| Prospective motion correction for single-voxel 1H MR spectroscopy. | |
| | |
MedLine Citation:
|
PMID: 20806374 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
Head motion during (1)H MR spectroscopy acquisitions may compromise the quality and reliability of in vivo metabolite measurements. Therefore, a three-plane image-based motion-tracking module was integrated into a single-voxel (1)H MR spectroscopy (point-resolved spectroscopy) sequence. A series of three orthogonal spiral navigator images was acquired immediately prior to the MR spectroscopy water suppression module in order to estimate head motion. By applying the appropriate rotations and translations, the MR spectroscopy voxel position can be updated such that it remains stationary with respect to the brain. Frequency and phase corrections were applied during postprocessing to reduce line width and restore coherent averaging. Spectra acquired during intentional head motion in 11 volunteers demonstrate reduced lipid contamination and increased spectral reproducibility when motion correction is applied. |
| | |
Authors:
|
Brian Keating; Weiran Deng; J Cooper Roddey; Nathan White; Anders Dale; V Andrew Stenger; Thomas Ernst |
Related Documents
:
|
14523954 - Independent component analysis for automated decomposition of in vivo magnetic resonanc... 2196684 - In vivo multinuclear magnetic resonance spectroscopy investigations of cerebral develop... 12815674 - Measurement of reduced glutathione (gsh) in human brain using lcmodel analysis of diffe... 1731904 - High-resolution solid state 13c nmr of bacteriorhodopsin: characterization of [4-13c]as... 16724304 - Designing long-t2 suppression pulses for ultrashort echo time imaging. 1994434 - Mycetoma: comparison of mr imaging with ct. |
Publication Detail:
|
Type: Journal Article; Research Support, N.I.H., Extramural |
Journal Detail:
|
Title: Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine Volume: 64 ISSN: 1522-2594 ISO Abbreviation: Magn Reson Med Publication Date: 2010 Sep |
Date Detail:
|
Created Date: 2010-08-31 Completed Date: 2011-01-25 Revised Date: 2011-09-13 |
Medline Journal Info:
|
Nlm Unique ID: 8505245 Medline TA: Magn Reson Med Country: United States |
Other Details:
|
Languages: eng Pagination: 672-9 Citation Subset: IM |
Copyright Information:
|
2010 Wiley-Liss, Inc. |
Affiliation:
|
Department of Medicine, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii 96813-2427, USA. brianrk@hawaii.edu |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Algorithms* Artifacts* Biopolymers / analysis* Brain Chemistry* Head Movements* Humans Magnetic Resonance Spectroscopy / methods* Protons |
| Grant Support | |
ID/Acronym/Agency:
|
1R01 DA021146/DA/NIDA NIH HHS; G12 RR003061-21/RR/NCRR NIH HHS; G12 RR003061-226716/RR/NCRR NIH HHS; G12 RR003061-235492/RR/NCRR NIH HHS; G12 RR003061-245406/RR/NCRR NIH HHS; K02 DA016991-04/DA/NIDA NIH HHS; K02 DA016991-05/DA/NIDA NIH HHS; K02-DA16991/DA/NIDA NIH HHS; R01 DA021146-01A1/DA/NIDA NIH HHS; R01 DA021146-02/DA/NIDA NIH HHS; R01 DA021146-03/DA/NIDA NIH HHS; U54 56883//PHS HHS; U54 NS056883-01A1/NS/NINDS NIH HHS; U54 NS056883-02/NS/NINDS NIH HHS; U54 NS056883-03/NS/NINDS NIH HHS |
| Chemical | |
Reg. No./Substance:
|
0/Biopolymers; 0/Protons |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: 23Na and 2H magnetic resonance studies of osteoarthritic and osteoporotic articular cartilage.
Next Document: Characterization of 1H NMR signal in human cortical bone for magnetic resonance imaging.