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近10年来,危重病人消化道出血的发生率已呈下降趋势,但是,应激性溃疡的发生率并未减少。对严重外伤或危重病人在数小时内进行内窥镜检查提示85～100%的病人存在着胃粘膜糜烂。应激性溃疡大部分发生于胃底(泌酸区),但窦部及十二指肠溃疡并非罕见。可表现为广泛充血、局部区域苍白、小出血、糜烂以至深部溃疡和偶发穿孔等异常。
In the past 10 years, the incidence of gastrointestinal bleeding in critically ill patients has been declining, however, the incidence of stress ulcers has not decreased. Endoscopic examination of severe trauma or critically ill patients within hours leads to gastric mucosal erosion in 85-100% of patients. Stress ulcers occur mostly in the fundal (acid-rich area), but sinus and duodenal ulcers are not uncommon. Can be expressed as extensive hyperemia, pale local area, small bleeding, erosion and even deep ulcers and occasional abnormalities such as perforation.