Perioperative transcutaneous auricular vagus nerve stimulation for the prevention of postoperative nausea and vomiting after gynecologic laparoscopic surgery: protocol for a randomized, double-blind, sham-controlled trial
BackgroundPostoperative nausea and vomiting (PONV) remains a common and distressing complication after gynecologic laparoscopic surgery, despite the use of multimodal antiemetic prophylaxis. Transcutaneous auricular vagus nerve stimulation (taVNS) is a noninvasive neuromodulation technique that targets vagal afferents...