Table 1.

Clinical features of 16 patients with unruptured vertebral artery dissecting aneurysms and radiologic and clinical follow-up outcomes after flow diversion deployment.

Patient no.	Gender	Symptoms	Age	Aneurysm location	Maximal length of the aneurysm (mm)	Relation with PICA	FD type	Clinical FU months	Immediate angiography (OKM grade)	6-month FU angiography (OKM grade)	Last FU mRS	Procedure related complication
1	Male	Headache	41	R V4	8.2	Involving PICA	PED	7	A3	D	0	–
2	Female	Asymptomatic	56	R V4	11.3	Proximal to PICA	TUB	6	B3	D	0	–
3	Male	Vertigo	62	R V4	16.2	Distal to PICA	TUB	8	B3	C3	0	–
4	Male	Headache	43	L V4	15.1	Proximal to PICA	TUB	3	A3	/	0	–
5	Male	Headache	67	R V4	9	Involving PICA	PED	10	A3	D	0	–
6	Female	Asymptomatic	38	L V4	14	Proximal to PICA	TUB	6	C3	D	0	–
7	Male	Headache	48	L V4	8.5	Distal to PICA	TUB	7	B3	D	0	–
8	Female	Asymptomatic	51	L V4	14.6	Proximal to PICA	PED	12	C3	D	0	–
9	Male	Ataxia	55	R V4	7.4	Involving PICA	TUB	8	B3	D	0	–
10	Male	Asymptomatic	70	L V4	13	Distal to PICA	PED	7	B3	C3	0	–
11	Male	Vertigo	52	R V4	8.1	Distal to PICA	TUB	11	B3	C3	0	–
12	Female	Vertigo	62	R V4	6.6, 4.2	Proximal to PICA	TUB	8	A3	D	0	–
13	Female	Headache	74	L V4	11.8	Proximal to PICA	PED	7	A3	C3	0	–
14	Male	Neck pain	54	L V4	9.2	Distal to PICA	TUB	8	A3	D	0	–
15	Female	Headache	61	R V4	7.8	Proximal to PICA	PED	7	A3	C3	0	–
16	Male	Asymptomatic	48	L V4	12.2	Distal to PICA	TUB	9	B3	D	0	–

R, right; L, left; PED, pipeline embolization device; TUB, Tubridge; PICA, posterior inferior cerebellar artery; FU, follow–up; OKM, O'Kelly Marotta; mRS, modified Rankin Scale; “/”, means the follow-up time is <6 months; “–”, means there are no procedure-related complications in the patients.