Thrombolysis in cerebral infraction (TICI) nach Higashida et al.:
Grade 0: no perfusion
Grade 1: penetration with minimal perfusion
Grade 2: partial perfusion
Grade 2A: only partial filling (less than two-thirds) of the entire vascular territory is visualized
Grade 2B: complete filling of all of the expected vascular territory is visualized but the filling is slower than normal
Grade 3: complete perfusion