Abstract #2726
Selective ASL delineates borderzone territories in patients with stenosis of the middle cerebral artery
Andrea Federspiel 1 , Mirjam Rachel Heldner 2 , Urs Fischer 2 , Jan Gralla 3 , and Roland Wiest 3
1
Psychiatric Neurophysiology, University
Hospital of Psychiatry, University of Bern, Bern, Bern,
Switzerland,
2
Department
of Neurology and Stroke Center, University of Bern,
Bern, Bern, Switzerland,
3
Institute
of Diagnostic and Interventional Neuroradiology,
University of Bern, Bern, Bern, Switzerland
In the present study the relationship between cerebral
blood flow (CBF) and CBF velocity was investigated in a
cohort of twenty patients with intracranial stenosis.
After rigorous treatment physiology-related artefacts of
vessel-selective arterial spin labeling (sASL) time
series a significant positive linear relationship
located within the anterior and posterior watershed
areas of the middle cerebral artery (MCA). The findings
of the present study suggest that regional CBF measures
along watershed territories as measured by sASL are
reliable markers of sufficient collateral supply.
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