Long-term results after Heller–Dor operation for oesophageal achalasia☆

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Abstract
Achalasia is a rare motility disorder of the oesophagus of unclear aetiology, with an incidence of around 1 case per 100,000 in the population of Western countries, characterized by several combinations of alterations that include neuronal degeneration of the oesophageal wall responsible for the incomplete relaxation of the lower oesophageal sphincter with swallow and for the lack of peristalsis in the oesophageal body [1]. At present there is no therapy able to repair degenerative neuronal lesions; the most effective treatments for oesophageal achalasia are aimed at the relief of symptoms and at preventing the complications through the reduction or complete elimination of pressure of the lower oesophageal sphincter.

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