Abstract
Background
Acute kidney injury (AKI) is common in the pediatric intensive care unit (ICU) and is associated with poorer clinical outcomes. There is scarce data to support an association between nutritional status and nutrient delivery in critically ill pediatric patients. Therefore, the present study aimed to identify the nutritional and clinical factors associated with the development of AKI during pediatric ICU stay.
Methods
This prospective study included critically ill pediatric patients aged < 15 years who were admitted to the medical and surgical pediatric ICU. Clinical, laboratory, nutritional status, nutritional therapy parameters, and AKI data were recorded. Adjusted logistic regression was applied and expressed as odds ratio (OR) and 95% confidence interval (95%CI). P-value < 0.05 was considered significant.
Results
We enrolled 108 patients with a median age of 9 months (interquartile range/IQR 2.4–62.5), and 43.5% developed AKI. Sepsis/septic shock (OR 8.00; 95% CI 2.06–32.51, p = 0.003), higher severity of illness (OR 1.89; 95% CI 1.24–2.90, p = 0.003), hypoalbuminemia (OR 4.11; 95% CI 1.61–10.46, p = 0.006), edema (OR 3.42, 95% CI 1.10–10.67, p = 0.034), fluid overload (OR 3.52, 95% CI 1.56–7.96, p = 0.003), need for mechanical ventilation (OR 3.62, 95% CI 1.45–9.04, p = 0.006) and adequate protein intake (OR 0.79, 95% CI 0.63–1.00, p = 0.048) were associated with development of AKI.
Conclusions
Hypoalbuminemia, need for mechanical ventilation, fluid overload, severity of illness, sepsis/septic shock, and edema were risk factors for AKI in pediatric ICU. Furthermore, adequate protein intake is associated with AKI during pediatric ICU stay, making it important to implement nutritional assessment and nutritional therapy protocols for critically ill pediatric patients.
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Data availability
The datasets used and analyzed during the current study are available from the corresponding author on reasonable request.
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Ana Luiza Cim Ribeiro de Souza, Alberto Piovezani, Julia Carvalho Ventura, Maria Goretti Moreira Guimarães Penido, Nilzete Liberato Bresolin and Yara Maria Franco Moreno, were responsible and approved the research idea, study design, data acquisition, supervision or mentorship, article writing and the version to be published.
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The authors declare no conflicts of interest between the investigators and the patients, and other institutions.
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This study is part of a national multicenter project of pediatric ICUs with the aim of identifying nutritional and clinical variables that predict nutritional status deterioration—PICU-ScREEN Study (Pediatric Intensive Care Unit Score of Risk for Early prEdiction of Nutritional deterioration). The PICU-ScREEN study was approved by the local Institutional Review Board (no 2.471.812) and the Joana de Gusmão Children’s Hospital (no 2.714.446). The present study was approved by the local Institutional Review Board of the same Hospital (no 4.443.316).
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The study including human participants has been performed in the accordance with the Declaration of Helsinki and its later amendments.
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Ribeiro de Souza, A.L.C., Piovezani, A., Ventura, J.C. et al. Nutritional and clinical factors associated with acute kidney injury development in critically ill children. J Nephrol 36, 2601–2611 (2023). https://doi.org/10.1007/s40620-023-01787-6
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DOI: https://doi.org/10.1007/s40620-023-01787-6