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Related Concept Videos

Viral Hepatitis I: Introduction01:28

Viral Hepatitis I: Introduction

Viral hepatitis is an inflammatory condition of the liver caused by infection with hepatotropic viruses, most commonly hepatitis A, B, C, D, and E. Despite variations in structure and transmission, all viruses mentioned infect hepatocytes and provoke immune responses that can hinder liver function. Additionally, some non-hepatotropic viruses can also lead to hepatic inflammation.Hepatitis A VirusHepatitis A virus (HAV) is transmitted through the fecal–oral route, typically by ingestion of food...
Hepatitis01:25

Hepatitis

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...
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...
Yellow Fever01:18

Yellow Fever

Yellow fever is a viral hemorrhagic disease caused by the yellow fever virus (YFV), a member of the Flaviviridae family. It is transmitted primarily by Aedes and Haemagogus mosquitoes in tropical and subtropical regions of Africa and South America. After transmission through a mosquito bite, the virus initially replicates in skin-resident immune cells such as dendritic cells and macrophages. These cells then migrate to the lymph nodes, where viral replication increases, eventually leading to...
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...

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Related Experiment Video

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A Cell Culture Model for Producing High Titer Hepatitis E Virus Stocks
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[Viral hepatitis--trends].

Carmen Manciuc1, Carmen Dorobăţ, Florina-Mihaela Filip-Ciubotaru

  • 1Universitatea de Medicină şi Farmacie Gr.T. Popa Iaşi Facultatea de Medicină, Disciplina Boli Infecţioase.

Revista Medico-Chirurgicala a Societatii De Medici Si Naturalisti Din Iasi
|August 13, 2010
PubMed
Summary

Viral hepatitis, particularly hepatitis B and C, poses a global health challenge. Current therapeutic strategies aim to reduce viral load and improve liver health, addressing this significant public health concern.

Area of Science:

  • Hepatology
  • Virology
  • Public Health

Background:

  • Viral hepatitis is a significant global health issue.
  • Hepatitis B and C are major public health priorities, with high annual incidence rates.
  • Understanding etiological agents and disease progression is crucial.

Purpose of the Study:

  • To review current therapeutic achievements in viral hepatitis management.
  • To consolidate general knowledge on viral hepatitis, focusing on B and C.
  • To highlight the impact of viral hepatitis on liver health.

Main Methods:

  • Literature review of etiological agents for acute and chronic hepatitis.
  • Analysis of current therapeutic drugs and combinations for viral hepatitis.
  • Evaluation of treatment efficacy in reducing viral load and improving liver histology.

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04:11

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Main Results:

  • Identification of key etiological agents for viral hepatitis.
  • Presentation of commonly used drugs and combination therapies.
  • Demonstration of treatment benefits in decreasing ALAT and viral load markers.
  • Observed amelioration of liver histological aspects.

Conclusions:

  • Viral hepatitis, especially B and C, remains a significant challenge for global health.
  • Effective therapeutic strategies are crucial for managing viral hepatitis.
  • Continued efforts by epidemiologists, infectious disease specialists, and gastroenterologists are needed to control the spread and impact of viral hepatitis.