Efficacy and Safety of Intravenous Thrombolysis in Patients with Acute Ischemic Stroke and Pre–Existing Disability

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ID: 269860
2019
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Abstract
Little is known about intravenous thrombolysis (IVT) in acute ischemic stroke (AIS) patients with pre-existing disability. Disabled patients are often excluded from IVT treatment. Previous studies investigated the role of pre-existing disability on outcomes in AIS patients after IVT. However, no studies have been conducted to date to determine whether IVT may improve clinical outcomes in AIS patients with pre-existing disability. The aim of our study was to evaluate efficacy and safety of IVT in patients with pre-existing moderate and moderately severe disability (pre-stroke modified Rankin Scale score = 3 or 4) affected by AIS. This study was based on a retrospective analysis of a prospectively collected database of consecutive patients admitted to the Udine University Hospital with AIS from January 2015 to May 2018. The efficacy endpoints were the rate of favorable outcome and rate of major neurological improvement. The safety endpoints were the rate of mortality at three months, presence of intracranial hemorrhage (ICH), and presence of symptomatic intracranial hemorrhage (sICH). The study population included 110 AIS patients with pre-existing moderate and moderately severe disability, 36 of which received (IVT+) and 74 did not receive IVT (IVT−). AIS disabled patients treated with IVT had higher rates of favorable outcome (66.7% vs. 36.5%, p = 0.003) and major neurological improvement (39.4% vs. 17.4%, p = 0.01) compared to non-treated ones. Two in three disabled patients returned to their pre-stroke functional status when treated with IVT. Prevalence of three-month mortality, ICH, and sICH did not differ in the two groups. Disabled patients affected by AIS significantly improved after IVT. Moderate and moderately severe disability alone should not be considered, per se, as a contraindication to IVT treatment.
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merlino2019journalefficacy Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Giovanni Merlino;Elisa Corazza;Simone Lorenzut;Gian Luigi Gigli;Daniela Cargnelutti;Mariarosaria Valente;Merlino, Giovanni;Corazza, Elisa;Lorenzut, Simone;Gigli, Gian Luigi;Cargnelutti, Daniela;Valente, Mariarosaria;
Journal journal of clinical medicine
Year 2019
DOI
10.3390/jcm8030400
URL
https://doi.org/10.3390/jcm8030400
Keywords
outcomes acute ischemic stroke modified rankin scale intravenous thrombolysis pre-existing disability

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