4D-Flow Cardiovascular Magnetic Resonance Sequence for Aortic Assessment: Multi-Vendor and Multi-Magnetic Field Reproducibility in Healthy Volunteers

Author:

Punzo Bruna1,Ranieri Brigida1ORCID,Tramontano Liberatore1ORCID,Affinito Ornella1ORCID,Franzese Monica1ORCID,Bossone Eduardo2ORCID,Saba Luca3,Cavaliere Carlo1ORCID,Cademartiri Filippo4ORCID

Affiliation:

1. IRCCS SYNLAB SDN, Via Emanuele Gianturco 113, 80143 Naples, Italy

2. Department of Public Health, “Federico II” University of Naples, 80131 Naples, Italy

3. Department of Radiology, Azienda Ospedaliero-Universitaria (A.O.U.) di Cagliari, 09123 Cagliari, Italy

4. Department of Radiology, Fondazione Monasterio/CNR, 56124 Pisa, Italy

Abstract

Objectives: Four-dimensional (4D) flow cardiac magnetic resonance (CMR) represents an emerging technique for non-invasive evaluation of the aortic flow. The aim of this study was to investigate a 4D-flow CMR sequence for the assessment of thoracic aorta comparing different vendors and different magnetic fields of MR scanner in fifteen healthy volunteers. Methods: CMR was performed on three different MRI scanners: one at 1.5 T and two at 3 T. Flow parameters and planar wall shear stress (WSS) were extracted from six transversal planes along the full thoracic aorta by three operators. Inter-vendor comparability as well as scan–rescan, intra- and interobserver reproducibility were examined. Results: A high heterogeneity was found in the comparisons for each operator and for each scanner in the six transversal planes analysis (Friedman rank-sum test; p-value ≤ 0.05). Among all, the most reproducible measures were extracted for the sinotubular junction plane and for the flow parameters. Conclusions: Our results suggest that standardized procedures have to be defined to make more comparable and reproducible 4D-flow parameters and mainly, clinical impactfulness. Further studies on sequences development are needed to validate 4D-flow MRI assessment across vendors and magnetic fields also compared to a missing gold standard.

Funder

Italian Ministry of Health

Publisher

MDPI AG

Subject

General Medicine

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Imaging-based characterization of tumoral heterogeneity for personalized cancer treatment;RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren;2023-11-09

2. Quantitative 4D flow MRI-derived thoracic aortic normal values of 2D flow MRI parameters in healthy volunteers;RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren;2023-11-09

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