胆汁反流性胃炎,指的是:由于某些因素所导致的胆汁反流入胃,胆汁中的胆盐刺激胃粘膜,破坏胃粘膜屏障,而引起的胃炎。 1.发病机制 (1)幽门括约肌功能障碍:从胃镜下可以看到有的病人,幽门持续开放,使十二指肠液反流入胃,胆汁中的胆盐可使粘膜血管通透性异常增高,氢离子逆弥散入胃壁,可刺激肥大细胞释放组胺, Bile reflux gastritis, refers to: due to certain factors caused by reflux of bile into the stomach, bile in the bile salt to stimulate the gastric mucosa, damaging the gastric mucosal barrier, which caused by gastritis. 1. Pathogenesis (1) pyloric sphincter dysfunction: Gastroscopy can be seen from some patients, pylorus continued to open, the duodenal fluid reflux into the stomach, the bile salt in the bile can make mucosal vascular permeability abnormally increased, Hydrogen ions counter-diffuse into the stomach, can stimulate the release of histamine mast cells,