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Abstract #1141

Diffusion Tensor Imaging detects recovery after acute muscle injury

Melissa Tamara Hooijmans1, Jithsa R. Monte2, Martijn Froeling3, Jos Oudeman4, Johannes L. Tol5, Mario Maas2, Gustav J. Strijkers1, and Aart J. Nederveen2
1Department of Biomedical Engineering & Physics, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands, 2Department of Radiology & Nuclear Medicine, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands, 3Department of Radiology, University Medical Center Utrecht, Utrecht, Netherlands, 4Department of Orthopaedic Surgey, University Medical Center Utrecht, Utrecht, Netherlands, 5Department of Orthopaedic Surgey, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands

41 athletes with an acute hamstring injury underwent MRI examination of their injured leg and the uninjured contralateral leg at three different time points: (1) within one week after the index injury (baseline), (2) two weeks after baseline, and at (3) Return to Play (RTP). Baseline DTI values (MD, RD and the three eigenvalues) were elevated compared to control hamstring muscles and decreased during the RTP phase. qT2 values were elevated after the index injury and did not change over time. DTI is promising for monitoring recovery of hamstring injuries.

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