Exclusion of the oesophagus: Is this a dangerous manoeuvre?

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Abstract
If oesophagectomy is contra-indicated or dangerous, oesophageal bypass can restore the ability to swallow. It is not known if excluding the bypassed oesophagus by closing both ends will lead to serious complications. In this study we report on 89 patients who underwent bypass surgery for benign and malignant strictures of the oesophagus. The thoracic oesophagus was completely excluded in 51 patients and in 30 cases the bypass procedure was combined with distal oesophageal drainage. Gastro-oesophageal continuity was preserved in eight patients undergoing an extra-oesophageal colon bypass. The operative mortality was similar in the three groups. Neck abscesses, probably due to leakage from the upper end of the bypassed oesophagus, occurred in 17 per cent of patients with oesophageal exclusion and in 9 per cent of the remainder. Changes occurring in the bypassed oesophagus of 38 patients were monitored with computed axial tomography. Segmental, mucus-filled dilatations (mucocoeles) of the oesophagus were identified in 20 patients. In 19 patients these mucocoeles remained small and asymptomatic. One patient with achalasia developed an oesophago-airway fistula two years after operation. Provided both ends of the oesophagus are securely closed, oesophageal exclusion is not a dangerous manoeuvre in patients undergoing bypass surgery for locally invasive tumours or corrosive injuries of the oesophagus.

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