Vitamin B6 in Pediatric Renal Transplant Recipients

Matthew Harmer1, Stephen Wootton2, Rodney Gilbert3

  • 1Department of Paediatric Nephrology, Southampton Children's Hospital, University Hospital Southampton NHS Foundation Trust, Southampton, UK; Faculty of Medicine, University of Southampton, Southampton, UK; NIHR Southampton Biomedical Research Centre-Nutrition, University Hospital Southampton NHS Foundation Trust, Southampton General Hospital, E level, Southampton, UK.

Insights

This study found that pediatric renal transplant recipients generally have adequate vitamin B6 levels, with 20% showing elevated serum Pyridoxal 5'-phosphate (PLP). Vitamin B6 intake was not excessive in these children.

Area of Science:

  • Pediatric Nephrology
  • Nutritional Biochemistry
  • Transplantation Medicine

Background:

  • Vitamin B6 status is crucial for overall health, particularly in vulnerable populations.
  • Limited data exists on vitamin B6 status in pediatric renal transplant recipients.
  • Elevated serum Pyridoxal 5 extquotesingle-phosphate (PLP) has been observed in adult transplant recipients.

Purpose of the Study:

  • To evaluate vitamin B6 intake and biochemical status in children post-renal transplantation.
  • To assess serum Pyridoxal 5 extquotesingle-phosphate (PLP) levels and dietary vitamin B6 intake.
  • To identify potential deficiencies or excesses of vitamin B6 in this population.

Main Methods:

  • Prospective observational study involving 10 pediatric renal transplant recipients.
  • Dietary assessment to determine vitamin B6 intake.
  • Measurement of serum Pyridoxal 5 extquotesingle-phosphate (PLP) concentrations.

Main Results:

  • Median serum PLP concentration was 62.45 nmol/L.
  • 20% of children had elevated serum PLP levels; none had deficient levels.
  • Mean vitamin B6 intake was 138.7% of the reference nutrient intake.
  • No children received vitamin B6 supplementation.

Conclusions:

  • Pediatric renal transplant recipients in this cohort did not exhibit vitamin B6 deficiency.
  • A subset of children presented with elevated serum PLP, despite non-excessive dietary intake.
  • Further research into vitamin B6 metabolism in pediatric transplant recipients is warranted.
Abstract

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