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Abstract #3004

Changes in Cerebral Blood Flow after Youth Sport-Related Concussion and with Recovery

Najratun Nayem Pinky1, Carolyn Emery2, Chantel Debert3, and Bradley Goodyear4

1Biomedical Engineering Graduate Program, University of Calgary, Calgary, AB, Canada, 2Faculty of Kinesiology and Departments of Pediatrics and Community Health Sciences, University of Calgary, Calgary, AB, Canada, 3Department of Clinical Neurosciences, University of Calgary, Calgary, AB, Canada, 4Dept of Radiology, University of Calgary, Calgary, AB, Canada

Mild traumatic brain injury (mTBI), including sport-related concussion, is a major health issue. Changes in cerebral blood flow (CBF) following concussion, as measured by arterial spin labeling (ASL) MRI, may potentially be an indicator of injury or recovery. Compared to healthy controls, we found that CBF was significantly decreased in recently concussed youth ( within 14 days post-injury) within the regions of the occipital and parietal lobes, including the right precuneus. For these regions, CBF of recovered youth was greater than recently concussed and less than controls, though not significantly different from either group.

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