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Published on: July 19, 2018
Hemodialysis in the pediatric patient: state of the art
1Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA. stuartg@bcm.tmc.edu
Insights
Pediatric hemodialysis outcomes require better measurement tools. This study proposes improved methods for assessing hemodialysis adequacy and discusses technological advances for pediatric end-stage renal disease (ESRD) patient care.
Area of Science:
- Pediatric Nephrology
- Renal Replacement Therapy
- Dialysis Technology
Background:
- Increasing prevalence of pediatric patients requiring hemodialysis.
- Lack of long-term outcome studies for children on hemodialysis.
- Challenges in measuring hemodialysis adequacy and quality of life in pediatric patients.
Purpose of the Study:
- To review issues surrounding hemodialysis adequacy measurement in children.
- To propose simple and accurate methods for estimating Kt/V and normalized protein catabolic rate (nPCR).
- To review technological advances for monitoring pediatric hemodialysis patients.
Main Methods:
- Review of existing literature on pediatric hemodialysis adequacy.
- Proposal of estimation methods for Kt/V and nPCR in children.
- Discussion of continuous noninvasive hematocrit monitoring and ultrasound dilution vascular access flow measurement.
Main Results:
- Proposed Kt/V and nPCR estimation methods facilitate widespread use for urea clearance and nutritional status assessment.
- Reviewed technologies offer potential for improved patient monitoring.
- Identified need for pediatric ESRD-specific quality of life assessment tools.
Conclusions:
- Improved methods for measuring hemodialysis adequacy are crucial for pediatric outcome studies.
- Technological advancements can enhance the care and monitoring of children undergoing hemodialysis.
- Further research is needed for both short-term and long-term outcomes in pediatric hemodialysis.
Abstract:
The prevalence of pediatric patients receiving hemodialysis as renal replacement therapy has increased over the past decade. Although numerous technologic advances have been developed and their impact assessed for adult patients receiving hemodialysis, no long-term outcome study currently exists for children receiving hemodialysis. Barriers to such study include the necessity for long-term multicenter participation to enroll enough patients to make definitive statements regarding outcome, lack of consensus for an acceptable and practical method for hemodialysis adequacy measurement in children, and the need for pediatric end-stage renal disease (ESRD)-specific tools for assessment of quality of life. The first part of this article reviews issues surrounding hemodialysis adequacy measurement in children. In particular, simple but accurate Kt/V and normalized protein catabolic rate (nPCR) estimation methods are proposed that should allow for more widespread use of Kt/V and nPCR for measurement of urea clearance and nutritional status in children receiving hemodialysis, important for both patient care and to control for hemodialysis adequacy in pediatric outcome studies. In addition, the principles and pediatric study of 2 technologic advances, continuous noninvasive monitoring of hematocrit and noninvasive ultrasound dilution vascular access flow measurement, are reviewed. Finally, suggestions are provided for future study pertinent to both short-term and long-term outcomes in children receiving hemodialysis.
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