Hypoxia and asymmetrical fibrosis of the liver in children

Related Experiment Video

Updated: May 3, 2026

Visualization and Analysis of Blood Flow and Oxygen Consumption in Hepatic Microcirculation: Application to an Acute Hepatitis Model
10:40

Visualization and Analysis of Blood Flow and Oxygen Consumption in Hepatic Microcirculation: Application to an Acute Hepatitis Model

Published on: August 5, 2012

12.0K

M L Ghosh, J L Emery

    Gut
    |March 1, 1973
    PubMed

    Insights

    Hypoxia, or oxygen deficiency, increases fibrous tissue in children's livers. This was particularly noted in infants with congenital heart disease and respiratory issues, impacting liver health.

    Area of Science:

    • Pediatric Pathology
    • Hepatology
    • Cardiovascular Pathology

    Background:

    • Children's livers exhibit a higher connective tissue to parenchymal tissue ratio compared to adults.
    • A notable difference in connective tissue distribution is often observed between the left and right lobes of pediatric livers.

    Purpose of the Study:

    • To investigate the factors contributing to increased fibrous tissue in pediatric livers.
    • To determine the correlation between hypoxia and the development of hepatic fibrosis in children.

    Main Methods:

    • Histological examination of liver tissue samples from 150 children aged 0-12 years.
    • Analysis of clinical histories and associated non-hepatic lesions in the studied pediatric cohort.

    Main Results:

    • Hypoxia was identified as a significant factor in the increased deposition of fibrous tissue within children's livers.
    • Children experiencing cyanosis at birth and prolonged hypoxia due to pathological conditions demonstrated the highest ratios of connective tissue to liver parenchyma.
    • Commonly associated non-hepatic conditions included cyanotic congenital heart disease, coarctation of the aorta, acute respiratory distress, central nervous system malformations, and post-surgical shock.

    Conclusions:

    • Hypoxia plays a crucial role in the pathogenesis of hepatic fibrosis in pediatric populations.
    • Conditions leading to chronic hypoxia in children, such as congenital heart defects and respiratory distress, are strongly linked to increased liver connective tissue.

    More Related Videos

    Implementation of Non-invasive Point of Care Transient Elastography for Evaluation of Liver Disease in Pediatric Populations with Cystic Fibrosis05:56

    Implementation of Non-invasive Point of Care Transient Elastography for Evaluation of Liver Disease in Pediatric Populations with Cystic Fibrosis

    Published on: August 29, 2025

    705
    Hypoxia Alters miRNAs Levels Involved in Non-Mendelian Inheritance of Autism Spectrum Disorder in Mice09:13

    Hypoxia Alters miRNAs Levels Involved in Non-Mendelian Inheritance of Autism Spectrum Disorder in Mice

    Published on: July 11, 2025

    26.8K

    Related Concept Videos

    Liver Regeneration01:24

    Liver Regeneration

    The liver is an important organ in vertebrates that plays an essential role in metabolism. It is also responsible for storing and redistributing nutrients such as carbohydrates, fats, and vitamins in the body. Additionally, the liver releases bile salts which are critical for digesting food and eliminating toxic metabolites from the body.
    Cells of Liver
    The liver comprises four major types of cells— hepatocytes, stellate, Kupffer, and sinusoidal endothelial cells. The hepatocytes are...
    4.1K
    Hypoxia01:23

    Hypoxia

    Hypoxia is a medical condition characterized by an inadequate oxygen supply to body tissues. It typically manifests as a bluish discoloration of the skin and mucosae, especially in fair-skinned individuals, when hemoglobin (Hb) saturation drops below 75%.
    Types of Hypoxia
    There are four primary types of hypoxia, each resulting from a different cause:
    1. Anemic hypoxia: This type occurs due to insufficient oxygen delivery caused by a lack of red blood cells (RBCs) or RBCs with abnormal or...
    2.4K
    Acute Respiratory Failure-II01:21

    Acute Respiratory Failure-II

    Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
    The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
    1.8K
    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...
    382
    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...
    28
    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...
    42