ArticleMagnetic resonance in medicine2022
Ultrafast B1 mapping with RF-prepared 3D FLASH acquisition: Correcting the bias due to T
Article in Magnetic resonance in medicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Rapid 3D whole-brain high-resolution TMagnetic resonance in medicine · 2026Article
- MULti-TImepoint VElocity-selective Reconciled with Spatially-sElective (MULTIVERSE) ASL: Improving robustness to both shortened and prolonged arterial transit time.Magnetic resonance in medicine · 2025Article
- Accelerated 3D multi-channelMagnetic resonance in medicine · 2024Article
- Whole-cerebrum guanidino and amide CEST mapping at 3 T by a 3D stack-of-spirals gradient echo acquisition.Magnetic resonance in medicine · 2024Article
- Direct angiographic comparison of different velocity-selective saturation, inversion, and DANTE labeling modules on cerebral arteries.Magnetic resonance in medicine · 2024Article
- Evaluation of 3D stack-of-spiral turbo FLASH acquisitions for pseudo-continuous and velocity-selective ASL-derived brain perfusion mapping.Magnetic resonance in medicine · 2023Article
- Rapid 3D absolute BMagnetic resonance in medicine · 2023Article
- Ultrafast B1 mapping with RF-prepared 3D FLASH acquisition: Correcting the bias due to TMagnetic resonance in medicine · 2022Article
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Authors and funding
3 authors.
Funding
Abstract
purposeThe traditional radiofrequency (RF)-prepared B THEORY: The point spread function analysis of FLASH shows that the prepared longitudinal magnetization before the FLASH acquisition and the image signal obeys a linear (not proportional) relationship. The intercept of the linear function causes the quantification bias and can be captured by a third saturated scan.
methodsUsing the 2D double-angle method (DAM) as the reference, a 3D RF-prepared three-parameter protocol with 9 s duration was compared with the two-parameter method, as well as the saturated DAM (SDAM) method, the dual refocusing echo acquisition mode (DREAM) method, and the actual flip-angle imaging (AFI) method, for B
resultsThe 3D RF-prepared three-parameter method with complex-subtraction delivered consistently lower RMS error, error mean, error standard deviation, and higher concordance correlation coefficients values than the two-parameter method, the three-parameter method with magnitude-subtraction, the multi-slice DREAM and the 3D AFI, and were close to the results of 2D or multi-slice SDAM.
conclusionThe proposed ultrafast 3D RF-prepared three-parameter method with complex-subtraction was demonstrated with high accuracy for B
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