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Related Concept Videos

Aneurysm I: Introduction01:30

Aneurysm I: Introduction

An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
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Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
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Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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Atherosclerosis is a progressive disorder characterized by the buildup of plaques on the arterial inner wall, causing them to narrow and harden over time. These plaques comprise lipids, calcium, blood components, carbohydrates, and fibrous tissue. The process primarily affects the intima of large and medium-sized arteries, reducing blood flow in any artery.Etiology and risk factorsThe cause of atherosclerosis is multifactorial, involving a complex interplay among endothelial injury, lipid...
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Aortic Regurgitation I: Introduction

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A Murine Model of Carotid Aneurysm Formation
03:47

A Murine Model of Carotid Aneurysm Formation

Published on: September 9, 2025

Inflammatory changes in the aneurysm wall: a review.

Riikka Tulamo1, Juhana Frösen, Juha Hernesniemi

  • 1Neurosurgery Research Group, Biomedicum Helsinki, Finland. riikka.tulamo@hus.fi

Journal of Neurointerventional Surgery
|October 13, 2011
PubMed
Summary
This summary is machine-generated.

Inflammation in brain aneurysm walls contributes to rupture, causing stroke. Understanding this inflammation may lead to better imaging and treatments for ruptured brain aneurysms.

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A New Murine Model of Endovascular Aortic Aneurysm Repair
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Last Updated: May 28, 2026

A Murine Model of Carotid Aneurysm Formation
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A New Murine Model of Endovascular Aortic Aneurysm Repair
08:51

A New Murine Model of Endovascular Aortic Aneurysm Repair

Published on: July 7, 2013

Area of Science:

  • Neuroscience
  • Pathology
  • Vascular Biology

Background:

  • Saccular intracranial artery aneurysms (IAs) rupture causes subarachnoid hemorrhage, a leading cause of stroke and mortality.
  • Current treatments like endovascular coiling and surgical clipping are invasive and carry risks.
  • Identifying rupture-prone IAs is crucial for preventative strategies.

Purpose of the Study:

  • To review current knowledge on inflammation in IA walls.
  • To explore mechanisms linking inflammation to IA wall degeneration and rupture.
  • To discuss imaging techniques and potential therapeutic improvements based on inflammation.

Main Methods:

  • Literature review of studies on IA wall pathobiology and inflammation.
  • Analysis of proposed mechanisms of inflammation-induced degenerative changes.
  • Review of current and emerging imaging modalities for IA inflammation.

Main Results:

  • Chronic inflammation, characterized by immune cell infiltration and tissue remodeling, is a key factor in IA wall pathobiology.
  • Inflammatory processes likely drive degenerative changes, weakening the IA wall and increasing rupture risk.
  • Advanced imaging techniques show promise for visualizing IA wall inflammation.

Conclusions:

  • Inflammation plays a critical role in the development and rupture of intracranial aneurysms.
  • Further research into IA wall inflammation can improve diagnostic imaging and therapeutic interventions.
  • Targeting inflammatory pathways may offer novel treatment strategies for preventing IA rupture.