Acute Kidney Injury in Non-critically Ill Children and Correlation With Cystatin C in the Diagnosis of Acute Kidney Injury: A Single Centre Prospective Cohort Study Cystatin C in Acute Kidney Injury
Journal of Pediatric Nephrology,
Vol. 10 No. 4 (2022),
15 March 2023
https://doi.org/10.22037/jpn.v10i4.40341
Abstract
Background and Aim: Acute kidney injury (AKI) is an acute decline in function and inability
to regulate acid, electrolyte, and fluid balance. AKI can be classified as community-acquired
AKI (CA-AKI) and hospital-acquired AKI (HA-AKI) depending on the time of onset. Most
studies have been conducted on critically ill populations, mainly considering the HA-AKI
cases. Limited studies were conducted on CA-AKI, especially in non-critically ill children.
Methods: A prospective cohort study in 505 non-critically ill hospitalized children (1
month to 12 years) after screening 750 children. Baseline creatinine was calculated using a
computational method assuming a normal glomerular filtration rate (GFR) for age, hence all
communities, as well as hospital-acquired AKI, were included. Kidney disease improving
global outcome (KDIGO) criteria was used for classification and also serum cystatin -C
levels were done to diagnose AKI.
Results: Fifteen percent (15.64%) of children had AKI, of which 83.54% had CA-AKI and
16.46% had HA-AKI. Of all patients with AKI, 54.43% were exposed to nephrotoxic drugs
and 53.49% (23) had received 2 or more nephrotoxic drugs, and 34.18% of patients had
sepsis, 35.44% of patients had dehydration. Patients with HA-AKI had a significantly longer
duration of stay (15.23±5.42 days) compared to CA-AKI patients (7.48±6.42 days) and were
also exposed to nephrotoxic drugs. Cystatin C had a specificity of 88.50% and a negative
predictive value of 93.80%.
Conclusion: Non-critically ill hospitalized children are at significant risk for AKI and need
more vigilant monitoring. CA-AKI should be detected proactively because they are often
underreported. Cystatin-C has good specificity and negative predictive value for diagnosing
AKI.
- Acute kidney injury (AKI),
- Non-critically ill children
- Kidney disease improving global outcome (KDIGO)
- Cystatin-C
How to Cite
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