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Characteristics and outcomes of cerebral venous thrombosis associated with COVID-19

Adrian Scutelnic1, Anita van de Munckhof2, Angel T Miraclin3

  • 1Department of Neurology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.

European Stroke Journal
|April 4, 2024
PubMed

Insights

Patients with coronavirus disease 2019 associated cerebral venous thrombosis (COVID-CVT) showed similar mortality and functional outcomes compared to pre-pandemic controls. This international study found no significant difference in outcomes for COVID-CVT patients.

Area of Science:

  • Neurology
  • Infectious Diseases
  • Vascular Medicine

Background:

  • Previous reports on COVID-19 associated cerebral venous thrombosis (COVID-CVT) suggested high mortality rates (up to 40%) based on small case series.
  • The clinical characteristics and outcomes of COVID-CVT require further investigation in larger, international cohorts.

Purpose of the Study:

  • To assess the clinical characteristics and outcomes of an international cohort of patients with COVID-CVT.
  • To compare the outcomes of COVID-CVT patients with a historical control group of cerebral venous thrombosis (CVT) patients.

Main Methods:

  • A registry study of consecutive COVID-CVT patients diagnosed between March 2020 and March 2023.
  • Utilized data from the International Cerebral Venous Thrombosis Consortium for comparison, including patients with CVT diagnosed between 2017 and 2018.
  • Outcome analyses were adjusted for age and sex.

Main Results:

  • Included 70 COVID-CVT patients from 23 hospitals in 15 countries and 206 controls.
  • COVID-CVT patients presented more frequently with altered mental state (44% vs 25%) and had a longer hospital stay (11 vs 8 days).
  • In-hospital mortality (7% vs 3%) and functional independence at 6 months (78% vs 87%) did not significantly differ between groups.

Conclusions:

  • Contrary to prior small studies, this international cohort found no significant difference in in-hospital mortality between COVID-CVT patients and pre-COVID-19 controls.
  • Functional outcomes at 6-month follow-up were also comparable between the COVID-CVT group and the historical control group.
Abstract

Keywords:
COVID-19Cerebral venous thrombosisstroke

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