Endovascular Treatment for Acute Basilar Artery Occlusion

Inclusion Criteria

• •1. Symptoms and signs compatible with ischemia in the basilar artery territory；
• •2. Basilar artery occlusion confirmed by CTA/MRA/DSA；
• •3. Age of 18 years or older；
• •4. Time from stroke onset to randomization within 12 hours of estimated time of basilar artery occlusion (defined as the sudden onset of stroke symptoms consistent with acute occlusion of the basilar artery (e.g. not considering any previous minor prodromal symptoms) as adjudicated by two local experienced neurologists). If symptoms of sudden deterioration are not witnessed (e.g. wake-up or unwitnessed strokes) the time that the patient was last known to be without any major neurological deficits (such as moderate or severe weakness, stupor, coma) will be used as the time of stroke onset.
• •5. Written informed consent;