Abstract #2086

The Influence of Parallel Imaging in Diffusion Tensor Imaging Using Slice Accelerated Multiband Sequence

Yuanyuan Chen¹, Miao Sha¹, Xin Zhao¹, Xu Yan^2,3, Weiwei Wang¹, Xiong Zhang¹, Hongyan Ni³, and Dong Ming¹

¹Tianjin University, Tianjin, China, People's Republic of, ²MR Collaboration NE Asia, Siemens Healthcare, Shanghai, China, People's Republic of, ³Tianjin First Central Hospital, Tianjin, China, People's Republic of

The use of simultaneous multiband radiofrequency (RF) pulses to accelerate volume coverage along the slice direction is becoming increasingly popular. In this work, we attempt to evaluate the impact on parameter calculations of parallel imaging in combination with multiband excitation for DTI applications. The image quality as well as the indexes was compared. This experiment shows that the accelerated multiband sequence are highly reproducible in voxel-based analysis for different parallel imaging factors, with no significant differences (p < 0.001). In addition, the parallel imaging factor may have an influence on SNR and distortion of the diffusion images.

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