Quantification of CBF of RICA, LICA, VAs, and ECA before and after surgery using modified VE-ASL

Subject	Symptom	Scanning Time	CBF^a
Subject	Symptom	Scanning Time	RICA	LICA	VAs	ECA
1	RICA severe stenosis	Before ICA stenting,	14.3	28.0	26.4	25.2
		after ICA stenting	42.2	31.3	29.1	2.0
2^b	LICA occlusion, VA stenosis	Before VA stenting,	15.8	0.0	16.5	18.9
		after VA stenting	15.8	0.0	17.5	12.2
3	LICA occlusion	Before bypass,	22.1	0.0	19.3	0.0
		after bypass	20.5	0.0	19.1	12.3
4	RMCA occlusion	Before bypass,	14.4	23.3	18.9	0
		after bypass	25.8	21.5	17.5	19.1
5	RICA occlusion	Before bypass,	21.9	17.6	23.6	0
		after bypass	13.7	14.9	16.4	20.2
6	RICA occlusion, VA severe stenosis	Before bypass,	0	30.8	31.5	0
		after bypass	0	19.4	22.7	17.3
7^c	RICA occlusion	Before bypass,
		after bypass	17.3	17.2	21.5	11.8
8^c	RMCA severe stenosis	Before bypass,
		after bypass	0	15.2	14.2	20.5