Henan Provincial People's Hospital

This trial compares two types of surface-modified flow diverters—special stents used to treat unruptured brain aneurysms. The goal is to see which device causes fewer small brain injuries (seen on MRI) and fewer stroke-like symptoms after the procedure. About 196 people with unru…

This study is testing whether a urine test can accurately detect urothelial carcinoma, a type of cancer that includes bladder cancer. Researchers are comparing the test results to standard tissue biopsies in 800 adults with blood in their urine and suspicious imaging findings. If…

This study tests whether a high-flow nasal cannula (HFNC) can prevent dangerously low oxygen levels in children aged 2-10 during anesthesia before intubation. Researchers will compare safe apnea time—how long oxygen stays above 95%—in 48 healthy children. If effective, HFNC could…

This pilot study is testing whether a high-dose nicotine patch can reduce pain and the need for opioid painkillers in male smokers who are having chest surgery. The patch is given before and after surgery. The study will track how much pain medication participants use. It include…