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Abstract #4440

Free-running Simultaneous 3D Cardiac T1 Mapping and Cine Imaging Using a Linear Tangent Space Alignment Model

Yanis Djebra1,2, Thibault Marin1, Paul Kyu Han1, Isabelle Bloch3, Georges El Fakhri1, and Chao Ma1
1Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States, 2LTCI, Telecom Paris, Institut Polytechnique de Paris, Paris, France, 3LIP6, Sorbonne University, CNRS, Paris, France


Cardiac T1 mapping allows assessment of tissue characteristics and functioning of the heart. However, existing methods are limited in terms of spatial resolution and coverage due to limitations in acquisition speed and the presence of cardiac and respiratory motion. This work proposes a new reconstruction framework for simultaneous, high-resolution 3D cardiac T1 mapping and cine imaging of the heart at 3T from sparsely sampled k-space data.

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