Oesophagomyotomy for achalasia: A 22-year experience

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Abstract
To determine the clinical results in achalasia, particularly as regards postoperative gastro-oesophageal reflux, a 22-year personal experience with transthoracic short oesophagomyotomy without an antireflux procedure was analysed. A total of 185 such procedures were performed, of which 179 (97 per cent) were available for analysis. There was an overall improvement rate of 89 per cent over a mean postoperative interval of 9 years. Primary procedures were followed by a 93 per cent rate of improvement. Twenty patients, nine of whom had previously undergone one or more oesophageal operations, were considered as having a poor result. Marked gastro-oesophageal reflux accounted for a poor outcome in nine patients. Although the overall rate of postoperative improvement did not deteriorate significantly with time, the level of improvement did, the proportion of excellent results declining from 54 to 32 per cent (P = 0.02) at 10–20 years after operation. These findings substantiate the view that a short transthoracic oesophagomyotomy without an antireflux procedure provides excellent long-term relief of dysphagia for the patient with oesophageal achalasia and is accompanied by an extremely low risk of serious postoperative gastro-oesophageal reflux.