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Abstract #0715

An Iterative Approach to Respiratory Self-Navigation enables 100% Scan Efficiency in 3D Free-Breathing Whole-Heart Phase Sensitive Inversion Recovery MRI

Giulia Ginami 1 , Simone Coppo 1 , Gabriele Bonanno 1 , Tobias Rutz 2 , Juerg Schwitter 2 , Matthias Stuber 1 , and Davide Piccini 1,3

1 Center for Biomedical Imaging (CIBM), Department of Radiology, University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland, 2 Division of Cardiology and Cardiac MR Center, University Hospital of Lausanne (CHUV), Lausanne, Switzerland, 3 Advanced Clinical Imaging Technology, Siemens Healthcare IM BM PI, Lausanne, Switzerland

The use of respiratory Self Navigation for 3D Whole Heart Phase Sensitive Inversion Recovery (PSIR) has not been exploited yet, since such acquisitions are characterized by strong contrast variations. An Iterative approach to SN showed to successfully compensate for respiratory motion and to enable 100% scan efficiency for PSIR applied to late Gadolinium enhanced imaging of the heart.

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