Related Experiment Video
Updated: Nov 23, 2025

Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients
Published on: December 16, 2022
COVID-19: patients with stroke or risk of stroke
Hans-Christoph Diener1, Peter Berlit2, Jaime Masjuan3
1Institute of Medical Informatics, Biometry and Epidemiology (IMIBE) Faculty of Medicine, University Duisburg-Essen, Hufelandstraße 55, Essen, 45147, Germany.
Insights
COVID-19 infection can cause severe strokes in 0.5-2% of patients, often due to blocked arteries from blood clotting disorders. Stroke unit admissions temporarily decreased during the pandemic.
Area of Science:
- Neurology
- Infectious Diseases
- Cardiovascular Medicine
Background:
- COVID-19 infection is associated with an increased risk of cerebrovascular events, specifically stroke.
- A significant percentage of COVID-19 patients experience severe strokes with poor outcomes.
- Coagulation disorders induced by SARS-CoV-2 infection are a primary cause of large artery occlusion leading to stroke.
Purpose of the Study:
- To investigate the incidence and characteristics of stroke in COVID-19 patients.
- To understand the underlying mechanisms of stroke in the context of COVID-19.
- To analyze the impact of the pandemic on stroke care and patient admissions.
Main Methods:
- Retrospective analysis of stroke patient data during the COVID-19 pandemic.
- Review of clinical records to identify stroke type, severity, and etiological factors.
- Comparison of stroke admission rates before and during the pandemic.
Main Results:
- 0.5-2% of COVID-19 patients suffered stroke, predominantly severe cases with unfavorable prognosis.
- Large artery occlusion was common, linked to COVID-19-associated hypercoagulability.
- A notable temporary reduction in stroke unit admissions was observed during the pandemic.
Conclusions:
- COVID-19 poses a significant risk for severe ischemic stroke, primarily due to thrombotic events.
- The pandemic disrupted normal stroke care pathways, leading to decreased hospital admissions.
- Further research is needed to optimize stroke management strategies for COVID-19 patients.
Abstract:
In the context of COVID-19 infection, 0.5-2% of affected patients will suffer a stroke. The strokes are usually severe with an unfavourable prognosis. Most patients suffer from occlusion of the large brain-supplying arteries caused by the COVID-19 induced coagulation disorders. In the context of COVID-19 infection, there has been a dramatic temporary decrease in the number of stroke patients treated in stroke units.
Related Concept Videos
Atherosclerosis IV: Nursing Management
Regulation of Stroke Volume
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
Ischemic Heart Disease: Overview
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and...
Atherosclerosis III: Management
Coronary Artery Disease IV: Preventive Measures
Acute Coronary Syndrome IV: Interprofessional Care

