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. 2023 Aug 9;2(1):e000407. doi: 10.1136/bmjmed-2022-000407

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© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Angiographic runs during thrombectomy procedures performed at Imperial College Healthcare Trust. mTICI=modified thrombolysis in cerebral infarction; MCA=middle cerebral artery; arrows=area with a lack of contrast flow. (A) Left M1 occlusion with some degree of anterograde perfusion=mTICI 1. (B) Left M2 proximal occlusion with less than 50% of the affected MCA territory being perfused=mTICI 2a. (C) Left M2 distal occlusion with more than 50% of the affected MCA territory being perfused=mTICI 2b. Examples of mTICI 0 and mTICI 3 are shown in figure 3