ArticleMagnetic resonance in medicine2025
Single-shot echo planar time-resolved imaging for multi-echo functional MRI and distortion-free diffusion imaging.
Article in Magnetic resonance in medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed.
- Combined ADC and TMagnetic resonance in medicine · 2026Article
- TE-aware state analysis and evolution in dynamic network connectivity.bioRxiv : the preprint server for biology · 2026Article
- Single-Shot 2D Radial Echo Planar Imaging for Functional MRI.Magnetic resonance in medicine · 2026Article
- Water/Fat Separated Echo Planar Time-Resolved Imaging (WFS-EPTI) for Distortion-Free Multi-Contrast MRI.Magnetic resonance in medicine · 2026Article
- Neural activity drives directional subarachnoid cerebrospinal fluid flow in the human brain.bioRxiv : the preprint server for biology · 2026Article
- Mapping subarachnoid cerebrospinal fluid circulation in the human brain.bioRxiv : the preprint server for biology · 2026Article
- Distortion-free diffusion-weighted imaging using echo planar time-resolved imaging with prospective motion correction: a feasibility study in motion-sensitive patients.Quantitative imaging in medicine and surgery · 2026Article
- Steady-state free precession for TMagnetic resonance in medicine · 2025Article
- Ultrafast and robustMagnetic resonance in medicine · 2025Article
- Romer-EPTI: Rotating-view motion-robust super-resolution EPTI for SNR-efficient distortion-free in-vivo mesoscale diffusion MRI and microstructure imaging.Magnetic resonance in medicine · 2025Article
- Time-resolved MR fingerprinting for TMagnetic resonance in medicine · 2025Article
- Single-shot echo planar time-resolved imaging for multi-echo functional MRI and distortion-free diffusion imaging.Magnetic resonance in medicine · 2025Article
- Romer-EPTI: rotating-view motion-robust super-resolution EPTI for SNR-efficient distortion-free in-vivo mesoscale dMRI and microstructure imaging.bioRxiv : the preprint server for biology · 2024Article
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Abstract
purposeTo develop a single-shot SNR-efficient distortion-free multi-echo imaging technique for dynamic imaging applications.
methodsEcho planar time-resolved imaging (EPTI) was first introduced as a multi-shot technique for distortion-free multi-echo imaging. This work aims to develop single-shot EPTI (ss-EPTI) to achieve improved robustness to motion/physiological noise, increased temporal resolution, and higher SNR efficiency. A new spatiotemporal encoding that enables reduced phase-encoding blips and minimized echo spacing under the single-shot regime was developed, which improves sampling efficiency and enhances spatiotemporal correlation in the k-TE space for improved reconstruction. A continuous readout with minimized deadtime was employed to optimize SNR efficiency. Moreover, k-TE partial Fourier and simultaneous multi-slice acquisition were integrated for further acceleration.
resultsss-EPTI provided distortion-free imaging with densely sampled multi-echo images at standard resolutions (e.g., ˜1.25 to 3 mm) in a single-shot. Improved SNR efficiency was observed in ss-EPTI due to improved motion/physiological-noise robustness and efficient continuous readout. Its ability to eliminate dynamic distortions-geometric changes across dynamics due to field changes induced by physiological variations or eddy currents-further improved the data's temporal stability. For multi-echo fMRI, ss-EPTI's multi-echo images recovered signal dropout in short-
conclusionss-EPTI provides SNR-efficient distortion-free multi-echo imaging with comparable temporal resolutions to ss-EPI, offering a new acquisition tool for dynamic imaging.
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