Table 1.
Baseline characteristics.
| Variable | Patients, N = 20 (%)a |
|---|---|
| Age, years (mean ± SD) | 69.9 ± 15.5 |
| Women | 11 (55) |
| Caucasian | 19 (95) |
| Diabetes | 2 (10) |
| Hypertension | 13 (65) |
| Atrial fibrillation | 9 (45) |
| Hyperlipidemia | 5 (25) |
| Prior stroke | 0 (0) |
| mRS prior to stroke (mean ± SD) | 0.3 ± 0.7 |
| 0–2 | 19 (95) |
| 3–5 | 1 (5) |
| NIHSS at admission (mean ± SD) | 16.9 ± 8.7 |
| 0–15 | 8 (40) |
| ≥16 | 12 (60) |
| IV tPA | 8 (40) |
| ASPECTS (mean ± SD) | 9 ± 1.2 |
| 7 | 3 (15) |
| 8 | 4 (20) |
| 9 | 3 (15) |
| 10 | 10 (50) |
| Procedural anaesthesia | |
| MAC | 9 (45) |
| General anaesthesia | 11 (55) |
| MT technique | |
| Contact aspiration | 4 (20) |
| Contact aspiration + stentriever | 12 (60) |
| Stentriever only | 4 (20) |
| Attempts (mean ± SD) | 2.6 ± 1.9 |
| MT target vesselb | |
| ICA | 2 (9.1) |
| MCA | 16 (72.7) |
| BA | 2 (9.1) |
| PCA | 2 (9.1) |
| TICI | |
| 2a | 1 (5) |
| 2b–3 | 19 (95) |
| LKW to recanalisation (hours) | 8.9 ± 5.4 |
| Puncture to recanalisation (min) | 48.7 ± 45.8 |
| Time from MT to MRI (hours) | 9.6 ± 6.9 |
| mRS at discharge (mean ± SD) | 1.95 ± 2.2 |
| 0–2 | 14 (70) |
| 3–5 | 3 (15) |
| 6 (death) | 3 (15) |
| NIHSS at discharge (mean ± SD) | 3.94 ± 7.3 |
| 0–15 | 16 (80) |
| ≥16 | 1 (5) |
| CR† | 0.58 ± 0.22 |
| <0.55 | 18 (42.9) |
| ≥0.55 | 24 (57.1) |
IV tPA: intravenous tissue plasminogen activator; ASPECTS: Alberta score program early CT score; BA: basilar artery; CR: artery-to-pituitary stalk contrast ratio; ICA: internal carotid artery; LKW: last known well; MAC: monitored anaesthesia care; MCA: middle cerebral artery; MRI: magnetic resonance imaging; mRS: modified Rankin scale; MT: mechanical thrombectomy; NIHSS: National Institute of Health Stroke Scale; PCA: posterior cerebral artery; SD: standard deviation; TICI: thrombolysis in cerebral infarction recanalisation score.
aValues are presented as number and percentage (%) unless specified otherwise.
bTwo patients had bilateral target vessels that underwent MT (one patient bilateral PCAs, one patient bilateral MCAs), whereas only one contralateral artery was considered the reference vessel for all cases. Therefore, the total number of CR measurements is 42 (22 thrombectomy vessels + 20 reference vessels).