General Hospital Of Ningxia Medical University

This study tests whether using lidocaine as a spray inside the belly plus through an IV can lower pain after keyhole surgery to remove uterine fibroids. About 100 adults having this surgery will be enrolled. The main goal is to see if fewer people have moderate-to-severe pain in …

This study tests a newer nerve block method (EOIB) against a standard combination (TAP+RSB) for controlling pain after laparoscopic stomach cancer surgery. About 100 adults will be randomly assigned to receive one of the two blocks before surgery. The goal is to see if the newer …

This study tests a new nerve block technique (EOIB) against a standard one (ESPB) for pain after laparoscopic stomach cancer surgery. About 184 adults having this surgery will be randomly assigned to receive one of the two blocks. The goal is to see if the new block works just as…

This study looks at whether lying on your side instead of on your back during a painless stomach and colon exam can lower the chance of having low oxygen levels afterward. About 960 adults scheduled for these exams will be randomly placed in one of two positions. The goal is to f…