ArticleMagnetic resonance in medicine2020
Dynamic multicoil technique (DYNAMITE) MRI on human brain.
Article in Magnetic resonance in medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Magnetic resonance imaging.Science advances · 2026Review
- Improving magnetic field homogeneity in prostate MR imaging and spectroscopy using an add-on local external shim coil array.Magma (New York, N.Y.) · 2026Article
- High-quality lipid suppression and B0 shimming for human brainNeuroImage · 2024Article
- Practical utilization of nonlinear spatial encoding: Fast field mapping and FRONSAC-wave.Magnetic resonance in medicine · 2024Article
- Advancements in MR hardware systems and magnetic field control: BPsychoradiology · 2024Review
- Design and realization of a multi-coil array for BMagnetic resonance in medicine · 2023Article
- Thermal variation in gradient response: measurement and modeling.Magnetic resonance in medicine · 2022Article
- Recent Advances in Radio-Frequency Coil Technologies: Flexible, Wireless, and Integrated Coil Arrays.Journal of magnetic resonance imaging : JMRI · 2022Review
- A 31-channel integrated "AC/DC" BMagnetic resonance in medicine · 2022Article
Corrections and comments
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Authors and funding
11 authors.
Funding
Abstract
purposeSpatial encoding for MRI is generally based on linear x, y, and z magnetic field gradients generated by a set of dedicated gradient coils. We recently introduced the dynamic multicoil technique (DYNAMITE) for B
methodsGradient fields for DYNAMITE MRI were generated with a 28-channel multicoil hardware arranged in 4 rows of 7 coils on a cylindrical surface (length 359 mm, diameter 344 mm, maximum 5 A per coil). DYNAMITE MRIs of a resolution phantom and in vivo human heads were acquired with multislice gradient-echo, multislice spin-echo, and 3D gradient-echo sequences. The resultant image fidelity was compared to that obtained with conventional gradient coil technology.
resultsDYNAMITE field control enabled the realization of all imaging sequences with average gradient errors ≤ 1%. DYNAMITE MRI provided image quality and sensitivity comparable to conventional gradient technology without any obvious artifacts. Some minor geometric deformations were noticed primarily in the image periphery as the result of regional field imperfections. The imperfections can be readily approximated theoretically through numerical integration of the Biot-Savart law and removed through image distortion correction.
conclusionThe first realization of DYNAMITE MRI of the in vivo human head has been presented. The obtained image fidelity is comparable to MRI with conventional gradient coils, paving the way for full-fledged DYNAMITE MRI and B
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