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Prophylactic Indomethacin in extremely preterm infants: association with death or BPD and observed early serum creatinine levels

Abstract

Objectives

To identify the relationship between prophylactic indomethacin (PI) administration and (1) mortality and bronchopulmonary dysplasia (BPD) at 36-week postmenstrual age (PMA) (primary outcome), and (2) to evaluate for PI-associated acute kidney injury.

Study design

Retrospective cohort investigation of 22–28 weeks gestation infants (N = 1167) who were admitted to Nationwide Children’s Hospital on postnatal days 0–1 between May 2009 and September 2017 and survived ≥24-h postnatal. The associations of PI treatment with mortality or BPD, and other secondary outcomes, were evaluated via multivariable robust-error-variance Poisson regression.

Results

The adjusted risks of death or BPD (1.02, 95% CI: 0.83, 1.25), BPD (0.97, 95% CI: 0.77, 1.21), and death 1.33 (95% CI: 0.84, 2.10) by 36-week PMA were unchanged following PI treatment after multivariable adjustment. No changes in mean creatinine levels were detected in exposed versus unexposed infants to suggest PI-induced AKI.

Conclusion

Prophylactic indomethacin treatment was unrelated to mortality or BPD outcomes.

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Fig. 1: Medium serum creatinine levels measured in the first postnatal week.

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Acknowledgements

This work was supported by the National Institutes of Health [R01HL145032] and Nationwide Children’s Hospital.

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Contributions

HHA and JLS designed, analyzed, interpreted, drafted, revised, and approved the final version of the manuscript. CHB, MKB, MMT, MAK, SRJ, and THM interpreted, revised, and approved the final version.

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Correspondence to Jonathan L. Slaughter.

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Abdi, H.H., Backes, C.H., Ball, M.K. et al. Prophylactic Indomethacin in extremely preterm infants: association with death or BPD and observed early serum creatinine levels. J Perinatol 41, 749–755 (2021). https://doi.org/10.1038/s41372-021-00995-x

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