[A technic to avoid postoperative intestinal hypodynamia].

The hypodynamic postoperative ileus in children, has as main cause the circle gastric distension-reflex intestinal ileus, produced by the swallowed air. The gastric emptying system-through a Levin tube from the stomach is not usually sufficient to get off all the swallowed air. Nevertheless, a continuous suction from the lower third of oesophagus, through a double lumen sump tube is twelve times more effective in the getting off de air before it comes into the stomach, without need of a nasogastric tube.