Cerebral Blood Volume Index Is Associated with Futile Recanalization After Endovascular Thrombectomy in Anterior Circulation Large Vessel Occlusion Stroke

EVT＝ Endovascular Thrombectomy; LVO＝ Large Vessel Occlusion; AIS＝ Acute Ischemic Stroke; HIR＝Hypoperfusion Intensity Ratio; ROC＝ Receiver Operating Characteristic; AUC＝ Area Under the Curve; HT＝ Hemorrhagic Transformation; Tmax＝ Time-to-Maximum of the Tissue Residue Function; IVT＝ Intravenous thrombolysis; mTICI＝ modified Thrombolysis in Cerebral Infarction.