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Abstract #3263

To investigate blood flow in head and neck arteries by phase contrast MRI

Agnès Paasche1, Jérémie Bettoni1, Stéphanie Dakpé1, Bernard Devauchelle2, Sylvie Testelin2, and Olivier Balédent3

1MAXILLOFACIAL SURGERY, EA Chimere 7516, AMIENS, France, 2MAXILLOFACIAL SURGERY, FACING FACES INSTITUTE, AMIENS, France, 3BIO FLOW IMAGE, EA Chimere 7516, AMIENS, France

The 2D-cine PC MRI allows to know precisely the arterial flow in small vessels but it is unsuited for clinical use. The principal aim of this study was to determine the precision loss when rapid monophasic PC sequences (whiches are not synchronised with cardiac cycle) are used compared to the traditional 2D-cine sequences in ten healthy volunteers. Pearson’s coefficient between the two technics was determined and Bland Altman tests were used. The precision loss was between 0,55 % et 27 %, depending on the studied vessel, so the monophasic PC sequences can be used for clinical vascular evaluation in pretherapeutic conditions.

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