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目的:探讨青年人与老年人下消化道出血的病因特点.方法:508例青老年下消化道出血者(经胃镜检查排除上消化道出血病变),检查当日晨禁食,检查前6h清洁灌肠或口服硫酸镁50g加200ml白开水一次性饮用,后分次饮水2000ml白开水,再行纤维结肠镜检查.结果:508例下消化道出血者,纤维结肠镜检查阳性病变包括大肠息肉、慢性结肠炎、肛管疾病、溃疡性结肠炎、大肠癌、克隆氏病、结肠憩室、肠结核、血管畸形.结论:青年人与老年人下消化道出血病因不同.青年人大肠息肉占首位,慢性结肠炎占第二位.老年人大肠癌占首位,大肠息肉占第二位.
Objective: To investigate the etiological characteristics of lower gastrointestinal bleeding in young and old.Methods: 508 cases of elderly patients with lower gastrointestinal bleeding (gastroscopy to rule out upper gastrointestinal bleeding lesions), check the morning fasting, check 6h before cleaning enema Or oral magnesium sulfate 50g plus 200ml boiled water one-time drinking, after 2000ml boiling water boiled water, and then colonoscopy .Results: 508 cases of gastrointestinal bleeding, colonoscopy positive lesions include colorectal polyps, chronic colitis, Colorectal cancer, Crohn’s disease, colonic diverticulum, intestinal tuberculosis and vascular malformation.Conclusion: The causes of lower gastrointestinal bleeding in young people and the elderly are different.The colorectal polyps in young people occupy the first place, and the chronic colitis accounts for Second, the elderly colorectal cancer in the first place, the second largest colorectal polyps.