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Secretory abnormalities in functional dyspepsia
1Dept. of Surgery, University Hospital, Uppsala, Sweden.
Scandinavian Journal of Gastroenterology. Supplement
|January 1, 1991
Summary
Gastric acid is not a common cause of functional dyspepsia. Many patients benefiting from acid-reducing drugs actually have underlying organic conditions like peptic ulcers.
Area of Science:
- Gastroenterology
- Digestive Health
- Clinical Medicine
Background:
- Functional dyspepsia (FD) has long been investigated for a potential link to gastric acid production.
- Similarities in symptoms and some trial results suggested gastric acid might play a key role in FD, similar to peptic ulcer disease.
Purpose of the Study:
- To re-evaluate the role of gastric acid in the pathogenesis of functional dyspepsia.
- To determine if gastric acid hypersecretion or heightened sensitivity is characteristic of FD.
Main Methods:
- Review of recent studies on well-defined functional dyspepsia patients.
- Analysis of data regarding patient response to acid-reducing medications and antacids.
Main Results:
- Hypersecretion of hydrochloric acid is uncommon in patients with well-defined functional dyspepsia.
- Evidence does not support the hypothesis that FD patients are abnormally sensitive to gastric acid.
- Patients experiencing relief from over-the-counter antacids often have organic conditions, not FD.
Conclusions:
- Gastric acid is unlikely to be a primary pathogenic factor in most cases of functional dyspepsia.
- Previous associations between FD and peptic ulcer disease may stem from misdiagnosis or inclusion of subclinical organic disease in studies.