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Prophylactic Interventions in Neonatology: How Do They Fare in Real Life?

Asaph Rolnitsky1, Shoo K Lee1, Bruno Piedbouf2

  • 1Department of Paediatrics, University of Toronto, Toronto, Ontario, Canada.

American Journal of Perinatology
|July 15, 2015
PubMed

Insights

Antenatal steroids significantly reduced mortality and neurological injury in extremely preterm infants. Prophylactic indomethacin and phototherapy showed no significant benefits for these outcomes in a real-world setting.

Area of Science:

  • Neonatal Medicine
  • Perinatal Research
  • Clinical Effectiveness Studies

Background:

  • Extremely preterm infants (<28 weeks gestation) face high risks of mortality and morbidities.
  • Prophylactic interventions like antenatal steroids, indomethacin, and phototherapy are used to improve outcomes.
  • Evidence for their effectiveness in pragmatic settings outside randomized controlled trials is crucial.

Purpose of the Study:

  • To evaluate the association of prophylactic antenatal steroids, indomethacin, and phototherapy with outcomes in extremely preterm infants.
  • To assess the real-world effectiveness of these interventions in a large neonatal network.
  • To inform clinical practice regarding the use of prophylactic treatments in neonatal intensive care units.

Main Methods:

  • Retrospective study of 3,465 infants born <28 weeks gestation across 26 Canadian NICUs (2010-2012).
  • Comparison of mortality, severe neurological injury, retinopathy, necrotizing enterocolitis, bronchopulmonary dysplasia, nosocomial infection, and PDA ligation rates.
  • Analysis of infants receiving antenatal steroids, prophylactic indomethacin, and/or phototherapy versus those who did not.

Main Results:

  • Antenatal steroids were associated with reduced mortality (aOR 0.47) and severe neurological injury (aOR 0.60).
  • Prophylactic indomethacin was linked to fewer patent ductus arteriosus ligations (aOR 0.52) but not reduced neurological injury.
  • Prophylactic phototherapy showed no association with improved neonatal outcomes, despite bilirubin reduction.

Conclusions:

  • Antenatal steroids demonstrate significant benefits in reducing mortality and neurological injury in extremely preterm neonates.
  • Prophylactic indomethacin and phototherapy did not show comparable benefits for neurological injury or overall neonatal outcomes in this pragmatic setting.
  • The effectiveness of prophylactic interventions varies in real-world clinical practice, highlighting the need for ongoing monitoring and evidence generation.
Abstract

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