Sichuan Provincial People's Hospital

This study tests whether a nasal spray containing dexmedetomidine can safely sedate patients before surgery with minimal monitoring. About 564 adults will receive either the spray or a placebo 45 minutes before anesthesia. Researchers will track breathing and heart problems, how …

This study looks at how different pain pump medicines, including butorphanol, affect recovery after a C-section. Researchers will review records from 2500 women to see which pain plan leads to less pain, faster gas passage, earlier walking, and higher satisfaction. The goal is to…

This study tests whether a dexmedetomidine nasal spray can lower the chance of postoperative delirium (sudden confusion) in adults 65 and older after lung surgery. About 264 participants will receive either the spray or a placebo. The goal is to see if the spray helps prevent con…