EPI Distortion Correction using FSL TOPUP for Diffusion Tensor Imaging of the Human Heart

Motivation: Cardiac diffusion tensor imaging (cDTI) enables the characterization of the myocardial microstructural environment. However, B0 inhomogeneity around the heart can lead to EPI distortion and signal loss in cDTI. Goal(s): To investigate the feasibility of using FSL TOPUP for EPI Distortion Correction in cDTI. Approach: This proposed approach could be seamlessly integrated into cDTI postprocessing, significantly improving the accuracy and reproducibility of cDTI, particularly when researchers are analyzing metrics alongside other cardiac image parameters. Results: The FSL TOPUP method could correct EPI distortion in both diffusion-weighted images (b0 and b400), following which kinds of cDTI metrics are reconstructed successfully after the correction. Impact: The FSL TOPUP algorithm has been successfully integrated into the cDTI postprocessing in order to correct EPI distortion effectively.

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Publication Details

Journal
Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition
Published
2024-11-26
DOI
https://doi.org/10.58530/2024/5175
Primary Topic
Advanced MRI Techniques and Applications
Type
article
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article

EPI Distortion Correction using FSL TOPUP for Diffusion Tensor Imaging of the Human Heart

Liangjie Lin, Leyi Zhu, Peng Sun, Zhigang Wu et al.
Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition
Advanced MRI Techniques and Applications
article

EPI Distortion Correction using FSL TOPUP for Diffusion Tensor Imaging of the Human Heart

Liangjie Lin, Leyi Zhu, Peng Sun, Zhigang Wu, Gang Yin, Minjie Lu, W. P. Yan, Xiaoxiao Zhang, Lele Liu, Jiazheng Wang, Shihua Zhao, Zhixiang Dong
article en

Abstract

Motivation: Cardiac diffusion tensor imaging (cDTI) enables the characterization of the myocardial microstructural environment. However, B0 inhomogeneity around the heart can lead to EPI distortion and signal loss in cDTI. Goal(s): To investigate the feasibility of using FSL TOPUP for EPI Distortion Correction in cDTI. Approach: This proposed approach could be seamlessly integrated into cDTI postprocessing, significantly improving the accuracy and reproducibility of cDTI, particularly when researchers are analyzing metrics alongside other cardiac image parameters. Results: The FSL TOPUP method could correct EPI distortion in both diffusion-weighted images (b0 and b400), following which kinds of cDTI metrics are reconstructed successfully after the correction. Impact: The FSL TOPUP algorithm has been successfully integrated into the cDTI postprocessing in order to correct EPI distortion effectively.

Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition
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Advanced MRI Techniques and Applications
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EPI Distortion Correction using FSL TOPUP for Diffusion Tensor Imaging of the Human Heart — Liangjie Lin, Leyi Zhu, et al. · Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition (2024) | TGRS Research Map | TGRS