Table 3

Technical capabilities and limitations by supra-aortic artery

	RS	RV	RCC	RIC	REC	LCC	LIC	LEC	LS	LV
Accessed and injected	27	39	38	34	12	37	32	12	30	11
Attempted but unable to access	0	1	0	4	1	0	4	1	2	8
Success (%)	100	98	100	89	92	100	89	92	94	59

LCC, left common carotid artery; LEC, left external carotid artery; LIC, left internal carotid artery; LS, left subclavian artery; LV, left vertebral artery; RCC, right common carotid artery; REC, right external carotid artery; RIC, right internal carotid artery; RS, right subclavian artery; RV, right vertebral artery.