Paediatric RIFLE and AKIN Classification for Detection and Outcome of Acute Kidney Injury in Critically Sick Children. Which is Better? A Prospective Cohort Study

  • Pareshkumar A Thakkar Department of Pediatrics, Medical College & SSG Hospital, Vadodara, Gujarat
  • Neha Pandey University Hospital Wales, Cardiff
  • Kalpita S Shringarpure Department of PSM, Medical College Baroda http://orcid.org/0000-0003-2203-9419
Keywords: Acute Kidney Injury, Acute Kidney Injury Network, Pediatric intensive care unit, Pediatric RIFLE, mortality

Abstract

Introduction: Acute Kidney Injury (AKI) is becoming increasingly common in both developed and developing countries with significant morbidity and mortality. However, the precise incidence of AKI in children is not well known due to lack of uniformity in various definitions of AKI. This study was carried out to compare incidence of AKI using two different definitions-pRIFLE and AKIN.

Material and Methods: This was a prospective cohort study conducted in the paediatric ICU of a tertiary care government hospital attached to a Medical College of Central Gujarat, India. Total 115 critically ill paediatric patients aged one month to 12 years were included in the study. Serum Creatinine (SCr) levels were tested and Glomerular filtration rate (GFR) was calculated using the Schwartz formula at 0, 6, 12, 24 and 48 hours of admission. Patients were assessed for AKI using AKIN and pRIFLE classification.

Results: Incidence of AKI was 80% and 66.9% in critically ill children, as classified by pRIFLE and AKIN classification respectively. Paediatric RIFLE labelled 15 more patients as AKI which were classified as non-AKI by AKIN criteria. There was moderate agreement in between the two classifications to diagnose stages of AKI (Kappa 0.474, CI- 0.359 to 0.589). With increasing grades of AKI, mortality was higher using pRIFLE staging; unlike the AKIN staging wherein this was not observed.

Conclusion: The pRIFLE criteria detects a greater number of cases of AKI compared to AKIN criteria. Based on severity staging, pRIFLE is more consistent with adverse outcome of patients with AKI compared to AKIN classification. Overall mortality is significant high in patients with AKI compared to patients without AKI using any of the classifications.  

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Author Biographies

Pareshkumar A Thakkar, Department of Pediatrics, Medical College & SSG Hospital, Vadodara, Gujarat

Associate Professor, Pediatrics

Neha Pandey, University Hospital Wales, Cardiff
Fellow in Neonatology
Kalpita S Shringarpure, Department of PSM, Medical College Baroda

Tutor, Department of PSM

Published
2018-11-19
How to Cite
Thakkar, P., Pandey, N., & Shringarpure, K. (2018). Paediatric RIFLE and AKIN Classification for Detection and Outcome of Acute Kidney Injury in Critically Sick Children. Which is Better? A Prospective Cohort Study. Journal of Nepal Paediatric Society, 38(1), 31-37. https://doi.org/10.3126/jnps.v38i1.19767
Section
Original Articles