Abstract #3970
Right ventricular myocardial T1 and extracellular volume fraction (ECV) measurements using high resolution ANGIE T1 mapping
Bhairav Bipin Mehta 1 , Kenneth C Bilchick 2 , Xiao Chen 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
T1 mapping is routinely used for quantitative assessment
of left ventricular fibrosis. Assessment of fibrosis in
thin structures such as the right ventricular (RV) and
left atrial walls would be valuable in various
disorders. However, MOLLI, the current technique, has
limited spatial resolution for these applications. We
previously developed a sequence termed ANGIE, which
enables high-resolution T1 mapping. In the present
study, we investigated T1 mapping of the RV in healthy
volunteers and heart failure patients using ANGIE. Using
ANGIE, we measured the first RV T1 estimates (98096ms)
in healthy volunteers and RV ECV estimates (28.01.6%)
in heart failure patients.
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