Abstract #3861
Accelerated time-resolved Time-Of-Flight Magnetic Resonance Angiography in Mice Models
William Lefranois 1 , Charles Castets 1 , Aurlien Trotier 1 , Eric Thiaudire 1 , Jean-Michel Franconi 1 , and Sylvain Miraux 1
1
Centre de Rsonance Magntique des Systmes
Biologiques, Bordeaux, France, Metropolitan
Anatomical and functional Time-Of-Flight (TOF) Magnetic
Resonance Angiography (MRA) is a powerful tool to
investigate vascular function in healthy and diseased
small animal models. Nevertheless, this technique can
require relatively long acquisition times. The goal of
this study was to develop an accelerating strategy to
improve blood flow visualisation in mice using a cine-3D
echo-planar imaging sequence. This method was applied at
7T in mice to investigate carotid arteries and allowed
to divide acquisition times by three compared with the
previous functional TOF MRA method using a simple
gradient echo sequence.
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