Abstract
Background
Diuretics are commonly used in neonatal AKI with the rationale to decrease positive fluid balance in critically sick neonates. The patterns of furosemide use vary among hospitals, which necessitates the need for a well-designed study.
Methods
The TINKER (The Indian Iconic Neonatal Kidney Educational Registry) study provides a database, spanning 14 centres across India since August 2018. Admitted neonates (≤ 28 days) receiving intravenous fluids for at least 48 h were included. Neonatal KDIGO criteria were used for the AKI diagnosis. Detailed clinical and laboratory parameters were collected, including the indications of furosemide use, detailed dosing, and the duration of furosemide use (in days).
Results
A total of 600 neonates with AKI were included. Furosemide was used in 8.8% of the neonates (53/600). Common indications of furosemide use were significant cardiac disease, fluid overload, oliguria, BPD, RDS, hypertension, and hyperkalemia. The odds of mortality was higher in neonates < 37 weeks gestational age with AKI who received furosemide compared to those who did not receive furosemide 3.78 [(1.60–8.94); p = 0.003; univariate analysis] and [3.30 (1.11–9.82); p = 0.03]; multivariate logistic regression].
Conclusions
In preterm neonates with AKI, mortality was independently associated with furosemide treatment. The furosemide usage rates were higher in neonates with associated co-morbidities, i.e. significant cardiac diseases or surgical interventions. Sicker babies needed more resuscitation at birth, and died early, and hence needed shorter furosemide courses. Thus, survival probability was higher in neonates treated with long furosemide courses vs. short courses.
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This study was a result of support received from ISN Clinical Research Grant 2017.
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Both Dr. Rupesh Raina and Dr. Sidharth Kumar Sethi contributed equally and shall be first authors.
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Raina, R., Sethi, S.K., Agrawal, G. et al. Use of furosemide in preterm neonates with acute kidney injury is associated with increased mortality: results from the TINKER registry. Pediatr Nephrol 39, 857–865 (2024). https://doi.org/10.1007/s00467-023-06086-7
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DOI: https://doi.org/10.1007/s00467-023-06086-7