Methods 104 cases were divided into simple intestinal obstruction group of 72 and strangulated intestinal obstruction of 32 according to the clinical diagnosis.

方法104例患者按临床诊断分为单纯性肠梗阻组72例和绞窄性肠梗阻组32例。

Conclusions Abdominal B type ultrasonography is of great value for early diagnosis of strangulated small bowel obstruction and should surely be taken as a routine examination.

结论腹部B超对早期绞窄性肠梗阻有较高的诊断价值，应列为常规检查方法。