Table 1.
Patient characteristics
| Variable | Study population n = 51 |
|
|---|---|---|
| Age, years, median (IQR) | 78 (69–83) | |
| Female sex, no. (%) | 34 (66.7) | |
| Cerebrovascular risk factors, no. (%) | ||
| Arterial hypertension | 45 (88.2) | |
| Diabetes mellitus | 10 (19.6) | |
| Hyperlipidemia | 16 (31.4) | |
| Smoker status | ||
| Current | 6 (11.8) | |
| Former | 8 (15.7) | |
| Never | 37 (72.5) | |
| Atrial fibrillation | 34 (66.7) | |
| Baseline drug treatment, no. (%) | ||
| Antihypertensive drugs | 45 (88.2) | |
| Antithrombotic drugs | 13 (25.2) | |
| Anticoagulation | 20 (39.2) | |
| Clinical and radiological assessment at hospital admission | ||
| Preprocedural blood pressure (mm Hg), median (IQR) | ||
| Systolic | 161 (150–178) | |
| Diastolic | 89 (75–99) | |
| Heart rate, bpm, median (IQR) | 80 (71–96) | |
| NIHSS, median (IQR) | 13 (8–17) | |
| ASPECTS, median (IQR) | 9 (8–9) | |
| Unknown time of symptom onset, no. (%) | 17 (33.3) | |
| Acute stroke treatment | ||
| Treatment with intravenous alteplase, no. (%) | 17 (33.3) | |
| Endovascular thrombectomy | ||
| Occlusion location on invasive angiography, no. (%)a | ||
| Intracranial ICA | 15 (29.4) | |
| ICA‑T | 7 (13.7) | |
| MCA | ||
| First segment, M1 | 19 (37.3) | |
| Second segment, M2 | 17 (33.3) | |
| Right-hemispheric stroke | 19 (37.3) | |
| Collateral status on invasive angiographic series, median (IQR) | 2 (0–3) | |
| Procedural measures of EVT | ||
| Stroke onset-to-puncture time, minutes, median (IQR) | 255 (181–353) | |
| Imaging-to-groin puncture time, minutes, median (IQR) | 45 (32–57) | |
| Groin access-to-first device deployment time, minutes, median (IQR) | 40 (32–49) | |
| Number of thrombectomy passages, median (IQR) | 2 (1–4) | |
| Final eTICI score, no. (%) | 0 | 2 (3.9) |
| 1 | 1 (2.0) | |
| 2a (0–49%) | 7 (13.7) | |
| 2b50 (50–66%) | 10 (19.6) | |
| 2b67 (67–89%) | 15 (29.4) | |
| 2c (90–99%) | 5 (9.8) | |
| 3 (100%) | 11 (21.6) | |
| Successful recanalization eTICI ≥ 2b50, no. (%) | 41 (80.4) | |
| Stroke onset-to-final recanalization time, minutes, median (IQR) | 336 (274–424) | |
| Stroke onset-to-ischemic sampling time, minutes, median (IQR) | 274 (205–369) | |
| Stroke onset-to-systemic sampling, minutes, median (IQR) | 360 (310–458) | |
| Outcome | ||
| ASPECTS at 24–48 h after EVT, median (IQR) | 8 (6–9) | |
| Intracranial hemorrhage, no. (%) | 8 (15.7) | |
| NIHSS at 48 h after EVT, median (IQR) | 9 (4–16) | |
| Modified Rankin Scale score at discharge, median (IQR) | 3 (1–4) | |
| Modified Rankin Scale score of 0–2 at discharge, no. (%) | 20 (39.2) | |
| In house mortality, no. (%) | 7 (13.7) | |
Data are presented as median (interquartile range) for continuous variables or as number (percentages) for categorical variables
ASPECTS Alberta Stroke Program Early CT Score, bpm beats per minute, eTICI extended thrombolysis in cerebral infarction scale, EVT endovascular thrombectomy, ICA internal carotid artery, IQR interquartile range, MCA M1/M2 M1 or proximal M2 segment of the middle cerebral artery, mmHg millimeters of mercury, NIHSS National Institutes of Health Stroke Scale
aIncluding multiple occlusion locations