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Abstract #2682

Cardiac and Respiratory Motion-Resolved Free-Running Whole-Heart Coronary MRA of Patients Using 5D XD-GRASP Reconstruction.

Giulia Ginami1, Simone Coppo1, Li Feng2, Davide Piccini1,3, Tobias Rutz4, Ricardo Otazo2, Daniel Sodickson2, Matthias Stuber1,5, and Jerome Yerly1,5

1University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland, 2Center for Advanced Imaging Innovation and Research (CAI2R), Department of Radiology, New York University School of Medicine, New York, NY, United States, 3Advanced Clinical Imaging Technology, Siemens Healthcare, Lausanne, Switzerland, 4Division of Cardiology and Cardiac MR Center, University Hospital of Lausanne (CHUV), Lausanne, Switzerland, 5Center for Biomedical Imaging (CIBM), Lausanne, Switzerland

Free-running self-navigated techniques have been introduced in order to allow for time resolved three-dimensional whole-heart MR acquisitions. A more recently proposed free-running 5D (x-y-z-cardiac-respiration) XD-GRASP (eXtra-Dimensional Golden-angle RAdial Sparse Parallel MRI) approach enables acquisition and reconstruction of cardiac- and respiratory-motion resolved 3D volumes. In this study, we investigated the potential of 5D XD-GRASP in a clinical setting.

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