Influence of Oesophageal Contractile Reserve in High Resolution Manometry on Post Operative Dysphagia After Anti-reflux Surgery

Inclusion Criteria: * Patient with an indication validated at a fundoplication directed by a visceral surgeon from Vienne county * Patient sent for the realization of a preoperative HRM, * Patient giving consent to participate in the study. Exclusion Criteria: * Patient unable to sign a consent or protected (minors, pregnant women, patient under guardianship), * History of oesophageal surgery or radiotherapy, * History of systemic pathology with oesophageal involvement, * Contraindication to an oesophageal manometry : altered general status and vigilance , important swallowing disorders