A dual center and dual vendor comparison study of automated perfusion-weighted phase-resolved functional lung magnetic resonance imaging with dynamic contrast-enhanced magnetic resonance imaging in patients with cystic fibrosis.
Fourier decomposition
free‐breathing proton MRI
pulmonary MRI
Journal
Pulmonary circulation
ISSN: 2045-8932
Titre abrégé: Pulm Circ
Pays: United States
ID NLM: 101557243
Informations de publication
Date de publication:
Apr 2022
Apr 2022
Historique:
received:
23
07
2021
revised:
17
12
2021
accepted:
17
02
2022
entrez:
6
5
2022
pubmed:
7
5
2022
medline:
7
5
2022
Statut:
epublish
Résumé
For sensitive diagnosis and monitoring of pulmonary disease, ionizing radiation-free imaging methods are of great importance. A noncontrast and free-breathing proton magnetic resonance imaging (MRI) technique for assessment of pulmonary perfusion is phase-resolved functional lung (PREFUL) MRI. Since there is no validation of PREFUL MRI across different centers and scanners, the purpose of this study was to compare perfusion-weighted PREFUL MRI with the well-established dynamic contrast-enhanced (DCE) MRI across two centers on scanners from two different vendors. Sixteen patients with cystic fibrosis (CF) (Center 1: 10 patients; Center 2: 6 patients) underwent PREFUL and DCE MRI at 1.5T in the same imaging session. Normalized perfusion-weighted values and perfusion defect percentage (QDP) values were calculated for the whole lung and three central slices (dorsal, central, ventral of the carina). Obtained parameters were compared using Pearson correlation, Spearman correlation, Bland-Altman analysis, Wilcoxon signed-rank test, and Wilcoxon rank-sum test. Moderate-to-strong correlations between normalized perfusion-weighted PREFUL and DCE values were found (posterior slice:
Identifiants
pubmed: 35514781
doi: 10.1002/pul2.12054
pii: PUL212054
pmc: PMC9063970
doi:
Types de publication
Journal Article
Langues
eng
Pagination
e12054Subventions
Organisme : Medical Research Council
ID : MR/M008894/1
Pays : United Kingdom
Organisme : British Heart Foundation
ID : SP/14/6/31350
Pays : United Kingdom
Informations de copyright
© 2022 The Authors. Pulmonary Circulation published by John Wiley & Sons Ltd on behalf of Pulmonary Vascular Research Institute.
Déclaration de conflit d'intérêts
The authors declare no conflicts of interest.
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