Abstract
Objective
Examine the effect of off-label surfactant on mortality and morbidity in more mature and larger premature infants diagnosed with respiratory distress syndrome (RDS).
Study design
Cohort study of premature infants born at 30–36 weeks, birth weight > 2 kg, and a diagnosis of RDS. We compared the odds of mortality and morbidity between infants who were exposed vs unexposed to surfactant. We used a treatment effects model to balance covariates between groups.
Results
Of 54,964 included infants, 25,278 (46%) were exposed to surfactant. The frequency of mortality and morbidities were higher in the exposed group in unadjusted analyses. Following adjustment with a doubly robust treatment effects model, we found no significant treatment effect of surfactant on mortality or morbidity.
Conclusion
Surfactant exposure is not associated with reduced or increased mortality or morbidity in more mature premature infants with RDS.
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WJ, MML, DKB, and CPH conceived and designed the analysis. WJ and DKB performed the analysis and wrote the first draft of the manuscript. CPH, MML, GT, NAB, KZ, RC, and RGG reviewed and made significant edits to the manuscript.
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Jackson, W., Taylor, G., Bamat, N.A. et al. Outcomes associated with surfactant in more mature and larger premature infants with respiratory distress syndrome. J Perinatol 40, 1171–1177 (2020). https://doi.org/10.1038/s41372-020-0625-1
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DOI: https://doi.org/10.1038/s41372-020-0625-1