{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,13]],"date-time":"2025-05-13T15:21:28Z","timestamp":1747149688422,"version":"3.40.5"},"reference-count":25,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2021,4,7]],"date-time":"2021-04-07T00:00:00Z","timestamp":1617753600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["JGH Open"],"published-print":{"date-parts":[[2021,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background and Aim<\/jats:title><jats:p>Although one of the causes of dyspeptic symptoms in functional dyspepsia patients is gastric hypersensitivity, there is currently no routine endoscopic gastric hypersensitivity test. We developed a new endoscopic method for gastric hypersensitivity testing. The aim of the present study was to investigate whether this method is useful for evaluating gastric hypersensitivity in drug\u2010resistant functional dyspepsia patients who were strongly suspected of having gastric hypersensitivity.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Twenty\u2010seven drug\u2010resistant functional dyspepsia patients and 27 nonfunctional dyspepsia patients were recruited. Gastric pressure was assessed using an external pressure transducer, and the CO<jats:sub>2<\/jats:sub> insufflation volume was measured using an endoscopic CO<jats:sub>2<\/jats:sub>\u2010supplied device and flow meter. The following variables were examined: gastric pressure at baseline and gastric pressure, the CO<jats:sub>2<\/jats:sub> insufflation volume, and compliance of the stomach when patients initially felt abdominal tension following CO<jats:sub>2<\/jats:sub> insufflation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>No significant differences were observed in baseline gastric pressure or compliance of the stomach between the groups. Drug\u2010resistant functional dyspepsia patients had a significantly smaller CO<jats:sub>2<\/jats:sub> insufflation volume and lower gastric pressure when symptoms developed than nonfunctional dyspepsia patients. Based on a cutoff value of 1.25\u2009L by receiver operating characteristic curves, sensitivity and specificity for gastric pressure were 85.0 and 96.3%, respectively. Similarly, based on a cutoff value of 12.7\u2009mmHg, sensitivity and specificity for the CO<jats:sub>2<\/jats:sub> insufflation volume were 81.5 and 81.5%, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>This endoscopic gastric hypersensitivity testing is a useful tool for evaluating the presence of gastric hypersensitivity.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jgh3.12544","type":"journal-article","created":{"date-parts":[[2021,4,7]],"date-time":"2021-04-07T09:02:25Z","timestamp":1617786145000},"page":"614-621","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["New endoscopic method for gastric hypersensitivity testing: Pilot study"],"prefix":"10.1002","volume":"5","author":[{"given":"Eri","family":"Momma","sequence":"first","affiliation":[{"name":"Department of Gastroenterology Nippon Medical School, Graduate School of Medicine  Tokyo 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