Lack of improvement following endovascular therapy in patients with acute ischemic stroke
2017
Background: Recent randomized trials have consistently demonstrated a clinical benefit of endovascular therapy (ET) over best medical therapy (including intravenous (IV) thrombolysis in eligible patients) or IV thrombolysis only in selected patients with acute ischemic stroke (AIS) due to proximal occlusion in the carotid territory. Previous study demonstrates that lack of improvement (LOI) at 24 hours is an independent predictor of poor outcome and death at 3 months in patients with AIS treated with IV alteplase. However, LOI at 24 hours following ET has not been studied systematically. The purpose of this study is to identify predictors of LOI at 24 hours in patients with AIS after ET as well as the relationship between LOI and unfavorable outcome at 3 months. Methods: A total of 98 consecutive patients with AIS treated with ET in two separate stroke centers from 2010 to 2014 were retrospectively reviewed. Data on demographics, preexisting vascular risk factors, occlusion site, pre- and post-treatment m...
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