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Related Concept Videos

Cholecystitis01:20

Cholecystitis

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Cholecystitis is inflammation of the gallbladder, most commonly caused by obstruction of the cystic duct. This blockage prevents bile from draining, leading to gallbladder distension, inflammation, and potentially serious complications. This condition may present acutely or chronically and can happen with or without gallstones.EtiologyAbout 95% of cholecystitis cases are calculous, caused by gallstones blocking the cystic duct, leading to bile accumulation and inflammation of the gallbladder...
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Diseases of the Liver and Gallbladder01:26

Diseases of the Liver and Gallbladder

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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...
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Hepatitis01:25

Hepatitis

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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.
73
Cirrhosis II: Pathophysiology01:24

Cirrhosis II: Pathophysiology

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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...
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Cirrhosis I: Introduction01:23

Cirrhosis I: Introduction

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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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Gallbladder01:17

Gallbladder

3.1K
The gallbladder is a small, pear-shaped organ that plays a crucial role in our digestive system. Measuring about 10 cm in length, it is comparable in size to a kiwi fruit and is located in a hollow area on the lower surface of the liver. The gallbladder's primary function is to store and concentrate bile, a fluid produced by the liver that aids in digestion.
The gallbladder's anatomy consists of three regions: the fundus, body, and neck. Extending from the neck, the cystic duct joins...
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Related Experiment Video

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Analysis of Liver Microenvironment During Early Progression of Non-Alcoholic Fatty Liver Disease-Associated Hepatocellular Carcinoma in Zebrafish
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Hepatitis C--a risk factor for gallstone disease.

Syed Inamullah Shah, Sajida Shah, Abdul Hannan

    Journal of Ayub Medical College, Abbottabad : JAMC
    |November 1, 2014
    PubMed
    Summary

    Hepatitis C Virus (HCV) infection significantly increases gallstone disease risk. This association is particularly strong in males and younger individuals under 40.

    Area of Science:

    • Hepatology
    • Gastroenterology
    • Epidemiology

    Background:

    • Chronic liver disease is a known risk factor for gallstone formation.
    • Previous studies suggest a link between Hepatitis C Virus (HCV) infection and gallstones, but often failed to control for confounding factors like cirrhosis.
    • This research specifically investigates the HCV-gallstone association while excluding other gallstone risk factors.

    Purpose of the Study:

    • To determine if Hepatitis C Virus (HCV) infection is an independent risk factor for gallstone disease.
    • To quantify the association between HCV and gallstones in a controlled cohort.

    Main Methods:

    • A cross-sectional study involving 2000 patients undergoing abdominal ultrasound across four hospitals in Rawalpindi, Pakistan, over 18 months.
    • Hepatitis C Virus (HCV) antibody testing using ELISA was performed on all participants.

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  • Abdominal ultrasonography was utilized to diagnose the presence or absence of gallstones.

    • Main Results:

    • Patients with Hepatitis C Virus (HCV) exhibited a significantly higher prevalence of gallstones compared to seronegative individuals (p = 0.001).
    • Gallstone incidence was notably higher in males within the HCV-positive group (p < 0.001).
    • A significant association was observed between HCV infection and gallstones in younger patients, specifically those aged 40 years or younger (p < 0.001).

    Conclusions:

    • Hepatitis C Virus (HCV) infection is associated with an increased risk of developing gallstone disease.
    • The link between HCV infection and gallstones is more pronounced in male patients.