TEAS-induced Analgesia: Dual vs Single Acupoints

Transcutaneous Electrical Acupoint Stimulation Decreases Remifentanil Consumption and Postoperative Pain in Patients Undergoing Radical Mastectomy: Dual Acupoints Versus Single Acupoint in a Prospective Randomized Controlled Trial

The purpose of this study is to evaluate the effects of transcutaneous electric acupoint stimulation(TEAS) at single acupoint or dual acupoints on opioid consumption and postoperative pain in patients undergoing radical mastectomy

Inclusion Criteria:

• patients aged from 18 to 65 yrs
• body mass index (BMI) of 18 to 30 kg/m2
• elective radical mastectomy under general anesthesia

Exclusion Criteria:

• contradictions to electric stimulation
• difficulties in communication
• histories of general anesthesia, drug or alcohol abuse or addiction
• cardiac dysfunction or severe hypertension, confirmed hepatic dysfunction and renal impairment
• participants recruited into other clinical trials during last three months