The Authors report a review of the data gathered by manometry and pH-metry in the functional esophageal diseases. Manometric and pH-metric patterns of gastro-esophageal reflux, Barrett esophagus, diverticula, achalasia, aspecific motility disorders and non-cardiac chest pain, are analyzed. Data conditioning the choice of surgical treatment in the literature and in the authors' experience are reported in detail.
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