Abstract
Background
The present survey aimed to clarify the prevalence of gastroesophageal reflux disease (GERD) and functional dyspepsia (FD) in patients presenting with epigastric symptoms in Japan based on the Montreal definition and the Rome III criteria, respectively, and to determine the degree of overlap between the two disease entities and the validity of using these Western-developed diagnostic criteria in Japan.
Methods
Patients presenting with epigastric symptoms for whom the first upper gastrointestinal endoscopy was scheduled from April through August 2007 at 55 institutions were asked to complete a questionnaire to ascertain the type, frequency, and severity of epigastric symptoms. The prevalence of esophageal mucosal damage was also determined from endoscopic findings.
Results
A total of 1,076 patients were included in the analysis population. There was a high degree of coincidence for all symptoms, with the mean number of symptoms per patient of 2.8. With strict application of the Montreal and Rome III definitions, symptomatic GERD accounted for 15.6% (168 patients), whereas FD accounted for 10.3% (111 patients), and the overlap between GERD and FD symptoms was less than 10%. However, when frequency and severity alone were considered in more broadly defined criteria, the overlap between GERD and FD symptoms was 30–40%.
Conclusion
A highly specific disease classification is possible when the Montreal definition and the Rome III criteria are strictly applied. On the other hand, the present survey highlighted a problem with the criteria whereby a definitive diagnosis could not be made in a substantial number of patients. This problem will require further research.
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Acknowledgments
This study was funded by the GERD Society.
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This work is dedicated to the late Dr. Teruo Kouzu, one of the authors.
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Ohara, S., Kawano, T., Kusano, M. et al. Survey on the prevalence of GERD and FD based on the Montreal definition and the Rome III criteria among patients presenting with epigastric symptoms in Japan. J Gastroenterol 46, 603–611 (2011). https://doi.org/10.1007/s00535-011-0382-1
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DOI: https://doi.org/10.1007/s00535-011-0382-1