Details of thrombectomy procedure and clinical and safety outcomesa
| M2 Occlusion (N = 50) | M1 Occlusion (N = 249) | P Value | |
|---|---|---|---|
| Time from groin puncture to recanalization (min) (median) (IQR) | 29 (22–45) | 35 (25–52) | .41 |
| No. of passes with stent retriever (mean) | 1.4 ± 0.8 | 1.7 ± 1.0 | .07 |
| ≥3 Passes with stent retriever | 13% (5/38) | 23% (52/227) | .21 |
| mTICI 2b or 3 reperfusion | 85% (34/40) | 82% (193/235) | .82 |
| Rescue therapy | 6% (3/50) | 8% (19/249) | 1.000 |
| Complications | |||
| Device-related serious adverse events | 6% (3/50) | 4% (10/249) | .46 |
| Symptomatic ICH | 2% (1/50) | 2% (5/249) | 1.000 |
| Outcome at 90-day follow-up | |||
| mRS 0–1 | 50% (25/50) | 41% (100/243) | .27 |
| mRS 0–2 | 60% (30/50) | 56% (136/243) | .64 |
| Mortality | 12% (6/50) | 10% (25/249) | .62 |
Note:—mTICI indicates modified Thrombolysis in Cerebral Infarction; ICH, intracerebral hemorrhage; IQR, interquartile range.
↵a Categoric variables are given as percentages with n/N in parentheses, where n is the number of patients in whom the variable was present, and N is the total number of patients for whom that particular variable was reported.