Abstract #4447
High-resolution three-dimensional ANGIE T1 mapping of the heart
Bhairav Bipin Mehta 1 , Michael Salerno 1,2 , and Frederick H Epstein 1,3
1
Department of Biomedical Engineering,
University of Virginia, Charlottesville, Virginia,
United States,
2
Department
of Medicine, Cardiology Division, University of
Virginia, Charlottesville, Virginia, United States,
3
Department
of Radiology and Medical Imaging, University of
Virginia, Charlottesville, Virginia, United States
Assessment of fibrosis in thin structures such as the
right ventricular (RV) and left atrial walls would be
valuable in various disorders. However, current cardiac
T1 mapping techniques have limited spatial resolution
for these applications. We previously developed a 2D
sequence, ANGIE, which enables high-resolution T1
mapping. However, high resolution 2D imaging is limited
by low SNR and time efficiency. In the present study, we
extend ANGIE to perform high-resolution
three-dimensional (3D) T1 mapping of the heart within a
clinically acceptable scan time. 3D ANGIE was evaluated
by performing comparisons with 2D ANGIE and 2D MOLLI in
six healthy volunteers.
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