Medical and Interventional Therapy for Spontaneous Vertebral Artery Dissection in the Craniocervical Segment

Table 2

Summary of characteristics of the 6 patients with SVAD treated conservatively.

Patient	Sex	Age	HT	FHS	DM	Signs/symptoms	SVAD location	VA dominance	Devel of con-VA	NIHSS	mRS	Follow-up (months)
1	f	37				N/H	V3(L)/DoVA(−)			0	0	30
2	m	39				N	V2(R)			0	0	24
3	f	46				N/T	V2(L)			0	0	36
4	f	27				P/H	V2(R)			0	0	12
5	f	23				N/T	V2(R)			0	0	11
6	m	38				P	V2(L)			0	0	12

N: nystagmus; T: tinnitus; H: headache; P: neck pain; m: male; f: female; SVAD: spontaneous vertebral artery dissection; VA: vertebral artery; Devel of con-VA: development of contralateral vertebral artery distal to the orifice of PICA (posterior inferior cerebellar artery); NIHSS: National Institute of Health stroke scale; mRS: modified Rankin score; V3: the third segment of vertebral artery; V2: the second segment of vertebral artery; L: left; R: right; DoVA(−): dissection on the nondominant vertebral artery; HT: hypertension; FHS: family history of stroke; DM: diabetes mellitus.