{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,28]],"date-time":"2026-07-28T17:54:05Z","timestamp":1785261245131,"version":"3.55.0"},"reference-count":11,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2022,1,12]],"date-time":"2022-01-12T00:00:00Z","timestamp":1641945600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Digestive Endoscopy"],"published-print":{"date-parts":[[2022,3]]},"abstract":"<jats:p>Endoscopic balloon dilatation is an established treatment for benign gastrointestinal strictures. In order to dilatate safely, it is necessary to dilatate gradually and preferably under direct endoscopic visualization. However, it is currently difficult to achieve dilatation widths of 20\u201330\u2009mm with commercial products and of over 30\u2010mm with endoscopic visualization. Therefore, a safe and innovative application technique is needed for patients who need these 20\u2010mm or greater dilatation widths. We have developed two methods that enable more than 20\u2010mm dilatation under direct visualization. (i) Single\u2010barrel method: an endoscopic balloon dilatation catheter was fixed with grasping forceps at the tip of the endoscope and carried into the stomach. The balloon catheter was released from the endoscope to create a retroflexed view. The endoscope and balloon were positioned adjacent to each other at the gastric cardia. The balloon was inflated gradually and the esophagogastric junction was dilatated under direct visualization. (ii) Double\u2010barrel method: the same procedure was repeated with two balloons. Theoretically, we achieved a dilatation of &gt;30\u2010mm in diameter. These modified methods may be helpful for esophagogastric junction strictures, such as esophageal achalasia (serving as an initial endoscopic balloon dilatation prior to using a 30\u2010mm achalasia balloon), or for functional strictures after Nissen fundoplication. In conclusion, our simple, modified method enables safe and gradual dilatation under direct endoscopic visualization. Additionally, combination of the sizes of one or two balloons can achieve various widths of dilatation.<\/jats:p>","DOI":"10.1111\/den.14205","type":"journal-article","created":{"date-parts":[[2021,11,27]],"date-time":"2021-11-27T12:55:33Z","timestamp":1638017733000},"page":"641-647","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Novel modified side\u2010by\u2010side balloon dilatation method for esophagogastric junction strictures: Single\u2010\/double\u2010barrel techniques"],"prefix":"10.1111","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4773-8769","authenticated-orcid":false,"given":"Akiko","family":"Toshimori","sequence":"first","affiliation":[{"name":"Digestive Disease Center Showa University Koto Toyosu Hospital Tokyo 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