Objective To explore the clinical characteristics of acute ischemic stroke in hospital and therapeutic effect of intra-arterial treatment with solitaire stent retrieval. Method The clinical data of 12 patients with acute ischemic stroke treated in hospital were analyzed retrospectively. The vessel occlusions of 12 cases occurred in the middle cerebral artery. Among them,1 case was associated with ipsilateral internal carotid artery occlusion,1 case was associated ipsilateral internal carotid artery dissecti...