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急性肠系膜血管闭塞(acute mesenteric vascular occlusion,AMVO)是引起外科急腹症的少见疾病,分为肠系膜上动脉栓塞(superior mesenteric artery embolus,MAE)、肠系膜上动脉血栓形成(superior mesenteric artery thrombosis,MAT)、肠系膜上静脉血栓形成(superior mesenteric venous thrombosis,MVT)及非阻塞性肠系膜血管供血不全(non-occlu-sive me