ArticleMagnetic resonance in medicine2019
Patient specific prospective respiratory motion correction for efficient, free-breathing cardiovascular MRI.
Article in Magnetic resonance in medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Prospective Respiratory Motion Correction Using Machine Learning and Pilot Tone (PROMPT) in Cardiac MRI.Magnetic resonance in medicine · 2026Article
- Comparison of cardiac diffusion MRI using multiple prospective respiratory motion correction techniques.Magnetic resonance in medicine · 2026Article
- A modular motion compensation pipeline for prospective respiratory motion correction of multi-nuclear MR spectroscopy.Scientific reports · 2024Article
- Free-breathing simultaneous native myocardial T1, T2 and T1ρ mapping with Cartesian acquisition and dictionary matching.Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · 2023Article
- Pilot tone-based prospective correction of respiratory motion for free-breathing myocardial T1 mapping.Magma (New York, N.Y.) · 2023Article
- Quantitative susceptibility mapping (QSM) of the cardiovascular system: challenges and perspectives.Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · 2022Review
- Accelerated cardiac TJournal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · 2022Article
- A fast navigator (fastNAV) for prospective respiratory motion correction in first-pass myocardial perfusion imaging.Magnetic resonance in medicine · 2021Article
- Prospective correction of patient-specific respiratory motion in myocardial TMagnetic resonance in medicine · 2021Article
- Motion correction and noise removing in lung diffusion-weighted MRI using low-rank decomposition.Medical & biological engineering & computing · 2020Article
- Scattering matrix imaging pulse design for real-time respiration and cardiac motion monitoring.Magnetic resonance in medicine · 2019Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
purposeTo develop a patient-specific respiratory motion correction technique with true 100% acquisition efficiency.
methodsA short training scan consisting of a series of single heartbeat images, each acquired with a preceding diaphragmatic navigator, was performed to fit a model relating the patient-specific 3D respiratory motion of the heart-to-diaphragm position. The resulting motion model was then used to update the imaging plane in real-time to correct for translational motion based on respiratory position provided by the navigator. The method was tested in a group of 11 volunteers with 5 separate free-breathing acquisitions: FB, no motion correction; FB-TF, free breathing with a linear tracking factor; Nav Gate, navigator gating; Nav Gate-TF, navigator gating with a tracking factor; and PROCO, prospective motion correction (proposed). Each acquisition lasted for 50 accepted heartbeats, where non-gated scans had a 100% acceptance rate, and gated scans accepted data only within a ±4 mm navigator window. Retrospective image registration was used to measure residual motion and determine the effectiveness of each method.
resultsPROCO reduced the range/RMSE of residual motion to 4.08 ± 1.4/0.90 ± 0.3 mm, compared to 10.78 ± 6.9/2.97 ± 2.2 mm for FB, 5.32 ± 2.92/1.24 ± 0.8 mm for FB-TF, 4.08 ± 1.6/0.93 ± 0.4 mm for Nav Gate, and 2.90 ± 1.0/0.63 ± 0.2 mm for Nav Gate-TF. Nav Gate and Nav Gate-TF reduced scan efficiency to 48.84 ± 9.31% and 54.54 ± 10.12%, respectively.
conclusionPROCO successfully limited the residual motion in single-shot imaging to the level of traditional navigator gating while maintaining 100% acquisition efficiency.
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