{"title":"DEN Digestive Endoscopy","authors":"","doi":"10.1111/den.14861","DOIUrl":"10.1111/den.14861","url":null,"abstract":"<p>July 4–6, 2024</p><p>COEX Convention and Exhibition Center,</p><p>Seoul, Korea</p><p>Dear Colleagues,</p><p>The World Endoscopy Organization (WEO) has been the voice of world endoscopy for nearly 60 years. Over this time WEO has placed great importance on its educational and internationally collaborative activities. In the past 7 years, WEO has hosted three successful World Congresses, first in Hyderabad in 2017, then in Rio de Janeiro in 2020, and most recently in 2022 in Kyoto; we are certain that we will offer an even more fruitful conference in 2024.</p><p>ENDO 2024, our fourth World Congress, has been organized jointly with the International Digestive Endoscopy Network (IDEN), and will take place from 4 to 6 July 2024 in Seoul, Korea. We sincerely appreciate the strong support of President of the Korean Society for Gastrointestinal Endoscopy (KSGE) and IDEN, Professor Jong-Jae Park. An important milestone in the preparation for ENDO 2024 was the selection of internationally renowned experts, including Drs. Jean-Francois Rey and Don-Wan Seo as Chair and Co-Chair of the Steering Committee, and Drs. Philip Chiu and Jong Ho Moon as Chair and Co-Chair of the Scientific Committee.</p><p>We have put together a stimulating 3-day program. Highlights include 2 full days of live demonstrations from India, China, Thailand, and Korea, the provision of 20 hands-on stations, more than 20 scientific symposia, 6 joint international symposia with major partner societies, 5 WEO educational courses, and much more! We are also proud to announce that the conference includes special attention to the topic of Women in Endoscopy and to the International Outreach program that focuses on support for teaching and training on the African continent.</p><p>WEO takes great pride in supporting the next generation of endoscopists and the 4th World Congress reflects this by the award of grants to young endoscopists. Authors of top-ranked abstracts will receive ENDO 2024 grants offered by WEO, the Japan Gastroenterological Endoscopy Society (JGES), the Chinese Society of Digestive Endoscopology (CSDE), and the Asian-Pacific Society for Digestive Endoscopy (A-PSDE). In addition, the scientific program emphasizes themes relevant to the future of endoscopy.</p><p>We would like to thank here the industry partners who are generously supporting this Congress. Without their help WEO could not organize a meeting of this magnitude. They are genuinely our partners, and we look forward to building on these relationships.</p><p>ENDO 2024 looks forward to attracting a very large number of international delegates and to welcoming the local Korean scientific community.\u0000 </p><p>Dear Colleagues,</p><p>With great pleasure, we extend our heartfelt gratitude on behalf of the ENDO 2024 Scientific Committee to both our abstract submitters and reviewers for their unwavering support of the 4th World Congress of GI Endoscopy.</p><p>The response we received was truly inspiring, with a rob","PeriodicalId":159,"journal":{"name":"Digestive Endoscopy","volume":"36 S1","pages":"2-9"},"PeriodicalIF":5.0,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/den.14861","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141478120","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Purnima Bhat, Arthur John Kaffes, Kristoffer Lassen, Lars Aabakken
{"title":"Upper gastrointestinal endoscopy in the surgically altered patient","authors":"Purnima Bhat, Arthur John Kaffes, Kristoffer Lassen, Lars Aabakken","doi":"10.1111/den.14823","DOIUrl":"10.1111/den.14823","url":null,"abstract":"<p>As management of upper gastrointestinal malignancies improves, and with popularization of bariatric surgery, endoscopists are likely to meet patients with altered upper gastrointestinal anatomy. Short-term, the surgery can cause complications like bleeding, leaks, and fistulas, and longer-term problems such as intestinal or biliary anastomotic strictures or biliary stones can arise, all necessitating endoscopy. In addition, the usual upper gastrointestinal pathologies can also still occur. These patients pose unique challenges. To proceed, understanding the new layout of the upper gastrointestinal tract is essential. The endoscopist, armed with a clear plan for navigation, can readily diagnose and manage most commonly occurring conditions, such as marginal ulcers and proximal anastomotic strictures with standard endoscopic instruments. With complex reconstructions involving long segments of small bowel, such as Roux-en-Y gastric bypass, utilization of balloon-assisted enteroscopy may be necessary, mandating modification of procedures such as endoscopic retrograde cholangiopancreatography. Successful endoscopic management of patients with altered anatomy will require prior planning and preparation to ensure the appropriate equipment, setting, and skill set is provided.