Table 1. Demographics and etiology as well as background information on performed interventions and NIRS measurements.

ID	Age (years)	Gender	Etiology	Intervention	NIRS measurement duration (minutes)	Site of occlusion	Number of occlusions	Occlusion duration (seconds)	Anesthesia	Remarks
S1	35	F	Aneurysm in proximal left ICA	Balloon remodeling	143	Left MCA	20	43±29 (range 11–105)	General	—
S2	80	F	Steno-occlusive disease	PTA	44	Left ICA	1	20	Local	Restenosis of left ICA, pseudo-occlusion of right ICA (NASCET 90%)
S3	59	M	Steno-occlusive disease	PTA	70	Left ICA	1	31	Local	Stenosis in left (NASCET 57%) and right ICA (NASCET 54%)
S4	81	M	Steno-occlusive disease	PTA	167	Left ICA	1	45	General	Pseudo-occlusion of left ICA (NASCET 90%), bradycardia during PTA
S5	79	M	Steno-occlusive disease	PTA	75	Right ICA	1	77	Local	Stenosis in right (NASCET 70%) and left ICA (NASCET 65%)
L1	69	M	Laryngeal carcinoma right	BOT	38	Right CCA (no right ECA)	1	1,275	Local	Nonsymptomatic, stenosis of the left ICA (NASCET 53%)
L2	48	F	Giant aneurysm in right ICA	BOT	52	Right ICA	1	626	Local	Symptomatic
L3	25	F	Neurofibroma at skull base	BOT	65	Right ICA	1	2,060	Local	Nonsymptomatic
L4	59	M	Laryngeal carcinoma left	BOT	128	Left ICA	1	2,100	Local	Nonsymptomatic

BOT, balloon occlusion testing; CCA, common carotid artery; ICA, internal carotid artery; ECA, external carotid artery; PTA, percutaneous transluminal angioplasty; MCA, middle cerebral artery; NASCET, North American Symptomatic Carotid Endarterectomy Trial; NIRS, near infrared spectroscopy.