Related Experiment Video

Updated: Aug 11, 2026

Biochemical Measurement of Neonatal Hypoxia
13:13

Biochemical Measurement of Neonatal Hypoxia

Published on: August 24, 2011

Hyperbilirubinemia and neonatal jaundice

S Blackburn

    Neonatal Network : NN
    |October 1, 1995
    PubMed

    Insights

    Neonatal jaundice, a common issue in infants, arises from normal bilirubin metabolism changes. Understanding physiologic and pathologic causes is key for recognizing at-risk infants and managing hyperbilirubinemia.

    Area of Science:

    • Neonatology
    • Pediatric Gastroenterology
    • Biochemistry

    Background:

    • Jaundice is a frequent condition in newborns, stemming from normal bilirubin metabolism.
    • Physiologic jaundice can be exacerbated by prematurity or interact with health issues, leading to pathologic jaundice and hyperbilirubinemia.
    • Caregivers require knowledge of bilirubin metabolism to identify at-risk infants.

    Purpose of the Study:

    • To review neonatal bilirubin metabolism.
    • To explain the causes of physiologic and pathologic jaundice and hyperbilirubinemia.
    • To discuss breastfeeding's impact on jaundice and outline treatment strategies.

    Main Methods:

    • Literature review of neonatal bilirubin metabolism.
    • Analysis of factors contributing to physiologic and pathologic jaundice.
    • Discussion of breastfeeding considerations and hyperbilirubinemia treatments.

    Main Results:

    • Normal bilirubin metabolism can lead to physiologic jaundice.
    • Exaggerated metabolic changes or coexisting health issues can cause pathologic jaundice and hyperbilirubinemia.
    • Breastfeeding patterns and phototherapy are discussed in relation to jaundice management.

    Conclusions:

    • Understanding neonatal bilirubin metabolism is crucial for diagnosing and managing jaundice.
    • Early recognition of risk factors and appropriate interventions are essential for infant health.
    • Effective nursing assessment and management, including phototherapy, are vital for treating hyperbilirubinemia.

    More Related Videos

    Isolation of Neonatal Extrahepatic Cholangiocytes07:54

    Isolation of Neonatal Extrahepatic Cholangiocytes

    Published on: June 5, 2014

    Extrahepatic Bile Duct and Gall Bladder Dissection in Nine-Day-Old Mouse Neonates06:10

    Extrahepatic Bile Duct and Gall Bladder Dissection in Nine-Day-Old Mouse Neonates

    Published on: August 23, 2022

    Related Concept Videos

    Transcytosis of IgG01:15

    Transcytosis of IgG

    Transcytosis is the process in which molecules are internalized by endocytosis, transported across the cell, and released through exocytosis from the opposite end of the cell. Molecules such as insulin, immunoglobulins, and certain nutrients are transferred through the recycling endosomes by recycling and transcytosis.
    IgG molecules from a mother undergo transcytosis starting around 13 weeks of gestation. The amount of IgG transferred and entering the fetal blood circulation increases with...
    Changes in Skin Color: Clinical Perspectives01:14

    Changes in Skin Color: Clinical Perspectives

    The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
    Albinism
    Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...
    Rh Blood Group01:19

    Rh Blood Group

    The Rhesus (Rh) antigen is crucial in determining blood groups and ensuring compatibility during blood transfusions.
    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...
    Inborn Errors of Metabolism01:20

    Inborn Errors of Metabolism

    Phenylketonuria (PKU) is a protein metabolism disorder characterized by high blood levels of the amino acid phenylalanine. This results from a mutation in the gene responsible for phenylalanine hydroxylase, an enzyme that converts phenylalanine into tyrosine. When this enzyme is deficient, phenylalanine builds up in the blood, leading to symptoms such as vomiting, rashes, seizures, growth deficiency, and severe mental retardation. An early diagnosis and a diet restricting phenylalanine intake...
    Jaundice01:25

    Jaundice

    Jaundice, or icterus, is the yellow discoloration of the skin, sclerae, and mucous membranes. It happens when plasma bilirubin levels rise above 2.5-3 mg/dL, leading to bilirubin deposition in tissue.Bilirubin is a byproduct of hemoglobin degradation. In macrophages, hemoglobin breaks down into globin and heme. Globin is converted into amino acids, while heme is turned into biliverdin by heme oxygenase, which is then reduced to unconjugated bilirubin by biliverdin reductase.Unconjugated...