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3-5 year longitudinal follow-up of pediatric patients after acute renal failure

D J Askenazi1, D I Feig, N M Graham

  • 1Department of Pediatric Nephrology, Baylor College of Medicine, Houston, Texas, USA. daskenazi@peds.uab.edu

Kidney International
|December 24, 2005
PubMed

Insights

Children surviving acute renal failure (ARF) face significant risks of death and ongoing kidney injury. Long-term monitoring is crucial for these pediatric patients to manage potential renal sequelae.

Area of Science:

  • Pediatric Nephrology
  • Critical Care Medicine
  • Renal Physiology

Background:

  • Limited data exist on long-term outcomes following acute renal failure (ARF) in children.
  • Previous studies often focus on specific renal conditions, leaving a gap in understanding diverse ARF etiologies.

Purpose of the Study:

  • To evaluate the 3-5-year survival rates and incidence of renal injury in pediatric patients who experienced ARF.
  • To identify risk factors and long-term sequelae in children recovering from ARF.

Main Methods:

  • Retrospective analysis of survival data for 174 children discharged after ARF.
  • Assessment of residual renal injury in 29 children, including microalbuminuria, glomerular filtration rate (GFR), hypertension, and hematuria.
  • Inclusion of data from parents, physicians, and vital statistics records.

Main Results:

  • The 3-5-year survival rate for children discharged after ARF was 79.9%.
  • Overall survival, including in-hospital deaths, was 56.8%.
  • 59% of assessed children showed at least one sign of renal injury (microalbuminuria, hyperfiltration, decreased GFR, hypertension) 3-5 years post-ARF.

Conclusions:

  • Pediatric patients surviving ARF have a substantial risk of mortality and residual renal injury.
  • Primary renal/urologic conditions were associated with lower renal survival.
  • Periodic nephrological evaluation is essential for children post-ARF to manage chronic renal injury and improve outcomes.

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