Results of the Use of Two Stentrievers Simultaneosly Compared With One as a Primary Treatment in Acute Ischemic Stroke

Inclusion Criteria: * A new disabling focal neurological deficit compatible with acute cerebral ischemia. * Any age. Informed consent obtained from the patient or representative. * NIHSS score ≥ 6. * Pre-existing functional clinical status less than or equal to 2 according to the mRS clinical scale. * Maximum time of 24 hours from symptom onset to arterial puncture. • TICI 0-1 in the diagnosed TICA (terminal internal carotid artery) , MCA (middle cerebral artery), and BA( basilar artery confirmed by angioCT and angiography). * ASPECTs score on baseline CT greater than or equal to 6. * In cases where it is indicated, prior intravenous fibrinolysis will be administered according to the protocols of each center. Exclusion Criteria: * Those described in the usual protocols for mechanical thrombectomy of each hospital. * Pre-existing functional clinical status greater than 2 according to the mRS clinical scale * Patients with tandem lesions of dissection or arteriosclerotic origin located in the extracranial internal carotid artery. * Initiation of treatment with a different technique than the one described. * Inability to use a proximal balloon guide catheter. * Use of aspiration catheter. * Intracranial atherosclerotic plaque as the cause of occlusion. * Advanced or terminal disease with a life expectancy of less than 6 months. * Patient who is participating in another study that may affect this one. * ASPECTS score less than or equal to 6 on baseline CT. * Evidence of significant hemorrhage or mass effect with midline shift on baseline CT. * Patients with occlusions in multiple vascular territories. * Evidence of intracranial tumor (except for small meningiomas)