Clinical Research Directory

Inclusion Criteria: * Acute anterior circulation ischemic stroke (terminal portion of the internal carotid artery, middle cerebral artery), with indication for radiological mechanical thrombectomy assessed by the neurology / neuroradiology team * Over 18 years of age * Benefiting from an affiliation to the French Social Security system * Patient or familly informed consent. In case of patient incapacity and no family present, and due to the emergency of the procedure, the patient may be included on the sole decision of the investigator (emergency procedure with subsequent differed consent). Exclusion Criteria: * Altered vigilance defined by score ≥ 2 at item 1a "level of consciousness" of the NIHSS score * Altered previous autonomy, defined by a modified Rankin score (mRS)\> 1 * Acute ischemic stroke of posterior circulation or anterior cerebral artery * Associated brain haemorrhage * Pregnant or nursing women * Patient under law protection * Stroke complicating another acute illness or postoperative stroke.