Abstract #2545
Simultaneous assessment of respiration and heart beat on CSF and blood oscillations in near real-time imaging
Joel Daouk 1 , Roger Bouzerar 1,2 , and Olivier Baledent 1,2
1
BioFlow Image, University of Picardie Jules
Verne, Amiens, Picardie, France,
2
Medical
Image Processing, CHU Amiens, Picardie, France
MR vascular images are obtained after the acquisition of
several cardiac cycles followed by an average of these
measures. In this case, we do not have the true cardiac
information and respiratory influence is lost. The aim
of the present study was to apply a near real time
imaging to follow physiological changes in CSF, arterial
and venous flows. Moreover, we expose the principle of
an automatic Fourier-based method to extract respiratory
and cardiac frequencies in fast MR images and to assess
the contribution of the two physiological phenomena to
the signal obtained during MR acquisitions in various
fluids.
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