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本文总结近４年来收治的１５例肾移植术后胃肠道大出血病例，对其发病、临床表现、诊断及治疗的特性作了探讨，认为发病率高、出血量大、出血部位多、止血难和手术率高等均与免疫抑制剂及肾功不良等因素有关。诊断方法上强调了除纤维胃镜检查外，单光子发射计算机断层（ＳＰＥＣＴ）具有特殊意义，可明确多部位及下消化道出血。对胃十二指肠溃疡出血及出血量大的应及早手术治疗，而保守治疗时止血促凝药单用效果差，多需联合应用局部止血药，对结肠出血局部止血药保留灌肠效果良好。
This article summarizes 15 cases of gastrointestinal bleeding after renal transplantation in the past 4 years, and discusses the characteristics of its incidence, clinical manifestations, diagnosis and treatment. It is considered that the incidence rate is high, the amount of bleeding is large, the bleeding site is numerous, and the bleeding is difficult And higher surgical rates and immunosuppressive agents and renal dysfunction and other factors. Diagnostic methods emphasize the addition of fiber gastroscopy, single photon emission computed tomography (SPECT) has a special significance, can clear multiple sites and lower gastrointestinal bleeding. Gastroduodenal ulcer bleeding and bleeding should be early surgical treatment, and conservative treatment of hemostatic procoagulant single effect is poor, the need for joint application of local hemostatic drugs, local enema on the retention of colonic bleeding enema good effect.