Related Experiment Video
Updated: Apr 29, 2026
07:54
Isolation of Neonatal Extrahepatic Cholangiocytes
Published on: June 5, 2014
10.1K
Unconjugated pathological jaundice in newborns
Collegium Antropologicum
|May 24, 2014
Summary
Neonatal jaundice, a condition of high bilirubin, is linked to factors like gestational age and birth weight. Specific labor complications and delivery methods also increase the risk of pathological jaundice in newborns.
Area of Science:
- Neonatology
- Pediatrics
- Public Health
Background:
- Neonatal jaundice involves elevated blood bilirubin levels, potentially leading to bilirubin encephalopathy if unconjugated bilirubin crosses the blood-brain barrier.
- Distinguishing between physiological and pathological jaundice is crucial for timely intervention and preventing severe neurological outcomes.
Purpose of the Study:
- To investigate the incidence of pathological unconjugated neonatal jaundice.
- To identify epidemiological associations, including medical, social, and demographic factors.
- To determine if labor induction or stimulation increases jaundice frequency.
Main Methods:
- A study involving 800 infants was conducted.
- Data collected included infant and maternal health parameters, labor complications, and delivery methods.
- Statistical analysis was employed to identify significant correlations.
Main Results:
- 198 infants (24.8%) presented with jaundice, while 602 (75.2%) did not.
- Significant associations were found between jaundice and gestational age, birth weight, maternal infections, and other maternal illnesses during pregnancy.
- Complications such as premature rupture of membranes and the mode of delivery were also linked to increased jaundice incidence.
Conclusions:
- Neonatal jaundice is associated with various epidemiological factors, including gestational age, birth weight, and maternal health status.
- Labor complications and delivery methods play a role in the occurrence of neonatal jaundice.
- Further research can inform preventative strategies for neonatal hyperbilirubinemia.
Related Concept Videos
01:25Jaundice
33
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...
33
01:14Changes in Skin Color: Clinical Perspectives
3.3K
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...
Albinism
Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...
3.3K
01:15Transcytosis of IgG
3.4K
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...
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...
3.4K
01:22Development of Immunocompetence
1.2K
The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
1.2K
01:20Inborn Errors of Metabolism
1.1K
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...
1.1K
01:24Pharmacokinetics in Pediatric Patients: Drug Metabolism
409
In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses...
409