机械性小肠梗阻可分为二种类型 ,单纯性和绞窄性。单纯性小肠梗阻 ,常采用保守疗法 ,预后较好。而绞窄性小肠梗阻需要及时手术 ,否则预后不良。以前绞窄性肠梗阻的死亡率较高 ,而现在已有明显下降。当然这主要是外科方面的进步 ,但是最重要的是提高了诊断正确率 ,而在这方面 , Mechanical small bowel obstruction can be divided into two types, simple and strangulation. Simple intestinal obstruction, often using conservative treatment, the prognosis is good. Strangulation of small bowel obstruction requires timely surgery, otherwise the prognosis is poor. Previous strangulated intestinal obstruction mortality is higher, but now has significantly decreased. Of course, this is mainly surgical progress, but the most important thing is to improve the diagnostic accuracy, and in this regard,