“…Apart from the established role of an increased duodenogastric reflux (DGR) in the clinical entity of postgastrectomy alkaline reflux gastritis [12,13,14,15], there is also evidence that an impaired function of the sphincter of Oddi could induce an increased DGR and gastritis [7]. In investigations regarding patients after cholecystectomy (CHE), an increased DGR was shown with scintigraphy, aspiration and analysis of gastric contents, 24-hour pH monitoring and the Bilitec device [7,16,17,18,19,20,21,22,23].…”