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KMID : 0356920170700060619
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Korean Journal of Anesthesiology
2017 Volume.70 No. 6 p.619 ~ p.625
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Heated wire humidification circuit attenuates the decrease of core temperature during general anesthesia in patients undergoing arthroscopic hip surgery
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Park Soo-Yong
Yoon Seok-Hwa
Youn Ann-Misun
Song Seung-Hyun
Hwang Ja-Gyung
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Abstract
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Background: Intraoperative hypothermia is common in patients undergoing general anesthesia during arthroscopic hip surgery. In the present study, we assessed the effect of heating and humidifying the airway with a heated wire humidification circuit (HHC) to attenuate the decrease of core temperature and prevent hypothermia in patients undergoing arthroscopic hip surgery under general anesthesia.
Methods: Fifty-six patients scheduled for arthroscopic hip surgery were randomly assigned to either a control group using a breathing circuit connected with a heat and moisture exchanger (HME) (n = 28) or an HHC group using a heated wire humidification circuit (n = 28). The decrease in core temperature was measured from anesthetic induction and every 15 minutes thereafter using an esophageal stethoscope.
Results: Decrease in core temperature from anesthetic induction to 120 minutes after induction was lower in the HHC group (?0.60 ± 0.27℃) compared to the control group (?0.86 ± 0.29℃) (P = 0.001). However, there was no statistically significant difference in the incidence of intraoperative hypothermia or the incidence of shivering in the postanesthetic care unit.
Conclusions: The use of HHC may be considered as a method to attenuate intraoperative decrease in core temperature during arthroscopic hip surgery performed under general anesthesia and exceeding 2 hours in duration.
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KEYWORD
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Arthroscopy, Body temperature, General anesthesia, Hypothermia
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