Patients’ baseline characteristics
| No. | Age/Sex | Risk Factors | Symptoms | Target Lesions | Contralateral VA | Concurrent Anterior Circulation ≥50% Stenosis | mRS |
|---|---|---|---|---|---|---|---|
| 1 | 70/M | HT, CAD, CS | TIA (vertigo) | R-V1 | L-V1 Oc | L-intraICA 50% | 1 |
| R-V4 | |||||||
| 2 | 60/M | HT, CS | TIA (vertigo, diplopia, ataxia) | R-V1, R-V4 | L-V4 Oc | R-ICA Oc | 1 |
| 3 | 66/F | HT | Pontine infarct (vertigo, LOC) | R-V1, BA | L-V4 Oc | L-M1 60% | 0 |
| 4 | 79/M | HT, CAD, CS | TIA (vertigo) | R-V1, BA | L-V1 Oc | R-ICA 55%, L-intraICA 60% | 2 |
| 5 | 49/M | HT, DL | TIA (vertigo) | L-V1, L-V4 | R-V4 Oc | No | 0 |
| 6 | 60/M | HT, CS | TIA (vertigo) | L-V1, BA | R-V1 90% | No | 1 |
| 7 | 66/M | HT | TIA (vertigo) | R-V1, R-V3, R-V4 | L-V1 Oc | R-intraICA 50% | 2 |
| 8 | 74/M | CS | TIA (bilateral blindness) | L-V1, L-V4 | R-V1 Oc | No | 0 |
| 9 | 57/M | HT, DL, DM, CS | TIA (vertigo, L weakness) | R-V1, BA | L-V1 50% | No | 0 |
| 10 | 72/M | HT, CS | TIA (vertigo, R & L weakness) | R-V1, R-V4 | L-V4 Oc | R-M1 50%, R-intraICA 60% | 0 |
Note:—CAD indicates coronary artery disease; CS, cigarette smoking; DL, dyslipidemia; DM, diabetes mellitus; F, female; HT, hypertension; ICA, cervical internal carotid artery; intraICA, intracranial ICA; L, left; LOC, loss of consciousness; M, male; M1, first segment of middle cerebral artery; Oc, occlusion; R, right; V1, V3, V4, first, third, and fourth segments of the VA, respectively; TIA, transient ischemic attack; BA, basilar artery.