Wonkwang University Hospital

This study tests a device called the Hypotension Prediction Index (HPI) that warns doctors when a patient's blood pressure is about to drop dangerously low after surgery. 210 adults having elective surgery under general anesthesia will be randomly assigned to either standard moni…

This study compares two monitors used during laparoscopic abdominal surgery to see which one better predicts whether giving fluids will help the heart pump more effectively. About 300 adults having elective surgery will receive small fluid boluses, and the monitors' readings will…

This study tests whether listening to music through headphones during sedation with propofol increases the chance of having a dream and makes that dream more pleasant. 300 adults having minor procedures will be randomly assigned to hear their favorite music, a similar but unfamil…

This study looks at how a simple monitor called the Pleth Variability Index (PVI) changes during laparoscopic-assisted vaginal hysterectomy. Researchers will track PVI at six key moments when the patient's body position changes, such as tilting the head down or raising the legs. …

This study watches 186 adults who take GLP-1 drugs (like Ozempic) and are having planned surgery. Researchers use a stomach ultrasound to check how much food or liquid is left in the stomach after stopping the drug for different lengths of time. The goal is to see if longer pause…