Intra-arterial Methylprednisolone After Successful Endovascular Thrombectomy Anterior Circulation Large Vessel Occlusion

Patients will receive intra-arterial methylprednisolone sodium succinate 40mg immediately after the recanalization from thrombectomy in anterior circulation large vessel occlusion. Then, intravenous administration with methylprednisolone sodium succinate 2mg/kg in the next 3 days.

The placebo group patients will receive intra-arterial and intravenous sterile water for injection.