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Establishing causality between SARS-CoV-2 and stroke/bleeding requires a temporal relationship and plausible
Josef Finsterer1, Fulvio A Scorza2, Antonio-Carlos G Almeida3
1Neurology & Neurophysiology Center, Vienna, Austria.
Insights
SARS-CoV-2 infection can cause cerebrovascular events through various mechanisms like hypercoagulability and vasculopathy. Establishing a direct link is crucial for effective treatment and patient outcomes.
Area of Science:
- Neurology
- Infectious Diseases
- Cardiology
Background:
- Cerebrovascular events are a recognized complication of SARS-CoV-2.
- Potential mechanisms include hypercoagulability, vasculopathy, cardiac issues, and autonomic dysfunction.
Purpose of the Study:
- To explore the link between SARS-CoV-2 infection and cerebrovascular events.
- To emphasize the importance of establishing causality for treatment and prognosis.
Main Methods:
- Review of existing literature on SARS-CoV-2 and cerebrovascular complications.
- Analysis of case studies and clinical data.
- Emphasis on temporal relationship documentation.
Main Results:
- SARS-CoV-2 infection is associated with an increased risk of cerebrovascular events.
- Multiple pathophysiological pathways contribute to these events.
- Challenges exist in definitively proving causality.
Conclusions:
- A strong temporal association between SARS-CoV-2 infection and cerebrovascular events is key.
- Establishing causality informs therapeutic strategies and patient outcomes.
- Further research is needed to elucidate specific mechanisms.
Abstract:
Cerebrovascular events are increasingly recognised as a complication of SARS-CoV-2 infections. They can be due to hypercoagulability, vasculopathy, cardiac involvement in the infection, or autonomic dysfunction. However, establishing a causal relationship between cerebrovascular events and viral infection is not always easy and requires thorough investigation and documentation of a close temporal relationship between SARS-CoV-2 infection and the onset of cerebral impairment. Establishing a causal relationship between SARS-CoV-2 infection and cerebrovascular events is desirable as it can guide the therapeutic management and determine the outcome.
