Patients with atypical symptoms of objectified gastroesophageal reflux disease will be treated by full-thickness gastroplication and the effect of this intervention will be measured by questionnaires and clinical diagnostics (for example pH/MII).

Inclusion Criteria:

• Age between 18 years and 80 years
• symptomatic, objectified reflux disease (atypical symptoms - Montreal-classification)

Exclusion Criteria:

• Rejection of study-participation,
• Pregnancy
• negative pH-metry / impedance monitoring (non-objectified reflux)
• hiatal hernia bigger than 2 cm or gastroesophageal junction > Hill IV classification
• different potential reasons for atypical symptoms like heterotopic gastric mukosa in the cervikal esophagus
• Achalasia, esophageal spasm
• Presence of contraindications for the interventions