Factors associated with mortality in acute renal failure (ARF) in children

Reyner Loza1, Luis Estremadoyro, César Loza

  • 1Nephrology Unit, Universidad Peruana Cayetano Heredia, Hospital Cayetano Heredia, Av. Honorio Delgado s/n, San Martín de Porras, Lima, Peru. reyfe@hotmail.com

Insights

Mortality in pediatric acute renal failure (ARF) is significantly influenced by oliguria and age. Sepsis also emerged as a critical factor impacting survival rates in children with ARF.

Area of Science:

  • Pediatric Nephrology
  • Critical Care Medicine
  • Epidemiology

Background:

  • Acute renal failure (ARF) in children presents a significant challenge in pediatric critical care.
  • Identifying factors associated with mortality is crucial for improving patient outcomes.

Purpose of the Study:

  • To investigate the key factors influencing mortality rates in pediatric patients diagnosed with acute renal failure.
  • To analyze the impact of various clinical parameters on survival in this vulnerable population.

Main Methods:

  • A cohort of 149 pediatric patients with ARF was studied.
  • Data on age, gender, renal damage mechanism, and clinical type (oligoanuric/septic) were collected.
  • Statistical analyses included multiple logistic regression, Cox survival analysis, and Kaplan-Meier curves.

Main Results:

  • The most affected age groups were newborns and infants.
  • Ischemic mechanisms and non-oliguric types were most frequent.
  • Multiple logistic regression identified oliguria and age group as mortality predictors. Cox analysis linked oliguria and sepsis to mortality.
  • Survival probability decreased significantly with time, particularly in the presence of oliguria or sepsis.

Conclusions:

  • Oliguria, advanced age (newborns and infants), and sepsis are independently associated with increased mortality in children with ARF.
  • These findings highlight critical targets for intervention and management strategies in pediatric ARF.
Abstract

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