Abstract #2438
Investigation of patient positioning and MRE driver placement on Cardiac MR Elastography
Shivaram Poigai Arunachalam 1 , Arvin Arani 1 , Roger Grimm 1 , Kiaran McGee 2 , and Philip Araoz 1
1
Radiology, Mayo Clinic, Rochester, MN,
United States,
2
Medical
Physics, Mayo Clinic, Rochester, MN, United States
Characterizing myocardial tissue is of great importance
in diagnosing and treating various diseases of the heart
such as diastolic heart failure etc. Cardiac MR
Elastography is an MRI based phase contrast technique
that applies shear waves to the myocardium and estimates
its stiffness. Robust estimates for myocardial stiffness
demands high SNR wave images obtained in reasonable
amount of time. This study focuses on investigating the
optimal MRE driver location (apex, sternum and lateral
side) and patient position (supine vs. prone) that can
yield high amplitude shear waves for accurate myocardial
stiffness estimation for diagnosing heart diseases.
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