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Abstract #3086

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

Najratun Nayem Pinky1, Carolyn Emery2,3,4, Chantel Debert5, and Bradley Goodyear1,6,7

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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