Higher occurrence of nausea and vomiting after total hip arthroplasty using general versus spinal anesthesia: An observational study

Under the assumption that postoperative nausea and vomiting (PONV) may occur after total hip arthroplasty (THA) regardless of the anesthetic technique used, it is not clear whether general (GA) or spinal (SA) anesthesia has higher causal effect on this occurrence. Conflicting results have been reported.