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Table 2 Radiologic and clinical outcomes after endovascular treatment

From: Immediate effects of first-line thrombectomy devices for intracranial atherosclerosis-related occlusion: stent retriever versus contact aspiration

  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
  1. SAH Subarachnoid hemorrhage
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