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Stentriever thrombectomy failure in patients with acute ischemic stroke caused by anterior circulation large artery occlusion is not a rare event. The purpose of this study was to investigate whether other procedures (tirofiban, permanent stenting) are able to recanalize the occluded vessel and determine a better outcome without increasing mortality and intracranial hemorrhage rates.

Among 513 patients consecutively admitted with anterior circulation stroke, 109 underwent stentriever thrombectomy. Modified Thrombolysis in Cerebral Ischemia (mTICI) 2b-3 recanalization was achieved in 60 patients (55.0%, group 1). Only 3 of 19 patients (group 2) obtained additional recanalization with intra-arterial infusion of tirofiban. The remaining 46 either underwent permanent stenting (n = 23, group 3) or were left nonrecanalized (n = 23, group 4). The rate of mTICI 2b-3 and clinical outcomes …