Zhihong Lu

This study aims to find the best balance of fluids given during liver surgery. It will compare a restrictive fluid approach, which surgeons often prefer to reduce bleeding, with a more liberal approach, which may better protect the kidneys and other organs. The goal is to see whi…

This study is testing if a mild electrical stimulation applied to specific points on the wrist (acupressure) can help prevent dangerous drops in blood pressure when older patients are put under general anesthesia. Researchers will compare two different frequencies of stimulation …

This study aims to see if a simple drawing activity can help reduce anxiety in adults waiting for elective surgery. Researchers will test whether using different colors and shapes in the drawing task makes a difference. They will measure anxiety levels, heart rate, and how engage…