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Published on: May 4, 2020
Hydrocortisone use in ventilated extremely preterm infants decreased bronchopulmonary dysplasia with no effects on
Anaïs Renault1, Juliana Patkaï2, Gilles Dassieu1
1Neonatal Intensive Care Unit, CHI Créteil, Créteil, France.
Insights
Late hydrocortisone use in ventilated premature infants reduced bronchopulmonary dysplasia (BPD) rates. This intervention showed no significant impact on neurodevelopmental outcomes at two years corrected age.
Area of Science:
- Neonatalogy
- Pediatric Pulmonology
- Neonatal Intensive Care
Background:
- Extremely premature infants often require prolonged mechanical ventilation.
- Postnatal corticosteroids are used to manage respiratory distress but carry potential risks.
- Varied clinical practices exist regarding the timing and type of corticosteroids administered.
Purpose of the Study:
- To evaluate the impact of late postnatal corticosteroids on outcomes in ventilator-dependent extremely premature infants.
- To compare outcomes between centers with permissive versus restrictive corticosteroid policies.
Main Methods:
- Retrospective analysis of inborn infants <27 weeks gestational age, ventilator-dependent >14 days.
- Comparison between two centers: one permissive (Centre P) and one restrictive (Centre R) for corticosteroid use.
- Assessment of in-hospital and 2-year corrected age outcomes using multivariable analysis.
Main Results:
- Centre P (hydrocortisone) had significantly lower bronchopulmonary dysplasia (BPD) rates (30% vs. 71%) compared to Centre R (betamethasone).
- Permissive corticosteroid use (Centre P) was associated with younger post-conceptional age at oxygen weaning and discharge.
- No significant difference in poor neurodevelopmental outcomes at 2 years corrected age between centers (18% vs. 30%).
Conclusions:
- Late hydrocortisone administration in ventilated extremely preterm infants is associated with reduced BPD.
- No apparent adverse effects on neurodevelopment were observed at two years corrected age with this approach.
Aim:
We assessed the outcomes of ventilated extremely premature infants treated with late postnatal corticosteroids from 2005-2008, according to permissive or restrictive policies in two centres.
Methods:
This retrospective study included inborn infants below 27 weeks of gestational age who were ventilator dependent after 14 days. Centre P permitted postnatal corticosteroids but centre R restricted their use. The effects on infants were assessed in hospital and after two years using multivariable analysis.
Results:
We compared 62 infants from centre P, including 92% who received hydrocortisone, and 48 infants from centre R, including 13% who received betamethasone. Infants from both centres had comparable baseline characteristics and perinatal management, but bronchopulmonary dysplasia (BPD) rates were significantly lower in centre P (30% versus 71%, p < 0.001) and this centre was significantly associated with a younger post-conceptional age at oxygen weaning, with an adjusted hazard ratio (aHR) of 0.45 and an aHR of 0.51at discharge. At two years of corrected age, 18% of centre P infants and 30% of centre R infants showed poor neurodevelopmental outcome (p = 0.18).
Conclusion:
Using hydrocortisone after 14 days on ventilated extremely preterm infants was associated with decreased BPD, with no apparent effects on neurodevelopment at two years of corrected age.
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