Abstract W P11: Factors Affecting Vascular Neurologists' Decisions to Pursue Endovascular Intervention of Acute Ischemic Stroke Patients

Background: Intra-arterial therapy (IAT) is an approach to promote recanalization in acute ischemic stroke (AIS) patients. While IAT continues to go through further evaluation in multiple phase III trials using new devices and focusing on time improvement, patients with LAO continue to be treated with IAT. Multiple clinical, radiographic and time factors go into vascular neurologists’ decisions whether to pursue IAT or not. We aimed to evaluate factors affecting determination of IAT for stroke amongst patients transferred to tertiary centers. Methods: A US multicenter retrospective cohort analysis was conducted on 313 consecutive transferred patients who met vessel criteria from 01/08-4/14. Collateral were measured by the collateral score (CS). ASPECTS decay was defined as a change from good (8-10) to poor (0-7) scores between center CT scans. IAT patients were compared with no IAT patients with regard to factors predictive of IAT. Results: Table 1 shows baseline characteristics of the two groups. Age was...