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非阻塞性肠管动脉梗塞(NMI)的起因是肠系膜动脉供血的内脏区域供血不足,而不是动脉不通畅。作者通过3例报道,介绍了此病的病理-解剖学改变。例1,62岁,因心功能不全致低血压而入内科。入院时主诉腹痛,腹胀。听诊无肠鸣音。作侧位腹主动脉造影,见肠系膜上动脉(SMA)主干完全通畅,但所有分枝显著狭窄,表现有弥漫性痉挛。作保守治疗,次日病情改善,腹痛明显减轻。入院后第4天死于心肺衰竭。尸检发现小肠粘膜有弥散性岛状坏死。
Non-obstructive bowel artery infarction (NMI) is caused by insufficient blood supply to the visceral area of the mesenteric artery, rather than the unobstructed arteries. The authors reported the pathological-anatomic changes of the disease through three reports. Example 1,62 years old, due to cardiac insufficiency due to hypotension and internal medicine. Admitted to complained of abdominal pain, abdominal distension. Auscultation without bowel sounds. For lateral abdominal aortography, see the superior mesenteric artery (SMA) trunk completely open, but all branches were significantly narrow, showing diffuse spasms. For conservative treatment, the next day to improve the condition, abdominal pain was significantly reduced. Day 4 died of cardiorespiratory failure after admission. Autopsy found diffuse island necrosis of small intestinal mucosa.