Abstract #2274

Real-Time 3D MRI with Random Undersampling Trajectories to Visualize Endovascular Catheters and Contrast Inflow

Matthew Ethan MacDonald¹,², David Adair,²³, Parviz Dolati,²⁴, Jerome Yerly,²³, Richard Frayne,²⁴

¹Biomedical Engineering, University of Calgary, Calgary, AB, Canada; ²Seaman Family MR Research Centre, Foothills Medical Centre, Alberta Health Services, Calgary, AB, Canada; ³Electrical and Computer Engineering, University of Calgary, Calgary, AB, Canada; ⁴Radiology and Clinical Neurosciences, University of Calgary, Calgary, AB, Canada

Real time imaging is used to visualize devices during endovascular procedures clinically with x-ray imaging. Magnetic resonance (MR) imaging has been used for applications that require imaging but implementations have been generally limited to 2D or bi-planar systems. In this work we present a hardware implementation and software solution that is capable of performing 3D reconstruction in real time. Imaging is accelerated with random undersampling trajectories and used to visualize endovascular devices and contrast agent inflow in anthropomorphic phantoms.