Table 1.
Baseline characteristics of patients with intracranial atherosclerotic stenosis (ICAS)-related occlusions and endovascular treatments
| Contact aspiration (n = 62) |
Stent retriever (n = 49) |
P | |
|---|---|---|---|
| Demographics | |||
| Age, years | 66.3 ± 11.7 | 63.9 ± 15.2 | 0.348 |
| Sex, men | 39 (62.9) | 31 (63.3) | > 0.999 |
| Risk factors | |||
| Hypertension | 38 (61.3) | 33 (67.3) | 0.645 |
| Diabetes mellitus | 20 (32.3) | 14 (28.6) | 0.833 |
| Dyslipidemia | 23 (37.1) | 12 (24.5) | 0.225 |
| Atrial fibrillation | 14 (22.6) | 10 (20.4) | 0.965 |
| Smoker | 26 (41.9) | 13 (25.5) | 0.103 |
| Medications prior admission | |||
| Antiplatelets | 11 (17.7) | 7 (14.3) | 0.817 |
| Anticoagulants | 2 (3.2) | 4 (8.2) | 0.403 |
| Initial occlusion site | 0.078 | ||
| Internal carotid artery | 12 (19.4) | 2 (4.1) | |
| Middle cerebral artery, M1 | 36 (58.1) | 36 (73.5) | |
| Middle cerebral artery, M2 | 2 (3.2) | 1 (2.0) | |
| Vertebral artery | 2 (3.2) | 4 (8.2) | |
| Basilar artery | 10 (16.1) | 6 (12.2) | |
| Initial NIHSS score | 16.5 (11–22) | 15 (12–19) | 0.340 |
| ASPECTS scorea | 7.5 (5–9) | 7 (6–8) | 0.625 |
| Laboratory findings | |||
| Hemoglobin, g/dL | 14.0 ± 1.8 | 13.9 ± 2.0 | 0.764 |
| White blood cells, ×109/L | 9.6 ± 3.6 | 11.5 ± 5.6 | 0.047 |
| Platelets, ×109/L | 240 ± 77 | 239 ± 59 | 0.928 |
| Glucose, mmol/L | 8.2 ± 3.3 | 8.4 ± 3.3 | 0.813 |
| Intravenous tPA | 27 (43.5) | 23 (46.9) | 0.869 |
| Use of balloon guide catheter | 36 (58.1) | 26 (53.1) | 0.738 |
| Onset to door time, min | 208 (111–387) | 172 (105–560) | 0.801 |
| Door to puncture time, min | 97.5 (77–127) | 111 (92–138) | 0.106 |
| First-line thrombectomy device | |||
| Solitaire | 41 (83.7) | ||
| Trevo | 8 (16.3) | ||
| Penumbra, 1st generation | 45 (72.6) | ||
| Penumbra, 2nd generation | 17 (27.4) | ||
ICAS Intracranial atherosclerotic stenosis; NIHSS National Institutes of Health Stroke Scale; ASPECTS Alberta Stroke Program Early CT Score; tPA tissue plasminogen activator
aBaseline ASPECTS on quality imaging was evaluated in 81 patients (91.0% patients with anterior circulation infarction)