Postoperative nausea and vomiting in bariatric surgery in comparison to non-bariatric gastric surgery.

Introduction: Postoperative nausea and vomiting (PONV) are complications of general anesthesia. Patient-specific factors, type of surgery and a variety of drugs determine the frequency. Clinical experience shows nausea and vomiting to be very frequent in morbidly obese patients undergoing bariatric surgery.