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Neonatal jaundice is a yellowish discoloration of the white part of the eyes and skin in a newborn baby due to high bilirubin levels. [1] Other symptoms may include excess sleepiness or poor feeding. [1] Complications may include seizures, cerebral palsy, or kernicterus. [1] In most of cases there is no specific underlying physiologic disorder. [2]
In undiagnosed and untreated children, the accumulation of precursor metabolites due to the deficient activity of galactose 1-phosphate uridylyltransferase (GALT) can lead to feeding problems, failure to thrive, liver damage, bleeding, and infections. The first presenting symptom in an infant is often prolonged jaundice.
For the first two days of life, healthy neonates have ratios of urinary coproporphyrin similar to those seen in patients with Dubin–Johnson syndrome; by 10 days of life, however, these levels convert to the normal adult ratio. [7] In post mortem autopsy, the liver will have a dark pink or black appearance due to pigment accumulation ...
Transient neonatal jaundice is one of the most common conditions occurring in newborns (children under 28 days of age) with more than 80 per cent experienceing jaundice during their first week of life. [53] Jaundice in infants, as in adults, is characterized by increased bilirubin levels (infants: total serum bilirubin greater than 5 mg/dL).
Gilbert syndrome is a phenotypic effect, mostly associated with increased blood bilirubin levels, but also sometimes characterized by mild jaundice due to increased unconjugated bilirubin, that arises from several different genotypic variants of the gene for the enzyme responsible for changing bilirubin to the conjugated form. [citation needed]
Depending on a patient's genetic mutation they may be asymptomatic, have severe symptoms requiring hospitalization or experience death. [ 1 ] Depending on the type of hereditary hyperbilirubinemia, symptoms can be worsened when an additional cause of increased red blood cell turnover occurs, as these patients have a decreased ability to process ...
Initially, the symptoms of biliary atresia are indistinguishable from those of neonatal jaundice, a usually harmless condition commonly seen in infants.However, infants with biliary atresia develop progressive conjugated jaundice, pale white stools, and dark urine.
Clinically, jaundice or dark urine present in approximately one-third of the cases, and most of the symptoms are related to anemia. [5] Other less commonly observed causes of hemolysis include: Hemolysis secondary to drug toxicity [15] Thalassemia minor [16] Congenital dyserythropoietic anemia [17]