Table 3.
Retrieval passes and procedure time analysis per subgroup
| Total number of retrieval passes (per patient) | Mean procedure time (mean±SD) | |
|---|---|---|
| All patients (n=43) | 92 (2.1) | 52.5±28.9 |
| Clot classification | P=0.45 | P=0.25 |
| RBC rich (n=6) | 17 (2.8) | 64.0±22.1 |
| Fibrin rich (n=21) | 44 (2.1) | 44.7±22.3 |
| Mixed (n=16) | 31 (1.9) | 53.4±28.9 |
| Stroke etiology | P=0.25 | P=0.58 |
| CE (n=25) | 56 (2.2) | 49.0±30.5 |
| LAA (n=6) | 9 (1.5) | 55.5±18.0 |
| Other etiology (n=5) | 7 (1.4) | 47.6±27.9 |
| Undetermined etiology (n=7) | 20 (2.9) | 65.9±32.2 |
| Occlusion locations | P=0.31 | P=0.41 |
| ICA terminus (n=10) | 23 (2.3) | 62.8±29.7 |
| M1 (n=24) | 57 (2.4) | 52.9±29.9 |
| M2 (n=6) | 9 (1.5) | 39.7±26.7 |
| Basilar (n=3) | 3 (1) | 40.7±14.0 |
| Final reperfusion | P=0.18 | P=0.94 |
| TICI <2b (n=2) | 7 (3.5) | 54.0±38.2 |
| TICI 2b-3 (n=41) | 85 (2.1) | 52.4±28.9 |
n: Sample size, SD: Standard deviation, RBC: Red blood cell, CE: Cardioembolic, LAA: Large artery atherosclerosis, ICA: Internal carotid artery, TICI: Thrombolysis in cerebral infarction