{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,8]],"date-time":"2026-04-08T15:08:49Z","timestamp":1775660929194,"version":"3.50.1"},"reference-count":63,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,4,8]],"date-time":"2026-04-08T00:00:00Z","timestamp":1775606400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Med."],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Functional dyspepsia (FD) overlapping with other functional gastrointestinal disorders (FGIDs) has been a prominent topic in gastroenterology. Knowledge in this area has evolved rapidly over the past two decades. Using bibliometric approaches, this study aimed to evaluate the research landscape on FD overlapping other FGIDs over the last 20\u202fyears and to identify major themes and emerging topics.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To apply network-based bibliometric methods to comprehensive summarize research progress and trends on FD overlapping other FGIDs, thereby providing evidence and guidance for further studies.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>On October 1, 2025, we searched the Web of Science Core Collection (WoSCC) for publications from 2005 to 2025 related to FD overlapping other FGIDs. Records were imported into VOSviewer, CiteSpace, and the bibliometrix R package to extract metadata and conduct bibliometric analyses, including annual output, countries\/regions, authors, institutions, journals, citation counts, and keywords. To ensure robustness and generalizability, equivalent searches were conducted in Scopus and PubMed using the same keyword set, time span, and eligibility criteria. Cross-database validation assessed concordance in temporal trends, thematic foci, and country rankings.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A total of 3,030 WoSCC records were retrieved. Nicholas J. Talley ranked first by number of publications (\n                      <jats:italic>n<\/jats:italic>\n                      \u202f=\u202f188), followed by Jan Tack (\n                      <jats:italic>n<\/jats:italic>\n                      \u202f=\u202f95). The top three institutions were Mayo Clinic, USA (\n                      <jats:italic>n<\/jats:italic>\n                      \u202f=\u202f170), KU Leuven, Belgium (\n                      <jats:italic>n<\/jats:italic>\n                      \u202f=\u202f123), and the University of Newcastle, Australia (\n                      <jats:italic>n<\/jats:italic>\n                      \u202f=\u202f120). The USA contributed the largest number of publications (\n                      <jats:italic>n<\/jats:italic>\n                      \u202f=\u202f820). The three most productive journals were\n                      <jats:italic>Neurogastroenterology and Motility<\/jats:italic>\n                      (\n                      <jats:italic>n<\/jats:italic>\n                      \u202f=\u202f209),\n                      <jats:italic>Alimentary Pharmacology &amp;amp; Therapeutics<\/jats:italic>\n                      (\n                      <jats:italic>n<\/jats:italic>\n                      \u202f=\u202f106), and\n                      <jats:italic>American Journal of Gastroenterology<\/jats:italic>\n                      (\n                      <jats:italic>n<\/jats:italic>\n                      \u202f=\u202f96). Importantly, multi-database validation demonstrated high consistency in annual publication trends, substantial overlap among high-frequency keywords, and stable geographic and disease-focused research emphases.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>This study comprehensive maps the evolution of research on FD overlapping other FGIDs over the past two decades, providing researchers with an updated overview and fresh insights. Our findings facilitate a comprehensive review of the field and offer a reference to inform future investigations.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fmed.2026.1742579","type":"journal-article","created":{"date-parts":[[2026,4,8]],"date-time":"2026-04-08T14:34:12Z","timestamp":1775658852000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Functional dyspepsia overlapping with other functional gastrointestinal disorders: a bibliometric and visualization analysis"],"prefix":"10.3389","volume":"13","author":[{"given":"Mingming","family":"Fan","sequence":"first","affiliation":[{"name":"Nangang Branch of Heilongjiang Academy of Traditional Chinese Medicine","place":["Harbin, China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dexin","family":"Wang","sequence":"additional","affiliation":[{"name":"Cell Biology Laboratory, Key Laboratory of Liver and Kidney Disease of the Ministry of Education, Clinical Key Laboratory of TCM of Shanghai, Institute of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine (TCM), Shanghai University of TCM","place":["Shanghai, China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kunpeng","family":"Yu","sequence":"additional","affiliation":[{"name":"Shenyang Anorectal Hospital","place":["Shenyang, China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaojun","family":"Cai","sequence":"additional","affiliation":[{"name":"Xiangan Branch of Heilongjiang Academy of Traditional Chinese Medicine","place":["Harbin, China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiankun","family":"Cui","sequence":"additional","affiliation":[{"name":"Heilongjiang University of Traditional Chinese Medicine","place":["Harbin, China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fei","family":"Li","sequence":"additional","affiliation":[{"name":"Nangang Branch of Heilongjiang Academy of Traditional Chinese Medicine","place":["Harbin, China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cong","family":"Sun","sequence":"additional","affiliation":[{"name":"Nangang Branch of Heilongjiang Academy of Traditional Chinese Medicine","place":["Harbin, China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aofei","family":"Wang","sequence":"additional","affiliation":[{"name":"Nangang Branch of Heilongjiang Academy of Traditional Chinese Medicine","place":["Harbin, China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yong","family":"Li","sequence":"additional","affiliation":[{"name":"Second Affiliated Hospital of Heilongjiang University of Chinese Medicine","place":["Harbin, China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qingyan","family":"Liu","sequence":"additional","affiliation":[{"name":"Nangang Branch of Heilongjiang Academy of Traditional Chinese Medicine","place":["Harbin, China"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1965","published-online":{"date-parts":[[2026,4,8]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"1262","DOI":"10.1053\/j.gastro.2016.02.032","article-title":"Functional gastrointestinal disorders: history, pathophysiology, clinical features, and Rome IV","volume":"150","author":"Drossman","year":"2016","journal-title":"Gastroenterology"},{"key":"ref2","doi-asserted-by":"publisher","first-page":"197","DOI":"10.1111\/jgh.16046","article-title":"Asia-pacific guidelines for managing functional dyspepsia overlapping with other gastrointestinal symptoms","volume":"38","author":"Gwee","year":"2023","journal-title":"J Gastroenterol Hepatol"},{"key":"ref3","doi-asserted-by":"publisher","first-page":"1167","DOI":"10.14309\/ajg.0000000000000619","article-title":"Gastroesophageal reflux disease-functional dyspepsia overlap: do birds of a feather flock together?","volume":"115","author":"Geeraerts","year":"2020","journal-title":"Am J Gastroenterol"},{"key":"ref4","doi-asserted-by":"publisher","first-page":"41","DOI":"10.14309\/ajg.0000000000000485","article-title":"What causes functional gastrointestinal disorders? 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