Clinical and procedural characteristics associated with postthrombectomy symptomatic hemorrhagea
| Variable | Postprocedural Symptomatic Hemorrhage (n = 16) | Asymptomatic/No Hemorrhage (n = 303) | P Value |
|---|---|---|---|
| NIHSS | 17.88 (6.48) | 17.70 (5.55) | .905 |
| tPA | 9 (56%) | 145 (48%) | .521 |
| Occlusion site | |||
| ICA | 3 (19%) | 67 (22%) | .927 |
| M1 | 11 (69%) | 194 (64%) | |
| M2 | 2 (13%) | 42 (14%) | |
| mTICI scale | |||
| mTICI 0 | 0 (0%) | 25 (8%) | .425 |
| mTICI 1 | 1 (6%) | 11 (4%) | |
| mTICI 2a | 3 (19%) | 25 (8%) | |
| mTICI 2b | 4 (25%) | 71 (23%) | |
| mTICI 2c | 1 (6%) | 56 (18%) | |
| mTICI 3 | 7 (44%) | 115 (38%) | |
| OTE (min) | 308.06 (87.68) | 361.85 (258.76) | .408 |
| Groin puncture to procedure end (min) | 64.45 (35.01) | 58.39 (35.97) | .512 |
| Procedural sedation | |||
| Moderate sedation | 9 (56%) | 166 (55%) | .909 |
| General anesthesia | 7 (44%) | 137 (45%) | |
| No. thrombectomy passes | |||
| 1 Pass | 4 (25%) | 109 (36%) | .019 |
| 2 Passes | 2 (12%) | 104 (34%) | |
| ≥3 Passes | 10 (63%) | 90 (30%) | |
| Procedure time | |||
| <30 min | 1 (6%) | 73 (24%) | .099 |
| ≥30 min | 15 (94%) | 230 (76%) | |
| mRS at 90 days | |||
| mRS 0–2 (good) | 0 (0%) | 129 (43%) | .001 |
| mRS 3–6 (poor) | 16 (100%) | 174 (57%) | |
| Death | 10 (63%) | 59 (19%) | <.001 |
↵a Continuous variables are expressed as mean (±standard error or SD). Categoric binary variables are expressed as No. (%). P < .05 is considered statistically significant.