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Post-COVID Syndrome: An Insight on Its Pathogenesis
Helena C Maltezou1, Androula Pavli2, Athanasios Tsakris3
1Directorate of Research, Studies and Documentation, National Public Health Organization, 11523 Athens, Greece.
Vaccines
|June 2, 2021
Summary
Post-COVID syndrome, characterized by persistent symptoms after SARS-CoV-2 infection, has a multi-factorial pathogenesis. Understanding its mechanisms is crucial for classification and management.
Area of Science:
- Immunology
- Neurology
- Infectious Diseases
Background:
- Post-COVID syndrome involves symptoms persisting over three weeks post-SARS-CoV-2 infection.
- Incidence varies widely, from 10% to 85% in hospitalized patients.
- No current consensus exists on classifying post-COVID syndrome.
Purpose of the Study:
- To review published information on post-COVID syndrome.
- To emphasize the pathogenesis of post-COVID syndrome.
- To highlight the need for classification and further research.
Main Methods:
- Literature review of published studies on post-COVID syndrome.
- Emphasis on pathogenetic mechanisms.
- Analysis of reported clinical manifestations and outcomes.
Main Results:
- Post-COVID syndrome pathogenesis is multi-factorial, involving prolonged inflammation, immune-mediated vascular dysfunction, thromboembolism, and nervous system dysfunction.
- Multisystem Inflammatory Syndrome in Adults (MIS-A) is a recently described entity.
- While most patients have a good prognosis, long-term outcomes require further study.
Conclusions:
- Consensus-based classification is essential for clinical, diagnostic, and therapeutic management.
- Further research is imperative to fully elucidate the pathogenesis and long-term outcomes.
- Active registries are needed to monitor patients and define the full clinical spectrum.
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