Reproducibility of 3D free-breathing magnetic resonance coronary vessel wall imaging.

Détails

ID Serval
serval:BIB_8FA2AFC4529E
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Titre
Reproducibility of 3D free-breathing magnetic resonance coronary vessel wall imaging.
Périodique
European Heart Journal
Auteur(s)
Desai M.Y., Lai S., Barmet C., Weiss R.G., Stuber M.
ISSN
0195-668X[print], 0195-668X[linking]
Statut éditorial
Publié
Date de publication
2005
Volume
26
Numéro
21
Pages
2320-2324
Langue
anglais
Notes
Publication types: Evaluation Studies ; Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, P.H.S.
Publication Status: ppublish
Résumé
AIMS: Although the coronary artery vessel wall can be imaged non-invasively using magnetic resonance imaging (MRI), the in vivo reproducibility of wall thickness measures has not been previously investigated. Using a refined magnetization preparation scheme, we sought to assess the reproducibility of three-dimensional (3D) free-breathing black-blood coronary MRI in vivo. METHODS AND RESULTS: MRI vessel wall scans parallel to the right coronary artery (RCA) were obtained in 18 healthy individuals (age range 25-43, six women), with no known history of coronary artery disease, using a 3D dual-inversion navigator-gated black-blood spiral imaging sequence. Vessel wall scans were repeated 1 month later in eight subjects. The visible vessel wall segment and the wall thickness were quantitatively assessed using a semi-automatic tool and the intra-observer, inter-observer, and inter-scan reproducibilities were determined. The average imaged length of the RCA vessel wall was 44.5+/-7 mm. The average wall thickness was 1.6+/-0.2 mm. There was a highly significant intra-observer (r=0.97), inter-observer (r=0.94), and inter-scan (r=0.90) correlation for wall thickness (all P<0.001). There was also a significant agreement for intra-observer, inter-observer, and inter-scan measurements on Bland-Altman analysis. The intra-class correlation coefficients for intra-observer (r=0.97), inter-observer (r=0.92), and inter-scan (r=0.86) analyses were also excellent. CONCLUSION: The use of black-blood free-breathing 3D MRI in conjunction with semi-automated analysis software allows for reproducible measurements of right coronary arterial vessel-wall thickness. This technique may be well-suited for non-invasive longitudinal studies of coronary atherosclerosis.
Mots-clé
Adult, Coronary Vessels/anatomy & histology, Female, Humans, Imaging, Three-Dimensional, Magnetic Resonance Angiography/methods, Magnetic Resonance Angiography/standards, Male, Observer Variation, Reproducibility of Results, Respiration, Sensitivity and Specificity
Pubmed
Web of science
Open Access
Oui
Création de la notice
02/03/2010 17:04
Dernière modification de la notice
08/05/2019 21:56
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