Characteristic | FPR (n=45) | MPR (n=47) | NER (n=90) | UPR (n=42) |
Age (years) | 66 (60–73), 45 | 62 (53–76), 47 | 66 (54–74), 90 | 65 (52–77), 42 |
Women | 53% (24/45) | 40% (19/47) | 39% (35/90) | 50% (21/42) |
Atrial fibrillation | 27% (12/45) | 15% (7/46) | 11% (10/90) | 10% (4/40) |
Hypertension | 51% (23/45) | 52% (24/46) | 51% (44/86) | 46% (19/41) |
Diabetes mellitus | 9% (4/45) | 11% (5/46) | 18% (16/90) | 24% (10/41) |
Myocardial infarction | 20% (9/45) | 11% (5/45) | 10% (9/88) | 10% (4/41) |
Peripheral artery disease | 9% (4/44) | 7% (3/45) | 7% (6/88) | 7% (3/41) |
Previous ischemic stroke | 22% (10/45) | 11% (5/46) | 21% (19/89) | 12% (5/41) |
Hyperlipidemia | 35% (15/43) | 13% (6/46) | 18% (16/87) | 15% (6/39) |
Antiplatelets agents | 36% (16/45) | 22% (10/46) | 29% (25/87) | 25% (10/40) |
Vitamin K antagonists | 11% (5/45) | 7% (3/46) | 8% (7/88) | 3% (1/39) |
Direct oral anticoagulants | 2% (1/45) | 7% (3/46) | 1% (1/87) | 3% (1/38) |
Baseline NIHSS | 18 (11–25), 44 | 14 (10–21), 47 | 18 (11–35), 89 | 12 (6–31), 41 |
Pre-stroke mRS | ||||
0–2 | 91% (41/45) | 93% (42/45) | 86% (76/88) | 90% (36/40) |
≥3 | 9% (4/45) | 7% (3/45) | 14% (12/88) | 10% (4/40) |
Level of obstruction | ||||
Vertebral artery alone | 2% (1/45) | 7% (3/45) | 6% (5/89) | 7% (3/41) |
Basilar artery alone* | 47% (21/45) | 51% (23/45) | 38% (34/89) | 37% (15/41) |
BA extending into PCA | 40% (18/45) | 33% (15/45) | 38% (34/89) | 41% (17/41) |
PCA | 11% (5/45) | 9% (4/45) | 18% (16/89) | 15% (6/41) |
Hyperdense artery sign | 62% (28/45) | 52% (23/44) | 64% (58/90) | 50% (20/40) |
pc-Collateral score | 7 (5–8), 45 | 7 (5–8), 46 | 7 (5–8), 87 | 6 (5–8), 41 |
pc-ASPECTS | 10 (9–10), 45 | 10 (9–10), 45 | 10 (9–10), 90 | 10 (9–10), 41 |
Vertebral artery dissection | 12% (5/43) | 13% (6/46) | 14% (12/88) | 25% (10/40) |
Onset eLVO to door† time (min) | 79 (42–164), 40 | 67 (13–148), 36 | 71 (25–179), 75 | 65 (0–121), 35 |
Symptom onset-door† time (min) | 175 (93–133) | 233 (146–386) | 184 (76–356) | 150 (74–339) |
Transfer from PSC | 44% (20/45) | 55% (26/47) | 38% (34/90) | 33% (14/42) |
IVT | 51% (23/45) | 40% (19/47) | 49% (44/90) | 48% (20/42) |
Door† to groin time (min) | 70 (51–102), 39 | 61 (37–90), 37 | 87 (55–124), 78 | 91 (60–137), 35 |
Procedure time (min) | 35 (26–50), 42 | 76 (49–99), 38 | 70 (51–105), 82 | 62 (40–94), 37 |
Door† to reperfusion time (min) | 93 (63–128), 41 | 107 (68–162), 42 | 157 (108–206), 82 | 150 (75–199), 37 |
General anesthesia | 56% (25/45) | 60% (28/47) | 54% (48/89) | 55% (22/40) |
First used device | ||||
Stent retriever | 60% (27/45) | 57% (27/47) | 68% (61/90) | 59% (23/39) |
Aspiration device | 40% (18/45) | 40% (19/47) | 27% (24/90) | 33% (13/39) |
Other‡ | 0% | 2% (1/47) | 6% (5/90) | 8% (3/39) |
Post eTICI | ||||
2C | 18% (8/45) | 26% (12/47) | 0 | 12% (4/34) |
3 | 82% (37/45) | 75% (35/47) | 0 | 56% (19/34) |
Median number of attempts | 1 | 3 (2–4), 47 | 2 (1–4), 90 | – |
Categorical variables are presented as percentage (n/N). Continuous variables are presented as median (IQR), N.
*In two patients there was no full obstruction.
†Door intervention center.
‡Balloon dilatation, stent.
BA, basilar artery; eLVO, estimated time of large vessel occlusion; eTICI, expanded thrombolysis in cerebral infarction; FPR, first pass reperfusion; IQR, interquartile range; IVT, intravenous alteplase treatment; MPR, multiple pass reperfusion; mRS, modified Rankin Scale; NER, no excellent reperfusion; NIHSS, National Institutes of Health Stroke Scale; pc, posterior circulation; PCA, posterior cerebral artery; pc-ASPECTS, posterior circulation Alberta Stroke Program Early CT Score; PSC, primary stroke center; UPR, unclassified reperfusion.