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Pediatric Radiology
Published in: Pediatric Radiology 9/2018

01-08-2018 | Pediatric Body MRI

Fast, free-breathing and motion-minimized techniques for pediatric body magnetic resonance imaging

Authors: Camilo Jaimes, John E. Kirsch, Michael S. Gee

Published in: Pediatric Radiology | Issue 9/2018

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Abstract

Magnetic resonance imaging (MRI) is the preferred imaging modality in children with complex medical issues. Patient motion and respiration remain major challenges in pediatric abdominal MRI. Young children ages 3 months to 6 years are unable to cooperate or perform breath-holding and frequently require deep sedation or general anesthesia to undergo MRI. Given the growing concerns associated with the use of sedation and anesthesia as well as the adverse impact on workflow, developing and implementing fast and motion-resistant MRI sequences are of great interest. Fast sequences such as single-shot fast spin echo and balanced steady-state free precession are useful as quick anatomical surveys on routine abdominal MRI. The widespread utilization of parallel imaging and sequences with radial k-space sampling has contributed to decreasing scan time and improving image quality, respectively. Newer strategies including compressed sensing, simultaneous multi-slice acquisition, and hybrid approaches hold the prospect of faster image acquisition that could significantly reduce the need for sedation in this vulnerable population and decrease the time of anesthesia in cases where it is indicated.
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Metadata
Title
Fast, free-breathing and motion-minimized techniques for pediatric body magnetic resonance imaging
Authors
Camilo Jaimes
John E. Kirsch
Michael S. Gee
Publication date
01-08-2018
Publisher
Springer Berlin Heidelberg
Published in
Pediatric Radiology / Issue 9/2018
Print ISSN: 0301-0449
Electronic ISSN: 1432-1998
DOI
https://doi.org/10.1007/s00247-018-4116-x

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