Cirrhosis Ascites
Cirrhosis Ascites - Related Videos
01:19
Ascites
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2026
DefinitionAscites is the buildup of fluid inside the peritoneal cavity. It occurs when fluid moves out of the vascular system faster than the peritoneal lymphatics can remove it. This fluid shift is most commonly seen in liver cirrhosis but can also appear in several other systemic disorders.EtiologyCirrhosis remains the leading cause of ascites. Other conditions that can contribute include:Heart failureConstrictive pericarditisAbdominal cancersNephrotic syndromeSevere protein–calorie...
01:23
Cirrhosis I: Introduction
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2026
Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...
01:24
Cirrhosis II: Pathophysiology
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2026
Cirrhosis is a progressive chronic liver injury caused by prolonged inflammation, excessive fibrotic remodeling, and impaired regeneration. Over time, repeated hepatic insults disrupt the liver’s architecture and function, leading to reduced blood flow, impaired bile drainage, and diminished metabolic capacity.Pathophysiology of cirrhosisCirrhosis arises from three main responses to chronic liver damage: inflammation, immune activation, and hepatocyte death. These processes lead to structural...
12:04
The bm12 Inducible Model of Systemic Lupus Erythematosus (SLE) in C57BL/6 Mice
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Cited by 38 •
2015
The transfer of bm12 lymphocytes into a C57BL/6 recipient is an established model of systemic lupus erythematosus. Here we describe how to initiate disease using this model and how to characterize T follicular helper cells, germinal center B cells and plasma cells by flow cytometry.
10:15
Light Sheet-based Fluorescence Microscopy of Living or Fixed and Stained Tribolium castaneum Embryos
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Cited by 18 •
2017
Imaging the morphogenesis of insect embryos with light sheet-based fluorescence microscopy has become state of the art. This protocol outlines and compares three mounting techniques appropriate for Tribolium castaneum embryos, introduces two novel custom-made transgenic lines well suited for live imaging, discusses essential quality controls and indicates current experimental limitations.
FAQs
The process reflects two linked circulatory changes caused by advanced liver scarring. Increased portal venous pressure alters blood flow, while the body perceives a reduction in effective blood volume. These signals activate the renin-angiotensin-aldosterone system and the sympathetic nervous system, prompting the kidneys to retain sodium and water. That retention contributes to progressive fluid accumulation.
Although fluid is accumulating in the peritoneal cavity, the circulation can be perceived as having insufficient effective volume. This activates hormonal and nervous responses designed to conserve fluid. The renin-angiotensin-aldosterone system and sympathetic nervous system increase renal sodium and water retention, reinforcing the imbalance that drives ascites in advanced liver disease.
Portal venous pressure is an important consequence of liver scarring and a major contributor to the circulatory disturbance underlying ascites. Its elevation affects how blood is distributed within the portal circulation and helps produce the perceived reduction in effective blood volume. This connects hepatic scarring with kidney-mediated sodium and water retention.
Diagnostic paracentesis provides fluid for assessment when clinicians need to investigate the cause of ascites or identify infection. This is important because fluid accumulation can occur in the setting of advanced liver disease but may also require evaluation for other causes. The findings help guide clinical management and complication prevention.
These assessments provide different types of clinical information. Physical examination helps clinicians evaluate the patient directly, imaging supports assessment of fluid accumulation, and diagnostic paracentesis allows the ascitic fluid itself to be examined. Used together, they help confirm the clinical problem, investigate infection or other causes, and support decisions about management.
Management may combine dietary sodium restriction, diuretics, therapeutic paracentesis, and treatment directed at the underlying cirrhosis. These approaches address the problem from complementary angles: reducing sodium-related fluid retention, promoting fluid removal, relieving the accumulated fluid, and addressing the liver disease contributing to the condition. The overall aim is symptom reduction and complication prevention.
Ascites is clinically important because its presence reflects advanced liver disease and a substantial circulatory and renal response. Monitoring the condition and its response to treatment can help clinicians evaluate disease severity while working to reduce discomfort and prevent complications. Thus, assessment and management provide both immediate patient benefits and information relevant to prognosis.