• Lai-Siqi Wan, Wan-Shan Li, Wan-Yao Li, and Guo-Cai Li.
• College of Acupuncture-Moxibustion and Tuina, Guangzhou University of CM, Guangzhou 510405, Guangdong Province, China. wanlaisiqi@yahoo.cn
• Zhongguo Zhen Jiu. 2013 Mar 1;33(3):237-40.

ObjectiveTo observe the impacts on anesthetic dosage and postoperative pain under general anesthesia assisted by auricular-plaster therapy.MethodsOne hundred and twenty cases of gynecological laparoscopic surgery were randomized into three groups, 40 cases in each one. In auricular point group A, the magnetic beads were stick on the auricular points which were Shenmen (TF4), Lung (fei, CO14), Spleen (pi,CO13), Stomach (wei, CO4), Large Intestine (dachang, CO7), Adrenal (shenshangxian, TG2 (P)), Endocrine (neifenmi, CO18), Uterus and Pelvic Cavity(penqiang, TF5) etc. In auricular point group B, the magnetic beads were stick on the preauricular points and the corresponding retroauricular points of the ears. In a placebo group, the plasters of the same appearance were stick on the corresponding auricular points of the ears. The anesthetic method was same in three groups and the anesthesia effect were assessed and compared among the three groups.ResultsIn surgery, the dosage of sufentanil, the narcotic analgesic was (22.08 +/- 7.11) microg in auricular point group A and was (20.19 +/- 7.21) microg in auricular point group B, which were reduced as compared with (26.13 +/- 9.04) microg in the placebo group (both P < 0.05). The difference in the dosage of propofol, the anesthetic was not significant statistically among three groups (P > 0.05). On the 1st day after surgery, the score of pain visual analogue scale (VAS) was (1.77 +/- 1.65) in auricular point group A and was (1.80 +/- 1.96) in auricular point group B, which were reduced as compared with (2.62 +/- 1.46) in the placebo group (both P < 0.05). Before surgery, the serum beta-endorphin (beta-EP) was (198.8 +/- 124.1) pg/mL in auricular point group A and was (207.2 +/-102.7) pg/mL in auricular point group B, which were higher apparently as compared with (143.6 +/- 87.1) pg/mL in the placebo group (both P < 0.05). The differences in the above indices were not significant statistically between the two auricular point groups.ConclusionThe auricular-plaster therapy reduces the dosage of anesthetic, alleviates postoperative pain and acts on tranquilization and analgesia. The effect is not intensified apparently in the treatment for the magnetic beads sticking on both preauricular points and the corresponding retroauricular points of the ears.

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