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Abstract #0253

Reproduciblity of advanced MR metrics in a multi-site, multi-vendor study of mild traumatic brain injury

Andrew Scott Nencka1, Timothy Meier2, Yang Wang1, Yu-Chien Wu3, Brad Swearingen2, Robin Karr1, Melissa Koschnitzke2, Andy Saykin3, Michael McCrea2, and Kevin M Koch1

1Radiology, Medical College of Wisconsin, Milwaukee, WI, United States, 2Neurosurgery, Medical College of Wisconsin, Milwaukee, WI, United States, 3Radiology and Imaging Services, Indiana University, Indianapolis, IN

The Advanced Research Core of the Concussion Assessment Research and Education consortium includes a multi-site, multi-vendor, multi-contrast imaging acquisition protocol with T2 FLAIR, quantitative T2*, task free fMRI, ASL, and DTI. This abstract describes the variance of measurements made in the first year and a half of the study from these imaging methods across a cohort of non-contact sport control athletes. With the variance of these measurements in the colligate athlete population known, the sensitivities of the individual and combined contrasts to diagnose injury and recovery can be assessed.

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