Unbuffered highly acidic gastric juice exists at the gastroesophageal junction after a meal.


BACKGROUND & AIMS Gastroesophageal reflux typically occurs after meals. During dual gastric and esophageal pH monitoring, we observed that postprandial refluxate was often more acidic than the gastric contents. This study aimed to investigate this phenomenon. METHODS Dual gastric and esophageal pH tracings were analyzed from 40 dyspeptic patients. Dual pH… (More)


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