ArticleMagnetic resonance in medicine2020
Iterative motion-compensation reconstruction ultra-short TE (iMoCo UTE) for high-resolution free-breathing pulmonary MRI.
Article in Magnetic resonance in medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.
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40 citing papers in PubMed.
- Comparison of Retrospective Motion Compensation Techniques for Pulmonary Dynamic Ultrashort Time to Echo MRI in Suspected Idiopathic Pulmonary Fibrosis.Journal of magnetic resonance imaging : JMRI · 2026Article
- CT image generation from ultrashort echo time MRI for dosimetric assessment in lung cancer radiotherapy.Physics and imaging in radiation oncology · 2026Article
- Estimating pediatric lung volumetric parameters via rapid, limited-slice, free-breathing thoracic dynamic MRI.Medical physics · 2026Article
- Comparison of bi- and tri-component approaches for the analysis of short-TMagma (New York, N.Y.) · 2026Article
- Conjugate gradient and deep learning reconstructions: reduced time without affecting image quality and nodule detection.European radiology · 2026Article
- Optimized 3D UTE and ZTE MRI for high-resolution lung imaging: A comparative study.Magnetic resonance in medicine · 2026Article
- 3D Cartesian ultrashort double half-echo imaging of the lung parenchyma for water density imaging.Magnetic resonance in medicine · 2026Article
- Systematic Review and Meta-analysis of AI-driven MRI Motion Artifact Detection and Correction.ArXiv · 2025Article
- Pulmonary MRI in Newborns and Children.Journal of magnetic resonance imaging : JMRI · 2025Review
- Measuring biventricular function and left atrial volume in a single five-dimensional whole-heart cardiovascular magnetic resonance scan at 0.55T.Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · 2025Article
- Systems Engineering Approach Towards Sensitive Cellular Fluorine-19 MRI.NMR in biomedicine · 2025Review
- Free-breathing MRI techniques for fat and RMagma (New York, N.Y.) · 2024Review
- Increasing the scan-efficiency of pulmonary imaging at 0.55 T using iterative concomitant field and motion-corrected reconstruction.Magnetic resonance in medicine · 2024Article
- Comparison of weighting algorithms to mitigate respiratory motion in free-breathing neonatal pulmonary radial UTE-MRI.Biomedical physics & engineering express · 2024Article
- Movienet: Deep space-time-coil reconstruction network without k-space data consistency for fast motion-resolved 4D MRI.Magnetic resonance in medicine · 2024Article
- Ex-vivo 1.5T MR Imaging versus CT in Estimating the Size of the Pathologically Invasive Component of Lung Adenocarcinoma Spectrum Lesions.Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine · 2024Article
- Dynamic lung water MRI during exercise stress.Magnetic resonance in medicine · 2023Article
- Motion-compensated low-rank reconstruction for simultaneous structural and functional UTE lung MRI.Magnetic resonance in medicine · 2023Article
- Motion compensated self supervised deep learning for highly accelerated 3D ultrashort Echo time pulmonary MRI.Magnetic resonance in medicine · 2023Article
- Free-breathing half-radial dual-echo balanced steady-state free precession thoracic imaging with wobbling Archimedean spiral pole trajectories.Zeitschrift fur medizinische Physik · 2023Article
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5 authors.
Funding
Abstract
purposeTo develop a high-scanning efficiency, motion-corrected imaging strategy for free-breathing pulmonary MRI by combining an iterative motion-compensation reconstruction with a ultrashort echo time (UTE) acquisition called iMoCo UTE.
methodsAn optimized golden-angle ordering radial UTE sequence was used to continuously acquire data for 5 minutes. All readouts were grouped to different respiratory motion states based on self-navigator signals, and then motion-resolved data was reconstructed by XD golden-angle radial sparse parallel reconstruction. One state from the motion-resolved images was selected as a reference, and then motion fields from the other states to the reference were derived via nonrigid registration. Finally, all motion-resolved data and motion fields were reconstructed by using an iterative motion-compensation (MoCo) reconstruction with a total generalized variation sparse constraint.
resultsThe iMoCo UTE strategy was evaluated in volunteers and nonsedated pediatric patient (4-6 years old) studies. Images reconstructed with iMoCo UTE provided sharper anatomical lung structures and higher apparent SNR and contrast-to-noise ratio compared to using other motion-correction strategies, such as soft-gating, motion-resolved reconstruction, and nonrigid MoCo. iMoCo UTE also showed promising results in an infant study.
conclusionThe proposed iMoCo UTE combines self-navigation, motion modeling, and a compressed sensing reconstruction to increase scan efficiency and SNR and to reduce respiratory motion in lung MRI. This proposed strategy shows improvements in free-breathing lung MRI scans, especially in very challenging application situations such as pediatric MRI studies.
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