Sterile Pericarditis Model
Sterile Pericarditis Model - Related Videos
08:56
Sterile Pericarditis in Aachener Minipigs As a Model for Atrial Myopathy and Atrial Fibrillation
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Cited by 7 •
2021
We describe a sterile pericarditis model in minipigs to study atrial myopathy and atrial fibrillation (AF). We present surgical and anesthetic techniques, strategies for vascular access, and a protocol to study the inducibility of AF.
01:22
Pericarditis I: Introduction
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2025
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...
12:29
Sterile Tissue Harvest
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2016
Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN In 1959 The 3 R's were introduced by W.M.S. Russell and R.L. Burch in their book The Principles of Humane Experimental Technique. The 3 R's are replacement, reduction, and refinement of the use of animals in research. The use of cell lines and tissue cultures that originated from research animals is a replacement technique, as it allows for many experiments to be conducted in vitro. Harvesting...
01:17
Pericarditis III: Medical Management
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2025
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...
01:25
Pericarditis IV: Nursing Management
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2025
Pericarditis, an inflammation of the pericardium, necessitates diligent nursing management to ensure effective patient care and recovery. The initial step in managing pericarditis is a comprehensive patient medical assessment.The patient reports chest pain aggravated by breathing, coughing, and swallowing, which worsens when lying supine. The pain often improves when sitting up and leaning forward. Additional symptoms may include fever, malaise, and, in severe cases, signs of heart failure.
FAQs
The initiating injury or sterile inflammatory stimulus serves as a controlled trigger rather than a microbial challenge. It activates innate immune signaling in the pericardial environment, which then promotes leukocyte recruitment and local inflammatory changes. Because the initiating condition is experimentally controlled, investigators can relate the trigger to downstream edema, fluid accumulation, and adhesion formation.
Innate immune signaling provides the link between tissue disturbance and the cellular response measured in this model. Once activated, it helps organize recruitment of leukocytes to the inflamed pericardium. Tracking these linked events allows researchers to examine how an initially localized, noninfectious insult develops into broader tissue inflammation and to identify candidate biomarkers of progression.
Edema, pericardial fluid, and fibrous adhesions are complementary outcome measures rather than interchangeable findings. Together, they describe fluid handling, tissue swelling, and structural remodeling during inflammation. Their presence can help investigators assess disease severity and consider how inflammation may contribute to impaired cardiac function, making them useful endpoints when comparing mechanisms or interventions.
A study generally begins by applying a defined tissue injury or sterile inflammatory stimulus, followed by evaluation of the resulting pericardial response. Investigators can examine inflammatory features, leukocyte recruitment, fluid accumulation, edema, and adhesions, while also measuring biomarkers of progression. This sequence connects the experimental trigger with observable outcomes without introducing microbial infection.
Sterile Pericarditis Model studies can support head-to-head evaluation of anti-inflammatory or cardioprotective treatments under comparable inflammatory conditions. Researchers can compare how strategies affect biomarkers, inflammatory outcomes, and complications associated with cardiac function. The controlled design is especially useful for determining whether differences in treatment response reflect the intervention rather than variation in the initiating inflammatory stimulus.
In medicine, this model is particularly relevant to pericarditis arising after tissue injury or surgery, where inflammation is not necessarily driven by infection. It offers a focused setting for studying post-injury inflammatory mechanisms, following disease progression, and testing interventions intended to limit downstream complications. Findings can therefore connect experimental inflammation with clinically important cardiac consequences.