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Abstract #2889

Accuracy of “real-time” Echo-Planar Imaging Phase Contrast MRI

Pan Liu1, Sidy Fall2, and Olivier Baledent2,3
1University of Picardie Jules Verne/CHIMERE EA 7516, Amiens, France, 2Facing Faces Institute/CHIMERE EA 7516, Amiens, France, 3Medical image processing department, University hospital Amiens, Amiens, France

Compared with CINE phase contrast MRI (CINE-PC), echo-planar imaging phase contrast (EPI-PC) can achieve real-time quantification of blood flow, with lower SNR. In this study, the pulsating model of the simulated cerebral vasculature was used to verify the accuracy of EPI-PC. The imaging time of EPI-PC was 62ms/image at 1.2*1.2mm2 spatial resolution and FOV=100*60mm2. The reconstructed EPI-PC flow curve was extracted by homemade post-processing software. After comparison with CINE-PC flow curve, it was concluded that EPI-PC can provide an average flow with less than 3% error, and its flow curve will be similar to the CINE-PC flow curve in shape.

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