Objective To explore the value of urgent colonoscopy (< 12 h from admission) in acute lower gastrointestinal bleeding (ALGB). Methods The data of 293 patients with ALGB undergoing urgent colonoscopy were analyzed. Average length of hospital stay and volume of blood transfusion were compared between urgent colonoscopy and routine colonoscopy groups. Results The success rate of accomplishment of urgent colonoscopy was 90. 1% , and the diagnostic rate was 64. 5% . The average length of stay was 6. 9 days in the urgent colonoscopy group and 7. 8 days in the routine colonoscopy group. The average volume of blood transfusion was 275 mL in the urgent colonoscopy group and 478 mL in the elective colonoscopy group. Conclusion It is suggested that the urgent colonoscopy can provide therapeutic interventions and improve success rate of hemostasis. It can provide the reliable evidence for the surgery and decrease hospital length of stay and the average volume of blood transfusion.%目的 探讨急诊结肠镜对急性下消化道出血的诊断价值.方法 对293例接受急诊结肠镜检查的急性下消化道出血患者临床资料进行分析,比较急诊结肠镜组与常规结肠镜组在平均住院日及输血量之间的差异.结果 急诊结肠镜组检查成功率90.1％,总体诊断率64.5％.急诊结肠镜组平均住院天数6.9d,常规结肠镜组7.8d,急诊结肠镜组平均输血量275 mL压积红细胞,常规结肠镜组478 mL.结论 急诊结肠镜对活动性出血可采取内镜下止血,为急诊外科手术治疗提供可靠依据,同时可减少急性下消化道出血患者的住院天数及平均输血量.
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