Visualization of hemodynamics in a silicon aneurysm model using time-resolved, 3D, phase-contrast MRI.
AJNR Am J Neuroradiol
; 27(5): 1119-22, 2006 May.
Article
em En
| MEDLINE
| ID: mdl-16687555
ABSTRACT
We performed time-resolved 3D phase-contrast MR imaging by using a 1.5T MR scanner to visualize hemodynamics in a silicon vascular model with a middle cerebral aneurysm. We ran an aqueous solution of glycerol as a flowing fluid with a pulsatile pump. Time-resolved images of 3D streamlines and 2D velocity vector fields clearly demonstrated that the aneurysm had 3D complex vortex flows within it during systolic phase. This technique provided us with time-resolved 3D hemodynamic information about the intracranial aneurysm.
Texto completo:
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Base de dados:
MEDLINE
Assunto principal:
Silício
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Imageamento por Ressonância Magnética
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Aneurisma Intracraniano
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Imageamento Tridimensional
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Hemodinâmica
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Modelos Anatômicos
Limite:
Aged
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Female
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Humans
Idioma:
En
Ano de publicação:
2006
Tipo de documento:
Article