胃 炎（Gastritis）.docVIP

胃 炎（Gastritis） Gastritis (gastritis) Definition Gastritis is an inflammatory disease of the stomach caused by various pathogenic factors, often accompanied by epithelial damage and cell regeneration Sort: Acute gastritis Gastritis, superficial gastritis, chronic gastritis, atrophic gastritis Special type gastritis Acute gastritis Summary Etiology and pathogenesis Pathology Clinical manifestation diagnostic criteria Treatment Main content of teaching chronic gastritis Summary Etiology and pathogenesis Pathology Clinical manifestation Laboratory and other tests diagnostic criteria Treatment Acute gastritis (acute, gastritis) Acute gastritis is an acute gastric mucosal inflammation caused by a variety of causes. Clinically acute, often manifested as epigastric symptoms. If the main lesion is erosion and bleeding, it is called acute erosive hemorrhagic gastritis. Because this kind of inflammation is caused by medicine and acute stress, it is also called acute gastric mucosal lesion Acute gastritis mainly includes: Acute gastritis caused by acute Helicobacter pylori (HP) infection Pathogens and toxins other than HP cause acute gastritis in gastric mucosal lesions Acute erosive hemorrhagic gastritis Etiology and pathogenesis Various causes include: drugs, acute stress, ethanol, ischemia, infection, reflux of duodenal fluid, etc. Physicochemical factors Drug NSAID is the most common, and others, such as adrenal glands, glucocorticoids, certain antibiotics, and anti-cancer drugs Ethanol damages the mucosal barrier and induces epithelial cell damage, mucosal bleeding and edema Bile reflux, bile salts, phospholipase A and trypsin destroy gastric mucosa and produce multiple erosions The physical factors, pungent and crude, cause mechanical damage to the gastric mucosa Two, stress Acute stress can be caused by serious viscera diseases, major operations, extensive burns, shock, craniocerebral trauma, intracranial diseases, mental and psychosomatic factors, etc. Pathogenesis: Gas