Abstract #1612
Feasibility of entire cardiac MRI examinations during free breathing using GRICS motion correction
Freddy Odille 1,2 , Bailiang Chen 1,2 , Anne Menini 1,2 , Pauline Ferry 1,2 , Marine Beaumont 2,3 , Jacques Felblinger 1,2 , and Laurent Bonnemains 1,2
1
U947, Inserm, Nancy, France,
2
IADI,
Universit de Lorraine, Nancy, France,
3
CIC-IT
801, Inserm, Nancy, France
Cardiac MRI conventionally relies on a large number of
breath holds. This is relatively inefficient as it
results in a high scanner idle time and motion
inconsistencies (misalignment between sequences). In
this work we evaluate the feasibility and potential
benefits of performing a whole cardiac examination
during free-breathing using GRICS non-rigid motion
correction. The approach was validated in 5 Duchenne
muscular dystrophy patients with a cardiac protocol
including free-breathing function (2D short-axis SSFP
with whole heart coverage) and fibrosis assessment
(post-contrast cine and 3D late enhancement). These
preliminary results indicate diagnostic quality can be
achieved along with good motion consistency.
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