</p>","PeriodicalId":159,"journal":{"name":"Digestive Endoscopy","volume":"36 10","pages":"1077-1093"},"PeriodicalIF":5.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/den.14823","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141478119","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Roupen Djinbachian, Douglas K. Rex, Han-Mo Chiu, Norio Fukami, Hiroyuki Aihara, Barbara A. J. Bastiaansen, Robert Bechara, Pradeep Bhandari, Amit Bhatt, Michael J. Bourke, Jeong-Sik Byeon, Daniela Cardoso, Akiko Chino, Philip W. Y. Chiu, Evelien Dekker, Peter V. Draganov, Shaimaa Elkholy, Fabian Emura, John Goldblum, Amyn Haji, Shiaw-Hooi Ho, Yunho Jung, Hiroshi Kawachi, Mouen Khashab, Supakij Khomvilai, Eun Ran Kim, Roberta Maselli, Helmut Messmann, Leon Moons, Yuichi Mori, Yukihiro Nakanishi, Saowanee Ngamruengphong, Adolfo Parra-Blanco, María Pellisé, Rafael Castilho Pinto, Mathieu Pioche, Heiko Pohl, Amit Rastogi, Alessandro Repici, Amrita Sethi, Rajvinder Singh, Noriko Suzuki, Shinji Tanaka, Michael Vieth, Hironori Yamamoto, Dong-Hoon Yang, Chizu Yokoi, Yutaka Saito, Daniel von Renteln
{"title":"International consensus on the management of large (≥20 mm) colorectal laterally spreading tumors: World Endoscopy Organization Delphi study","authors":"Roupen Djinbachian, Douglas K. Rex, Han-Mo Chiu, Norio Fukami, Hiroyuki Aihara, Barbara A. J. Bastiaansen, Robert Bechara, Pradeep Bhandari, Amit Bhatt, Michael J. Bourke, Jeong-Sik Byeon, Daniela Cardoso, Akiko Chino, Philip W. Y. Chiu, Evelien Dekker, Peter V. Draganov, Shaimaa Elkholy, Fabian Emura, John Goldblum, Amyn Haji, Shiaw-Hooi Ho, Yunho Jung, Hiroshi Kawachi, Mouen Khashab, Supakij Khomvilai, Eun Ran Kim, Roberta Maselli, Helmut Messmann, Leon Moons, Yuichi Mori, Yukihiro Nakanishi, Saowanee Ngamruengphong, Adolfo Parra-Blanco, María Pellisé, Rafael Castilho Pinto, Mathieu Pioche, Heiko Pohl, Amit Rastogi, Alessandro Repici, Amrita Sethi, Rajvinder Singh, Noriko Suzuki, Shinji Tanaka, Michael Vieth, Hironori Yamamoto, Dong-Hoon Yang, Chizu Yokoi, Yutaka Saito, Daniel von Renteln","doi":"10.1111/den.14826","DOIUrl":"10.1111/den.14826","url":null,"abstract":"<div>\u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>There have been significant advances in the management of large (≥20 mm) laterally spreading tumors (LSTs) or nonpedunculated colorectal polyps; however, there is a lack of clear consensus on the management of these lesions with significant geographic variability especially between Eastern and Western paradigms. We aimed to provide an international consensus to better guide management and attempt to homogenize practices.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Two experts in interventional endoscopy spearheaded an evidence-based Delphi study on behalf of the World Endoscopy Organization Colorectal Cancer Screening Committee. A steering committee comprising six members devised 51 statements, and 43 experts from 18 countries on six continents participated in a three-round voting process. The Grading of Recommendations, Assessment, Development and Evaluations tool was used to assess evidence quality and recommendation strength. Consensus was defined as ≥80% agreement (strongly agree or agree) on a 5-point Likert scale.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Forty-two statements reached consensus after three rounds of voting. Recommendations included: three statements on training and competency; 10 statements on preresection evaluation, including optical diagnosis, classification, and staging of LSTs; 14 statements on endoscopic resection indications and technique, including statements on en bloc and piecemeal resection decision-making; seven statements on postresection evaluation; and eight statements on postresection care.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>An international expert consensus based on the current available evidence has been developed to guide the evaluation, resection, and follow-up of LSTs. This may provide guiding principles for the global management of these lesions and standardize current practices.</p>\u0000 </section>\u0000 </div>","PeriodicalId":159,"journal":{"name":"Digestive Endoscopy","volume":"36 11","pages":"1253-1268"},"PeriodicalIF":5.0,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/den.14826","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141461199","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Giuseppe Vanella, Francesco Frigo, Paolo Giorgio Arcidiacono
