Trends in the effectiveness of endovascular recanalization for acute stroke: is a change taking place?

Journal of Stroke and Cerebrovascular Diseases : the Official Journal of National Stroke Association
Beom Joon KimHee-Joon Bae

Abstract

Despite recent technical advances in endovascular recanalization, there is skepticism regarding its clinical effectiveness compared with intravenous thrombolysis for treating acute ischemic stroke. We aimed to delineate its effectiveness and safety and their change over time. Using a prospective, multicenter stroke registry database, we identified 872 patients with ischemic stroke who underwent recanalization therapy with intravenous thrombolysis alone (IVT; n = 533) or endovascular recanalization with or without intravenous thrombolysis (EVT; n = 339) between April 2008 and January 2012. All subjects had National Institute of Health Stroke Scale score of 10 or more and arrived at the hospital within 4.5 hours of onset. Propensity score was used to address baseline imbalances between treatment groups, but balance adjustment was not performed for subgroup analyses. The primary outcome was modified Rankin Scale score of 0-2 at discharge. The year-by-year effectiveness and safety of EVT and IVT were compared. Before 2010, the primary outcome was not associated with the recanalization method. However, in 2011, EVT increased the odds of having a primary outcome compared with IVT (adjusted odds ratio [OR], 1.87; 95% confidence interv...Continue Reading

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Citations

Jun 17, 2015·Pharmacology & Therapeutics·Antonio MorettiRoberto F Villa

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