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.