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Fujisawa T, Ishii S, Nakai Y, Kogure H, Tomishima K, Takasaki Y, Ito K, Takahashi S, Suzuki A, Isayama H. Dedicated Echoendoscope for Interventional Endoscopic Ultrasound: Comparison with a Conventional Echoendoscope. J Clin Med 2024; 13:2840. [PMID: 38792381 PMCID: PMC11121945 DOI: 10.3390/jcm13102840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 05/06/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
Background/Objective: Interventional endoscopic ultrasound (I-EUS) is technically difficult and has risks of severe adverse events due to the scarcity of dedicated endoscopes and tools. A new EUS scope was developed for I-EUS and was modified to increase the puncture range, reduce the blind area, and overcome guidewire difficulties. We evaluated the usefulness and safety of a new EUS scope compared to a conventional EUS scope. Methods: All I-EUS procedures were performed at Juntendo University Hospital from April 2020 to April 2022. The primary outcomes included the procedure time and fluoroscopy time. The secondary outcomes included the technical success rate and the rates of procedure-related adverse events. Clinical data were retrospectively reviewed and statistically analyzed between the new and conventional EUS scopes. Results: In total, 143 procedures in 120 patients were analyzed. The procedure time was significantly shorter with the new EUS scope, but the fluoroscopy time was not different. Among the patients only undergoing EUS-guided biliary drainage (EUS-BD), 79 procedures in 74 patients were analyzed. Both the procedure time and fluoroscopy time were significantly shorter with the new EUS scope. Multivariate analysis revealed that a new EUS scope and use of covered metal stents could reduce the fluoroscopy time. The technical success rate and the adverse event rate were not significantly different between the total I-EUS and the EUS-BD only groups. However, the conventional scope showed stent deviation during stent placement, which did not happen with the new scope. Conclusions: The new EUS scope reduced procedure time for total I-EUS and fluoroscopy time for EUS-BD compared to a conventional EUS scope because of the improvement suitable for I-EUS.
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Affiliation(s)
- Toshio Fujisawa
- Department of Gastroenterology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (T.F.); (S.I.); (K.T.); (Y.T.); (K.I.); (S.T.); (A.S.)
| | - Shigeto Ishii
- Department of Gastroenterology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (T.F.); (S.I.); (K.T.); (Y.T.); (K.I.); (S.T.); (A.S.)
| | - Yousuke Nakai
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
- Department of Internal Medicine, Institute of Gastroenterology, Tokyo Women’s Medical University, Tokyo 162-8666, Japan
| | - Hirofumi Kogure
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo 173-8610, Japan;
| | - Ko Tomishima
- Department of Gastroenterology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (T.F.); (S.I.); (K.T.); (Y.T.); (K.I.); (S.T.); (A.S.)
| | - Yusuke Takasaki
- Department of Gastroenterology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (T.F.); (S.I.); (K.T.); (Y.T.); (K.I.); (S.T.); (A.S.)
| | - Koichi Ito
- Department of Gastroenterology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (T.F.); (S.I.); (K.T.); (Y.T.); (K.I.); (S.T.); (A.S.)
| | - Sho Takahashi
- Department of Gastroenterology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (T.F.); (S.I.); (K.T.); (Y.T.); (K.I.); (S.T.); (A.S.)
| | - Akinori Suzuki
- Department of Gastroenterology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (T.F.); (S.I.); (K.T.); (Y.T.); (K.I.); (S.T.); (A.S.)
| | - Hiroyuki Isayama
- Department of Gastroenterology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (T.F.); (S.I.); (K.T.); (Y.T.); (K.I.); (S.T.); (A.S.)
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Neuhaus H. Choose the best alternative wisely for biliary interventions after failed ERCP! Endosc Int Open 2024; 12:E176-E178. [PMID: 38292590 PMCID: PMC10827475 DOI: 10.1055/a-2230-8540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 12/06/2023] [Indexed: 02/01/2024] Open
Affiliation(s)
- Horst Neuhaus
- Gastroenterology, Interdisciplinary Care Clinic RKM740, Düsseldorf, Germany
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