Related Experiment Video
Updated: Jul 18, 2026
06:43
Increased Recovery Time and Decreased LPS Administration to Study the Vagus Nerve Stimulation Mechanisms in Limited Inflammatory Responses
Published on: March 29, 2017
Rethinking the triggering inflammatory processes of chronic periaortitis.
Pascal Meier1, Bruno Vogt, Edouard Blanc
1Service of Nephrology, Department of Medicine, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland. Pascal.Meier@chuv.ch
Nephron. Experimental Nephrology
|November 17, 2006
Summary
Chronic periaortitis (CP) is a rare aortic inflammatory disease. It involves fibrosis and inflammation, potentially linked to atherosclerosis and autoimmunity.
Area of Science:
- Vascular inflammation
- Retroperitoneal fibrosis
- Aortic diseases
Background:
- Chronic periaortitis (CP) is an uncommon inflammatory condition affecting the abdominal aorta.
- It encompasses idiopathic retroperitoneal fibrosis (RPF), inflammatory abdominal aortic aneurysm, and perianeurysmal RPF.
- These conditions share histopathological features leading to retroperitoneal fibrosis.
Purpose of the Study:
- To review the pathogenesis and pathophysiology of Chronic periaortitis (CP).
- To explore potential links between CP and advanced atherosclerosis (ATS).
- To summarize clinically relevant issues regarding CP.
Main Methods:
- Review of existing literature on CP, RPF, and inflammatory aortic aneurysms.
- Analysis of histopathological characteristics, including inflammatory cell infiltrates (lymphocytes, macrophages) and HLA-DR expression.
- Examination of cytokine gene expression (IL-1α, IL-2, IL-4, IFN-γ) and adhesion molecules (E-selectin, ICAM-1, VCAM-1) in aortic tissue.
Main Results:
- CP involves fibrosis and chronic inflammation with lymphocytes, macrophages, and HLA-DR-positive endothelial cells.
- T-helper cells and specific cytokines (IL-1α, IL-2, IL-4, IFN-γ) are present.
- Adhesion molecules suggest a role in CP pathophysiology, with exaggerated inflammation in response to ATS being a leading hypothesis.
Conclusions:
- CP is a generalized disease characterized by retroperitoneal fibrosis and inflammation.
- Advanced atherosclerosis (ATS) and autoimmunity are potential contributing factors to CP pathogenesis.
- Understanding CP's links to ATS is crucial for managing this complex inflammatory disease.
Related Concept Videos
01:12Chronic Inflammation: Introduction
Chronic inflammation is a prolonged, dysregulated immune response that persists for weeks to years when the inciting stimulus is difficult to eradicate or when self‑antigens drive ongoing reactivity. Morphologically, it is defined by mononuclear cell infiltration, progressive tissue destruction, and concurrent attempts at healing via angiogenesis and fibrosis. Compared with acute inflammation, edema is less prominent while cellular infiltration predominates; triggers include persistent...
01:22Pericarditis I: Introduction
Pericarditis is defined as the inflammation of the pericardium, the thin, sac-like membrane surrounding the heart. This condition can cause significant chest pain and other symptoms, often necessitating medical intervention. The pericardium has two layers: the inner visceral layer and the outer parietal layer, separated by a small amount of fluid that reduces friction during heartbeats.Types of PericarditisPericarditis can be classified into several types based on the duration and nature of the...
01:17Pericarditis III: Medical Management
The primary objectives of managing pericarditis are to determine the underlying cause, provide effective therapy for treatment and symptom relief, and promptly detect signs and symptoms of cardiac tamponade. The following outlines the essential aspects of medical management for pericarditis:ObjectivesDetermine the Cause: Identifying the underlying cause of pericarditis is crucial for targeted treatment. Causes include viral infections, autoimmune diseases, post-cardiac injury syndrome, and...
01:28Inflammatory Response
An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
01:24Chronic Pancreatitis I: Introduction
The pancreas, an elongated and flat gland situated behind the stomach, serves a vital function in digesting food and managing blood sugar levels.
Pancreatitis is the inflammation of the pancreas, which occurs when the immune system becomes active and causes swelling, pain, and disruptions in organ function. Pancreatitis can manifest as either an acute or chronic condition.
Acute pancreatitis arises suddenly and lasts for a brief duration, while chronic pancreatitis is a long-term affliction...
Pancreatitis is the inflammation of the pancreas, which occurs when the immune system becomes active and causes swelling, pain, and disruptions in organ function. Pancreatitis can manifest as either an acute or chronic condition.
Acute pancreatitis arises suddenly and lasts for a brief duration, while chronic pancreatitis is a long-term affliction...
01:25Chronic Pancreatitis I: Introduction
Chronic pancreatitis is a long-standing, relapsing inflammation of the pancreas, characterized by irreversible damage to the gland. It results in progressive destruction of the pancreatic parenchyma, fibrosis, and eventual loss of both exocrine and endocrine function. The disease may evolve gradually after multiple episodes of acute pancreatitis or develop independently.EtiologyChronic pancreatitis can arise from a variety of causes:Alcohol use is the leading cause, accounting for 70–80% of...