OTDT/OTPT, preprocedural neurologic symptoms, and DWI/angiographic findings in the occlusion group
| Patient/Sex/Age (y) | OTDT/OTPT (h) | Preprocedural Neurologic Symptoms | A-NIHSS/P-NIHSS | High Signal Intensity on DWI | Occluded Vessels* |
|---|---|---|---|---|---|
| 1/M/57 | 68/72 | Deep coma, AR, OP, BP, QP | 12/34 | M, P, CER | lt.V4-pBA, rt.V1 |
| 2/M/72 | 31/48 | Stupor, OP, BP, HP | 8/21 | M, CER, OL | lt.V4, rt.V1 |
| 3/M/63 | 1/3 | Coma, AR, OP, BP, QP | 29/29 | P, CER | lt.V4, rt.V3 |
| 4/M/75 | 5/7 | Somnolence, OP, BP, QP | 17/17 | P | lt.V4, rt.V3, pBA |
| 5/F/62 | 8/10 | Somnolence, BP, HP | 12/12 | P, CER | mBA |
| 6/F/73 | 4/6 | Deep coma, AR, OP, BP, QP | 34/34 | M, P, MB, CER | lt.V3, rt.V1 |
| 7/M/74 | 1/3 | Deep coma, AR, OP, BP, QP | 34/34 | MB, CER | pBA |
| 8/M/77 | 5/7 | Stupor, AR, OP, BP, QP | 22/22 | P, CER, OL | lt.V4-pBA, rt.V2 |
| 9/M/84 | 9/11 | Somnolence, BP, HP | 3/15 | P | mBA, lt.V4 |
| 10/F/74 | 3/5 | Coma, AR, OP, BP, QP | 30/30 | P, OL | mBA |
| 11/M/74 | 2/17 | Deep coma, AR, OP, BP, QP | 4/30 | CER | lt.V4-pBA, rt.V2 |
| 12/M/63 | 7/9 | Deep coma, AR, OP, BP, QP | 35/35 | P, CER | rt.V4, lt.V3 |
| 13/F/76 | 24/47 | Stupor, AR, OP, BP, QP | 6/27 | P, CER, OL | lt.V4, rt.V4 |
| 14/F/81 | 12/36 | Coma, AR, OP, BP, QP | 4/32 | P, MB, OL | mBA |
| 15/F/71 | 4/47 | Stupor, OP, BP, HP | 7/20 | P, CER | lt.V3, rt.V3 |
| 16/F/60 | 4/6 | Deep coma, AR, OP, BP, QP | 34/34 | P | pBA |
Note:—OTDT indicates onset-to-door time; OTPT, onset-to-the-procedure time; A-NIHSS, National Institutes of Health Stroke Scale score on admission; P-NIHSS, preprocedural National Institutes of Health Stroke Scale score; M (column 1), male; F, female; DWI, diffusion-weighted MR imaging performed immediately before the procedure; AR, ataxic respiration; OP, ophthalmoplegia; BP, bulbar palsy; QP, quadriparesis; HP, hemiparesis; M (column 5), medulla oblongata; P, pons; MB, midbrain; CER, cerebellum; OL, occipital lobe; lt., left-sided; rt., right-sided; V1, proximal extraosseous segment of the vertebral artery; V2, foraminal segment of the vertebral artery; V3, intra-extraspinal segment of the vertebral artery; V4, intradural segment of the VA; pBA, proximal basilar artery; mBA, middle basilar artery; dBA, distal basilar artery.
* This was diagnosed by angiography.