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Quiet echo planar imaging for functional and diffusion MRI

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Quiet echo planar imaging for functional and diffusion MRI. / Hutter, Jana; Price, Anthony N.; Cordero-Grande, Lucilio; Malik, Shaihan; Ferrazzi, Giulio; Gaspar, Andreia; Hughes, Emer J.; Christiaens, Daan; Mccabe, Laura; Schneider, Torben; Rutherford, Mary A.; Hajnal, Joseph V.

In: Magnetic Resonance in Medicine, 17.06.2017.

Research output: Contribution to journalArticle

Harvard

Hutter, J, Price, AN, Cordero-Grande, L, Malik, S, Ferrazzi, G, Gaspar, A, Hughes, EJ, Christiaens, D, Mccabe, L, Schneider, T, Rutherford, MA & Hajnal, JV 2017, 'Quiet echo planar imaging for functional and diffusion MRI', Magnetic Resonance in Medicine. https://doi.org/10.1002/mrm.26810

APA

Hutter, J., Price, A. N., Cordero-Grande, L., Malik, S., Ferrazzi, G., Gaspar, A., ... Hajnal, J. V. (2017). Quiet echo planar imaging for functional and diffusion MRI. Magnetic Resonance in Medicine. https://doi.org/10.1002/mrm.26810

Vancouver

Hutter J, Price AN, Cordero-Grande L, Malik S, Ferrazzi G, Gaspar A et al. Quiet echo planar imaging for functional and diffusion MRI. Magnetic Resonance in Medicine. 2017 Jun 17. https://doi.org/10.1002/mrm.26810

Author

Hutter, Jana ; Price, Anthony N. ; Cordero-Grande, Lucilio ; Malik, Shaihan ; Ferrazzi, Giulio ; Gaspar, Andreia ; Hughes, Emer J. ; Christiaens, Daan ; Mccabe, Laura ; Schneider, Torben ; Rutherford, Mary A. ; Hajnal, Joseph V. / Quiet echo planar imaging for functional and diffusion MRI. In: Magnetic Resonance in Medicine. 2017.

Bibtex Download

@article{b32d51d1b5c24b7b9e7ee16a85812fe0,
title = "Quiet echo planar imaging for functional and diffusion MRI",
abstract = "Purpose: To develop a purpose-built quiet echo planar imaging capability for fetal functional and diffusion scans, for which acoustic considerations often compromise efficiency and resolution as well as angular/temporal coverage. Methods: The gradient waveforms in multiband-accelerated single-shot echo planar imaging sequences have been redesigned to minimize spectral content. This includes a sinusoidal read-out with a single fundamental frequency, a constant phase encoding gradient, overlapping smoothed CAIPIRINHA blips, and a novel strategy to merge the crushers in diffusion MRI. These changes are then tuned in conjunction with the gradient system frequency response function. Results: Maintained image quality, SNR, and quantitative diffusion values while reducing acoustic noise up to 12 dB (A) is illustrated in two adult experiments. Fetal experiments in 10 subjects covering a range of parameters depict the adaptability and increased efficiency of quiet echo planar imaging. Conclusion: Purpose-built for highly efficient multiband fetal echo planar imaging studies, the presented framework reduces acoustic noise for all echo planar imaging-based sequences. Full optimization by tuning to the gradient frequency response functions allows for a maximally time-efficient scan within safe limits. This allows ambitious in-utero studies such as functional brain imaging with high spatial/temporal resolution and diffusion scans with high angular/spatial resolution to be run in a highly efficient manner at acceptable sound levels.",
keywords = "Diffusion MRI, Fetal, Functional MRI, Magnetic resonance imaging, Neuroimaging, Sequence development",
author = "Jana Hutter and Price, {Anthony N.} and Lucilio Cordero-Grande and Shaihan Malik and Giulio Ferrazzi and Andreia Gaspar and Hughes, {Emer J.} and Daan Christiaens and Laura Mccabe and Torben Schneider and Rutherford, {Mary A.} and Hajnal, {Joseph V.}",
year = "2017",
month = "6",
day = "17",
doi = "10.1002/mrm.26810",
language = "English",
journal = "Magnetic resonance in medicine",
issn = "0740-3194",

}

RIS (suitable for import to EndNote) Download

TY - JOUR

T1 - Quiet echo planar imaging for functional and diffusion MRI

AU - Hutter, Jana

AU - Price, Anthony N.

