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. 2023 Apr 4;20(3):679–692. doi: 10.1007/s13311-023-01367-3

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© The American Society for Experimental Neurotherapeutics, Inc. 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

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Fig. 1 — Recanalization assessment on digital subtraction angiography using the expanded Thrombolysis in Cerebral Infarction (eTICI) score. The images show lateral intracranial angiograms after intra-arterial contrast injection into the internal carotid artery. eTICI 0—no vessels in the middle cerebral artery territory are opacified. eTICI 1—only very limited opacification of the proximal middle cerebral artery, with no filling of any distal branches is seen. eTICI 2a—normal vascular opacification in < 50% of the middle cerebral artery territory. eTICI 2b—normal vascular opacification in 50–90% of the middle cerebral artery territory. eTICI 2c—normal vascular opacification in 90–99% of the middle cerebral artery territory. eTICI 3—normal vascular opacification in the complete middle cerebral artery territory (100%)