- Workshop presentation
- Open Access
Accelerated 4D flow imaging using randomly undersampled echo planer imaging with compressed-sensing reconstruction
© Basha et al.; licensee BioMed Central Ltd. 2014
- Published: 16 January 2014
- Compress Sense
- Echo Planar Imaging
- Total Variation Minimization
- Compress Sense Reconstruction
- Flow Encode
4D flow imaging using phase contrast CMR (PC CMR) allows visualization and quantification of blood flow. One of the major limitations of 4D flow imaging is its long scan time (in the order of 10-20 min). In this study, we sought to investigate an accelerate 4D flow imaging sequence that combines an efficient data sampling strategy using echo planar imaging (EPI) with randomly undersampled 3D k-space sampling pattern. The randomly undersampled k-space data are then reconstructed using compressed sensing (CS).
A combination of EPI and randomly underampling k-space will substantially reduce the 4D flow scan time. Our initial results show no systematic difference between flow measurements between 2D PC CMR and 3D PC CMR.
This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.