AU - Cordero-Grande, Lucilio

AU - Malik, Shaihan

AU - Ferrazzi, Giulio

AU - Gaspar, Andreia

AU - Hughes, Emer J.

AU - Christiaens, Daan

AU - Mccabe, Laura

AU - Schneider, Torben

AU - Rutherford, Mary A.

AU - Hajnal, Joseph V.

PY - 2017/6/17

Y1 - 2017/6/17

N2 - Purpose: To develop a purpose-built quiet echo planar imaging capability for fetal functional and diffusion scans, for which acoustic considerations often compromise efficiency and resolution as well as angular/temporal coverage. Methods: The gradient waveforms in multiband-accelerated single-shot echo planar imaging sequences have been redesigned to minimize spectral content. This includes a sinusoidal read-out with a single fundamental frequency, a constant phase encoding gradient, overlapping smoothed CAIPIRINHA blips, and a novel strategy to merge the crushers in diffusion MRI. These changes are then tuned in conjunction with the gradient system frequency response function. Results: Maintained image quality, SNR, and quantitative diffusion values while reducing acoustic noise up to 12 dB (A) is illustrated in two adult experiments. Fetal experiments in 10 subjects covering a range of parameters depict the adaptability and increased efficiency of quiet echo planar imaging. Conclusion: Purpose-built for highly efficient multiband fetal echo planar imaging studies, the presented framework reduces acoustic noise for all echo planar imaging-based sequences. Full optimization by tuning to the gradient frequency response functions allows for a maximally time-efficient scan within safe limits. This allows ambitious in-utero studies such as functional brain imaging with high spatial/temporal resolution and diffusion scans with high angular/spatial resolution to be run in a highly efficient manner at acceptable sound levels.

AB - Purpose: To develop a purpose-built quiet echo planar imaging capability for fetal functional and diffusion scans, for which acoustic considerations often compromise efficiency and resolution as well as angular/temporal coverage. Methods: The gradient waveforms in multiband-accelerated single-shot echo planar imaging sequences have been redesigned to minimize spectral content. This includes a sinusoidal read-out with a single fundamental frequency, a constant phase encoding gradient, overlapping smoothed CAIPIRINHA blips, and a novel strategy to merge the crushers in diffusion MRI. These changes are then tuned in conjunction with the gradient system frequency response function. Results: Maintained image quality, SNR, and quantitative diffusion values while reducing acoustic noise up to 12 dB (A) is illustrated in two adult experiments. Fetal experiments in 10 subjects covering a range of parameters depict the adaptability and increased efficiency of quiet echo planar imaging. Conclusion: Purpose-built for highly efficient multiband fetal echo planar imaging studies, the presented framework reduces acoustic noise for all echo planar imaging-based sequences. Full optimization by tuning to the gradient frequency response functions allows for a maximally time-efficient scan within safe limits. This allows ambitious in-utero studies such as functional brain imaging with high spatial/temporal resolution and diffusion scans with high angular/spatial resolution to be run in a highly efficient manner at acceptable sound levels.

KW - Diffusion MRI

KW - Fetal

KW - Functional MRI

KW - Magnetic resonance imaging

KW - Neuroimaging

KW - Sequence development

UR - http://www.scopus.com/inward/record.url?scp=85021353504&partnerID=8YFLogxK

U2 - 10.1002/mrm.26810

DO - 10.1002/mrm.26810

M3 - Article

AN - SCOPUS:85021353504

JO - Magnetic resonance in medicine

JF - Magnetic resonance in medicine

SN - 0740-3194

ER -

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