Abstract #1486
Self-Gated Fat-Suppressed Cardiac Cine MRI
R Reeve Ingle 1 , Juan M Santos 2 , William R Overall 2 , Bob S Hu 1,3 , and Dwight G Nishimura 1
1
Electrical Engineering, Stanford University,
Stanford, California, United States,
2
HeartVista,
Inc., Menlo Park, California, United States,
3
Palo
Alto Medical Foundation, Palo Alto, California, United
States
A technique for fat-suppressed self-gated cardiac cine
imaging is demonstrated, which enables cardiac cine
imaging without the need for external electrocardiogram
(ECG) gating. Fat suppression is achieved using an
alternating repetition time (ATR) balanced steady-state
free precession (bSSFP) pulse sequence. By redesigning
the slice-select rephaser gradients, one-dimensional
projection navigators can be acquired during the unused
short TR interval. Volunteer and patient results are
presented and compared with ECG-gated ATR and bSSFP
acquisitions.
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