Another complication of gastroenterostomy is the so-called viscious circle, when partial obstruction of the efferent limb causes food or contrast medium to be directed through the anastomosis into the A limb and retrograde through the pylorus back into the stomach. This sequence may be observed fluoroscopically and documented radi-ographically (Fig. 3.38). Revision of the anastomosis is required to correct the condition.
Gastroileostomy is a possible iatrogenic complication of gastroenteros-tomy that is readily diagnosed in upper GI series by identifying direct communication between the stomach and the ileum.
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