Abstract #3898
Beat-specific estimate of PVC-compromised cardiac function via non-gated free-breathing MRI
Dariya I. Malyarenko 1 , Thomas L. Chenevert 1 , Gisela C. Mueller 1 , Justin Saunders 2 , Frank M. Bogun 2 , and Scott D. Swanson 1
1
Radiology, University of Michigan, Ann
Arbor, MI, United States,
2
Internal
Medicine: Cardiology, University of Michigan, Ann Arbor,
MI, United States
Improved imaging techniques are needed for early
assessment of left ventricular dysfunction in patients
with frequent premature ventricular contractions (PVCs).
Accurate beat-specific assessment of cardiac function is
required for appropriate disease prognosis and therapy
choice. Conventional cardiac MRI acquisition is
compromised by arrhythmia-rejection data filtering and
breath-hold induced variations in cardiac function. This
preliminary study evaluates free-breathing non-gated
real time MRI acquisition retrospectively synchronized
with physiological data for cardiac function analysis
during PVCs.
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