Using Clinical and Echocardiographic Characteristics to Characterize the Risk of Ischemic Stroke in Patients with COVID-19

Connor P. Oates, Solomon W. Bienstock, Michael Miller, Gennaro Giustino, Tatyana Danilov, Nina Kukar, Nikola Kocovic, Dylan Sperling, Ranbir Singh, Daniel Benhuri, Frans Beerkens, Anton Camaj, Stamatios Lerakis, Lori Croft, Laura K. Stein, Martin E. Goldman

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Background: COVID-19 has been associated with an increased incidence of ischemic stroke. The use echocardiography to characterize the risk of ischemic stroke in patients hospitalized with COVID-19 has not been explored. Methods: We conducted a retrospective study of 368 patients hospitalized between 3/1/2020 and 5/31/2020 who had laboratory-confirmed infection with SARS-CoV-2 and underwent transthoracic echocardiography during hospitalization. Patients were categorized according to the presence of ischemic stroke on cerebrovascular imaging following echocardiography. Ischemic stroke was identified in 49 patients (13.3%). We characterized the risk of ischemic stroke using a novel composite risk score of clinical and echocardiographic variables: age <55, systolic blood pressure >140 mmHg, anticoagulation prior to admission, left atrial dilation and left ventricular thrombus. Results: Patients with ischemic stroke had no difference in biomarkers of inflammation and hypercoagulability compared to those without ischemic stroke. Patients with ischemic stroke had significantly more left atrial dilation and left ventricular thrombus (48.3% vs 27.9%, p = 0.04; 4.2% vs 0.7%, p = 0.03). The unadjusted odds ratio of the composite novel COVID-19 Ischemic Stroke Risk Score for the likelihood of ischemic stroke was 4.1 (95% confidence interval 1.4-16.1). The AUC for the risk score was 0.70. Conclusions: The COVID-19 Ischemic Stroke Risk Score utilizes clinical and echocardiographic parameters to robustly estimate the risk of ischemic stroke in patients hospitalized with COVID-19 and supports the use of echocardiography to characterize the risk of ischemic stroke in patients hospitalized with COVID-19.

Original languageEnglish
Article number106217
JournalJournal of Stroke and Cerebrovascular Diseases
Volume31
Issue number2
DOIs
StatePublished - Feb 2022

Keywords

  • COVID-19
  • Echocardiography
  • Ischemic stroke
  • Risk score
  • Stroke prevention

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