Comparison of Multivendor Single-Voxel MR Spectroscopy Data Acquired in Healthy Brain at 26 Sites.
Journal
Radiology
ISSN: 1527-1315
Titre abrégé: Radiology
Pays: United States
ID NLM: 0401260
Informations de publication
Date de publication:
04 2020
04 2020
Historique:
pubmed:
12
2
2020
medline:
7
8
2020
entrez:
12
2
2020
Statut:
ppublish
Résumé
Background The hardware and software differences between MR vendors and individual sites influence the quantification of MR spectroscopy data. An analysis of a large data set may help to better understand sources of the total variance in quantified metabolite levels. Purpose To compare multisite quantitative brain MR spectroscopy data acquired in healthy participants at 26 sites by using the vendor-supplied single-voxel point-resolved spectroscopy (PRESS) sequence. Materials and Methods An MR spectroscopy protocol to acquire short-echo-time PRESS data from the midparietal region of the brain was disseminated to 26 research sites operating 3.0-T MR scanners from three different vendors. In this prospective study, healthy participants were scanned between July 2016 and December 2017. Data were analyzed by using software with simulated basis sets customized for each vendor implementation. The proportion of total variance attributed to vendor-, site-, and participant-related effects was estimated by using a linear mixed-effects model.
Identifiants
pubmed: 32043950
doi: 10.1148/radiol.2020191037
pmc: PMC7104702
doi:
Types de publication
Comparative Study
Journal Article
Multicenter Study
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
171-180Subventions
Organisme : NIH HHS
ID : S10 OD012336
Pays : United States
Organisme : NINDS NIH HHS
ID : R01 NS096207
Pays : United States
Organisme : NIMH NIH HHS
ID : R01 MH095014
Pays : United States
Organisme : NIAAA NIH HHS
ID : R01 AA025365
Pays : United States
Organisme : NIA NIH HHS
ID : K01 AG050707
Pays : United States
Organisme : NEI NIH HHS
ID : F32 EY025121
Pays : United States
Organisme : NIBIB NIH HHS
ID : R01 EB016089
Pays : United States
Organisme : NIEHS NIH HHS
ID : F31 ES028081
Pays : United States
Organisme : NIAAA NIH HHS
ID : K01 AA025306
Pays : United States
Organisme : NIBIB NIH HHS
ID : R01 EB023963
Pays : United States
Organisme : NICHD NIH HHS
ID : P50 HD103524
Pays : United States
Organisme : NIA NIH HHS
ID : R01 AG054077
Pays : United States
Organisme : NIAAA NIH HHS
ID : K23 AA020842
Pays : United States
Organisme : NIMH NIH HHS
ID : R00 MH107719
Pays : United States
Organisme : Wellcome Trust
Pays : United Kingdom
Organisme : NIH HHS
ID : S10 OD021726
Pays : United States
Organisme : NEI NIH HHS
ID : T32 EY015387
Pays : United States
Organisme : NIBIB NIH HHS
ID : P41 EB015909
Pays : United States
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