Consensus-Based Technical Recommendations for Clinical Translation of Renal Phase Contrast MRI.
consensus
kidney
phase-contrast MRI
renal blood flow
standardization
Journal
Journal of magnetic resonance imaging : JMRI
ISSN: 1522-2586
Titre abrégé: J Magn Reson Imaging
Pays: United States
ID NLM: 9105850
Informations de publication
Date de publication:
02 2022
02 2022
Historique:
revised:
15
10
2020
received:
02
09
2020
accepted:
16
10
2020
pubmed:
4
11
2020
medline:
29
1
2022
entrez:
3
11
2020
Statut:
ppublish
Résumé
Phase-contrast (PC) MRI is a feasible and valid noninvasive technique to measure renal artery blood flow, showing potential to support diagnosis and monitoring of renal diseases. However, the variability in measured renal blood flow values across studies is large, most likely due to differences in PC-MRI acquisition and processing. Standardized acquisition and processing protocols are therefore needed to minimize this variability and maximize the potential of renal PC-MRI as a clinically useful tool. To build technical recommendations for the acquisition, processing, and analysis of renal 2D PC-MRI data in human subjects to promote standardization of renal blood flow measurements and facilitate the comparability of results across scanners and in multicenter clinical studies. Systematic consensus process using a modified Delphi method. Not applicable. Renal fast gradient echo-based 2D PC-MRI. An international panel of 27 experts from Europe, the USA, Australia, and Japan with 6 (interquartile range 4-10) years of experience in 2D PC-MRI formulated consensus statements on renal 2D PC-MRI in two rounds of surveys. Starting from a recently published systematic review article, literature-based and data-driven statements regarding patient preparation, hardware, acquisition protocol, analysis steps, and data reporting were formulated. Consensus was defined as ≥75% unanimity in response, and a clear preference was defined as 60-74% agreement among the experts. Among 60 statements, 57 (95%) achieved consensus after the second-round survey, while the remaining three showed a clear preference. Consensus statements resulted in specific recommendations for subject preparation, 2D renal PC-MRI data acquisition, processing, and reporting. These recommendations might promote a widespread adoption of renal PC-MRI, and may help foster the set-up of multicenter studies aimed at defining reference values and building larger and more definitive evidence, and will facilitate clinical translation of PC-MRI. 1 TECHNICAL EFFICACY STAGE: 1.
Sections du résumé
BACKGROUND
Phase-contrast (PC) MRI is a feasible and valid noninvasive technique to measure renal artery blood flow, showing potential to support diagnosis and monitoring of renal diseases. However, the variability in measured renal blood flow values across studies is large, most likely due to differences in PC-MRI acquisition and processing. Standardized acquisition and processing protocols are therefore needed to minimize this variability and maximize the potential of renal PC-MRI as a clinically useful tool.
PURPOSE
To build technical recommendations for the acquisition, processing, and analysis of renal 2D PC-MRI data in human subjects to promote standardization of renal blood flow measurements and facilitate the comparability of results across scanners and in multicenter clinical studies.
STUDY TYPE
Systematic consensus process using a modified Delphi method.
POPULATION
Not applicable.
SEQUENCE FIELD/STRENGTH
Renal fast gradient echo-based 2D PC-MRI.
ASSESSMENT
An international panel of 27 experts from Europe, the USA, Australia, and Japan with 6 (interquartile range 4-10) years of experience in 2D PC-MRI formulated consensus statements on renal 2D PC-MRI in two rounds of surveys. Starting from a recently published systematic review article, literature-based and data-driven statements regarding patient preparation, hardware, acquisition protocol, analysis steps, and data reporting were formulated.
STATISTICAL TESTS
Consensus was defined as ≥75% unanimity in response, and a clear preference was defined as 60-74% agreement among the experts.
RESULTS
Among 60 statements, 57 (95%) achieved consensus after the second-round survey, while the remaining three showed a clear preference. Consensus statements resulted in specific recommendations for subject preparation, 2D renal PC-MRI data acquisition, processing, and reporting.
DATA CONCLUSION
These recommendations might promote a widespread adoption of renal PC-MRI, and may help foster the set-up of multicenter studies aimed at defining reference values and building larger and more definitive evidence, and will facilitate clinical translation of PC-MRI.
LEVEL OF EVIDENCE
1 TECHNICAL EFFICACY STAGE: 1.
Identifiants
pubmed: 33140551
doi: 10.1002/jmri.27419
pmc: PMC9291014
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
323-335Subventions
Organisme : NIDDK NIH HHS
ID : K08 DK099415
Pays : United States
Organisme : NIDDK NIH HHS
ID : R01 DK113272
Pays : United States
Organisme : Medical Research Council
ID : MR/R02264X/1
Pays : United Kingdom
Organisme : NIGMS NIH HHS
ID : U54 GM115428
Pays : United States
Organisme : NIDDK NIH HHS
ID : F32 DK109591
Pays : United States
Informations de copyright
© 2020 The Authors. Journal of Magnetic Resonance Imaging published by Wiley Periodicals LLC. on behalf of International Society for Magnetic Resonance in Medicine.
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