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Abstract #1088

Prediction of Pial Collaterals using Delay and Dispersion Corrected MR Perfusion in Ischemic Stroke

Yong Ik Jeong1, Gregory Christoforidis1, Niloufar Saadat1, Steven Roth2, Marek Niekrasz1, and Timothy Carroll1
1University of Chicago, Chicago, IL, United States, 2University of Illinois College of Medicine, Chicago, IL, United States

After the onset of an ischemic stroke, blood flow may be restored to the affected territory via pial collateral blood vessels. In this study we investigate whether delay and dispersion corrected MR DSC perfusion can accurately measure the additional blood flow to estimate pial collaterals. The percent difference between non-corrected and corrected CBF is compared against measured pial collateral scores. The percent difference in CBF is found to be predictive of pial collateral scores. With more research, corrected MR DSC CBF may be used in the clinical setting for stroke patient management.

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