Abstract #3966
Fat-water separated myocardial T 1 imaging of the right ventricle with IDEAL-T 1 saturation recovery gradient echo imaging
Joseph J Pagano 1 , Kelvin Chow 1 , Ray Yang 1 , and Richard B Thompsoon 1
1
Biomedical Engineering, University of
Alberta, Edmonton, Alberta, Canada
Myocardial T
1
imaging
is an emerging tool for tissue characterization, however
its use has been limited to the left ventricle. We
developed a novel MRI sequence (IDEAL-T
1
)
that combines fat-water separation and T
1
imaging,
with and without black blood preparation, for myocardial
T
1
imaging,
including the right ventricle. We evaluated IDEAL-T
1
using
Bloch equation simulations, phantom, and in vivo
studies. IDEAL-T
1
, with and without dark
blood preparation, showed good agreement in phantoms and
in vivo. The dark blood preparation allowed for right
ventricular analysis in all, however showed lower T
1
values
than bright blood images likely due to perfusion
effects.
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