肝硬化胃底静脉曲张和胃十二指溃疡是引起上消化道大出血的最常见原因。我们观察了两者促红细胞生成素（EP（））产生情况的变化。报道如下。对象与方法上消化道大出血患者42例，均为急诊住院患者，经胃镜和常规生化检查按病因分为两组。（）溃疡性出血组23例，其中包括胃溃疡 Cirrhosis of the gastric varices and gastroduodenal ulcer is the most common cause of upper gastrointestinal bleeding. We observed changes in the production of both erythropoietin (EP ()). Reported as follows. Subjects and Methods 42 cases of upper gastrointestinal bleeding patients, all emergency hospitalized patients, by gastroscopy and routine biochemical tests were divided into two groups according to the cause. () Ulcerated hemorrhage in 23 cases, including gastric ulcer