Turkish Journal of Medical Sciences




Background/aim: This study aimed to study the effect of pretreatment transcutaneous electrical acupoint stimulation (TEAS) in preventing propofol injection-related pain. Materials and methods: A total of 360 patients who were to undergo elective hysteroscopy surgery were randomly divided into the following three groups of 120 patients each: control (Group C), sham TEAS (Group F), and TEAS (Group T). Patients in Group C did not undergo any treatment before surgery; 30 min before the induction of anesthesia, patients in Groups F and T underwent electrical stimulation of the bilateral LI4-PC6 acupoint. Patients in Group F were subjected to 'feeling flow', while those in Group T were subjected to 'tolerance flow.' The stimulation frequency was 2/100 Hz and the duration of stimulation was 30 min. After the induction of anesthesia, propofol injection-related pain scores, hemodynamic parameters, and adverse reactions were recorded. Results: Of the 360 patients, 324 completed the study. There were significant differences among the groups in terms of the incidence of moderate-to-severe pain. In terms of the four-point scaling method, the end of the radial vein, the cubital vein, and the 'back of the hand' vein differed significantly among the three groups (P = 0.05). Finally, using a numerical rating scale, a significant difference was observed among the three groups in terms of the pain scores in the different veins. Conclusions: Pretreatment TEAS effectively reduces the incidence and severity of propofol injection-related pain, the incidence of postoperative nausea and vomiting, and patient postoperative pain scores.

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