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Functional dyspepsia overlapping with other functional gastrointestinal disorders: a bibliometric and visualization
Mingming Fan1, Dexin Wang2, Kunpeng Yu3
1Nangang Branch of Heilongjiang Academy of Traditional Chinese Medicine, Harbin, China.
Frontiers in Medicine
|April 24, 2026
Summary
This bibliometric analysis maps research on functional dyspepsia (FD) overlapping other functional gastrointestinal disorders (FGIDs) over 20 years. It identifies key themes and emerging topics, offering insights for future gastroenterology studies.
Area of Science:
- Gastroenterology
- Bibliometrics
- Medical Research Trends
Background:
- Functional dyspepsia (FD) overlapping with other functional gastrointestinal disorders (FGIDs) is a significant area in gastroenterology.
- Research in this field has seen rapid advancements over the past two decades.
- Bibliometric approaches are valuable for evaluating the evolving research landscape.
Purpose of the Study:
- To comprehensively summarize research progress and trends on FD overlapping other FGIDs using network-based bibliometric methods.
- To identify major themes and emerging topics within this research area.
- To provide evidence and guidance for future investigations in the field.
Main Methods:
- Searched Web of Science Core Collection (WoSCC), Scopus, and PubMed for publications from 2005-2025.
- Utilized VOSviewer, CiteSpace, and the bibliometrix R package for bibliometric analysis.
- Conducted cross-database validation to ensure robustness of temporal trends, thematic foci, and country rankings.
Main Results:
- Retrieved 3,030 WoSCC records, with Nicholas J. Talley and Jan Tack as highly prolific authors.
- Mayo Clinic, KU Leuven, and the University of Newcastle were the leading institutions.
- The USA led in publications, and key journals included Neurogastroenterology and Motility, Alimentary Pharmacology & Therapeutics, and American Journal of Gastroenterology.
- Multi-database validation confirmed consistent publication trends, keyword overlaps, and stable research emphases.
Conclusions:
- This study provides a comprehensive map of research evolution on FD overlapping other FGIDs over the past two decades.
- The findings offer updated insights and a valuable reference for researchers in the field.
- This bibliometric overview facilitates a thorough review and informs future research directions.
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