Real-time motion and retrospective coil sensitivity correction for CEST using volumetric navigators (vNavs) at 7T.

chemical exchange saturation transfer coil sensitivity inhomogeneities motion correction static magnetic field ultra-high field magnetic resonance

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:
04 2021
Historique:
received: 18 05 2020
revised: 22 09 2020
accepted: 22 09 2020
pubmed: 10 11 2020
medline: 15 5 2021
entrez: 9 11 2020
Statut: ppublish

Résumé

To explore the impact of temporal motion-induced coil sensitivity changes on CEST-MRI at 7T and its correction using interleaved volumetric EPI navigators, which are applied for real-time motion correction. Five healthy volunteers were scanned via CEST. A 4-fold correction pipeline allowed the mitigation of (1) motion, (2) motion-induced coil sensitivity variations, Dynamic Temporal

Identifiants

pubmed: 33165952
doi: 10.1002/mrm.28555
pmc: PMC7839562
doi:

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

1909-1923

Subventions

Organisme : Austrian Science Fund FWF
ID : KLI 679
Pays : Austria
Organisme : Austrian Science Fund FWF
ID : KLI 718
Pays : Austria

Informations de copyright

© 2020 The Authors. Magnetic Resonance in Medicine published by Wiley Periodicals LLC on behalf of International Society for Magnetic Resonance in Medicine.

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Auteurs

Esau Poblador Rodriguez (E)

High Field MR Center, Department of Biomedical Imaging and Image-guided Therapy, Medical University Vienna, Vienna, Austria.

Philipp Moser (P)

High Field MR Center, Department of Biomedical Imaging and Image-guided Therapy, Medical University Vienna, Vienna, Austria.

Sami Auno (S)

Neuroscience Center, University of Helsinki, Helsinki, Finland.

Korbinian Eckstein (K)

High Field MR Center, Department of Biomedical Imaging and Image-guided Therapy, Medical University Vienna, Vienna, Austria.

Barbara Dymerska (B)

Medical Physics and Bioengineering, University College London, London, United Kingdom.

Andre van der Kouwe (A)

Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA.

Stephan Gruber (S)

High Field MR Center, Department of Biomedical Imaging and Image-guided Therapy, Medical University Vienna, Vienna, Austria.

Siegfried Trattnig (S)

High Field MR Center, Department of Biomedical Imaging and Image-guided Therapy, Medical University Vienna, Vienna, Austria.
Christian Doppler Laboratory for Clinical Molecular MR Imaging, Vienna, Austria.

Wolfgang Bogner (W)

High Field MR Center, Department of Biomedical Imaging and Image-guided Therapy, Medical University Vienna, Vienna, Austria.

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