Thrombosis and Coagulopathy in COVID-19: Current Understanding and Implications for Antithrombotic Treatment in

Hangkuan Liu1,2, Zhijia Wang1,2, Haonan Sun1,2

  • 1Graduate School of Tianjin Medical University, Tianjin, China.

Insights

This review examines COVID-19

Area of Science:

  • Cardiovascular Medicine
  • Hematology
  • Infectious Diseases

Background:

  • Coronavirus disease 2019 (COVID-19) is a global pandemic with complex pathogenesis.
  • COVID-19 involves endothelial dysfunction, platelet activation, thrombosis, coagulopathy, and multi-organ failure.
  • Patients with coronary heart disease undergoing percutaneous coronary intervention (PCI) require antithrombotic therapy.

Purpose of the Study:

  • To review recent advancements in understanding COVID-19-related platelet activation and levels.
  • To explore the impact of COVID-19 on platelet changes in patients undergoing PCI.
  • To inform the effectiveness of antithrombotic therapy for managing platelet alterations in COVID-19 patients.

Main Methods:

  • Literature review of recent studies on COVID-19 and platelet function.
  • Analysis of clinical and autopsy data related to COVID-19 pathogenesis.
  • Synthesis of information on platelet changes and antithrombotic therapy in COVID-19 patients undergoing PCI.

Main Results:

  • COVID-19 is associated with significant alterations in platelet counts and activation status.
  • PCI patients with COVID-19 face increased risks of bleeding complications during ischemic event treatment.
  • Understanding these platelet changes is crucial for optimizing treatment strategies.

Conclusions:

  • Platelet activation and changes are key features of COVID-19 pathogenesis.
  • Effective antithrombotic therapy management is essential for COVID-19 patients, especially those with coronary heart disease.
  • Further research is needed to refine therapeutic approaches for platelet dysfunction in COVID-19.

Related Concept Videos

Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

Anticoagulant Drugs: Low-Molecular-Weight Heparins

Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
1.2K
Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
114
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
113
Acute Coronary Syndrome IV: Interprofessional Care01:28

Acute Coronary Syndrome IV: Interprofessional Care

IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
95
Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants01:18

Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants

Oral anticoagulants are vital tools in preventing and treating blood clotting disorders. This diverse class of medications can be categorized as vitamin K antagonists, exemplified by warfarin, and direct thrombin inhibitors (DTIs), such as dabigatran, as well as factor Xa inhibitors, including rivaroxaban.
Warfarin, a prominent vitamin K antagonist family member, exerts its effect by inhibiting the enzyme VKORC1 (vitamin K epoxide reductase complex 1). By hindering this enzyme, warfarin...
1.6K
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
133