Abstract
Background
Continuous kidney replacement therapy (CKRT) is a mainstay of therapy for management of severe acute kidney injury (AKI) in critically ill pediatric patients. There is limited data on the risk of chronic kidney disease (CKD) after discharge in this population.
Methods
This is a single-center, retrospective cohort study of all pediatric patients ages 0–17 years who received CKRT from 2013 to 2017. The study excluded patients with pre-existing CKD, those who died prior to discharge, and those who had insufficient follow-up data. Patients were followed after hospital discharge and electronic health record data was collected and analyzed to assess for incidence of and risk factors for kidney sequelae.
Results
A total of 42 patients were followed at a median time of 27 months (IQR 17.2, 39.8). Of these, 26.2% had evidence of CKD and 19% were at risk for CKD. Lower eGFR at hospital discharge was associated with increased odds of kidney sequelae (aOR 0.985; 95% CI 0.972, 0.996). Ages 0– < 1 and 12–17 were not significantly different (aOR 0.235, 95% CI 0.024, 1.718) and had the highest incidence of kidney sequelae (50% and 77%, respectively). Ages 1–5 and 6–11 had a decreased odds of kidney sequelae compared to the 12–17 year age group (aOR 0.098; 95% CI 0.009, 0.703 and aOR 0.035; 95% CI 0.001, 0.39, respectively). Only 54.8% of patients (n = 23) were seen in the nephrology clinic after discharge.
Conclusions
Patients who receive CKRT for AKI have a significant risk of CKD, while follow-up with a pediatric nephrologist in these high-risk patients is sub-optimal.
Graphical abstract
A higher resolution version of the Graphical abstract is available as Supplementary information
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Data availability
The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
Code availability
Analyses were performed using R version 4.1.0 within RStudio version 1.4.1717. R Core Team (2021). R: a language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. https://www.R-project.org/.
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Conceptualization: JF, DN; methodology: JF, DN; data curation: MK, DN; investigation: JF; formal analysis and validation: JA; writing — original draft preparation: JF; writing — review and editing: JF, DN, MB, MK, JA; supervision: DN.
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This study was approved as exempt status by the Ann & Robert H. Lurie Children’s Hospital of Chicago Institutional Review Board (IRB 2019–2746) due to the research study posing minimal risk to study participants and involving only information collection and analysis of identifiable health information when that use is regulated under the HIPAA Privacy Rule for the purposes of “health care operations” or “research.” The study was conducted in accordance with the Declaration of Helsinki.
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Frisby-Zedan, J., Barhight, M.F., Keswani, M. et al. Long-term kidney outcomes in children following continuous kidney replacement therapy. Pediatr Nephrol 38, 565–572 (2023). https://doi.org/10.1007/s00467-022-05579-1
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DOI: https://doi.org/10.1007/s00467-022-05579-1