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Improved growth velocity with intensive dialysis. Consequence or coincidence?
1Department of Pediatrics, University of Minnesota, Minneapolis 55455-0392, USA.
Insights
Intensive dialysis in an infant with end-stage renal disease and primary hyperoxaluria type I led to significant growth acceleration. This suggests dialysis dose may be crucial for growth in pediatric kidney failure patients.
Area of Science:
- Pediatric Nephrology
- Renal Disease Research
- Metabolic Disorders
Background:
- Growth failure is a significant challenge in children with end-stage renal disease (ESRD).
- Primary hyperoxaluria type I is a rare genetic disorder leading to oxalate accumulation and kidney damage.
- Optimizing growth in infants with ESRD requires innovative treatment strategies.
Observation:
- A 2.5-month-old infant with ESRD due to primary hyperoxaluria type I underwent intensive dialysis.
- The dialysis regimen focused on reducing oxalate deposition in tissues.
- The infant was monitored over a 5.5-month period while awaiting a kidney transplant.
Findings:
- The infant exhibited a remarkable growth velocity of 29 cm/year.
- This growth rate significantly surpassed that of infants on standard hemodialysis (4 cm/year) and normal infants (22 cm/year).
- The accelerated growth is hypothesized to be linked to the intensive dialysis regimen and its effect on oxalate accretion.
Implications:
- Intensive dialysis may promote catch-up growth in pediatric ESRD patients.
- The delivered dialysis dose could be a critical factor influencing growth in this population.
- Further investigation through prospective randomized trials is warranted to confirm this relationship and optimize treatment protocols.
Abstract:
Growth failure in children with end-stage renal disease remains a difficult problem. A 2.5-month-old baby in renal failure due to primary hyperoxaluria type I received intensive dialysis aimed at decreasing oxalate tissue accretion. Over 5.5 months, while awaiting transplantation, his growth velocity was 29 cm/year compared with an average 4 cm/year in infants on hemodialysis and 22 cm/year in normal infants of this age. This remarkable growth rate, which could have represented catch-up growth, is hypothesized to be related to the delivered dialysis dose. It is suggested that this relationship be evaluated in a prospective randomized trial.