ArticleMagnetic resonance in medicine2016
Segmented golden ratio radial reordering with variable temporal resolution for dynamic cardiac MRI.
Article in Magnetic resonance in medicine, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Radial Tiny Golden Angle UTE (tyGA-UTE) for Cardiac MRI in the Small Animal Model.NMR in biomedicine · 2026Article
- Reducing clustering of readouts in non-Cartesian cine magnetic resonance imaging.Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · 2024Article
- Golden-Angle Radial MRI: Basics, Advances, and Applications.Journal of magnetic resonance imaging : JMRI · 2022Review
- Phase contrast coronary blood velocity mapping with both high temporal and spatial resolution using triggered Golden Angle rotated Spiral k-t Sparse Parallel imaging (GASSP) with shifted binning.Magnetic resonance in medicine · 2021Article
- Sector-wise golden-angle phase contrast with high temporal resolution for evaluation of left ventricular diastolic dysfunction.Magnetic resonance in medicine · 2020Article
- Article
- Golden-ratio rotated stack-of-stars acquisition for improved volumetric MRI.Magnetic resonance in medicine · 2017Article
- Self-gated 4D multiphase, steady-state imaging with contrast enhancement (MUSIC) using rotating cartesian K-space (ROCK): Validation in children with congenital heart disease.Magnetic resonance in medicine · 2017Article
- Article
- Respiratory motion-resolved, self-gated 4D-MRI using rotating cartesian k-space (ROCK).Medical physics · 2017Article
- Motion compensated cine CMR of the fetal heart using radial undersampling and compressed sensing.Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · 2017Article
- Myocardial arterial spin labeling.Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · 2016Review
- Single-Shot Coronary Quiescent-Interval Slice-Selective Magnetic Resonance Angiography Using Compressed Sensing: A Feasibility Study in Patients With Congenital Heart Disease.Journal of computer assisted tomographyArticle
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Authors and funding
6 authors.
Funding
Abstract
purposeGolden ratio (GR) radial reordering allows for retrospective choice of temporal resolution by providing a near-uniform k-space sampling within any reconstruction window. However, when applying GR to electrocardiogram (ECG)-gated cardiac imaging, the k-space coverage may not be as uniform because a single reconstruction window is broken into several temporally isolated ones. The goal of this study was to investigate the image artifacts caused by applying GR to ECG-gated cardiac imaging and to propose a segmented GR method to address this issue.
methodsComputer simulation and phantom experiments were used to evaluate the image artifacts resulting from three k-space sampling patterns (ie, uniform radial, conventional GR, and segmented GR). Two- and three-dimensional cardiac cine images were acquired in seven healthy subjects. Imaging artifacts due to k-space sampling nonuniformity were graded on a 5-point scale by an experienced cardiac imaging reader.
resultsSegmented GR provides more uniform k-space sampling that is independent of heart-rate variation than conventional GR. Cardiac cine images using segmented GR have significantly higher and more reliable image quality than conventional GR.
conclusionSegmented GR successfully addresses the nonuniform sampling that occurs with combining conventional GR with ECG gating. This technique can potentially be applied to any ECG-gated cardiac imaging application to allow for retrospective selection of a reconstruction window. Magn Reson Med 76:94-103, 2016. © 2015 Wiley Periodicals, Inc.
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