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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