Department of Anesthesiology and Pain Medicine, Chungju Hospital, Konkuk University Medical School, Chungju, Korea.
Department of Pediatrics, Chungju Hospital, Konkuk University Medical School, Chungju, Korea.
Korean J Anesthesiol. 2014 May;66(5):352-7. doi: 10.4097/kjae.2014.66.5.352. Epub 2014 May 26.
BACKGROUND: In the present study, we compared changes in body temperature and the occurrence of shivering in elderly patients undergoing total knee arthroplasty under spinal anesthesia during warming with either a forced-air warming system or a circulating-water mattress. METHODS: Forty-six patients were randomly assigned to either the forced-air warming system (N = 23) or circulating-water mattress (N = 23) group. Core temperature was recorded using measurements at the tympanic membrane and rectum. In addition, the incidence and intensity of post-anesthesia shivering and verbal analogue score for thermal comfort were simultaneously assessed. RESULTS: Core temperature outcomes did not differ between the groups. The incidence (13.0 vs 43.5%, P < 0.05) and intensity (20/2/1/0/0 vs 13/5/3/2/0, P < 0.05) of post-anesthesia shivering was significantly lower in the forced-air system group than in the circulating-water mattress group. CONCLUSIONS: The circulating-water mattress was as effective as the forced-air warming system for maintaining body temperature. However, the forced-air warming system was superior to the circulating-water mattress in reducing the incidence of post-anesthesia shivering.
背景:在本研究中,我们比较了在脊髓麻醉下接受全膝关节置换术的老年患者在使用空气加热系统或循环水床垫进行升温时体温变化和寒战发生情况的变化。
方法:46 名患者被随机分配到空气加热系统(N=23)或循环水床垫(N=23)组。使用鼓膜和直肠测量来记录核心体温。此外,同时评估麻醉后寒战的发生率和强度以及热舒适度的视觉模拟评分。
结果:两组的核心体温结果没有差异。空气加热系统组的麻醉后寒战发生率(13.0%比 43.5%,P<0.05)和强度(20/2/1/0/0 比 13/5/3/2/0,P<0.05)明显低于循环水床垫组。
结论:循环水床垫在维持体温方面与空气加热系统一样有效。然而,在减少麻醉后寒战的发生率方面,空气加热系统优于循环水床垫。
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