Abstract #2669
Acceleration-Selective Magnetic Resonance Angiography
Kalina V Jordanova 1 , Taehoon Shin 2 , Adam B Kerr 1 , and Dwight G Nishimura 1
1
Electrical Engineering, Stanford University,
Stanford, CA, United States,
2
Diagnostic
Radiology and Nuclear Medicine, University of Maryland,
Baltimore, MD, United States
We design a new acceleration-selective (AS)
magnetization preparation pulse sequence that generates
arterial image contrast directly using a single
acquisition and does not require subtraction. The method
allows for nulling times to be chosen for optimal
background suppression. Refocusing pulses were
incorporated into the AS pulse to mitigate the effects
of off-resonance frequency and B1 variations on the
excitation profile. We demonstrate the methods
application for lower extremity MRA in healthy
volunteers at 1.5T.
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