Abstract #4232
Improved myocardial contrast using novel complementary radial MR tagging technique
Zhe Wang 1,2 , A. Nasiraei Moghaddam 2,3 , Yunpeng Zou 4 , Subashini Srinivasan 1,2 , J.Paul Finn 2,5 , and Daniel B. Ennis 1,2
1
Department of Bioengineering, University of
California, Los Angeles, CA, United States,
2
Department
of Radiological Science, University of California, Los
Angeles, CA, United States,
3
Department
of Biomedical Engineering, Amirkabir University of
Technology, Tehran, Iran,
4
4.
Sino-Dutch Biomedical and Information Engineering
School, Northeastern University, Shenyang, Liaoning,
China,
5
Biomedical
Physics Interdepartmental Program, University of
California, Los Angeles, CA, United States
Complementary radial tagging (CRT) generates radial tags
with enhanced contrast throughout the entire cardiac
cycle. CRT is potentially useful for measuring left
ventricular (LV) contraction and torsion especially
during late systole and early to late diastole. The
previous CRT method was validated to work in >92% of
clinic cases, but required a table position shift and
the CRT pattern was non-ideal for some patients. Our
objective was to develop a new CRT method that
incorporates continuous RF phase adjustments to improve
that CRT pattern. The new method generates an excellent
CRT pattern without the need for a table shift.
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