Breastfeeding, Jaundice and Hyperbilirubinemia in the Newborn
Breastfeeding, Jaundice and Hyperbilirubinemia in the
Newborn
Jeremy Jones, DO Oklahoma State University Center for Health Sciences
Table of Contents
? Learning Objectives ? Practice Gap ? The Newborn Baby and Breast
Milk ? A Few Benefits of Breast Feeding ? Clinical Reports ? A Few Contraindications to
Breast Feeding
? Jaundice Associated with Breast Feeding
? Differential Diagnosis ? Prevention ? Treatment of Hyperbilirubinemia ? Questions... ? ...And Then Answers... ? Resources
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Learning Objectives ? Breastfeeding
1. Understand the qualitative and quantitative differences between human milk and various infant formulas
2. Recognize the presence and importance of various antibodies (including secretory IgA) in human milk and colostrum
3. Delineate the advantages to the baby of breastfeeding 4. Recognize when breast-feeding should be interrupted because of
maternal infection
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717 S Houston Ave Ste 502, Tulsa, OK 74127-9023
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Learning Objectives ? Hyperbilirubinemia
1. Plan the appropriate diagnostic evaluation of jaundice in a full-term infant
2. Understand the differences between physiologic jaundice in preterm and full-term infants
3. Recognize the association between breast-feeding and physiologic jaundice in the neonatal period
4. Recognize the clinical features and sequelae of acute bilirubin encephalopathy in newborn infants, and manage appropriately
5. Understand strategies to prevent the development of severe hyperbilirubinemia in newborn infants
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717 S Houston Ave Ste 502, Tulsa, OK 74127-9023
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Practice Gaps
? Human milk provides substantial nutritional, cognitive, emotional, and immunologic benefits for the infant.
? Scientific study and research have accumulated and now constitute a large body of evidence documenting the actual benefits of breastfeeding for the infant and the mother.
? Jaundice occurs in most newborn infants.
? Most jaundice is benign, but because of the potential toxicity of bilirubin, newborn infants must be monitored to identify those who might develop severe hyperbilirubinemia and, in rare cases, acute bilirubin encephalopathy or kernicterus.
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717 S Houston Ave Ste 502, Tulsa, OK 74127-9023
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Disclosures
I have nothing to disclose.
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717 S Houston Ave Ste 502, Tulsa, OK 74127-9023
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The Newborn Baby and Breast Milk
aka "Your Baby Isn't Perfect!"
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717 S Houston Ave Ste 502, Tulsa, OK 74127-9023
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Developmental Defects in Newborns
? Phagocytes:
? Poor Isotype switching
? Poor production, adhesion, migration for first 6 months of life
? IgG production is limited, delayed (matures at 1?7 years of age)
? Cell-mediated immunity:
? Limited numbers of memory T-cells ? Decreased cytokine production: IFN-
alpha, IL-2, IL-4, IL-10 ? Poor stimulation of B-cells
? B-Lymphocytes and Immunoglobulins:
? Limited quantity, quality antibody production
? B-lymphocytes and immunoglobulins:
? Serum IgA levels are low (less than adult levels through 6?8 years of age)
? Poor response to T-cell independent antigens (matures at 2?3 years of age)
? Complement cascade:
? Decreased function in both the classical and the alternative pathways
Robert M Lawrence and Camille A Pane, MD. Human Breast Milk: Current Concepts of Immunology and Infectious Diseases. Curr Probl Pediatr Adolesc Health Care 2007;37:7-36. 1538-5442
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