Clinical considerations in the use of forced-air warming blankets during orthognathic surgery to avoid postanesthetic shivering
Park Da-Ye, 박수경, 지성인, 김현정, 서광석, 김혜정, 한진희, 한희정, 이은희,
소속 상세정보
( Park Da-Ye ) - Seoul National University Graduate School Department of Dental Anesthesiology
박수경 ( Park Soo-Kyung ) - Seoul National University Dental Hospital Department of Dental Anesthesiology
지성인 ( Chi Seong-In ) - Seoul National University Dental Hospital Department of Dental Anesthesiology
김현정 ( Kim Hyun-Jeong ) - Seoul National University Dental Hospital Department of Dental Anesthesiology
서광석 ( Seo Kwang-Suk ) - Seoul National University Dental Hospital Department of Dental Anesthesiology
김혜정 ( Kim Hye-Jung ) - Seoul National University Dental Hospital Department of Dental Anesthesiology
한진희 ( Han Jin-Hee ) - Seoul National University Dental Hospital Department of Dental Anesthesiology
한희정 ( Han Hee-Jeong ) - Seoul National University Dental Hospital Department of Dental Anesthesiology
이은희 ( Lee Eun-Hee ) - Seoul National University Dental Hospital Department of Dental Anesthesiology
KMID : 0980320150150040193
Abstract
Background: During head and neck surgery including orthognathic surgery, mild intraoperative hypothermia occurs frequently. Hypothermia is associated with postanesthetic shivering, which may increase the risk of other postoperative complications. To improve intraoperative thermoregulation, devices such as forced-air warming blankets can be applied. This study aimed to evaluate the effect of supplemental forced-air warming blankets in preventing postanesthetic shivering.
Methods: This retrospective study included 113 patients who underwent orthognathic surgery between March and September 2015. According to the active warming method utilized during surgery, patients were divided into two groups: Group W (n = 55), circulating-water mattress; and Group F (n = 58), circulating-water mattress and forced-air warming blanket. Surgical notes and anesthesia and recovery room records were evaluated.
Results: Initial axillary temperatures did not significantly differ between groups (Group W = 35.9 ± 0.7℃, Group F = 35.8 ± 0.6℃). However, at the end of surgery, the temperatures in Group W were significantly lower than those in Group F (35.2 ± 0.5℃ and 36.2 ± 0.5℃, respectively, P = 0.04). The average body temperatures in Groups W and F were, respectively, 35.9 ± 0.5℃ and 36.2 ± 0.5℃ (P = 0.0001). In Group W, 24 patients (43.6%) experienced postanesthetic shivering, while in Group F, only 12 (20.7%) patients required treatment for postanesthetic shivering (P = 0.009, odds ratio = 0.333, 95% confidence interval: 0.147?0.772).
Conclusions: Additional use of forced-air warming blankets in orthognathic surgery was superior in maintaining normothermia and reduced the incidence of postanesthetic shivering.
키워드
Circulating water mattress; Forced-air warming blanket; Intraoperative hypothermia; Postanesthetic shivering
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