Epidemiology
- Incidence of oliguria or anuria is unknown in previously healthy children.
- In hospitalized patients
- Oliguric acute renal failure (ARF) occurs in:
- 10% of newborns in the intensive care unit
- 23% of older children requiring intensive care
- 8% of patients undergoing cardiac surgery
- Prevalence of ARF in newborns
- Prerenal: 85%
- Renal: 11%
- Postrenal: 3%
- Prevalence of ARF in older children
- Prerenal: 66%
- Renal: 33%
- Postrenal: < 1%
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