Patient characteristics and MRI findings before MT and complications and clinical outcome after MT in patients with and without SVS
| SVS− (n = 20) | SVS+ (n = 53) | P Value | |
|---|---|---|---|
| Before thrombectomy | |||
| Age (yr) (mean) | 59 ± 12 | 59 ± 14 | .93 |
| Sex ratio | |||
| Female | 10 (50%) | 27 (51%) | .94 |
| Male | 10 (50%) | 26 (49%) | |
| Cardiovascular risk factors | |||
| Hypertension | 9 (45%) | 18 (35%) | .42 |
| Diabetes | 2 (10%) | 4 (8%) | .67 |
| Hyperlipidemia | 8 (40%) | 14 (27%) | .28 |
| Smoking | 7 (35%) | 9 (17%) | .12 |
| Obesity | 1 (5%) | 7 (13%) | .43 |
| Initial NIHSS | .66 | ||
| ≤10 | 1 (5%) | 6 (11%) | |
| 10–20 | 11 (55%) | 27 (51%) | |
| >20 | 8 (40%) | 20 (38%) | |
| ASPECTS | .68 | ||
| ≤7 | 8 (40%) | 24 (45%) | |
| >7 | 12 (60%) | 29 (55%) | |
| Side of occlusion | .45 | ||
| Left | 14 (70%) | 32 (60%) | |
| Right | 6 (30%) | 21 (40%) | |
| Site of occlusion | .37 | ||
| ICA | 9 (45%) | 30 (57%) | |
| MCA | 11 (55%) | 23 (43%) | |
| Dissection | 1 (5%) | 10 (19%) | .27 |
| IV tPA | 11 (55%) | 29 (55%) | .98 |
| Onset-to-groin puncture | |||
| ≤270 min | 5 (25%) | 13 (25%) | .98 |
| 270 min to 360 min | 8 (40%) | 20 (38%) | |
| >360 min | 7 (35%) | 20 (38%) | |
| After thrombectomy | |||
| TICI ≥2b–3 | 14 (70%) | 43 (81%) | .34 |
| Lack of spontaneous hyperattenuation on CT | 11 (55%) | 31 (58%) | .79 |
| NIHSS at day 1 | .03 | ||
| ≤10 | 6 (30%) | 29 (55%) | |
| 10–20 | 9 (45%) | 21 (40%) | |
| >20 | 5 (25%) | 3 (6%) | |
| mRS ≤2 | 5 (26%) | 33 (65%) | .004 |