Cerebral perfusion in patients with unilateral internal carotid artery occlusion by dual post-labeling delays arterial spin labeling imaging

Table 1 Patient characteristics of internal carotid artery occlusion

Patient Number	Age (year)	Sex	Symptoms/Onset time	Imaging	Occlusion side	Occlusion site	Contralateral side	Collateral flow pathway
1	47	Female	Headache/1 month		R	Initial		ACoA
2	51	Male	Neuro-deficiency/5 days	Stroke	R	Ophthalmic		ACoA
3	50	Male	Neuro-deficiency/1 week	Stroke	R	Ophthalmic		ACoA + PCoA + L
4	57	Male	Neuro-deficiency/1 week	Stroke	L	Initial		ACoA + PCoA + OA
5	58	Male	TIA/4 days		R	Initial	CCA 20%	ACoA + L + OA
6	55	Male	Neuro-deficiency/2 weeks	Stroke	R	Clinoid		OA
7	82	Male	TIA/1 month		L	Initial	ICA 20%	ACoA + PCoA
8	67	Male	Neuro-deficiency/4 days	Stroke	L	Initial	ICA 20%	ACoA
9	66	Male	Neuro-deficiency/2 weeks	Stroke	R	Initial	ICA 20%	PCoA
10	61	Female	Headache/2 months		L	Ophthalmic		ACoA + PCoA + L
11	56	Male	Dizziness/1 month	Stroke	R	Initial	MCA 20%	ACoA + PCoA + OA
12	57	Male	Dizziness/3 years		L	Communicating	ICA 20%	PCoA
13	42	Male	Dizziness/3 days		L	Ophthalmic		ACoA + PCoA
14	59	Male	TIA/1 week		R	Initial	ICA 20%	ACoA + PCoA + OA + L
15	35	Male	Neuro-deficiency/2 months	Stroke	R	Terminal		New vessels + L
16	70	Male	Neuro-deficiency/2 months	Stroke	R	Ophthalmic	ICA 20%-30%	ACoA + PCoA
17	46	Female	Neuro-deficiency/5 days	Stroke	R	Ophthalmic		ACoA
18	62	Male	TIA/3 days		L	Initial	ICA 40%	OA
19	71	Male	Neuro-deficiency/10 days	Stroke	L	Initial	ICA 40%
20	58	Male	Neuro-deficiency/3 days	Stroke	L	Ophthalmic	ICA 20%	ACoA

CCA: Common carotid artery; TIA: Transient ischemic attack; ICA: Internal carotid artery; MCA: Middle cerebral artery; ICA: Internal carotid artery; MCA: Middle cerebral artery; ACA: Anterior cerebral artery; ACoA: Anterior communicating artery; PCoA: Posterior communicating artery; OA: Ophthalmic artery; L: Leptomeningeal.