• Bo-Yan Yeh, Yi-Chun Hsu, Jyun-Yan Huang, I-Ting Shih, Wei-Jia Zhuo, Yung-Fong Tsai, Chee-Jen Chang, and Huang-Ping Yu.
• Department of Chinese Acupuncture and Traumatology, Center for Traditional Chinese Medicine, Chang Gung Memorial Hospital, and College of Medicine, Chang Gung University, 5 Fu-Shin Street, Kwei-Shan, Tao-Yuan 333, Taiwan.
• Bmc Complem Altern M. 2012 Jan 1; 12: 233.

BackgroundShivering during regional anesthesia is a common complication and is related to a decrease in the patient's core body temperature. Previous studies have shown that acupuncture on specific acupoints can preserve core body temperature. The present study evaluated the effect of electroacupuncture in preventing the shivering caused by regional anesthesia.MethodsThis prospective and randomized controlled study analyzed the data from 80 patients undergoing urological surgery, who were classified as ASA I or II. Spinal anesthesia was performed in all patients using 15 mg of bupivacaine. The patients were randomly allocated to receive either placebo acupuncture (Group P, n=40) or electroacupuncture (Group A, n=40) for 30 min before administration of spinal anesthesia. Shivering score was recorded at 5 min intervals, with 0 representing no shivering and 4 representing the most severe shivering possible. Heart rate, blood pressure, and tympanic temperature were recorded before the intrathecal injection, and again every 5 min thereafter until 30 min.ResultsAfter spinal anesthesia, the decrease in tympanic temperature was less for Group A patients than Group P, with the difference being statistically significant. After 15 min, 13 patients in Group P attained a shivering score of 3 or more, compared with 3 patients in Group A. Significantly more patients in Group P attained a shivering score of at least 1.ConclusionsThe prophylactic use of electroacupuncture might maintain core body temperature, and may effectively prevent the shivering that commonly develops during regional anesthesia.Trial RegistrationAustralian New Zealand Clinical Trials Registry ACTRN12612000096853.

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