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Updated: Mar 25, 2026

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Published on: August 10, 2015
Pediatric Continuous Renal Replacement Therapy
Insights
Continuous renal replacement therapy (CRRT) in critically ill children is necessary for about 5% of patients, with a 60% mortality rate. Outcomes depend on age, organ dysfunction, and fluid overload, requiring further trial evaluation.
Area of Science:
- Pediatric Nephrology
- Critical Care Medicine
- Renal Replacement Therapy
Background:
- Continuous renal replacement therapy (CRRT) and peritoneal dialysis are primary treatments for severe acute kidney injury in critically ill children.
- Understanding the epidemiology and outcomes of acute pediatric dialysis is crucial.
Purpose of the Study:
- To review the epidemiology and outcomes of acute dialysis in critically ill children.
- To highlight factors influencing CRRT outcomes and future research directions.
Main Methods:
- Review of data from the prospective pediatric CRRT (pCRRT) registry.
- Analysis of epidemiologic information and patient outcomes.
Main Results:
- pCRRT is utilized in approximately 5% of pediatric intensive care unit patients.
- The mortality rate for these patients is around 60%.
- CRRT outcomes are significantly linked to patient age, multiple organ dysfunction syndrome, and pre-CRRT fluid overload.
Conclusions:
- pCRRT outcomes are influenced by age, MODS, and fluid overload.
- Further prospective trials are needed to evaluate the timing and dose of pCRRT.
- Advancements in CRRT technology are expected to improve patient outcomes and facilitate earlier dialysis initiation.
Background:
Continuous renal replacement therapy (CRRT) and peritoneal dialysis are the preferred forms of dialysis delivery in critically ill children for the treatment of severe acute kidney injury. The epidemiology and the outcome of acute pediatric dialysis will be reviewed.
Summary:
The prospective pediatric CRRT (pCRRT) registry has provided important epidemiologic information: pCRRT is required in about 5% of patients in pediatric intensive care units, and the mortality rate of these patients is about 60%. CRRT outcomes are significantly associated with age, the presence of multiple organ dysfunction syndrome and the amount of fluid overload in children before CRRT inception. The timing and the dose of pCRRT are to be further evaluated in prospective trials. A final aspect worthy of review is a technical issue: the accuracy of new-generation CRRT monitors and novel dedicated circuits that have been developed. In future years, the delivery and the outcome of pCRRT are expected to significantly improve, with the target of expanding and anticipating dialysis initiation in critically ill pediatric patients.
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