Relationship between the hemodynamic changes on multi-Td pulsed arterial spin labeling images and the degrees of cerebral artery stenosis

The hemodynamic changes on multi-Td PASL images were different with the degrees of cerebral artery stenosis. Moderate stenosis means greater hemodynamic changes in the arteries than mild stenosis. Multi-Td PASL imaging is a promising means to evaluate the hemodynamic changes in cerebral arteries with stenosis.