ArticleMagnetic resonance in medicine2019
Free-breathing cine imaging with motion-corrected reconstruction at 3T using SPiral Acquisition with Respiratory correction and Cardiac Self-gating (SPARCS).
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 19 papers.
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19 citing papers in PubMed.
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- Ungated, plug-and-play preclinical cardiac CEST-MRI using radial FLASH with segmented saturation.Magnetic resonance in medicine · 2025Article
- Deep image prior cine MR fingerprinting with BMagnetic resonance in medicine · 2024Article
- DynamicMagnetic resonance in medicine · 2024Article
- High-resolution spiral real-time cardiac cine imaging with deep learning-based rapid image reconstruction and quantification.NMR in biomedicine · 2024Article
- Dynamic cardiac MRI with high spatiotemporal resolution using accelerated spiral-out and spiral-in/out bSSFP pulse sequences at 1.5 T.Magma (New York, N.Y.) · 2023Article
- Improved visualization of free-running cardiac magnetic resonance by respiratory phase using principal component analysis.Research in diagnostic and interventional imaging · 2023Article
- A predictive signal model for dynamic cardiac magnetic resonance imaging.Scientific reports · 2023Article
- Retrospective motion correction through multi-average k-space data elimination (REMAKE) for free-breathing cardiac cine imaging.Magnetic resonance in medicine · 2023Article
- Variational Manifold Learning From Incomplete Data: Application to Multislice Dynamic MRI.IEEE transactions on medical imaging · 2022Article
- Ensuring respiratory phase consistency to improve cardiac function quantification in real-time CMR.Magnetic resonance in medicine · 2022Article
- Highly Accelerated Real-Time Free-Breathing Cine CMR for Patients With a Cardiac Implantable Electronic Device.Academic radiology · 2021Article
- Dynamic Imaging Using a Deep Generative SToRM (Gen-SToRM) Model.IEEE transactions on medical imaging · 2021Article
- Dual-excitation flip-angle simultaneous cine and TMagnetic resonance in medicine · 2021Article
- Free-Breathing and Ungated Dynamic MRI Using Navigator-Less Spiral SToRM.IEEE transactions on medical imaging · 2020Article
- Motion correction and noise removing in lung diffusion-weighted MRI using low-rank decomposition.Medical & biological engineering & computing · 2020Article
- Cardiac cine magnetic resonance fingerprinting for combined ejection fraction, TNMR in biomedicine · 2020Article
- Quantification of epicardial fat using 3D cine Dixon MRI.BMC medical imaging · 2020Article
- Heart Rate-Independent 3D Myocardial Blood Oxygen Level-Dependent MRI at 3.0 T with SimultaneousRadiology · 2020Article
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9 authors.
Funding
Abstract
purposeTo develop a continuous-acquisition cardiac self-gated spiral pulse sequence and a respiratory motion-compensated reconstruction strategy for free-breathing cine imaging.
methodsCine data were acquired continuously on a 3T scanner for 8 seconds per slice without ECG gating or breath-holding, using a golden-angle gradient echo spiral pulse sequence. Cardiac motion information was extracted by applying principal component analysis on the gridded 8 × 8 k-space center data. Respiratory motion was corrected by rigid registration on each heartbeat. Images were reconstructed using a low-rank and sparse (L+S) technique. This strategy was evaluated in 37 healthy subjects and 8 subjects undergoing clinical cardiac MR studies. Image quality was scored (1-5 scale) in a blinded fashion by 2 experienced cardiologists. In 13 subjects with whole-heart coverage, left ventricular ejection fraction (LVEF) from SPiral Acquisition with Respiratory correction and Cardiac Self-gating (SPARCS) was compared to that from a standard ECG-gated breath-hold balanced steady-state free precession (bSSFP) cine sequence.
resultsThe self-gated signal was successfully extracted in all cases and demonstrated close agreement with the acquired ECG signal (mean bias, -0.22 ms). The mean image score across all subjects was 4.0 for reconstruction using the L+S model. There was good agreement between the LVEF derived from SPARCS and the gold-standard bSSFP technique.
conclusionSPARCS successfully images cardiac function without the need for ECG gating or breath-holding. With an 8-second data acquisition per slice, whole-heart cine images with clinically acceptable spatial and temporal resolution and image quality can be acquired in <90 seconds of free-breathing acquisition.
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