Cholestasis in neonates with red cell alloimmune hemolytic disease: incidence, risk factors and outcome

Vivianne E H J Smits-Wintjens1, Mirjam E A Rath, Irene T M Lindenburg

  • 1Division of Neonatology, Department of Pediatrics, Leiden University Medical Center, Leiden, The Netherlands. v.smits@lumc.nl

Neonatology
|February 23, 2012
PubMed

Insights

Cholestasis affects 13% of newborns with hemolytic disease of the newborn (HDN) due to red cell alloimmunization. Intrauterine red cell transfusions (IUTs) and rhesus D alloimmunization are key risk factors for this condition.

Area of Science:

  • Neonatal Medicine
  • Hepatology
  • Immunology

Background:

  • Neonatal cholestasis in hemolytic disease of the newborn (HDN) is linked to iron overload from intrauterine red cell transfusions (IUTs).
  • Limited data exists on the incidence, pathogenesis, risk factors, and outcomes of cholestasis in neonates with HDN.

Purpose of the Study:

  • To determine the incidence of cholestasis in neonates with red cell alloimmune HDN.
  • To identify risk factors, management strategies, and outcomes for cholestasis in this population.

Main Methods:

  • Observational study of (near-) term neonates with red cell alloimmunization from 2000-2010.
  • Routine liver function tests, including conjugated bilirubin, were performed.
  • Risk factors, management, and outcomes were recorded for neonates with and without cholestasis.

Main Results:

  • Cholestasis occurred in 13% (41/313) of neonates with red cell alloimmune HDN.
  • Independent risk factors for cholestasis included at least one IUT (OR 5.81) and rhesus D alloimmunization (OR 4.66).
  • Other causes of cholestasis were ruled out; supportive therapy was initiated in 5 infants, and one received iron chelation.

Conclusions:

  • Cholestasis is a significant complication in 13% of neonates with HDN due to red cell alloimmunization.
  • Intrauterine red cell transfusions and rhesus D alloimmunization are independently associated with the development of cholestasis.
Abstract

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