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Flow chart showing the included and excluded patients from the current study. CA, carotid artery; CCA, common carotid artery; ICA, internal carotid artery; ICAS, internal carotid artery stenosis; TIA, transient ischemic attack, iatrogenic stroke (5 cases after carotid endarterectomy, 1 case after coronary angiography). Of the 489 patients screened, only 121 patients met our inclusion and exclusion criteria.
