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Temperature changes during exercise stress testing in children with burns

R P Mlcak1, M H Desai, E Robinson

  • 1Shriners Burns Institute, Galveston, TX 77550.

The Journal of Burn Care & Rehabilitation
|July 1, 1993
PubMed
Summary
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Pediatric burn survivors can maintain adequate heat dissipation during exercise, even with extensive burns. This study found no excessive rise in body temperature during exercise testing in these children.

Area of Science:

  • Pediatric burn rehabilitation
  • Thermoregulation and exercise physiology

Background:

  • Extensive skin damage from thermal injury may impair thermoregulatory control.
  • Previous studies suggest burn survivors experience excessive body temperature rise during exertion in hot climates.

Purpose of the Study:

  • To investigate the thermoregulatory response to exercise in pediatric patients with burns.
  • To assess changes in body temperature during exercise testing in this population.

Main Methods:

  • Cardiopulmonary stress tests were performed on 32 pediatric burn survivors (mean postburn time: 2.3 years; mean burn size: 44% total body surface area).
  • Exercise variables (e.g., respiratory rate, heart rate) and temperature (external auditory canal, burn scar, normal skin) were monitored during baseline and maximal exercise.

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Main Results:

  • All pediatric patients achieved similar endurance levels, irrespective of burn size (total body surface area).
  • Adequate heat dissipation was maintained during exercise testing in a controlled environment.
  • No excessive rise in body temperature was observed in children with burns during the tests.

Conclusions:

  • Pediatric burn survivors demonstrate effective thermoregulation during exercise in a controlled setting.
  • Burn size does not appear to limit endurance capacity in pediatric patients during exercise testing.
  • These findings suggest that children with burns can safely undergo exercise testing with appropriate environmental controls.