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Related Concept Videos

Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

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Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
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COPD: Pathogenesis and Clinical Features01:20

COPD: Pathogenesis and Clinical Features

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Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
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Pulmonary Hypertension: Classification and Pathogenesis01:30

Pulmonary Hypertension: Classification and Pathogenesis

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Pulmonary hypertension (PH) is a severe health condition in which the mean pulmonary arterial pressure increases to 25 mmHg or more, even when the body is at rest. This high pressure in the blood vessels that transport blood from the heart to the lungs can cause various symptoms, including shortness of breath, can lead to right heart failure, and significantly affect the overall quality of life.
There are various classifications for PH, each relating to different underlying causes and also...
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Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

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Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
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Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

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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...
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Inflammatory Response I: Vascular and Cellular01:30

Inflammatory Response I: Vascular and Cellular

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The inflammatory response is the body's defense against infection, injury, or irritation from bacteria, trauma, toxins, or heat. Inflammation helps locate and destroy pathogens and remove damaged tissue elements to heal the body. During this initial phase, fluid, blood products, and nutrients migrate to the injured area, resulting in redness, heat, swelling, ache, and loss of function. Moreover, signs of systemic inflammation include fever, increased WBC count, malaise, anorexia, nausea,...
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Related Experiment Video

Updated: Sep 29, 2025

Monitoring Changes in Human Umbilical Vein Endothelial Cells upon Viral Infection Using Impedance-Based Real-Time Cell Analysis
07:56

Monitoring Changes in Human Umbilical Vein Endothelial Cells upon Viral Infection Using Impedance-Based Real-Time Cell Analysis

Published on: May 5, 2023

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Endothelial Dysfunction in SARS-CoV-2 Infection.

Francesco Nappi1, Sanjeet Singh Avtaar Singh2

  • 1Department of Cardiac Surgery, Centre Cardiologique du Nord, 93200 Saint-Denis, France.

Biomedicines
|March 25, 2022
PubMed
Summary
This summary is machine-generated.

Severe COVID-19 involves inflammation, endothelial dysfunction, and thrombosis. This review explores SARS-CoV-2

Keywords:
SARS-CoV-2 infectionangiogenesisangiotensin-converting enzyme-2endothelial dysfunctionthrombosis

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Last Updated: Sep 29, 2025

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Area of Science:

  • Pathophysiology of infectious diseases
  • Cardiovascular complications
  • Immunology

Background:

  • Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is characterized by significant inflammation.
  • The role of endothelial dysfunction and thrombosis in SARS-CoV-2 pathogenesis remains underexplored.
  • Understanding these mechanisms is crucial for managing severe disease and mortality.

Purpose of the Study:

  • To review the pathogenic mechanisms linking SARS-CoV-2 infection to thrombotic complications.
  • To examine the role of endothelial dysfunction and inflammation in COVID-19.
  • To discuss the specific case of carotid artery thrombosis post-SARS-CoV-2 infection.

Main Methods:

  • Literature review focusing on SARS-CoV-2, inflammation, endothelial dysfunction, and thrombosis.
  • Analysis of direct and indirect pathogenic pathways of SARS-CoV-2.
  • Case study of carotid artery thrombosis following SARS-CoV-2 infection.

Main Results:

  • SARS-CoV-2 infection triggers inflammatory pathways that can lead to severe systemic symptoms.
  • Endothelial dysfunction and thrombosis are significant, though understudied, complications of COVID-19.
  • The angiotensin-converting enzyme 2 (ACE2) pathway and endothelial interactions are key to SARS-CoV-2 pathogenesis.

Conclusions:

  • Inflammation and endothelial dysfunction are critical drivers of thrombotic complications in SARS-CoV-2 infection.
  • Further research into these mechanisms is needed to mitigate COVID-19 severity and mortality.
  • SARS-CoV-2 shares pandemic characteristics with influenza, necessitating a comprehensive understanding of its multifaceted effects.