Table 1.
Summary of characteristics of the 14 patients with SVAD treated by stenting.
| Patient | Sex | Age | HT | FHS | DM | Signs/symptoms | SVAD location | VA dominance | Devel of con-VA | NIHSS | mRS | Follow-up (months) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | m | 39 | − | + | − | A/N/T/V/H | V3(L)/DoVA(−) | + | + | 2 | 0 | 6 |
| 2 | m | 38 | + | − | − | A/N/V/P | V3(R)/DoVA(+) | + | − | 1 | 0 | 12 |
| 3 | m | 41 | − | − | − | N/T/V/P | V2(L)/DoVA(+) | + | + | 1 | 0 | 9 |
| 4 | m | 29 | − | − | + | A/N/V | V2(R)/DoVA(+) | + | − | 1 | 0 | 36 |
| 5 | m | 46 | − | − | − | A/N/T/V | V3(R)/DoVA(+) | + | − | 1 | 0 | 24 |
| 6 | m | 38 | − | − | − | A/N/V/P | V3(L)/DoVA(+) | + | + | 1 | 0 | 36 |
| 7 | m | 45 | + | − | − | A/N/T/H | V2(L)/DoVA(+) | + | − | 1 | 0 | 60 |
| 8 | f | 33 | − | − | − | D&D | V3(L)/DoVA(+) | + | − | 3 | 1 | 48 |
| 9 | m | 37 | − | − | − | A/N/T/V | V3(R)/DoVA(+) | + | + | 1 | 0 | 48 |
| 10 | m | 40 | − | − | − | A/N/P | V2(L)/DocVA(−) | + | + | 1 | 0 | 30 |
| 11 | f | 46 | + | − | − | A/N/T/H | V3(R)/DoVA(+) | + | − | 1 | 0 | 24 |
| 12 | m | 28 | − | − | − | A/T/H | V2(L)/DoVA(+) | + | − | 1 | 0 | 30 |
| 13 | m | 35 | − | − | + | A/N/T/H | V3(L)/DoVA(+) | + | + | 1 | 0 | 36 |
| 14 | m | 36 | − | − | − | A/V/H | V2(L)/DoVA(+) | + | − | 1 | 0 | 48 |
A: ataxia; N: nystagmus; T: tinnitus; V: vomiting; H: headache; P: neck pain; D&D: dysphagia and dysarthria; 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 dominant vertebral artery; DoVA(−): dissection on the nondominant vertebral artery; HT: hypertension; FHS: family history of stroke; DM: diabetes mellitus.