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Arteriovenous hemodiafiltration in children.
The International Journal of Pediatric Nephrology
|October 1, 1986
Summary
Arteriovenous hemodiafiltration (CAVHDF) significantly enhances urea elimination in critically ill patients compared to continuous arteriovenous hemofiltration (CAVH). This renal replacement therapy is safe and effective for managing azotemia in hypercatabolic states.
Area of Science:
- Nephrology
- Critical Care Medicine
- Extracorporeal Therapies
Background:
- Continuous arteriovenous hemofiltration (CAVH) is a standard renal replacement therapy for critically ill patients.
- Hypercatabolic states can lead to inadequate urea elimination and elevated serum urea levels.
- Effective management of azotemia is crucial in intensive care settings.
Purpose of the Study:
- To describe the technique of arteriovenous hemodiafiltration (CAVHDF).
- To evaluate the efficiency of CAVHDF in enhancing urea elimination.
- To compare urea clearance between CAVH and CAVHDF.
Main Methods:
- Utilized two different hemofilters for CAVHDF.
- Measured urea clearance rates during CAVH and CAVHDF.
- Assessed the safety and tolerability of CAVHDF in pediatric patients.
Main Results:
- CAVHDF approximately doubled urea clearance compared to CAVH.
- Urea clearance with CAVHDF using a 0.1sqm hemofilter was 2.6 +/- 0.59 ml/min.
- Urea clearance with CAVHDF using a 0.6sqm hemofilter was 21.63 +/- 2.63 ml/min.
- CAVHDF demonstrated a safe and simple extracorporeal technique.
Conclusions:
- Arteriovenous hemodiafiltration is a safe and effective adjunct therapy for critically ill patients.
- CAVHDF significantly improves urea elimination, aiding in the control of azotemia.
- The technique is well-tolerated, even in pediatric populations.