Objective: This study aimed to determine the effect of intratracheal instillation of a budesonide-surfactant combination on the incidence of bronchopulmonary dysplasia (BPD) or death compared with surfactant alone in extremely preterm infants.
Study design: In this retrospective, single-center study, we included extremely preterm infants (<28 weeks' gestation) who received surfactant for respiratory distress in the first 3 days of life. We compared infants who received budesonide-surfactant combination (intervention group: infants born between February 2016 and October 2021) with surfactant alone (control group: infants born from January 2010 through January 2016). The primary outcome was a composite of BPD grade 2 or 3 (as defined by Jensen et al, 2019) or death before 36 weeks' postmenstrual age (PMA).
Results: We included 966 extremely preterm infants (528 in the control group and 438 in the intervention group). While the incidence of death/BPD grade 2 or 3 at 36 weeks of PMA was not different between the two groups (66% in the intervention group vs. 63% in the control group; adjusted relative risk [aRR], 0.99; 95% confidence interval [CI], 0.90-1.07; p-value = 0.69), budesonide was associated with a reduction in the primary outcome only in a subgroup of infants with birth weight ≥ 750 grams (36.8 vs. 43.5%, respectively; aRR 0.75; 95% CI, 0.57-0.98). Primary and secondary outcomes did not differ between the two groups within the subgroup of infants weighing <750 grams.
Conclusion: In extremely preterm infants, the budesonide-surfactant combination therapy reduced the rates of BPD or death in infants weighing ≥750 grams; however, this beneficial effect was not seen in infants weighing <750 grams. Further investigation of this treatment may be indicated before it is considered a standard approach to management.
Key points: · Intratracheal budesonide-surfactant therapy reduces BPD in preterm infants weighing ≥750 grams.. · Intratracheal budesonide-surfactant therapy does not affect BPD in preterm infants weighing <750 grams.. · Intratracheal budesonide-surfactant therapy does not affect the mortality rate in preterm infants..
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