Table 3.
Methods, time course, and outcome of recanalization patients
| Group I | Group II | p value | |
|---|---|---|---|
| Treatment | |||
| Merci retrieval system | 5 (21.7) | 0 | <0.05 |
| Penumbra reperfusion system | 18 (78.3) | 22 (75.9) | n.s. |
| Stent retriever | 0 | 21 (72.4) | <0.05 |
| Recanalization rate | |||
| TICI 0 | 3 (13.0) | 3 (10.3) | n.s. |
| TICI 1 | 0 | 0 | n.s. |
| TICI 2a | 6 (26.1) | 3 (10.3) | n.s. |
| TICI 2b | 10 (43.5) | 11 (37.9) | n.s. |
| TICI 3 | 4 (17.4) | 12 (41.4) | n.s. |
| TICI 2b/3 | 14 (60.9) | 23 (79.3) | n.s. |
| Complication (%) | |||
| Symptomatic hemorrhage | 0 | 1 | n.s. |
| Asymptomatic HI | 11 | 7 | n.s. |
| Asymptomatic SAH | 0 | 1 | n.s. |
| others | 1: puncture site occlusion | 1: perforation by microguidewire | |
| Time course minutes (mean±SD, min) | |||
| door-to-needle (tPA) | 91±36 | 62±13 | <0.05 |
| picuture-to-puncture | 76±42 | 47±16 | <0.05 |
| puncture-to-recanazliation | 113±67 | 69±29 | <0.05 |
| onset-to-recanalization | 322±90 | 265±145 | <0.05 |
| Functional outcome (%) | |||
| mRS 0–2 after 90 days | 5 (21.7) | 13 (44.8) | n.s. |
| mRS 4–6 after 90 days | 14 (60.9) | 14 (48.3) | n.s. |
HI: hemorrhagic infarction, mRS: modified Rankin Scale, n.s.: not significant SAH: subarachnoid hemorrhage, SD: standard deviation, tPA: tissue-type plasminogen activator, TICI: thrombolysis in cerebral infarction.