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Predischarge screening for severe neonatal hyperbilirubinemia identifies infants who need phototherapy

Vinod K Bhutani1, Ann R Stark, Laura C Lazzeroni

  • 1Department of Neonatal and Developmental Medicine, Lucile Packard Children's Hospital, Department of Pediatrics, Stanford University, Stanford, CA 94304, USA. bhutani@stanford.edu

The Journal of Pediatrics
|October 10, 2012
PubMed

Insights

Combining predischarge bilirubin screening with clinical risk factors like gestational age best predicts which newborns need phototherapy. This approach can improve outcomes for healthy infants discharged early.

Area of Science:

  • Neonatal Medicine
  • Pediatrics
  • Public Health

Background:

  • Jaundice affects 84% of newborns within the first week.
  • Early discharge of healthy infants necessitates reliable methods for predicting hyperbilirubinemia.
  • Current methods for identifying infants at risk for phototherapy have limitations.

Purpose of the Study:

  • To evaluate if combining total plasma/serum bilirubin (TSB) levels with clinical risk factors improves the identification of infants requiring phototherapy compared to using each method alone.
  • To determine the most effective strategy for predicting the need for phototherapy in newborns.

Main Methods:

  • A prospective study involving healthy infants (≥35 weeks gestation) across 6 centers with universal predischarge TSB screening.
  • Measurement of transcutaneous bilirubin (TcB) at 24 hours and TSB at 24-60 hours and follow-up visits.
  • Systematic identification of clinical risk factors including gestational age, bruising, direct antiglobulin test, race, feeding method, blood type incompatibility, and jaundice extent.

Main Results:

  • The combined screening of TcB/TSB with clinical factors demonstrated superior prediction of postdischarge phototherapy (AUC = .95) compared to clinical factors alone (AUC = .86) or age-adjusted TSB (AUC = .87).
  • TcB/TSB combined with gestational age alone was equally predictive (AUC = .95).
  • Of 1157 infants, 4.2% and 3.5% received phototherapy before and after discharge, respectively.

Conclusions:

  • Predischarge bilirubin screening (TcB/TSB) adjusted for postnatal age, combined with key clinical factors (especially gestational age), is the most effective predictor of subsequent phototherapy need.
  • Universal implementation of this combined strategy in the US is recommended to enhance outcomes for healthy newborns.
  • This approach offers a more accurate and comprehensive method for managing neonatal jaundice.
Abstract

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