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[Diagnosis of the functioning of an interposed part of the colon substituting part of the oesophagus after oesophageal resection (author's transl)].

In 6 patients with carcinoma of the oesophagus, resection of the oesophagus was performed, followed by substitution of part of the oesophagus by part of the colon. The functioning of this interposed part was examined by both magnetic tape recording and conventional fluoroscopy. The following findings and special aspects were noted: 1. Formation of a "pocket" in the area of the upper anastomosis. 2. "Watering-can" phenomenon in case of great length of the interposed part. 3. Pronounced reflux from the stomach to the interposed part in horizontal position of the patient and in head down position. 4. Loss of peristalsis of the interposed part of the colon while preserving the natural sacculation and width of lumen. The findings correlated clearly with the signs and symptoms reported by the patients, such as heartburn, belching and retrosternal pain. Comparison of findings via roentgenography and via fluoroscopy with those determined via magnetic tape recording showed the advantages of the magnetic tape recording in checking on the function of the restored oesophageal tract.