{"title":"Endoscopic ultrasound-guided gallbladder drainage for jaundice: Second-line strategy with a strict entry selection","authors":"Giuseppe Vanella, Francesco Frigo, Paolo Giorgio Arcidiacono","doi":"10.1111/den.14876","DOIUrl":"10.1111/den.14876","url":null,"abstract":"<p>We extend our sincere congratulations to Debourdeau <i>et al</i>. for their GALLBLADEUS Study,<span><sup>1</sup></span> a pioneering retrospective comparative analysis of endoscopic ultrasound-guided choledochoduodenostomy (EUS-CDS) versus gallbladder drainage (EUS-GBD) following failed endoscopic retrograde cholangiopancreatography (ERCP) for managing distal malignant biliary obstruction (dMBO).</p><p>While commending the authors for their objective and balanced reporting of results, this letter aims to dissect and underscore critical points to accurately convey the study's conclusions and avoid a superficial interpretation suggesting equivalence between EUS-CDS and EUS-GBD.</p><p>First, the two study arms appear mutually exclusive, as EUS-GBD seemingly acted as a third-line rescue in patients with failed ERCP and anticipated more challenging EUS-CDS (see significantly lower median bile duct diameter). Second, EUS-GBD exhibited a slower reduction in bilirubin levels at 7 and 30 days compared to EUS-CDS, despite similar chemotherapy access. Moreover, the higher rate of adverse events in the EUS-CDS group mainly stems from dysfunction events, occurring in a population where about 50% of patients presented with duodenal stenosis, an increasingly recognized risk factor for EUS-CDS dysfunction,<span><sup>2-4</sup></span> if not a proper contraindication to EUS-CDS. The study's exclusive focus on transgastric EUS-GBD, likely chosen to avoid the problem of duodenal invasion and mitigate tumor interference, further complicates generalizability. Finally, it is important to remember that EUS-GBD for jaundice inherently relies on a careful assessment of a patent's cystic duct.</p><p>Consequently, while the GALLBLADEUS study implies EUS-GBD as a viable option for selected patients with dMBO where ERCP and EUS-CDS are unfeasible, it falls short of suggesting equivalence between techniques and lots of prerequisites need to be ascertained.</p><p>Notably, EUS-GBD remains untested against EUS-hepaticogastrostomy, which exhibits promising performance, especially in the case of duodenal infiltration.<span><sup>3, 5</sup></span></p><p>The game in the realm of EUS-guided biliary drainage strategies remains open, but our comprehension of the players involved is certainly growing deeper.</p><p>Authors declare no conflict of interest for this article.</p>","PeriodicalId":159,"journal":{"name":"Digestive Endoscopy","volume":"37 1","pages":"130"},"PeriodicalIF":5.0,"publicationDate":"2024-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/den.14876","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141461196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Exploring the potential: New chapter in gastrointestinal endoscopy with innovative 3D imaging technology","authors":"Xiaoqing Lin, Ken Ohata, Yohei Minato","doi":"10.1111/den.14866","DOIUrl":"10.1111/den.14866","url":null,"abstract":"","PeriodicalId":159,"journal":{"name":"Digestive Endoscopy","volume":"36 8","pages":"952"},"PeriodicalIF":5.0,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141461197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Factors affecting complete stone removal and bile duct stone recurrence in patients with surgically altered anatomy treated by double-balloon endoscopy-assisted endoscopic retrograde cholangiography","authors":"Kensuke Yokoyama, Atsushi Kanno, Akitsugu Tanaka, Yusuke Sakurai, Eriko Ikeda, Kozue Ando, Hiroki Nagai, Tomonori Yano, Hironori Yamamoto","doi":"10.1111/den.14824","DOIUrl":"10.1111/den.14824","url":null,"abstract":"<div>\u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>This study assessed factors influencing the complete removal and recurrence of bile duct stones in patients with surgically altered anatomy (SAA) undergoing double-balloon endoscopy-assisted endoscopic retrograde cholangiography (DBERC).