Table 2 Radiologic and clinical outcomes after endovascular treatment
|  | Contact aspiration (n = 62) | Stent retriever (n = 49) | P |
|---|---|---|---|
Immediate effects following first-line thrombectomy | |||
 Successful reperfusion after first attempt of thrombectomy | 11 (17.7) | 14 (28.6) | 0.260 |
 Successful reperfusion after first-line thrombectomy | 27 (43.5) | 38 (77.6) | 0.001 |
 Immediate side effect by first-line thrombectomy | |||
  Vasospasm | 0 | 4 (8.2) | 0.035 |
  Iatrogenic dissection or rupture | 18 (29.0) | 4 (8.2) | 0.012 |
  New embolism in other vessels | 2 (3.2) | 3 (6.1) | 0.653 |
Rescue treatments after first-line thrombectomy | |||
 Switching to the other device | 37 (59.7) | 6 (12.2) | < 0.001 |
 Tirofiban infusion | 29 (46.8) | 23 (46.9) | > 0.999 |
 Balloon angioplasty | 7 (11.3) | 5 (10.2) | > 0.999 |
 Permanent intracranial stenting | 6 (9.7) | 6 (12.2) | 0.901 |
Final endovascular treatment results | |||
 Final successful reperfusion | 48 (77.4) | 43 (87.8) | 0.247 |
 Total number of endovascular techniques | 2 (2–3) | 2 (1–2) | 0.003 |
 Puncture to final angiography time, min | 76 (48–116) | 63 (45–92) | 0.151 |
Imaging and clinical outcomes after endovascular treatment | |||
Hemorrhagic complication | |||
 Any intracerebral hemorrhagic transformation | 16 (25.8) | 10 (20.4) | 0.659 |
 Parenchymal hemorrhage, type 2 | 2 (3.2) | 4 (8.2) | 0.403 |
 SAH, grade 3 or 4 | 0 | 2 (4.1) | 0.193 |
Good outcome at 3 months | 23 (37.1) | 22 (44.9) | 0.524 |