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Open Access 24-10-2024 | Acute Kidney Injury | Original Article

Outcomes of acute kidney injury continuum in children

Authors: Flavia Chisavu, Mihai Gafencu, Ramona Stroescu, Lazar Chisavu, Adalbert Schiller

Published in: Journal of Nephrology

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Abstract

Background

Acute kidney injury (AKI) is associated with high morbidity and mortality. The continuum of kidney damage after an AKI episode is poorly explored in the paediatric population.

Methods

We performed a retrospective cohort study on 2346 children with AKI from a tertiary care hospital in Romania over a 9-year period. The main objective was to evaluate the impact of AKI duration on mortality and the risk of new-onset chronic kidney disease (CKD).

Results

Out of 2346 AKI patients, transient AKI was present in 655 patients (27.9%), persistent AKI in 1009 children (43%) and acute kidney disease in 682 patients (29.1%). In contrast to transient AKI, children who developed acute kidney disease were younger, with a higher degree of anaemia, lower number of platelets, higher procalcitonin, higher LDH, higher GGT, higher urea and higher serum creatinine levels. The pre-renal cause of AKI was the leading cause regardless of AKI duration. As kidney injury progressed over time, there was an increasing incidence of the intrinsic causes of AKI (11.1% in transient AKI, 13.2% in persistent AKI and 22.6% in acute kidney disease). Acute kidney disease patients had the highest mortality rate (16.42%), followed by transient AKI (14.66%) and persistent AKI (9.81%). Overall mortality increased in the presence of renal microvascular alterations, acute tubular necrosis, lower haemoglobin, serum proteins and platelets, and higher procalcitonin levels.

Conclusions

The continuum of AKI expressed as acute kidney disease resulted in an increased risk of new-onset CKD. CKD was influenced by the intrinsic cause of AKI and not by AKI severity.

Graphical abstract

Appendix
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Literature
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go back to reference Nagata K, Horino T, Hatakeyama Y, Matsumoto T, Terada Y, Okuhara (2021) Effects of transient acute kidney injury, persistent acute kidney injury and acute kidney disease on the long–term renal prognosis after an initial acute kidney injury event. Nephrology (Carlton) 26(4):312–318. https://doi.org/10.1111/nep.13831CrossRefPubMed Nagata K, Horino T, Hatakeyama Y, Matsumoto T, Terada Y, Okuhara (2021) Effects of transient acute kidney injury, persistent acute kidney injury and acute kidney disease on the long–term renal prognosis after an initial acute kidney injury event. Nephrology (Carlton) 26(4):312–318. https://​doi.​org/​10.​1111/​nep.​13831CrossRefPubMed
Metadata
Title
Outcomes of acute kidney injury continuum in children
Authors
Flavia Chisavu
Mihai Gafencu
Ramona Stroescu
Lazar Chisavu
Adalbert Schiller
Publication date
24-10-2024
Publisher
Springer International Publishing
Published in
Journal of Nephrology
Print ISSN: 1121-8428
Electronic ISSN: 1724-6059
DOI
https://doi.org/10.1007/s40620-024-02097-1

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