ArticleMagnetic resonance in medicine2017
Simultaneous multislice imaging in dynamic cardiac MRI at 7T using parallel transmission.
Article in Magnetic resonance in medicine, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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21 citing papers in PubMed.
- Efficient Interleaved Multi-Band Outer Volume Suppression for Highly Accelerated Simultaneous Multi-Slice Imaging of the Heart.Bioengineering (Basel, Switzerland) · 2026Article
- Compressed Sensing-Accelerated Free-Breathing Liver MRI at 7 T.NMR in biomedicine · 2025Article
- Improved Simultaneous Multi-slice imaging with Composition of k-space Interpolations (SMS-COOKIE) for myocardial T1 mapping.PloS one · 2023Article
- A Slice-Low-Rank Plus Sparse (slice-L + S) Reconstruction Method for k-t Undersampled Multiband First-Pass Myocardial Perfusion MRI.Magnetic resonance in medicine · 2022Article
- Article
- 7 Tesla and Beyond: Advanced Methods and Clinical Applications in Magnetic Resonance Imaging.Investigative radiology · 2021Review
- 7T dynamic contrast-enhanced MRI for the detection of subtle blood-brain barrier leakage.Journal of neuroimaging : official journal of the American Society of Neuroimaging · 2021Article
- Improved simultaneous multislice cardiac MRI using readout concatenated k-space SPIRiT (ROCK-SPIRiT).Magnetic resonance in medicine · 2021Article
- Progress in Imaging the Human Torso at the Ultrahigh Fields of 7 and 10.5 T.Magnetic resonance imaging clinics of North America · 2021Review
- Global optimization of default phases for parallel transmit coils for ultra-high-field cardiac MRI.PloS one · 2021Article
- Cardiac functional magnetic resonance imaging at 7T: Image quality optimization and ultra-high field capabilities.World journal of radiology · 2020Article
- Bilateral Multiband 4D Flow MRI of the Carotid Arteries at 7T.Magnetic resonance in medicine · 2020Article
- Simultaneous multislice imaging of the heart using multiband balanced SSFP with blipped-CAIPI.Magnetic resonance in medicine · 2020Article
- Non-Cartesian slice-GRAPPA and slice-SPIRiT reconstruction methods for multiband spiral cardiac MRI.Magnetic resonance in medicine · 2020Article
- Evolution of UHF Body Imaging in the Human Torso at 7T: Technology, Applications, and Future Directions.Topics in magnetic resonance imaging : TMRI · 2019Review
- Parallel Transmission for Ultrahigh Field MRI.Topics in magnetic resonance imaging : TMRI · 2019Review
- MR susceptibility contrast imaging using a 2D simultaneous multi-slice gradient-echo sequence at 7T.PloS one · 2019Article
- RF pulse methods for use with surface coils: Frequency-modulated pulses and parallel transmission.Journal of magnetic resonance (San Diego, Calif. : 1997) · 2018Review
- Review
- Simultaneous multislice imaging for native myocardial TMagnetic resonance in medicine · 2017Article
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7 authors.
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Abstract
purposeCardiac MRI at 7T suffers from contrast heterogeneity that can be mitigated with parallel transmission (pTX) and, when performed during breath-hold, from a limited number of slices that can be multiplied with multiband (MB) radiofrequency pulses by simultaneous excitation of multiple slices (SMS). The goal of this study was to apply both approaches simultaneously.
methodsUsing a 16-channel transmit/receive body coil, pTX SMS was applied with/without CAIPIRINHA with a modified gradient echo cine sequence. Different calibration schemes were investigated for the slice-GRAPPA reconstruction kernels as a function of the cardiac cycle.
resultsExcellent slice separation for MB = 2 was achieved with CAIPIRINHA, with slice leakage values below 3% for 99% of all voxels. A critical finding of this study was the variation of the MB leakage factor in the heart by as much as 30% throughout the cardiac cycle, which was reduced greatly when reconstruction kernels were calibrated on multiple cardiac phases. Acceptable results were still obtained when applying further acceleration with MB = 3 in combination with in-plane GRAPPA. In one case, two-spoke pulses were compared with one-spoke pulses, resulting as expected in improved homogeneity.
conclusionpTX SMS imaging at 7T can address contrast heterogeneity while allowing larger slice coverage in cardiac MRI performed under breath-hold. Magn Reson Med 77:1010-1020, 2017. © 2016 International Society for Magnetic Resonance in Medicine.
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