Chi et al​[1]​ conducted a prospective randomized sham-control trail to evaluate the efficacy of transcutaneous electrical acupoint stimulation (TEAS) for elderly patients who received knee surgery under epidural anesthesia. TEAS on ST36, SP6, PC6, and LI11 were performed for the intervention group (n=26) out of 52 subjects. The intervention was carried out 30min prior to […]

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