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HEMOGLOBIN INDEX AND JAUNDICE OF THE NEW-BORN

HEMOGLOBIN INDEX AND JAUNDICE OF THE NEW-BORN To the new-born infant the extra-uterine environment presents many new problems. At birth the rosy complexion of the skin is similar to that of a plethoric person. This rosiness, however, is not caused by polycythemia, but is rather an erythema neonatorum and disappears after a few days, only to be replaced by the yellowness of jaundice. The most generally accepted explanation of the occurrence of icterus neonatorum is that it accompanies the infant's postnatal readjustment from an environment which required polycythemia for oxygenation to one which does not. Because of the change in environment after birth, hemolysis occurs, which is the direct cause of the hyperbilirubinemia. Since the liver is incapable of excreting all of the increased amount of bile pigment in a normal manner, it passes some of it into the blood stream and jaundice results. According to our observations, polycythemia is absent in the fetus, the red blood http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American journal of diseases of children American Medical Association

HEMOGLOBIN INDEX AND JAUNDICE OF THE NEW-BORN

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References (1)

Publisher
American Medical Association
Copyright
Copyright © 1935 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
ISSN
0096-8994
eISSN
1538-3628
DOI
10.1001/archpedi.1935.01970030084007
Publisher site
See Article on Publisher Site

Abstract

To the new-born infant the extra-uterine environment presents many new problems. At birth the rosy complexion of the skin is similar to that of a plethoric person. This rosiness, however, is not caused by polycythemia, but is rather an erythema neonatorum and disappears after a few days, only to be replaced by the yellowness of jaundice. The most generally accepted explanation of the occurrence of icterus neonatorum is that it accompanies the infant's postnatal readjustment from an environment which required polycythemia for oxygenation to one which does not. Because of the change in environment after birth, hemolysis occurs, which is the direct cause of the hyperbilirubinemia. Since the liver is incapable of excreting all of the increased amount of bile pigment in a normal manner, it passes some of it into the blood stream and jaundice results. According to our observations, polycythemia is absent in the fetus, the red blood

Journal

American journal of diseases of childrenAmerican Medical Association

Published: Mar 1, 1935

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