Fig. 4
From: Nature of antireflux barrier formed by Nissen fundoplication surgery

(A) Pressure recordings in the Esophagus (Eso), Esophagogastric Junction (EGJ) and Stomach (Stom) obtained prior to and then with gastric distension at 5, 7 and 10 mmHg pressure, before and after Nissen fundoplication. Gastric Pressure (B) and EGJ pressure (C) with gastric distension were higher following Nissen compared to before Nissen fundoplication.