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Related Concept Videos

Vascular Spasm01:16

Vascular Spasm

The vascular phase, also known as vasospasm, is the initial stage of hemostasis, crucial for preventing excessive bleeding when a blood vessel is injured. After a vessel is cut, nerves in the damaged area trigger pain and other sensory impulses. Simultaneously, the smooth muscles in the vessel wall contract, resulting in a vascular spasm. This contraction reduces the vessel's diameter at the injury site, slowing or stopping blood loss through the vessel wall. Vascular spasms typically last for...
Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
Inflammatory Response I: Vascular and Cellular01:30

Inflammatory Response I: Vascular and Cellular

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,...
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
Venules01:08

Venules

Venules are an integral part of the microscopic circulatory system that bridges the gap between capillaries and veins.
Venules are much smaller in diameter compared to their larger counterparts, the veins. They are generally 8 to 100 micrometers in diameter, significantly smaller than the size of veins. The walls of venules are thin, consisting of the endothelium, a thin layer of connective tissue, and occasionally a few smooth muscle cells. This structural simplicity is a stark contrast...
Structure of Blood Vessels01:15

Structure of Blood Vessels

Blood is circulated throughout the human body through a network of blood vessels called the circulatory system. This system includes arteries that transport blood from the heart to various body parts. These arterial pathways divide into smaller vessels until they reach the arterioles, which further split into capillaries. It is within these minuscule capillaries that the exchange of nutrients and waste products takes place. After this exchange, the blood is collected by venules, which fuse to...

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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

Large vessel vasculitis.

Ashima Gulati1, Arvind Bagga

  • 1Division of Nephrology, Department of Pediatrics, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India.

Pediatric Nephrology (Berlin, Germany)
|October 22, 2009
PubMed
Summary
This summary is machine-generated.

Takayasu arteritis, a rare inflammatory condition affecting the aorta, requires early diagnosis in children and adults to prevent severe complications. Prompt treatment is crucial for managing this progressive disease.

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Area of Science:

  • Vascular Inflammation
  • Pediatric Rheumatology
  • Autoimmune Diseases

Background:

  • Takayasu arteritis is a chronic granulomatous vasculitis affecting the aorta and its branches.
  • It primarily impacts young women but also occurs in children.
  • The condition can lead to severe complications if not recognized early.

Purpose of the Study:

  • To review the clinical, pathological, and radiological features of Takayasu arteritis.
  • To discuss differential diagnoses and management strategies, with a focus on pediatric cases.
  • To highlight the importance of early recognition and treatment.

Main Methods:

  • Literature review of clinical studies, case reports, and guidelines.
  • Analysis of diagnostic criteria and imaging modalities.
  • Synthesis of current treatment approaches, including medical and surgical options.

Main Results:

  • Takayasu arteritis presents with diverse symptoms, including hypertension and inflammatory syndromes.
  • Diagnostic challenges exist, necessitating a high index of suspicion.
  • Early intervention is associated with better outcomes and reduced morbidity.

Conclusions:

  • Takayasu arteritis is a serious condition requiring prompt diagnosis and management.
  • Consideration in patients with unexplained hypertension or inflammatory symptoms is vital.
  • Revascularization may benefit patients with persistent ischemic symptoms.