Baseline and outcome characteristics of patients with low NIHSS stroke and M1 thromboembolic occlusion that underwent mechanical thrombectomy
| Characteristic | Results |
|---|---|
| Age (mean±SD) | 72±14 |
| Male | 20 (48.7%) |
| Associated conditions | |
| Atrial fibrillation | 18 (43.9%) |
| Diabetes mellitus | 7 (17.1%) |
| Hypertension | 33 (80.5%) |
| Hypercholesterolaemia | 15 (36.6%) |
| Smoker | 6 (14.6%) |
| Suspected cause | |
| Cardiac embolism | 16 (39%) |
| Extracranial atherosclerosis | 11 (26.9%) |
| Intracranial atherosclerosis | 2 (4.9%) |
| Dissection | 2 (4.9%) |
| Unknown | 10 (24.3%) |
| NIHSS on admission | |
| 0 | 3 (7.3%) |
| 1 | 3 (7.3%) |
| 2 | 7 (17.1%) |
| 3 | 7 (17.1%) |
| 4 | 13 (31.7%) |
| 5 | 8 (19.5%) |
| Preoperative MRI | 28 (68.3%) |
| Preoperative CT imaging | 13 (31.7%) |
| ASPECTS score preoperative | 8.8 (6–10) |
| Side | |
| Left | 22 (53.6%) |
| Right | 19 (46.4%) |
| Clot length (mm) | 10 (4.6–23.1 mm) |
| Mean duration of procedure (min) | 119±3 (range 36–294) |
| Mean number of thrombectomy attempts | 1.8 |
| Time from stroke onset to recanalisation (min) (n=33) | 385±57 (235–727) |
| Postoperative ASPECTS (24 hours) | 8.1 (5–10) |
| Haemorrhage postoperative | 7 (2 symptomatic haemorrhage) |
| Collateral status | |
| 0 | 0 |
| 1 | 3 (7.3%) |
| 2 | 9 (21.9%) |
| 3 | 23 (56.1%) |
| 4 | 6 (14.6%) |
| TICI≥2b | 36 (87.8%) |
| TICI 3 | 26 (63.4%) |
| 90-day Mrs | |
| 0 | 20 (50%) |
| 1 | 7 (17.5%) |
| 2 | 3 (7.5%) |
| 3 | 3 (7.5%) |
| 4 | 3 (7.5%) |
| 5 | 1 (2.5%) |
| 6 | 3 (7.5%) |
| NA | 1 (2.5%) |
mRS, modified Rankin Scale; NA, not available; NIHSS, National Institutes of Health Stroke Scale; TICI, Thrombolysis in Cerebral Infarction.