Post-operative giant hiatal hernia: A single center experience.

To verify the results of the treatment of post-operative giant hiatal hernia (POGH).The POGH becomes each time more frequent after surgical treatment of the gastroesophageal reflux.Fifteen patients (6 females and 9 males; 43.

Discussing the influence of electrode location in the result of esophageal prolonged pH monitoring.

Background: There is a large consensus to preserve the distance of 5 cm above the proximal border of the lower esophageal sphincter (PBLES) as appropriate to the location of the electrode of the pH-metry. The main objective of this study is to determine whether placement of the electrode below the recommended location achieves a significant difference in the calculation of the DeMeester score.

Methods: The study was made up of 60 GERD patients and 20 control subjects.