Tridirectional phase-contrast magnetic resonance velocity mapping depicts severe hemodynamic alterations in a patient with aortic dissection type Stanford B
This report describes flow patterns derived by three-dimensional (3D) three-directional velocity-encoded cine (VEC) magnetic resonance imaging (MRI), in a patient with chronic Stanford type B aortic dissection. Acquired 3D VEC MRI data illustrated an acceleration of blood flow through the primary entry toward the vessel wall of the false lumen, leading to disturbed intraluminal flow. Furthermore, accelerated blood flow was observed in the partially compressed true lumen. 3D VEC MRI data may be helpful to guide physicians for a more comprehensive preoperative and postoperative assessment of complex aortic pathologies.
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The research leading to these results has received funding from the European Community's Seventh Framework Programme (FP7/2007-2013) under grant agreement No. 224495 (euHeart project). Fabian Rengier received a grant from the German Research Foundation (DFG) within the “Research training group 1126: Intelligent Surgery - Development of new computer-based methods for the future workplace in surgery.”
Competition of interest: none.
The editors and reviewers of this article have no relevant financial relationships to disclose per the JVS policy that requires reviewers to decline review of any manuscript for which they may have a competition of interest.
Video clips for this article may be found online at www.jvascsurg.org.
PII: S0741-5214(11)00310-7
doi:10.1016/j.jvs.2011.02.017
© 2011 Society for Vascular Surgery. Published by Elsevier Inc. All rights reserved.
