• R P Mlcak, M H Desai, E Robinson, R L McCauley, M C Robson, and D N Herndon.
• Shriners Burns Institute, Galveston, TX 77550.
• J Burn Care Rehabil. 1993 Jul 1;14(4):427-30.

AbstractIt has been postulated that because of the extensive destruction of the skin and appendages after thermal injury, the thermoregulatory control mechanism would be impaired, and these patients would be intolerant to prolonged work. Preview studies demonstrate evidence that during work in a hot climate, patients with an extensively healed burn react with an excessive rise in body temperature. This study was designed to investigate the thermoregulatory response to exercise in pediatric patients with burns and to study changes in body temperature during exercise testing. Cardiopulmonary stress tests were completed in 32 children with a mean postburn time of 2.3 +/- 1.5 years and a mean burn size of 44% +/- 23% total body surface area. Exercise variables included expired volume, tidal volume, respiratory rate, tidal/dead space rate, heart rate, and work stage achieved. Temperature monitoring included external auditory canal temperature, burn scar, and normal skin temperature. Values were measured at baseline during and at maximum exercise. Our data indicate all patients reached the same endurance level regardless of the size of the total body surface area burn. Additionally, in a temperature-controlled environment, adequate heat dissipation in children with burns can be maintained during exercise testing without an excessive rise in body temperature.

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