Patient Selection Using MR With Non-Perfusion Imaging for Endovascular Treatment Within 6 to 24 Hours

"Endovascular therapy, as an adjunct to standard stroke therapy, may be beneficial for a very select population of patients who present with an acute ischemic stroke and have a proven large, proximal occlusion on imaging.~Endovascular therapy includes any one or more of the following:~Intra-arterial thrombolytic therapy, aspiration, stent retrieval, or a combination of multiple mechanical devices.Remedial measures after failed thrombectomy are permitted by pharmacologic arterial thrombolysis or intravenous infusion of antiplatelet drugs, such as tirofiban or rt-PA"

best drug conservative therapy could be uesd in patients who with no indication of surgery