肠系膜上动脉压迫综合征2例并文献复习

肠系膜上动脉压迫综合征（superior mesenteric artery syndrome,SMAS）, 又称十二指肠淤滞症，因肠系膜上动脉(superior mesenteric artery,SMA)与腹主动脉(abdomial aorta,AO)间夹角变小,压迫十二指肠水平段引起的临床综合征。在临床上比较少见，容易被误诊、误治。为提高对肠系膜上动脉压迫症的认识，现将本院近期诊治的2例病例报告如下。

superior mesenteric artery syndrome of 2 cases and review of the literature

Superior mesenteric artery syndrome (SMAS), also known as duodenal stagnation, because the angle between the superior mesenteric artery (SMA) and the abdominal aorta (AO) becomes smaller Clinical syndrome caused by compression of the horizontal section of duodenum. It is relatively rare in clinical practice and is easily misdiagnosed and mistreated. In order to improve the understanding of superior mesenteric artery compression, two cases recently diagnosed and treated in our hospital are reported as follows.