This is a single center, randomized, double-blinded, controlled clinical trial.The purpose of this study is to compare the effect of TEAS pretreatment with single acupoint or two acupoints for postoperative nausea and vomiting in patients undergoing laparoscopic operation.
Patients were randomly assigned to four groups, receiving TEAS 30 minutes before induction.The stimulation was applied until the end of the operation. Postoperative nausea and vomiting was recorded 30 minute, 2 hour, 6 hour and 24 hour after the operation. The adverse events were recorded as well.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
180
Electric stimulation was given through electrode attached to specific acupoints
Xijing Hospital, Fourth Military Medical University
Xi'an, Shaanxi, China
The incidence of postoperative nausea and vomiting
Time frame: within 24 hours after operation
Incidence of other postoperative complications
Time frame: 30minutes, 2hours, 6hours and 24 hours after operation
Postoperative nausea and vomiting（PONV） score
Time frame: 30minutes, 2hours, 6hours and 24 hours after operation
Visual Analogue Scale (VAS) pain score in PACU
Time frame: 30 minutes after operation
Change of concentration of serum 5-HT
Time frame: intraoperative
Change of concentration of serum dopamine
Time frame: intraoperative
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