Related Experiment Video
Updated: Jun 25, 2026
10:25
"Liver-on-a-Chip" Cultures of Primary Hepatocytes and Kupffer Cells for Hepatitis B Virus Infection
Published on: February 19, 2019
[Clinical features of chronic hepatitis]
1Centro de Hematología y Medicina Interna, Privada 8 B Sur Anzures, 72530 Puebla, Pue, México.
Summary
Chronic active hepatitis presents various forms with evolving diagnosis and treatment. Early detection via liver biopsy is crucial for managing the risk of cirrhosis and improving patient outcomes.
Area of Science:
- Hepatology
- Immunology
- Gastroenterology
Context:
- Chronic active hepatitis encompasses diverse clinical presentations and classifications.
- Advances in serologic markers and clinical characterization have refined understanding of the disease's natural course.
- Autoimmune chronic active hepatitis exhibits distinct clinical, biochemical, and autoantibody profiles compared to other hepatitis types.
Purpose:
- To review the clinical characteristics, classification, and natural history of chronic active hepatitis.
- To highlight the significance of early diagnosis through liver biopsy due to cirrhosis risk.
- To discuss the impact of immunosuppressive drugs, steroids, and antiviral therapy on disease management.
Summary:
- Chronic active hepatitis can be asymptomatic, with autoimmune forms showing unique features.
- Early diagnosis via liver biopsy is critical for mitigating cirrhosis risk.
- Treatment modalities including immunosuppressants and antivirals have altered the disease's natural history, though long-term prognosis remains guarded.
Impact:
- Improved understanding of chronic active hepatitis subtypes and their specific markers.
- Enhanced diagnostic strategies emphasizing early detection and risk assessment for cirrhosis.
- Modified therapeutic approaches influencing the long-term outlook for patients with chronic active hepatitis.
Related Concept Videos
01:23Cirrhosis I: Introduction
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...
01:25Hepatitis
Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver. The...
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...
01:24Cirrhosis II: Pathophysiology
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...
01:21Chronic Pancreatitis II: Pathophysiology
Chronic pancreatitis is a progressive and irreversible inflammation of the pancreas, most often caused by long-term alcohol abuse, but it can also be related to ductal obstruction, smoking, or genetic factors.Chronic pancreatitis occurs when the pancreas is repeatedly exposed to harmful agents like alcohol, smoking, ductal obstruction, or genetic predisposition. These factors lead to the release of toxic metabolites and inflammatory cytokines, sustaining chronic inflammation in the pancreatic...