Acute kidney injury in critically ill children: incidence and risk factors for mortality

Insights

Acute kidney injury (AKI) affects 4.4% of critically ill children. The need for dialysis emerged as a significant independent risk factor for mortality in these vulnerable patients.

Area of Science:

  • Pediatric Intensive Care
  • Nephrology
  • Critical Care Medicine

Background:

  • Acute kidney injury (AKI) is a frequent complication in critically ill children.
  • AKI is associated with increased mortality rates in pediatric intensive care units (ICUs).

Purpose of the Study:

  • To determine the incidence of AKI in critically ill children.
  • To identify risk factors associated with mortality in pediatric ICU patients with AKI.

Main Methods:

  • Prospective, observational study conducted in a pediatric ICU from 2005 to 2009.
  • Inclusion of all patients with AKI, excluding specific conditions like chronic renal failure and newborns.
  • Univariate and multivariate analyses were used to identify mortality risk factors.

Main Results:

  • The incidence of AKI was 4.4% (66 out of 1496 patients).
  • The overall mortality rate among patients with AKI was 44%.
  • Anuria and the need for dialysis were significantly higher in deceased patients; dialysis was an independent predictor of mortality.

Conclusions:

  • The incidence of acute kidney injury in critically ill children is 4.4%.
  • The need for dialysis is an independent predictor of mortality in this population.
Abstract

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