Table 1:

Patient demographics

Pt.	Moyamoya Etiology	Age (yr)	Sex	Laterality	Operative Status	Suzuki³⁷ (R/L), Preoperative	Treatment	Matsushima³⁸ (R/L)
1	Idiopathic	11	F	Left	Pre	IV
		12			Post		Left synangiosis	C
2	NF1	6	M	Right	Post	IV–V	Right synangiosis	A
3	SCD	13	F	Bilateral	Post	NA	Bil synangiosis	A
4	Idiopathic	14	F	Bilateral	Post	III–IV/III–IV	Bil synangiosis	A/A
5	Idiopathic	19	F	Bilateral	Post	V–VI/III–IV	Bil synangiosis	A/C
6	NF1	17	F	Bilateral	Pre	I/III–IV
7	SCD	11	M	Bilateral	Post	II/II	Bil synangiosis	A/B
8	Idiopathic	14	M	Bilateral	Post	IV/IV	Bil synangiosis	A/A
9	Idiopathic	13	F	Bilateral	Post	II/III	Bil synangiosis	B/C
10	Idiopathic	16	F	Bilateral	Pre	I/I
11	Idiopathic	7	F	Bilateral	Pre	II/II
12	NF1^{^a}	5	F	Right	Pre	I
13	SCD	11	F	Right	Pre	II
14	NF1	8	M	Left	Post	III	Left synangiosis	A
15	Idiopathic	7	F	Right	Post	III	Right synangiosis	A
16	Idiopathic	13	F	Left	Post	NA	Left synangiosis	B
17	Idiopathic	19	F	Bilateral	Pre	III/I–II
18	Idiopathic	3	M	Bilateral	Post	II–III/II–III	Bil synangiosis	B/A–B
19	NF1	15	M	Left	Post	V	Left synangiosis	B
20	Idiopathic	12	M	Right	Post	III–IV	Right synangiosis	B–C
21	Idiopathic	15	M	Bilateral	Post	III/III	Bil synangiosis	B/B
22	Idiopathic	2	M	Bilateral	Post	IV/II	Bil synangiosis	A/A–B

Note:—NF1 indicates neurofibromatosis type 1; SCD, sickle cell disease; Pre, before; Post, after; R, right; L, left; NA, not applicable; Bil, bilateral.
↵a Patient with NF1 with radiated right masticator space tumor; arteriopathy possibly related to radiation.