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BMC Neurol ; 21(1): 43, 2021 Jan 30.
Article in English | MEDLINE | ID: covidwho-1054807

ABSTRACT

BACKGROUND AND PURPOSE: Coronavirus disease 2019 (COVID-19) is associated with a small but clinically significant risk of stroke, the cause of which is frequently cryptogenic. In a large multinational cohort of consecutive COVID-19 patients with stroke, we evaluated clinical predictors of cryptogenic stroke, short-term functional outcomes and in-hospital mortality among patients according to stroke etiology. METHODS: We explored clinical characteristics and short-term outcomes of consecutively evaluated patients 18 years of age or older with acute ischemic stroke (AIS) and laboratory-confirmed COVID-19 from 31 hospitals in 4 countries (3/1/20-6/16/20). RESULTS: Of the 14.483 laboratory-confirmed patients with COVID-19, 156 (1.1%) were diagnosed with AIS. Sixty-one (39.4%) were female, 84 (67.2%) white, and 88 (61.5%) were between 60 and 79 years of age. The most frequently reported etiology of AIS was cryptogenic (55/129, 42.6%), which was associated with significantly higher white blood cell count, c-reactive protein, and D-dimer levels than non-cryptogenic AIS patients (p

Subject(s)
COVID-19/complications , Hospital Mortality , Ischemic Stroke/virology , Registries , Adult , Aged , Aged, 80 and over , Brain Ischemia , COVID-19/blood , COVID-19/diagnostic imaging , COVID-19/mortality , Cohort Studies , Computed Tomography Angiography , Egypt/epidemiology , Female , Fibrin Fibrinogen Degradation Products/metabolism , Humans , Ischemic Stroke/blood , Ischemic Stroke/diagnostic imaging , Ischemic Stroke/mortality , Magnetic Resonance Imaging , Male , Middle Aged , Retrospective Studies , Risk Factors , SARS-CoV-2 , Spain/epidemiology , Stroke , United States/epidemiology
2.
Int J Stroke ; 16(4): 437-447, 2021 06.
Article in English | MEDLINE | ID: covidwho-806135

ABSTRACT

BACKGROUND: Severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) has been associated with a significant risk of thrombotic events in critically ill patients. AIM: To summarize the findings of a multinational observational cohort of patients with SARS-CoV-2 and cerebrovascular disease. METHODS: Retrospective observational cohort of consecutive adults evaluated in the emergency department and/or admitted with coronavirus disease 2019 (COVID-19) across 31 hospitals in four countries (1 February 2020-16 June 2020). The primary outcome was the incidence rate of cerebrovascular events, inclusive of acute ischemic stroke, intracranial hemorrhages (ICH), and cortical vein and/or sinus thrombosis (CVST). RESULTS: Of the 14,483 patients with laboratory-confirmed SARS-CoV-2, 172 were diagnosed with an acute cerebrovascular event (1.13% of cohort; 1130/100,000 patients, 95%CI 970-1320/100,000), 68/171 (40.5%) were female and 96/172 (55.8%) were between the ages 60 and 79 years. Of these, 156 had acute ischemic stroke (1.08%; 1080/100,000 95%CI 920-1260/100,000), 28 ICH (0.19%; 190/100,000 95%CI 130-280/100,000), and 3 with CVST (0.02%; 20/100,000, 95%CI 4-60/100,000). The in-hospital mortality rate for SARS-CoV-2-associated stroke was 38.1% and for ICH 58.3%. After adjusting for clustering by site and age, baseline stroke severity, and all predictors of in-hospital mortality found in univariate regression (p < 0.1: male sex, tobacco use, arrival by emergency medical services, lower platelet and lymphocyte counts, and intracranial occlusion), cryptogenic stroke mechanism (aOR 5.01, 95%CI 1.63-15.44, p < 0.01), older age (aOR 1.78, 95%CI 1.07-2.94, p = 0.03), and lower lymphocyte count on admission (aOR 0.58, 95%CI 0.34-0.98, p = 0.04) were the only independent predictors of mortality among patients with stroke and COVID-19. CONCLUSIONS: COVID-19 is associated with a small but significant risk of clinically relevant cerebrovascular events, particularly ischemic stroke. The mortality rate is high for COVID-19-associated cerebrovascular complications; therefore, aggressive monitoring and early intervention should be pursued to mitigate poor outcomes.


Subject(s)
COVID-19/epidemiology , Cerebrovascular Disorders/epidemiology , Adult , Age Factors , Aged , Aged, 80 and over , COVID-19/complications , COVID-19/therapy , Cerebrovascular Disorders/etiology , Cerebrovascular Disorders/therapy , Cohort Studies , Female , Hospital Mortality , Humans , Intracranial Hemorrhages/epidemiology , Ischemic Stroke/epidemiology , Ischemic Stroke/etiology , Ischemic Stroke/therapy , Lymphocyte Count , Male , Middle Aged , Prevalence , Registries , Retrospective Studies , Risk Factors , Sex Factors , Thrombosis/etiology , Tobacco Use , Young Adult
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