Abstract #1441
A Robust and Low-Power Adiabatic T 2 Preparation for Cardiovascular Imaging at High Magnetic Field
Ruud B van Heeswijk 1,2 , Kieran R O'Brien 2,3 , Jean Delacoste 1,2 , and Matthias Stuber 1,2
1
Radiology, University Hospital (CHUV) and
University of Lausanne (UNIL), Lausanne, Switzerland,
2
Center
for Biomedical Imaging (CIBM), Lausanne, Switzerland,
3
Radiology,
University of Geneva, Geneva, Switzerland
An adiabatic T
2
Preparation
module (T
2
Prep) at high magnetic field
normally requires too much energy to allow it to be
combined with bSSFP imaging. Numerically optimized
adiabatic pulses were therefore used to design a T
2
Prep
for cardiovascular imaging at high magnetic field. The
energy efficiency of this optimized T
2
Prep
was established at 3T and compared to standard adiabatic
T
2
Prep. Finally, T
2
-prepared bSSFP
cardiovascular imaging and coronary MRA were
demonstrated in healthy volunteers.
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