Trial of Rescue Endovascular Treatment for Progressive Acute Mild Ischemic Stroke With Basilar Artery Occlusion With Extended Time Window

Neurointerventionist determine whether to proceed with interventional therapy after assessing the location and degree of occlusion, the tortuosity of the access vessel, and the presence of stenosis or occlusion in the proximal artery. In cases where there is no proximal stenosis or occlusion, mechanical thrombectomy is performed, and the specific thrombectomy strategy is tailored by the researcher based on the patient's condition. For lesions associated with proximal vascular stenosis or occlusion, it is necessary to navigate the catheter through the proximal stenosis or occlusion to access the intracranial occlusion. Researchers have the discretion to treat the stenotic or occluded vessels, which may include options such as no treatment, stent thrombectomy, thrombus aspiration, balloon angioplasty, stent replacement, intra-arterial thrombolysis or various combinations of these methods.