Abstract #3086

Positive DTI Findings After Recovery Following Youth Sport-Related Concussion May Be of Little Clinical Relevance

Najratun Nayem Pinky¹, Carolyn Emery^2,3,4, Chantel Debert⁵, and Bradley Goodyear^1,6,7

¹Biomedical Engineering Graduate Program, University of Calgary, Calgary, AB, Canada, ²Paediatrics, Faculty of Medicine, University of Calgary, Calgary, AB, Canada, ³Community Health Science, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada, ⁴Faculty of Kinesiology, University of Calgary, Calgary, AB, Canada, ⁵Physicial Medicine & Rehabilitation, Department of Clinical Neurosciences, University of Calgary, Calgary, AB, Canada, ⁶Department of Radiology, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada, ⁷Clinical Neurosciences and Psychiatry, University of Calgary, Calgary, AB, Canada

Mild traumatic brain injury (mTBI), including sport-related concussion, is a major health issue. Diffusion Tensor Imaging (DTI) can be useful for identifying alterations in white matter tracts following sport-related concussion. We found that fractional anisotropy (FA) significantly differed between recovered and control youth within the right anterior thalamic radiation and the right inferior longitudinal fasciculus; however, the effect size (< 0.02 change in FA) suggests that the difference may be of little or no clinical relevance, given the recovered group exhibited no symptoms. Large cohort studies are needed before statistically significant MRI findings should be used to inform return-to-play policy

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