Mechanical Thrombectomy 24 to 72 Hours after Large-Vessel Ischemic Stroke.
BACKGROUND Endovascular thrombectomy is an established treatment for acute ischemic stroke. Whether the benefit extends to patients with salvageable brain tissue in the infarct who present more than 24 hours after symptom onset or the time when they were last known to be well is uncertain. METHODS We conducted an ope...