Summary of patient characteristics, treatment, and outcome
| No. of Patients (N = 13) | |
|---|---|
| Male sex | 11 (84.6%) |
| Age (mean ± SD) (yr) | 56 ± 6.2 |
| Pretreatment NIHSS (mean ± SD) | 26 ± 4 |
| Symptom-to-door time (mean ± SD) (min) | 587 ± 341 |
| Needle-to-recanalization (mean ± SD) (min) | 93 ± 28 |
| Door-to-reperfusion (mean ± SD) (min) | 301 ± 117 |
| Underlying site of stenosis | |
| BA | 10 (76.9%) |
| V4 | 3 (13%) |
| Endovascular treatment for the stenosis | |
| PTA alone | 3 (23.1%) |
| Apollo stent | 3 (23.1%) |
| Wingspan stent | 7 (53.8%) |
| Glycoprotein IIb/IIIa inhibitor | 6 (46.2%) |
| Pre-PTA/stenting stenosis (mean ± SD) | 91.5 ± 2.4% |
| Post-PTA/stenting stenosis (mean ± SD) | 24.6 ± 12.6% |
| Pre-PTA/stenting TICI (post-mechanical thrombectomy) | |
| 0 | 2 (5.4%) |
| 1 | 7 (53.8%) |
| 2a | 4 (30.8%) |
| Post-PTA/stenting TICI | |
| 2b | 3 (23.1%) |
| 3 | 10 (76.9%) |
| Distal embolization to PCA/cerebellar arteries | 3 (23.1%) |
| Outcome | |
| NIHSS score on discharge for surviving patients (mean ± SD) | 12 ± 6 |
| % of patients with NIHSS ≥10-point improvement | 10 (79.9%) |
| Mortality on discharge | 2 (15.3%) |
| mRS at 90 days | |
| mRS 0–2 | 6 (46.2%) |
| mRS 0–3 | 9 (69.2%) |
| Ischemic events at 90-day follow-up | 0 (0%) |
Note:—BA indicates basilar artery; PCA, posterior cerebral artery; V4, vertebral artery V4 segment.