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kernicterus

kernicterus in Medicine

kernicterus ker·nic·ter·us (kûr-nĭk'tər-əs)
n.
A grave form of jaundice of the newborn characterized by very high levels of unconjugated bilirubin in the blood and by yellow staining and degenerative lesions in the cerebral gray matter. Also called nuclear jaundice.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for kernicterus

severe brain damage caused by an abnormal concentration of the bile pigment bilirubin in brain tissues at or shortly after birth. Kernicterus may occur because of Rh blood-group incompatibility between mother and child, as in erythroblastosis fetalis, where the mother's immune system destroys fetal blood cells, resulting in severe anemia and jaundice in the newborn. Other causes are certain types of drug therapy, cerebral palsy, and jaundice associated with prematurity. Symptoms of kernicterus include loss of the startle reflex, poor feeding, decreased movement, and seizures. If the infant survives, later effects of kernicterus may include movement disorders, hearing loss, and decreased mental ability. Transfusion therapy and phototherapy have greatly reduced the incidence of kernicterus.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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