Abstract #3940
CINE CARDIAC VIABILITY IMAGING BY IMAGE FUSION OF MRI TAGGING AND DELAYED HYPER-ENHANCEMENT IMAGES
Azza S. Hassanein 1 , Ayman M. Khalifa 1 , Brian P. Shapiro 2 , and El-Sayed H. Ibrahim 2
1
Helwan University, Cairo, Egypt,
2
Mayo
Clinic, Jacksonville, Florida, United States
Delayed-hyperenhancement(DHE) MRI provides a viability
image at single heartphase. Obtaining cine DHE images,
however, would allow for evaluating both viability and
wall motion information from a single set of images,
which could be useful for measuring myocardial
contractility and for treatment prognosis. However,
obtaining cine viability images requires repeatedly
playing the DHE sequence with different trigger delays,
which increases scan-time. In this study, we propose a
new technique for generating cine viability images
without additional scan-time. The technique is based on
measuring myocardial motion field from the tagged
images, which is used to generate DHE images throughout
the cardiac cycle.
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