Abstract
Abstract Background: Two‐dimensional ultrasonography has shown a widened gastric antrum in patients with non‐ulcer dyspepsia (NUD) and erosive prepyloric changes (EPC).Methods: In this study, volumes of gastric antrum and gallbladder were estimated with three‐dimensional (30) ultrasonography before and after ingestion of 500 ml meat soup in 17 NUD with EPC patients and in 18 healthy subjects. A mechanical ultrasound scanner, coupled to a stepping motor, tilted the transducer through an angle of 51° or 88° while recording a total of 95 or 81 images, respectively. Volume estimation was performed digitally after interactive manual contour tracing and organ reconstruction in three dimensions.Results: Antral volumes were larger in NUD patients than in healthy controls (P = 0.001). Fasting gallbladder volumes were similar in the two groups. Postprandial antral filling was more pronounced in patients than in healthy subjects (P = 0.02). whereas gallbladder emptying was more pronounced in healthy subjects than in patients (P = 0.05). The soup induced dyspeptic symptoms in 15 NUD patients, but only had this effect in two healthy subjects (P < 0.001).Conclusion: Patients with NUD and EPC are characterized by abnormal antral filling, reduced gallbladder emptying, and dyspeptic symptoms in response to ingestion of meat soup.
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