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Dig Dis Sci. 1997 Apr;42(4):720-3.

Gastric hypersensitivity in nonulcer dyspepsia: an inconsistent finding.

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  • 1Department of Internal Medicine I, University of Ulm, Germany.


Visceral hypersensitivity is claimed to be involved in the pathogenesis of nonulcer dyspepsia (NUD). We evaluated whether gastric hypersensitivity is a consistent finding in an unselected group of NUD patients. In 11 patients and 20 healthy controls, a standardized gastric distension was performed using a gastric barostat. Perception was scored by a questionnaire and compared between the two groups. There was a linear pressure/volume relationship during gastric distension in both groups. The pain threshold in NUD patients was significantly lower compared to controls [5.5 +/- 4.0 mm Hg above minimal distending pressure (mdp) and 10.2 +/- 2.2 mm Hg above mdp, respectively, P < 0.004], irrespective of the H. pylori status. However, more than 50% of the NUD perception scores were in the control range at most distension levels. Gastric hypersensitivity could be confirmed in NUD patients as a group. However, there is a considerable overlap concerning perception in response to distension between unselected NUD patients and controls.

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