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Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management
Published on: November 21, 2017
Intraoperative temperature regulation in children using a liquid-warming garment.
Mariya E Skube1, Robert D Acton2, Victor S Koscheyev3
1Division of Pediatric Surgery, Department of Surgery, University of Minnesota, 420 Delaware St SE, MMC 195, Minneapolis, MN, 55455, USA. hache005@umn.edu.
A novel liquid-warming head garment effectively regulated pediatric patients' core body temperature during surgery. This innovative approach helps prevent hypothermia in children undergoing general anesthesia.
Area of Science:
- Pediatric Anesthesiology
- Medical Device Innovation
- Thermoregulation Research
Background:
- Pediatric patients under general anesthesia risk significant core body temperature decrease.
- Hypothermia during surgery can lead to adverse systemic effects in children.
- The head represents a substantial body surface area (18%) in children, influencing heat loss.
Purpose of the Study:
- To investigate the efficacy of a liquid-warming garment applied to the head for controlling pediatric core body temperature during surgery.
- To assess the potential of head-based thermoregulation in pediatric surgical patients.
Main Methods:
- A study enrolled pediatric patients undergoing elective, non-cranial general surgical procedures.
- A specialized head garment with embedded tubing was utilized.
- A computer-controlled water bath system managed garment temperature via a feedback mechanism.
Main Results:
- Ten pediatric patients (1 day to 3 years) participated, with an average procedure length of 82.5 minutes.
- The mean core body temperature remained stable at 36.5 ± 0.9 °C throughout procedures.
- The mean difference between maximum and minimum core body temperatures was minimal (1.32 ± 1.1 °C).
Conclusions:
- A liquid-warming head garment is an effective, innovative, and low-cost method for regulating pediatric core body temperature during surgery.
- This device offers a promising solution for maintaining normothermia in pediatric surgical patients.
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