URINARY RETENTION

This study compares two ways to drain urine from the bladder in men waiting for prostate surgery: a tube left in place (indwelling catheter) versus a tube the patient inserts themselves several times a day (clean intermittent self-catheterization). The goal is to see which method…

This study tests a surgery that uses a piece of the patient's own abdominal muscle to help the bladder squeeze and empty. It is for people whose bladder muscle is too weak to work on its own. The goal is to improve bladder function and quality of life.

This study tests two simple nursing methods—a cold pack on the lower belly or a gentle massage on the lower back—to see if they can prevent trouble emptying the bladder after surgery with spinal anesthesia. About 105 adults having certain surgeries will take part. The goal is to …

This study looks at two common ways to give fentanyl for pain relief during labor: one injection into the spinal fluid and one into the space around the spinal cord. The goal is to see which method causes less itching, a common side effect. About 80 women in labor will take part …

This study looks at the best time to remove urinary catheters after surgery for mid-low rectal cancer. About 1,545 patients will be randomly assigned to have their catheter removed at 24 hours, 48 hours, or based on a personalized risk score. The goal is to see which approach red…