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Related Concept Videos

Cirrhosis I: Introduction01:23

Cirrhosis 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...
Cirrhosis II: Pathophysiology01:24

Cirrhosis 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...
Diseases of the Liver and Gallbladder01:26

Diseases of the Liver and Gallbladder

Liver and gallbladder diseases are a significant health concern, with prominent conditions including cirrhosis, hepatitis, non-alcoholic fatty liver disease (NAFLD), and gallstones. Jaundice is a common manifestation of liver and biliary disease.
Cirrhosis is characterized by the scarring of hepatic lobules in the liver, which are replaced by fibrous tissue, affecting the liver's normal functioning. NAFLD, on the other hand, is caused by an excessive build-up of fat in the liver, not related to...
Portal Hypertension01:22

Portal Hypertension

Portal hypertension is an increase in blood pressure within the portal venous system. Normally, this pressure is less than 5 mmHg. It is considered clinically significant when it rises above 10 mmHg. At this threshold, complications from altered blood flow and venous congestion emerge.EtiologyPortal hypertension arises from conditions that impede blood flow through the liver. The most common cause is cirrhosis, in which chronic liver injury leads to fibrotic scarring. This fibrosis narrows or...
Liver Histology01:27

Liver Histology

The microscopic anatomy of the liver is a complex and intricate system that comprises numerous structural units known as liver lobules, each of which is comparable in size to a sesame seed. These hexagonal structures consist of plates of liver cells or hepatocytes, which are characterized by their versatility and abundance of cellular apparatus like rough and smooth ER, Golgi apparatus, peroxisomes, and mitochondria.
Hepatocytes perform a variety of essential functions. They secrete...
Effect of Hepatic Disease on Pharmacokinetics: Drug Dosing and Hepatic Blood Flow01:26

Effect of Hepatic Disease on Pharmacokinetics: Drug Dosing and Hepatic Blood Flow

Chronic liver disease significantly impacts drug metabolism due to alterations in hepatic blood flow and enzyme accessibility. This disruption affects the body's pharmacokinetics—the movement and processing of drugs within the system. Key enzymes crucial for metabolizing medications become less accessible, changing how drugs are processed and utilized. Furthermore, liver disease influences the synthesis of plasma proteins, such as albumin and globulins, which play critical roles in drug binding...

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Related Experiment Videos

Liver cirrhosis.

Detlef Schuppan1, Nezam H Afdhal

  • 1Division of Gastroenterology and Hepatology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA. dschuppa@bidmc.harvard.edu

Lancet (London, England)
|March 11, 2008
PubMed
Summary
This summary is machine-generated.

Cirrhosis, a severe liver condition, is being better managed due to advances in understanding its progression and complications. New treatments aim to halt or reverse liver disease, improving patient outcomes beyond transplantation.

Related Experiment Videos

Area of Science:

  • Hepatology
  • Internal Medicine
  • Pathophysiology

Background:

  • Cirrhosis is characterized by liver scarring from chronic injury, leading to portal hypertension and end-stage liver disease.
  • Recent scientific understanding has improved management, quality of life, and survival for patients with cirrhosis.
  • While liver transplantation is curative for some, new pharmacological approaches are emerging to halt or reverse liver disease progression.

Purpose of the Study:

  • To provide a comprehensive overview of cirrhosis diagnosis, complications, and management.
  • To highlight recent clinical and scientific advancements in understanding and treating cirrhosis.
  • To discuss the development of novel pharmacological treatments for liver disease.

Main Methods:

  • Review of current literature on cirrhosis pathophysiology and natural history.
  • Analysis of recent clinical trial data for emerging cirrhosis treatments.
  • Synthesis of expert knowledge on diagnosis and management strategies.

Main Results:

  • Improved patient outcomes and life expectancy through better management of cirrhosis complications.
  • Development of pharmacological agents showing potential to halt or reverse liver fibrosis.
  • Identification of liver transplantation as a key curative option for select patients.

Conclusions:

  • Advances in understanding cirrhosis are enhancing patient care and prognosis.
  • Pharmacological treatments are on the horizon to potentially reverse liver damage.
  • Multifaceted approaches, including transplantation and new therapies, are crucial for managing advanced liver disease.