急性胃粘膜病变是指机体受严重创伤或严重疾病处于应激状态以及胃肠接触某些物质引起粘膜发生浅表糜烂、出血、溃疡的统称。临床上十分常见的因素有严重烧伤、脑外伤、脑卒中、大手术、严重感染、重要器官功能不良及衰竭等。但发生机理尚不十分明确 ,多数认为是机体应激状态下 Acute gastric mucosal lesions refers to the body by severe trauma or serious illness in stress state and gastrointestinal contact with certain substances cause mucosal superficial erosion, bleeding, ulcer collectively. Clinically very common factors are severe burns, traumatic brain injury, stroke, major surgery, severe infections, vital organ dysfunction and failure. However, the mechanism of occurrence is not very clear, most think it is the body under stress