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Outcome of a Real-World Cohort of Patients Subjected to Endovascular Treatment for Acute Ischemic Stroke

      Abstract

      Objectives

      Ischemic stroke is a leading cause of death and disability worldwide. For patients with large vessel occlusion stroke, endovascular treatment is now the most effective treatment. We aimed to assess the outcome of patients undergoing endovascular treatment for large vessel occlusion stroke in a real-world setting, comparing our results with data from randomized clinical trials, and recognizing the factors associated with prognosis.

      Materials and methods

      We retrospectively collected data on endovascular procedures performed in one comprehensive stroke center in consecutive patients presenting with large vessel occlusion stroke from January 2017 to January 2020. Data on baseline clinical, imaging, and treatment-related characteristics were recorded. Selection of patients and treatment approach was not standardized but followed current guidelines for ischemic stroke. Functional outcome was evaluated 3 months after endovascular treatment. Clinical, imaging and treatment-related variables associated to outcome were evaluated with univariate and multivariable analyses.

      Results

      Four hundred twelve patients were included in our study. Three-month functional independence was achieved in 50.5% of patients (50.3% in the anterior stroke and 52.1% in the posterior stroke subgroup). Successful arterial reperfusion was observed in 84.3% of patients. Age (odds ratio [OR] 0.41, 95% confidence interval [CI] 0.20–0.87, p = 0.020]), severe stroke at onset (OR 0.40, 95%CI 0.19–0.83), procedure related complications (OR 0.45, 95%CI 0.20–0.99), and good collateral circulation (OR 2.69, 95%CI 1.17–6.16) were associated with 3-month functional independence in multivariable model.

      Conclusions

      Our real-world outcome results are in line with data from large randomized clinical trials on endovascular treatment for large vessel occlusion stroke.

      Key Words

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