• J C Gómez Polo, A J Alcaraz Romero, M A Gil-Ruíz Gil-Esparza, J López-Herce Cid, M García San Prudencio, S N Fernández Lafever, and A Carrillo Álvarez.
• Servicio de Cuidados Intensivos Pediátricos, Hospital General Universitario Gregorio Marañón, Madrid, España.
• Med Intensiva. 2013 Sep 17.

AimTo describe the morbimortality associated to the development of acute kidney injury (AKI) defined by the pediatric adaptation of the RIFLE criteria in a Pediatric Intensive Care Unit (PICU).DesignA retrospective cohort study was carried out.SettingChildren admitted to a PICU in a tertiary care hospital. Patients or participants A total of 320 children admitted to a tertiary care hospital PICU during the year 2011. Neonates and renal transplant patients were excluded. Primary endpoints AKI was defined and classified according to the pediatric adaptation to the RIFLE criteria. PICU and hospital stays, use of mechanical ventilation and mortality were used to evaluate morbimortality.ResultsA total of 315 children met the inclusion criteria, with a median age of 19 months (range 6-72). Of these patients, 128 presented AKI (73 reached the Risk category and 55 reached the Injury and Failure categories). Children with AKI presented a longer PICU stay (6.0 [4.0-12.5] vs. 3.5 [2.0-7.0] days) and hospital stay (17 [10-32] vs. 10 [7-15] days), and a greater need for mechanical ventilation (61.7 vs. 36.9%). The development of AKI was an independent factor of morbidity, associated with a longer PICU and hospital stay, and with a need for longer mechanical ventilation, with a proportional relationship between increasing morbidity and the severity of AKI.ConclusionThe development of AKI in critically ill children is associated with increased morbimortality, which is proportional to the severity of renal injury.Copyright © 2013 Elsevier España, S.L. y SEMICYUC. All rights reserved.

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