Abstract #3583
Accurately Measured Collateral Perfusion in Stroke Patients Using Multi-TI Arterial Spin-Labeling
Tianyi Qian 1 , Zhiwei Zuo 2 , Josef Pfeuffer 3 , Yuehua Pu 4 , Penggang Qiao 2 , Liping Liu 4 , and Gongjie Li 2
1
MR Collaborations NE Asia, Siemens
Healthcare, Beijing, Beijing, China,
2
Radiology,
Affiliated hospital of Academy of Military Medical
Sciences, Beijing, China,
3
Application
Development, Siemens Healthcare, Erlangen, Germany,
4
Neurology,
Beijing Tiantan Hospital, Capital Medical University,
Beijing, China
A 3D multi-TI arterial spin-labeling (mTI-ASL) protocol
had been applied to measure the blood perfusion of
stroke patients. Both the bolus arrival time and relCBF
obtained from fitting the hemodynamic response curve
were agreed with the results of CT perfusion. The
accurate timing and relCBF obtained by mTI-ASL could
provide valuable information for evaluating collateral
circulation.
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