Abstract #2887
Generalized Blipped CAIPI for Interleaved EPI Diffusion Weighted Imaging
Erpeng Dai 1 , Zhe Zhang 1 , Xiaodong Ma 1 , Bida Zhang 2 , Bin Xie 2 , Chun Yuan 1,3 , and Hua Guo 1
1
Center for Biomedical Imaging Research,
Department of Biomedical Engineering, School of
Medicine, Tsinghua University, Beijing, China,
2
Healthcare
Department, Philips Research China, Shanghai, China,
3
Department
of Radiology, University of Washington, Seattle, WA,
United States
Blipped CAIPI has been proposed for single-shot EPI
multiband acquisition. However, single-shot EPI is
susceptible to geometric distortions, which limit its
application for high resolution diffusion weighted (DW)
imaging. Multi-shot EPI may alleviate this with
interleaved acquisition. Thus a generalized blipped
CAIPI sequence and reconstruction framework was proposed
for multi-shot DW EPI. The propsed method has achieved
less distortions than blipped CAIPI single-shot EPI amd
comparable FA maps with single band excitation. Thus
this method will be valuable for fast high resolution
DWI or DTI in the future.
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