Abstract #3895
A Dedicated 64-Channel Cardiac Receive-Only Phased Array Coil: Initial Experience
Mark Schuppert 1 , Michaela Schmidt 2 , Karl Friedrich Kreitner 3 , Boris Keil 4 , Bastien Guerin 4 , Stefan Fischer 1 , Joerg Rothard 2 , Lawrence L. Wald 4,5 , and Laura M. Schreiber 1
1
Section of Medical Physics, Department of
Radiology, University Medical Center of the Johannes
Gutenberg University, Mainz, Germany,
2
Siemens
AG, Healthcare Sector, Erlangen, Germany,
3
Department
of Radiology, University Medical Center of the Johannes
Gutenberg University, Mainz, Germany,
4
A.A.
Martinos Center for Biomedical Imaging, Department of
Radiology, Massachusetts General Hospital, Charlestown,
MA, United States,
5
Harvard
Medical School, Boston, MA, United States
A new 64-channel cardiac phased array prototype coil was
compared to a commercial 30-channel coil setup (Body
18/Spine 32 Tim coils) to assess imaging performance in
healthy volunteers. Accelerated cine cardiac MRI
(tGRAPPA, acceleration factors R = 3, 5, 7, and 8) was
performed in short-axis and four-chamber views. MR
images were scored by an independent radiologist for
image quality in terms of diagnostic value (1 =
Excellent, 2 = Good, 3 = Satisfactory, 4 = Fair, 5 =
Fail). The 64-channel coil outperformed the commercial
setup at R = 5 and R = 7, resulting in lower score
values.
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