This study will test the hypothesis that an electric heating device, the Hot Dog warming system is as effective as the Bair Hugger forced air heating system.
Subjects undergoing major plastic surgery lasting approximately 5 hours will be randomized to either the Hot Dog resistive heating system or the Bair Hugger forced air heating system. Core temperature will be measured using a distal esophagus and mean skin temperature. Warming will continue until the subjects' core temperature reaches 37°C. Subsequent temperature will be adjusted as clinically necessary. Data will be recorded at 15 minute intervals. Core temperature will be first measured after intubation when the esophageal temperature probe is inserted. The primary outcome will be the rate of core rewarming over the range of 35°C to 37°C.
Study Type
OBSERVATIONAL
Enrollment
28
Intraoperative warming with Bair Hugger forced air system
Intraoperative warming with Hotdog resistive heating system
Vienna General Hospital/University of Vienna
Vienna, Austria
The Rate of Core Rewarming Over the Range From 35°C to 37°C.
The primary outcome was the rewarming rate during active heating over a core temperature range from 35°C to 37°C.
Time frame: Until the end of surgery, up to 5 hour
Intraoperative Time Weighted Average Core Temperature
Temperatures during surgery were recorded at 15-min intervals and summarize as time weighted average (TWA) for each patient. The unit of TWA-temperature is °C.
Time frame: Until the end of surgery, up to 5 hour
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