本文观察了雷尼替丁与甲氰咪呱对活动性十二指肠球部溃疡(58例)的近期疗效,服药四周,服药前后均经纤维胃镜检查。雷尼替丁组与甲氰咪呱组服药一周及四周后,腹痛消失率分别为60％、73.3％及42.9％、67.9％,溃疡愈合率分别为70％及60.7％,两组统计学差异无显著性,均未发现明显副作用。 This article has observed the immediate effect of ranitidine and cimetid on the active duodenal ulcer (58 cases), taking four weeks, before and after taking the fiber endoscopy. The rates of disappearance of abdominal pain were 60%, 73.3%, 42.9% and 67.9% in the ranitidine group and the cimetidine group for one week and four weeks respectively. The healing rates of ulcer were 70% and 60.7% respectively. There was statistical difference between the two groups No significant, no significant side effects were found.