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>A retrospective analysis of 289 patients with SAA treated for biliary stones with DBERC at Jichi Medical University Hospital (January 2007 to December 2022) was conducted. Evaluation of factors impacting complete stone removal was performed in 257 patients with successful bile duct cannulation. Logistic and Cox proportional hazards regression models were used to compute the odds ratios (ORs) and hazard ratios (HRs) at 95% confidence intervals (CIs).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Of 257 patients, 139 (54.0%) and 209 (81.3%) achieved initial and complete removal, respectively. Recurrence occurred in 55 (21.4%) patients. Factors associated with initial complete stone removal included cholangitis (<i>P</i> < 0.01, OR 0.48, 95% CI 0.27–0.83), number of stones (<i>P</i> < 0.01, OR 0.31, 95% CI 0.18–0.54), and largest stone diameter (<i>P</i> < 0.01, OR 0.37, 95% CI 0.20–0.67). The size of the largest stone was associated with complete removal (<i>P</i> = 0.01, OR 0.24, 95% CI 0.13–0.76). Recurrence was associated with cholangitis (<i>P</i> = 0.046, HR 0.54, 95% CI 0.29–0.99), congenital biliary dilatation (<i>P</i> = 0.01, HR 2.65, 95% CI 1.21–5.80), and number of stones (<i>P</i> = 0.02, HR 1.96, 95% CI 1.12–3.41).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Successful complete bile stone removal in patients with SAA depends on the stone diameter and number. Stone recurrence is influenced by the number of stones and history of congenital biliary dilatation.</p>\u0000 </section>\u0000 </div>","PeriodicalId":159,"journal":{"name":"Digestive Endoscopy","volume":"36 11","pages":"1269-1279"},"PeriodicalIF":5.0,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141461198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Muscle resection biopsy during peroral endoscopic myotomy in a patient with achalasia","authors":"Shinya Hoki, Hirofumi Abe, Chise Ueda","doi":"10.1111/den.14871","DOIUrl":"10.1111/den.14871","url":null,"abstract":"<p>Esophageal achalasia is an esophageal motility disorder, primarily characterized by degeneration of the esophageal myenteric plexus.<span><sup>1</sup></span> Although the myenteric plexus is the primary concern during pathogenesis of achalasia,<span><sup>2</sup></span> a method for endoscopically sampling it has not yet been established. We report a novel sampling method—muscle resection biopsy—designed to sample the myenteric plexus while distinguishing between the circular and longitudinal muscle layers during peroral endoscopic myotomy (Video S1). A submucosal tunnel was first created and a small full-thickness muscle incision was made just above the lower esophageal sphincter using a needle-type knife (FlushKnife BTS3.0; FUJIFILM Holdings Corporation, Tokyo, Japan) and laterally extended to both sides, forming a U shape (Fig. 1a). A hemostatic clip (EZclip; Olympus Corporation, Tokyo, Japan), with one arm marked in red, was applied to the shaped muscle layers with the marked arm on the luminal side (Fig. 1b,c). We then excised the remaining muscle layers using a snare (SD-221L-25; Olympus Corporation; Fig. 1d) and collected the resected tissue.</p><p>Peroral endoscopic muscle biopsy using a submucosal tunnel has been recognized as a simple and useful sampling method for evaluating eosinophilic infiltration and fibrosis in the muscle layer.<span><sup>3</sup></span> However, the small size of biopsy samples and tissue damage caused by biopsy forceps make identifying the myenteric plexus and preserving the structures of both the circular and longitudinal muscle layers challenging. Although this method is time-consuming, requires skillful manipulation of an endoknife, and has potential risk of bleeding, it enables the collection of large, undamaged, tissues via biopsy forceps and allows for identification of the myenteric plexus and muscle layers while preserving the microscopic structure of the luminal wall (Fig. 2). Histopathological information obtained by this approach can be useful for assessing the microenvironment underlying the neurodegeneration in combination with immunohistochemical staining results.</p><p>Authors declare no conflict of interest for this article.</p>","PeriodicalId":159,"journal":{"name":"Digestive Endoscopy","volume":"36 9","pages":"1052-1053"},"PeriodicalIF":5.0,"publicationDate":"2024-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/den.14871","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141461200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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