ArticleMagnetic resonance in medicine2026
Feasibility of tagged MRI at 0.55 T.
Article in Magnetic resonance in medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Feasibility of tagged MRI at 0.55 T.Magnetic resonance in medicine · 2026Article
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Abstract
purposeTo determine the feasibility of tagged MRI at 0.55 T and tag persistence for cardiac and speech production applications. This is particularly challenging due to the short muscle T
methodsTagged MRI was performed using phase-sensitive tagging (REALTAG) two-dimensional grid-based preparation and spiral balanced steady-state free precession (bSSFP) imaging. Experiments were performed in healthy adult volunteers using a 0.55 T MRI system with high-performance gradients on two functional anatomies. Cardiac scans had 7.5-mm tag spacing, 1.3-mm
resultsREALTAG preparation and phase-sensitive reconstruction resulted in taglines that recover quickly when compared to 1.5 T, for both bSSFP and GRE imaging approaches. The bSSFP approach, at optimal flip angles, provided a 1.35-fold improved SNR and 1.6-fold improved tag persistence. For a tag contrast-to-noise ratio threshold of 6, the tag persistence was about 506 ms for GRE and about 851 ms for bSSFP.
conclusionTagged MRI is feasible at 0.55 T and can be used for functional analysis of muscle motion such as cardiac and speech applications, despite the short T
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