Abstract #3971
Diffusion Tensor MRI of the Entire Human Heart in Vivo with Blipped-CAIPI and Simultaneous Multislice Acquisition
Choukri Mekkaoui 1 , Timothy G Reese 2 , Himanshu Bhat 3 , Stephen T Cauley 2 , Marcel P Jackowski 4 , Kawin Setsompop 2 , and David E Sosnovik 5
1
Harvard Medical School - Massachusetts
General Hospital, Boston, MA, United States,
2
Athinoula
A Martinos center for Biomedical imaging, Boston, United
States,
3
Siemens,
boston, United States,
4
University
of So Paulo, So Paulo, Brazil,
5
Harvard
Medical School - Massachusetts General Hospital, Boston,
United States
The utilization of cardiac DTI has been limited in part
by its temporal inefficiency. Here we show that
simultaneous multislice acquisition using the
blipped-CAIPI technique can be used to increase coverage
and reduce scan time by a factor of 3.
In
vivo
DTI
of the entire human heart can be performed with this
technique in 40 minutes with acceptable resolution,
without interslice gaps, and with excellent image
quality. The improved coverage and reduced scan time
produced by blipped-CAIPI have the potential to improve
the accuracy of cardiac DTI and facilitate its clinical
use.
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