Endovascular treatment vs. best medical management for late window ischemic stroke patients with large vessel occlusion.

BackgroundTo compare the benefit of endovascular treatment(EVT) in acute ischemic stroke(AIS) patients with large vessel occlusion(LVO) presenting > 6 h from last known well outside a clinical trial setting to best medical management and to EVT in a randomized trial setting.MethodsData from a retrospective multicenter cohort study (ESCAPE-LATE) of AIS-LVO patients treated with EVT beyond 6 hours from last known well at former ESCAPE trial sites …