• Elhanan Nahum, Gili Kadmon, Eytan Kaplan, Avichai Weissbach, Hanan Hijazi, Orly Haskin, and Yael Mozer-Glassberg.
• Pediatric Intensive Care Unit, Schneider Children's Medical Center of Israel, Petach Tikva, Affiliated With Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel. Electronic address: enahum@clalit.org.il.
• J Crit Care. 2019 Apr 1; 50: 275-279.

PurposeTo compare the application of three standardized definitions of acute kidney injury (AKI), using corrected serum creatinine values, in children immediately after liver transplantation.MethodsRetrospective search of a tertiary pediatric hospital database yielded 77 patients (age < 18 years) who underwent liver transplantation in 2007-2017. Serum creatinine levels during the 24 h before and after surgery were corrected to daily fluid balance, and the prevalence of AKI was calculated using the Pediatric RIFLE (pRIFLE), AKI Network (AKIN), and Kidney Disease Improving Global Outcomes (KDIGO) criteria.ResultsAKI occurred in 44 children (57%) according to the pRIFLE criteria (stage I, 34%; stage II, 10%, stage III, 13%) and 33 children (43%) according to the AKIN and KDIGO criteria (stage I, 20%; stage II, 10%; stage III, 13%). There was a good correlation (kappa = 0.78) among the three criteria. AKI was associated with longer duration of mechanical ventilation (5.5 ± 6.2 vs 3.6 ± 4.0 days, p < .05) and longer ICU stay (15.2 ± 8.8 vs 12.1 ± 7.5 days, p < .05). Serum creatinine normalized in all patients (mean, 0.43 ± 0.17 mg/dl) by one year.ConclusionsThere is a good correlation among the three criteria defining AKI in pediatric liver transplant recipients. AKI is highly prevalent in this patient group and confers a worse ICU course.Copyright © 2019. Published by Elsevier Inc.

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