Patient characteristics

Patient No.	Age (yr)	Sex	Clinical Presentation	Diagnosis	Procedure(s)
1	48	F	TIA	Atherosclerosis	R STA-MCA direct bypass
2	22	F	TIA	Trisomy 21	L encephalodural arterial synangiosis
3	52	F	TIA	Moyamoya disease	R STA-MCA direct bypass
4	38	F	Hemorrhage	Moyamoya disease	L STA-MCA direct bypass
5	63	M	Infarct	Vasculitis	R STA-MCA direct bypass
6	25	M	Asymptomatic	Neurofibromatosis type 1	R STA-MCA direct bypass
7	25	M	Cognitive decline	Sickle cell disease	R STA-MCA direct bypass
8	48	F	Hemorrhage	Chronic dissection	R STA-MCA direct bypass
9	19	F	Infarct	Radiation	L STA-MCA direct bypass
10	15	M	Hemorrhage	Moyamoya disease	R STA-MCA direct bypass and pial synangiosis
11	35	F	TIA	Stenosis of unclear etiology	L STA-MCA direct bypass
12	27	M	Worsening hearing loss	Moyamoya disease	L STA-MCA direct bypass
13	38	F	TIA	Moyamoya disease	L STA-MCA direct bypass; R STA-MCA direct and indirect bypass
14	35	F	Infarct	Mixed connective tissue disease	R STA-MCA direct bypass; L STA-MCA direct bypass
15	65	F	Hemorrhage	Moyamoya disease	R STA-MCA direct bypass; L STA-MCA direct bypass
16	33	F	Infarct	Moyamoya disease	R STA-MCA direct bypass
17	36	F	Infarct	Moyamoya disease	R STA-MCA direct bypass; L STA-MCA indirect bypass
18	42	M	Infarct	Moyamoya disease	L STA-MCA direct bypass; R STA-MCA direct bypass
19	42	F	Hemorrhage	Moyamoya disease	L STA-MCA direct bypass; R STA-MCA direct and indirect bypass
20	26	F	Hemorrhage	Cocaine use	L STA-MCA direct bypass; R STA-MCA direct bypass
21	43	F	TIA	Moyamoya disease	L STA-MCA direct and indirect bypass
22	50	F	TIA	Moyamoya disease	L STA-MCA indirect bypass
23	46	M	TIA	Stenosis of unclear etiology	L STA-MCA direct bypass
24	44	M	TIA	Stenosis of unclear etiology	L STA-MCA direct bypass
25	74	M	TIA	Stenosis of unclear etiology	L STA-MCA direct bypass