Epidemiology of chronic renal failure in children: a report from Sweden 1986-1994. Swedish Pediatric Nephrology

E Esbjörner1, U Berg, S Hansson

  • 1Department of Pediatrics, Orebro Medical Center Hospital, Sweden.

Insights

Pediatric chronic renal failure (CRF) in Sweden showed an increasing prevalence of terminal renal failure (TRF) from 1986-1994, likely due to improved uremia treatment and lower mortality. Congenital causes predominated.

Area of Science:

  • Pediatric Nephrology
  • Public Health Epidemiology
  • Renal Medicine

Background:

  • Chronic renal failure (CRF) in children presents unique challenges in diagnosis and management.
  • Understanding epidemiological trends in pediatric CRF is crucial for resource allocation and public health initiatives.

Purpose of the Study:

  • To analyze the incidence and prevalence of chronic renal failure (CRF) and terminal renal failure (TRF) in Swedish children between 1986 and 1994.
  • To investigate the causes of pediatric CRF and compare findings with previous study periods.
  • To assess changes in treatment approaches for uremia in pediatric patients.

Main Methods:

  • A national survey was conducted in Sweden, identifying 118 children with CRF (glomerular filtration rate < 30 ml/min/1.73 m²).
  • Data on incidence, prevalence, causes, and outcomes (including TRF) were collected and analyzed.
  • Comparison with data from an earlier period (1978-1985) was performed.

Main Results:

  • The median annual incidence of CRF was 7.7 and TRF was 6.4 per million children.
  • Prevalence of TRF increased significantly from 17.8 to 38 per million children (1986-1994).
  • Congenital causes accounted for 67.5% of pediatric CRF cases; no cases of non-obstructive pyelonephritis were identified.

Conclusions:

  • Increased TRF prevalence suggests more active uremia management and reduced mortality in Swedish children.
  • Congenital renal malformations are a major cause of pediatric CRF in Sweden.
  • Further research may be needed to refine the assessment of time from CRF to TRF given that many children do not progress to TRF by age 16.

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