The urinary excretions of iron and chromium by children with burns and scalds

Insights

Urinary chromium and iron excretion varies in burned children. Increased chromium loss may link to higher blood glucose, while decreased loss suggests low body chromium. Iron levels rise post-burn, but supplements aren't usually needed.

Area of Science:

  • Biochemistry
  • Pediatric Medicine
  • Nutritional Science

Background:

  • Burn injuries significantly impact metabolic processes.
  • Children exhibit unique physiological responses to thermal trauma.
  • Trace element metabolism, including chromium and iron, is crucial for recovery.

Purpose of the Study:

  • To investigate urinary chromium and iron excretion patterns in pediatric burn patients.
  • To explore the relationship between chromium excretion and plasma glucose levels post-injury.
  • To assess iron loss and the potential need for nutritional supplementation in the acute phase of burns.

Main Methods:

  • Analysis of urinary chromium and iron levels in children following burns.
  • Correlation of urinary trace element excretion with plasma glucose concentrations.
  • Monitoring of iron/chromium ratios and total iron loss over time.

Main Results:

  • Significant variability observed in daily urinary chromium output.
  • Increased chromium excretion correlated with elevated plasma glucose post-injury.
  • Reduced chromium excretion potentially linked to depleted body chromium stores.
  • A significant increase in iron excretion occurred within the first seven days post-burn.
  • The iron/chromium ratio elevated during the initial seven days after injury.

Conclusions:

  • Urinary chromium excretion is highly variable in burned children and may reflect glucose metabolism and chromium status.
  • Increased iron excretion is noted in the early post-burn period.
  • Total iron loss in the first twelve days is unlikely to necessitate immediate nutritional iron supplementation.

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