Sample size: as percent of vomiting following acupuncture and following standard anesthesia is 0.13% and 29.2% respectively so sample size is 58 (29 in each group). Sample is calculated using open epi program with confidence level 95% and power 80%.~Patients in Group C (control group) (n=29): will receive no treatment. While patients in Group A (Acupuncture group) (n=29): will receive needle acupuncture.
Modern surgery management needs increasing operating room turnover and more ambulatory surgery. In order to come over this challenge, the recovery needs to be optimized. Enhancing recovery could be achieved by preventing postoperative pain and postoperative nausea and vomiting. Middle ear surgery is a common ambulatory surgery with increasing occurrence of postoperative nausea and vomiting.