General Hospital Of Ningxia Medical University

This trial investigates whether tilting the head up 30 degrees during preoxygenation and the exam itself can lower the chance of low oxygen levels during painless gastrointestinal endoscopy. About 208 adults aged 18–75 with a BMI up to 35 will be randomly assigned to one of four …

This trial tests whether a newer anesthetic drug, ciprofol, causes fewer dangerous drops in blood pressure during anesthesia than the standard drug propofol in frail patients aged 60 and older having major abdominal surgery. Participants are randomly assigned to receive one of th…

This study compares ciprofol and propofol, two drugs used to sedate elderly patients (ages 65-80) during short medical procedures without a breathing tube. Researchers will monitor heart rate, blood pressure, and breathing for 5 minutes after giving the drug. The goal is to see w…

This study tests whether a single injection of bupivacaine liposome into the adductor canal can preserve leg muscle strength after total knee replacement, compared to a continuous nerve block with a catheter. Eighty patients aged 60-75 will be randomly assigned to one of the two …

This study tests a new method for numbing the leg during foot or ankle surgery. Doctors will use ultrasound to guide a numbing medicine into a specific spot in the thigh. The goal is to see if this approach is safe and works better than the usual method, which targets the back of…

This study looks at whether interval training—short, repeated practice sessions—helps medical students learn and remember advanced life support skills better than traditional teaching. 48 students will be split into two groups to compare methods. The goal is to see if this approa…

This study looks at whether a new teaching method helps medical students learn how to insert a small tube into the wrist artery. The method uses ultrasound to guide the needle and spaced repetition practice. Thirty resident doctors will be split into two groups to compare the new…

This study will measure certain brain proteins in 200 children aged 1-3 years undergoing hernia surgery. Researchers want to see if changes in these proteins can predict postoperative delirium and long-term thinking problems. They will also compare two common anesthetics, sevoflu…