应激性溃疡是机体在应激状态下出现的以胃肠道粘膜多发性浅表溃疡和出血为特征的病变。常见于休克、烧伤、脓毒血症和严重创伤、大手术及心、肺、肝、肾功能衰竭患者。该病的发病率和死亡率均较高。然而,至今对急性应激性溃疡的发病机制尚未完全明了。许多研究证实,缺血是应激性溃疡一个极重要的因素。对于胃粘膜缺血后, Stress ulcers are lesions characterized by multiple superficial ulcers and hemorrhages of the gastrointestinal tract that appear in the body under stress. Common in shock, burns, sepsis and severe trauma, major surgery and heart, lung, liver, kidney failure patients. The disease has high morbidity and mortality. However, the pathogenesis of acute stress ulcers has not yet been fully understood. Many studies have confirmed that ischemia is a very important factor in stress ulcers. After gastric ischemia,