Improved chemical exchange saturation transfer imaging with real-time frequency drift correction.

Algorithms Animals Artifacts Chickens Child Child, Preschool Dizziness / diagnostic imaging Egg White / chemistry Female Headache / diagnostic imaging Humans Image Processing, Computer-Assisted / methods Magnetic Resonance Imaging Male Phantoms, Imaging Radio Waves Seizures, Febrile / diagnostic imaging
amide proton transfer (APT) chemical exchange saturation transfer (CEST) frequency drift frequency stabilized CEST (FS-CEST)

Journal

Magnetic resonance in medicine
ISSN: 1522-2594
Titre abrégé: Magn Reson Med
Pays: United States
ID NLM: 8505245

Informations de publication

Date de publication:
05 2019
Historique:
received: 16 10 2018
revised: 10 12 2018
accepted: 28 12 2018
pubmed: 31 1 2019
medline: 18 3 2020
entrez: 31 1 2019
Statut: ppublish

Résumé

To investigate the effects of frequency drift on chemical exchange saturation transfer (CEST) imaging at 3T, and to propose a new sequence for correcting artifacts attributed to B A frequency-stabilized CEST (FS-CEST) imaging sequence was proposed by adding a frequency stabilization module to the conventional non-frequency-stabilized CEST (NFS-CEST) sequence, which consisted of a small tip angle radiofrequency excitation pulse and readout of three non-phase-encoded k-space lines. Experiments were performed on an egg white phantom and 26 human subjects on a heavy-duty clinical scanner, in order to compare the difference of FS-CEST and NFS-CEST sequences for generating the z-spectrum, magnetization transfer ratio asymmetry (MTR The B The proposed FS-CEST sequence provides an effective approach for B

Identifiants

DOI: 10.1002/mrm.27663 PMID: 30697813 PMC: PMC6414244
pubmed: 30697813
doi: 10.1002/mrm.27663
pmc: PMC6414244
mid: NIHMS1004344
doi:

Types de publication

Journal Article Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

2915-2923

Subventions

Organisme : NIH HHS
ID : CA166171, CA228188, NS106937
Pays : United States
Organisme : NINDS NIH HHS
ID : UG3 NS106937
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA228188
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA166171
Pays : United States
Organisme : NINDS NIH HHS
ID : UH3 NS106937
Pays : United States

Commentaires et corrections

Type : ErratumIn

Informations de copyright

© 2019 International Society for Magnetic Resonance in Medicine.

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Auteurs

Ruibin Liu (R)

Key Laboratory for Biomedical Engineering of Ministry of Education, Department of Biomedical Engineering, College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, Zhejiang, China.

Hongxi Zhang (H)

Department of Radiology, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.

Weiming Niu (W)

Department of Radiology, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.

Can Lai (C)

Department of Radiology, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.

Qiuping Ding (Q)

Key Laboratory for Biomedical Engineering of Ministry of Education, Department of Biomedical Engineering, College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, Zhejiang, China.

Weibo Chen (W)

Philips Healthcare, Shanghai, China.

Sayuan Liang (S)

Clinical Research Board, Philips Research China, Shanghai, China.

Jinyuan Zhou (J)

Department of Radiology, Johns Hopkins University, Baltimore, Maryland.

Dan Wu (D)

Key Laboratory for Biomedical Engineering of Ministry of Education, Department of Biomedical Engineering, College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, Zhejiang, China.
Department of Radiology, Johns Hopkins University, Baltimore, Maryland.
ORCID: 0000-0002-9303-5821

Yi Zhang (Y)

Key Laboratory for Biomedical Engineering of Ministry of Education, Department of Biomedical Engineering, College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, Zhejiang, China.
Department of Radiology, Johns Hopkins University, Baltimore, Maryland.
ORCID: 0000-0001-8738-1851

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Classifications MeSH

questionsmedicales.fr › Sciences de l'information › Méthodologies informatiques › Algorithmes › Improved chemical exchange saturation transfer...
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