Intestinal malrotation associated with a short mesentery predisposes to midgut olulus as well as intestinal atresia: by the way of an increased peristaltism, olulus appears aboe the atresia.

• 肠旋转不良合并肠系膜过短由于蠕动增加而诱发中肠扭转和肠管闭锁，扭转出现在闭锁以上。