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Updated: Jul 11, 2025
08:05
Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
Published on: December 19, 2020
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Pathogenesis of Pulmonary Long COVID-19.
1Northwell Health, Greenvale, New York.
Summary
Long COVID, a persistent respiratory illness after acute COVID-19, stems from ongoing immune and cellular disturbances. Understanding these long COVID mechanisms is crucial for patient recovery and managing chronic respiratory dysfunction.
Area of Science:
- Immunology
- Pulmonology
- Pathology
Background:
- COVID-19 can cause acute respiratory distress syndrome and subsequent respiratory failure.
- Long COVID, a spectrum of subacute-to-chronic respiratory symptoms, affects patients post-acute infection.
- Pathogenesis involves exaggerated innate immunity, complement activation, and monocyte influx during acute injury.
Purpose of the Study:
- To elucidate the underlying mechanisms of organ dysfunction in acute COVID-19.
- To investigate the persistent immune and cellular disturbances contributing to long COVID.
- To differentiate acute COVID-19 pathology from long COVID pathogenesis.
Main Methods:
- Analysis of immune response patterns in acute COVID-19.
- Examination of cellular maturation abnormalities.
- Longitudinal assessment of symptomatic and post-COVID conditions.
Main Results:
- Acute COVID-19 involves exaggerated innate immunity and complement activation.
- Persistent immune and cellular disturbances are observed in ongoing symptomatic COVID-19 and long COVID.
- Increased thrombosis risk seen in acute COVID-19 may not persist in long COVID.
Conclusions:
- Long COVID pathogenesis reflects persistent immune and cellular disturbances initiated during acute and subacute phases.
- Understanding these persistent changes is key to managing chronic respiratory dysfunction after COVID-19.
- Further research into immune dysregulation is needed for effective long COVID treatments.
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