Table 2

Safety and efficacy data comparing patients with basilar artery occlusion and patients with large vessel occlusion in the anterior circulation

MT of BAO (n=165)MT of ACLVO (n=1574)P value
Efficacy
 mTICI 3102/165 (61.8%)706/1571 (44.9%)<0.001
 mTICI ≥2b149/165 (90.3%)1299/1571 (82.7%)0.011
 Time from groin puncture to recanalization (min)45 (30–81), N=15347 (30–75), N=14710.824
 General anesthesia142/161 (88.2%)792/1442 (54.9%)<0.001
 Additional intra-arterial thrombolytic agents18/160 (11.3%)112/1443 (7.8%)0.127
 Maneuver count1 (IQR 1–2), N=1012 (1–3), N=11060.002
 Intracranial stenting28/165 (17.0%)36/1572 (2.3%)<0.001
 Extracranial stenting13/165 (7.9%)182/1572 (11.6%)0.194
Safety
 sICH ECASS II definition8/165 (4.8%)98/1562 (6.3%)0.608
 Systemic bleeding1/39 (2.6%)21/637 (3.3%)1.000
 Craniectomy4/161 (2.5%)51/1448 (3.5%)0.649
 Any interventional complication18/165 (10.9%)198/1572 (12.6%)0.620
 Complications

  • Two vasospasms

  • Five dissections

  • Three perforations

  • Two emboli to new territory

  • Six other

  • 51 vasospasms

  • 37 dissections

  • 21 perforations

  • 59 emboli to new territory

  • 32 other

  • ACLVO, anterior circulation large vessel occlusion; BAO, basilar artery occlusion; MT, mechanical thrombectomy; mTICI, modified Thrombolysis in Cerebral Infarction; sICH, symptomatic intracranial hemorrhage according to the European Cooperative Acute Stroke Study II definition.Difference in numbers of observations and total numbers of patients in each group due to missing data items.