POSTOPERATIVE NAUSEA AND VOMITING

This study tests whether a small, wearable device called the Reletex Reliefband can reduce nausea and vomiting after bariatric surgery. About 100 adults having sleeve gastrectomy will wear either the active device or a placebo for 24 hours after surgery, while receiving standard …

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

This study tests whether a longer-acting steroid (dexamethasone palmitate) given before open surgery can better prevent nausea and vomiting than standard treatments. About 500 adults having open surgery on the spine, chest, or abdomen will take part. The goal is to see if this dr…

This study looks at whether giving a higher dose of propofol (a common anesthesia drug) during heart bypass surgery can lower the chance of nausea and vomiting afterward. Researchers will follow 60 adults having planned heart bypass surgery and compare those who get a high dose v…

This observational study examines whether the phase of a woman's menstrual cycle (follicular vs. luteal) influences optic nerve sheath diameter, a marker of intracranial pressure, during laparoscopic gynecologic surgery. Researchers will also track postoperative nausea and cognit…

This study watches 60 women ages 18-40 having nose surgery to see if their menstrual cycle phase changes how often they feel sick or vomit after surgery. Researchers will also check if a drug called sugammadex plays a role. No extra treatments are given—just routine care and reco…