Abstract WP6: Predictors of Acute Neurological Worsening in Ischemic Stroke After Endovascular Thrombectomy

2018 
Background: EVT is effective in AIS with LVO. Successful reperfusion is an integral factor that correlates strongly with good outcome. However, radiographic reperfusion does not always translate into good clinical outcomes. Reasons for poor outcome are thought to be multiple, such as progression of the stroke, and procedural complications - hemorrhagic conversion, vessel dissection, distal emboli, re-occlusion. Data on patients doing poorly in acute phase after EVT is limited. Objective: We studied the predictors of neurological worsening after EVT. Methods: Retrospective cohort from a single center. AIS patients with LVO in anterior/posterior circulation presented between December 2014 and May 2017 and received EVT. Primary outcome was 1) neurological worsening as change in NIHSS >4 from baseline after EVT in first 24 hours. 2) no improvement in NIHSS post EVT. Univariate and multivariate analysis evaluated clinical and radiographic variables independently correlating with neurological worsening after EV...
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