POSTOPERATIVE NAUSEA AND VOMITING

This study tests if taking ginger before gallbladder surgery can prevent nausea and vomiting afterward. About 102 adults having laparoscopic gallbladder removal will take either ginger or a placebo two hours before surgery. Researchers will track how many people feel sick in the …

This study tests whether a wrist-worn device called Reletex Reliefband can reduce nausea and vomiting after bariatric sleeve gastrectomy. The device uses mild electrical pulses to stimulate nerves and suppress nausea. Researchers will compare it to a sham device in 100 adults to …

This study compares two ultrasound-guided nerve blocks to control pain after laparoscopic gallbladder removal. Seventy adults will receive either a modified thoracoabdominal nerve block or a recto-intercostal fascial plane block. The goal is to see which block reduces the need fo…

This study will observe 60 adults having heart bypass surgery to see if a higher dose of the anesthetic propofol reduces nausea and vomiting after the operation. Researchers will compare patients who get high-dose propofol to those who get a low dose. Participants will be checked…

This study tests whether teaching patients about nutrition and following a specific fasting plan before knee replacement surgery can help reduce thirst, nausea, and vomiting afterward. About 72 adults having knee replacement will be split into two groups: one gets the special edu…

This study tests whether aromatherapy patches (lavender-sandalwood or orange-ginger) can reduce nausea and vomiting after total joint replacement. 159 adults will be split into three groups: one gets the aromatherapy patch plus standard care, another gets a placebo patch plus sta…

This study tests a new method to reduce pain and nausea after laparoscopic sleeve gastrectomy, a common weight-loss surgery. About 200 adults will receive either a paragastric nerve block (injecting numbing medicine near the stomach) or a placebo during surgery. The goal is to se…

This study looks at whether combining a sedative drug (dexmedetomidine) with a gentle nerve stimulation technique can lower the chance of nausea and vomiting after laparoscopic surgery in women. About 176 women aged 18 to 65 having planned surgery will take part. The goal is to f…

This study tests whether a longer-acting form of the steroid dexamethasone can better prevent nausea and vomiting after open surgery. Researchers will give 500 adults either the standard dexamethasone or the new version (dexamethasone palmitate) right before surgery. The goal is …

This study tests whether a long-acting steroid called dexamethasone palmitate can better prevent nausea and vomiting after brain surgery compared to the standard steroid. About 500 adults having elective brain surgery will receive either the new drug or standard dexamethasone bef…

This study looks at whether the phase of a woman's menstrual cycle affects the optic nerve sheath diameter, a measure linked to brain pressure, during laparoscopic gynecologic surgery. Researchers will compare women in the follicular and luteal phases, also tracking nausea and co…

This study watches 60 women aged 18-40 having nose surgery to see if their menstrual cycle phase affects nausea and vomiting afterward. Researchers also check if a drug called sugammadex, used during anesthesia, changes the risk. No new treatments are tested—just observation of r…

This observational study looks at whether taking metformin before surgery affects nausea and vomiting after general anesthesia. Researchers will follow 909 adults who are already on metformin and compare them to those not taking it. The goal is to see if metformin changes how oft…