Neonatal Hyperbilirubinemia in Preterm Neonates, An Issue of Clinics in Perinatology - 1st Edition - ISBN: 9780323446280, 9780323446297

Neonatal Hyperbilirubinemia in Preterm Neonates, An Issue of Clinics in Perinatology, Volume 43-2

1st Edition

Authors: David Stevenson Vinod Bhutani
eBook ISBN: 9780323446297
Hardcover ISBN: 9780323446280
Imprint: Elsevier
Published Date: 10th June 2016
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Description

Preterm neonates remain at increased risk for adverse bilirubin-related outcomes, including acute bilirubin encephalopathy relative to term infants. Yet, most vulnerable neonates are likely to benefit from the potent anti-oxidant properties of bilirubin. Evidence-based guidelines for the management of hyperbilirubinemia in preterm infants, however, are lacking. High concentrations of unconjugated bilirubin can cause permanent neurologic damage in infants, evident through magnetic resonance imaging of chronic bilirubin encephalopathy or kernicterus. There is a growing concern that exposures to even moderate concentrations of bilirubin may lead to subtle but permanent neurodevelopmental impairment referred to as bilirubin-induced neurologic dysfunction. Our current use of phototherapy to decrease bilirubin loads and its potential photo-oxidant properties is a biological conundrum that has been questioned in the use of phototherapy for very low birth weight neonates. In this issue of Clinics in Perinatology, we provide updates on the current understanding of the biology, mechanisms of increasing bilirubin load due to hemolysis, decreased bilirubin binding capacity and glucose-6-phosphate dehydrogenase deficiency, as well as clinical strategies to operationalize the thresholds for hyperbilirubinemia interventions in preterm infants.


Details

Copyright:
© Elsevier 2016
Published:
Imprint:
Elsevier
eBook ISBN:
9780323446297
Hardcover ISBN:
9780323446280

About the Authors

David Stevenson Author

Affiliations and Expertise

Stanford University School of Medicine, Palo Alto, CA

Vinod Bhutani Author

Affiliations and Expertise

Lucile Salter Packard Children's Hospital, Palo Alto, CA