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