Abstract #2352
Comparison of 3 and 7 Tesla arterial spin labelling techniques for simultaneous functional perfusion and BOLD MRI studies
Dimo Ivanov 1 , Anna Gardumi 1 , Benedikt A Poser 1 , Josef Pfeuffer 2 , and Kmil Uludağ 1
1
Department of Cognitive Neuroscience,
Maastricht University, Maastricht, Netherlands,
2
Application
Development, Siemens Healthcare, Erlangen, Germany
In this study, a pCASL and two PASL variants at 3 T are
compared with a PASL approach at 7 T to determine, which
of the techniques is most suited for simultaneous high
temporal resolution functional CBF and BOLD
measurements. The 3 T techniques show no significant
differences in either grey matter perfusion or temporal
SNR values. In contrast, the 7 T variant tested delivers
significantly lower grey matter CBF and temporal SNR
values, while offering improved BOLD sensitivity. This
indicates that further technical improvements might be
necessary for 7 T ASL to be able to reach its full
potential.
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