Quantitative T
Magnetic resonance fingerprinting
Placenta
Pregnancy
Relaxometry
T(1)
T(2)
Journal
Placenta
ISSN: 1532-3102
Titre abrégé: Placenta
Pays: Netherlands
ID NLM: 8006349
Informations de publication
Date de publication:
10 2021
10 2021
Historique:
received:
15
01
2021
revised:
16
06
2021
accepted:
05
08
2021
pubmed:
20
9
2021
medline:
11
3
2022
entrez:
19
9
2021
Statut:
ppublish
Résumé
MR relaxometry has been used to assess placental exchange function, but methods to date are not sufficiently fast to be robust to placental motion. Magnetic resonance fingerprinting (MRF) permits rapid, voxel-wise, intrinsically co-registered T The accuracy of FISP-based, sliding-window reconstructed MRF was tested on phantoms. MRF scans in 9-s breath holds were acquired at 3T in 31 pregnant women during air and oxygen breathing. A mixed effects model was used to test for changes in placenta relaxation times between physiological states, to assess the dependency on gestational age (GA), and the impact of placental motion. MRF estimates of known phantom relaxation times resulted in mean absolute errors for T Well-characterized, motion-robust MRF was used to acquire T
Identifiants
pubmed: 34537569
pii: S0143-4004(21)00568-3
doi: 10.1016/j.placenta.2021.08.058
pmc: PMC8511125
mid: NIHMS1739882
pii:
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
124-132Subventions
Organisme : NICHD NIH HHS
ID : R01 HD100009
Pays : United States
Organisme : NICHD NIH HHS
ID : P50 HD105351
Pays : United States
Organisme : NIBIB NIH HHS
ID : R01 EB017219
Pays : United States
Organisme : NIBIB NIH HHS
ID : R01 EB017337
Pays : United States
Organisme : NICHD NIH HHS
ID : U01 HD087211
Pays : United States
Informations de copyright
Copyright © 2021 Elsevier Ltd. All rights reserved.
Déclaration de conflit d'intérêts
Declaration of competing interest All authors declare that they have seen and approved the final version. They have no conflicts of interest to declare.
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