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SARS-CoV-2 Infection: Modulator of Pulmonary Embolism Paradigm.

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Pulmonary embolism (PE) incidence surged during the COVID-19 pandemic, driven by viral-induced hypercoagulability. Managing PE in COVID-19 patients presents unique diagnostic and treatment challenges.

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Area of Science:

  • Pulmonary Medicine
  • Infectious Diseases
  • Cardiology

Background:

  • Pulmonary embolism (PE) is a serious condition linked to venous thromboembolism, typically with low incidence.
  • The COVID-19 pandemic saw a significant increase in PE cases, suggesting a strong viral influence.

Purpose of the Study:

  • To review the pathophysiology of COVID-19-associated PE.
  • To highlight diagnostic and management challenges of PE in COVID-19 patients.
  • To differentiate COVID-19 PE from non-COVID-19 PE.

Main Methods:

  • Literature review focusing on studies published during the COVID-19 pandemic.
  • Analysis of viral load's impact on hypercoagulable states.
  • Examination of diagnostic difficulties and treatment strategies.

Main Results:

  • Viral load-induced hypercoagulability appears to be a primary driver of PE in COVID-19 patients.
  • Diagnosis is complicated by overlapping symptoms, unknown risk factors, and transmission risks.
  • Management involves thromboprophylaxis, anticoagulation, and mechanical ventilation, tailored to risk stratification.

Conclusions:

  • COVID-19 significantly impacts PE pathophysiology, shifting focus from classical risk factors to viral effects.
  • Effective management requires addressing unique challenges in diagnosis and treatment for COVID-19 patients.
  • Further research is needed to understand unknown risk factors and optimize post-COVID-19 care to prevent recurrence.