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Related Concept Videos

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...
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...
Cytomegalovirus Disease01:27

Cytomegalovirus Disease

Cytomegalovirus (CMV) disease is caused by human cytomegalovirus, a double-stranded DNA virus of the Herpesviridae family. While primary CMV infection is often asymptomatic in immunocompetent individuals, the virus can cause severe disease in neonates and immunocompromised patients. CMV is the most common cause of congenital viral infection in the United States, and a major pathogen in solid organ and hematopoietic stem cell transplant recipients.CMV is transmitted via bodily fluids, sexual...
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...
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...

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Articles linked to this work by shared authors, journal, and citation graph.

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Hepatitis A in Saudi Arabia: A comparative sero-epidemiological study.

Saudi medical journal·2016
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Schistosomiasis as a possible risk factor for acquiring hepatitis C virus (HCV) infection among Saudis.

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Reduction in the prevalence of antibody to hepatitis A virus among young Saudi adults: implications for hepatitis A vaccine.

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Gastroenterology in Saudi Arabia.

Saudi journal of gastroenterology : official journal of the Saudi Gastroenterology Association·2009
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Isoniazid acetylation phenotyping in Saudi Arabs.

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Treatment of chronic hepatitis C genotype IV with interferon-ribavirin combination in Saudi Arabia: a multicentre study.

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Related Experiment Video

Updated: Jul 4, 2026

A Protocol for Analyzing Hepatitis C Virus Replication
13:04

A Protocol for Analyzing Hepatitis C Virus Replication

Published on: June 26, 2014

Hepatitis C virus infection: an update.

F Z Al-Faleh1

  • 1Department of Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia.

Saudi Journal of Kidney Diseases and Transplantation : an Official Publication of the Saudi Center for Organ Transplantation, Saudi Arabia
|April 1, 1995
PubMed
Summary

Hepatitis C virus (HCV) infection is prevalent in hemodialysis patients, with dialysis machines potentially transmitting the virus. Strict screening and public health education are crucial for prevention.

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Area of Science:

  • Hepatology
  • Infectious Diseases
  • Nephrology

Background:

  • Hepatitis C virus (HCV) infection presents a global health challenge, particularly affecting high-risk groups like hemodialysis (HD) patients.
  • The parenteral route is a primary transmission pathway for HCV, but non-parenteral routes also contribute.
  • High HCV prevalence in HD patients without blood transfusion history suggests dialysis equipment as a potential source of infection.

Purpose of the Study:

  • To investigate the prevalence and transmission routes of Hepatitis C virus (HCV) in hemodialysis patients.
  • To highlight the role of dialysis machines in HCV transmission within this vulnerable population.
  • To emphasize the need for enhanced preventive strategies against HCV in HD settings.

Main Methods:

  • Review of existing literature on HCV prevalence and transmission in hemodialysis patients.
  • Analysis of reported HCV prevalence data in Saudi Arabia's HD population.
  • Discussion of potential transmission routes, including dialysis machinery.

Main Results:

  • The reported prevalence of anti-HCV antibodies in Saudi Arabian HD patients is approximately 68%.
  • HCV infection in HD patients, even without prior transfusions, indicates dialysis machines as likely transmission vectors.
  • HCV naturally progresses to chronic liver diseases like cirrhosis and hepatocellular carcinoma.

Conclusions:

  • Vigorous screening of blood donors (0.5-3% prevalence in general population) and implementation of public health education are essential.
  • Consideration of separate dialysis machines for anti-HCV positive patients is recommended.
  • Preventive measures are critical due to the limited success of interferon treatment for HCV.