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Related Concept Videos

Pulmonary Hypertension: Classification and Pathogenesis01:30

Pulmonary Hypertension: Classification and Pathogenesis

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...
Overview of Systemic Arteries01:11

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The human body is a complex, well-organized machine, and at the heart of its operations lies the circulatory system. This network of blood vessels, which includes systemic arteries, plays a vital role in maintaining life by transporting nutrients, oxygen, and waste products to and from cells throughout the body.
Systemic circulation is the part of the cardiovascular system that carries oxygenated blood away from the heart to the body's tissues and returns deoxygenated blood back to the heart.
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Cardiovascular diseases, encompassing a range of conditions, can significantly affect the heart's operations and the overall circulatory system. These conditions impair the heart's ability to pump blood, leading to a deficit in oxygen supply to crucial organs. Anomalies in the heart's electrical system, known as arrhythmias, can cause heartbeats to accelerate or slow down. Usually, heart rates increase during physical activity and decrease while resting or sleeping. However, frequent irregular...
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Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...
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Related Experiment Video

Updated: May 19, 2026

Experimental Autoimmune Uveitis: An Intraocular Inflammatory Mouse Model
07:40

Experimental Autoimmune Uveitis: An Intraocular Inflammatory Mouse Model

Published on: January 12, 2022

[Systemic vasculitides classification].

Loïc Guillevin1, Benjamin Terrier

  • 1AP-HP, hôpital Cochin, université Paris-Descartes, service de médecine interne, 75014 Paris, France. loic.guillevin@cch.aphp.fr

Presse Medicale (Paris, France : 1983)
|August 14, 2012
PubMed
Summary
This summary is machine-generated.

Systemic vasculitides are inflammatory blood vessel diseases with diverse mechanisms and classifications. Understanding these distinctions is crucial for accurate diagnosis and effective treatment of various vasculitic conditions.

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An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
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Published on: February 8, 2019

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Last Updated: May 19, 2026

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An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
06:35

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis

Published on: February 8, 2019

Area of Science:

  • Vascular inflammation
  • Immunopathology
  • Disease classification

Context:

  • Systemic vasculitides encompass a range of inflammatory conditions affecting blood vessels.
  • Disease mechanisms vary significantly based on the specific type of vasculitis.
  • Classification systems aid in understanding disease heterogeneity.

Purpose:

  • To outline the classification of systemic vasculitides.
  • To differentiate underlying pathogenic mechanisms.
  • To emphasize the importance of classification for disease description and management.

Summary:

  • Systemic vasculitides are classified by vessel size, histology, and pathogenesis.
  • Giant cell arteritis includes Horton's disease and Takayasu's arteritis.
  • Necrotizing vasculitides involve ANCA-associated or immune complex-mediated mechanisms, with some unidentified pathways.

Impact:

  • Accurate classification facilitates appropriate disease description and outcome prediction.
  • Understanding diverse mechanisms informs targeted therapeutic strategies.
  • Improved classification supports better clinical management of vasculitic diseases.