Shiyou Wei

This study will enroll 108 adults having surgery with a laryngeal mask airway. Researchers want to find the dose of tegileridine (combined with propofol) that prevents movement, coughing, and other reactions in 90% of patients. They will compare younger (18-65) and older (65+) gr…

This trial tests whether oliceridine, a newer opioid, causes less coughing than the standard drug sufentanil when given at the start of general anesthesia. Coughing during this phase can be dangerous, especially for patients with high pressure in the head or eyes. The study invol…

This study compares a newer anesthesia drug, fospropofol disodium, with the standard drug propofol for people undergoing ureteroscopy (a procedure to remove kidney stones). About 190 adults will be randomly assigned to receive one of the two drugs during surgery. The main goal is…

This study aims to find the 90% effective dose of tegileridine, a painkiller, when combined with propofol for sedation during painless gastroscopy. Researchers will test different doses in young (18-65) and elderly (65+) adults to see which dose best prevents movement, coughing, …