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Yousuke Nakai 8 Articles
Evaluation of the mechanical properties of current biliary self-expandable metallic stents: axial and radial force, and axial force zero border
Wataru Yamagata, Toshio Fujisawa, Takashi Sasaki, Rei Ishibashi, Tomotaka Saito, Shuntaro Yoshida, Shizuka No, Kouta Inoue, Yousuke Nakai, Naoki Sasahira, Hiroyuki Isayama
Clin Endosc 2023;56(5):633-649.   Published online April 10, 2023
DOI: https://doi.org/10.5946/ce.2022.201
Graphical AbstractGraphical Abstract AbstractAbstract PDFPubReaderePub
Background
/Aims: Mechanical properties (MPs) and axial and radial force (AF and RF) may influence the efficacy and complications of self-expandable metallic stent (SEMS) placement. We measured the MPs of various SEMSs and examined their influence on the SEMS clinical ability.
Methods
We evaluated the MPs of 29 types of 10-mm SEMSs. RF was measured using a conventional measurement device. AF was measured using the conventional and new methods, and the correlation between the methods was evaluated.
Results
A high correlation in AFs was observed, as measured by the new and conventional manual methods. AF and RF scatterplots divided the SEMSs into three subgroups according to structure: hook-and-cross-type (low AF and RF), cross-type (high AF and low RF), and laser-cut-type (intermediate AF and high RF). The hook-and-cross-type had the largest axial force zero border (>20°), followed by the laser-cut and cross types.
Conclusions
MPs were related to stent structure. Hook-and-cross-type SEMSs had a low AF and high axial force zero border and were considered safest because they caused minimal stress on the biliary wall. However, the increase in RF must be overcome.

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  • Characteristics of four commonly used self-expanding biliary stents: an in vitro study
    Jiaywei Tsauo, Yan Fu, Yue Liu, Xiaowu Zhang, He Zhao, Xiao Li
    European Radiology Experimental.2024;[Epub]     CrossRef
  • Outcomes of 6‐mm diameter fully covered self‐expandable metal stents for preoperative biliary drainage in pancreatic cancer
    Hiroki Nakagawa, Tsuyoshi Takeda, Takeshi Okamoto, Takafumi Mie, Akiyoshi Kasuga, Takashi Sasaki, Masato Ozaka, Takahisa Matsuda, Yoshinori Igarashi, Naoki Sasahira
    DEN Open.2024;[Epub]     CrossRef
  • Late-onset Rupture of the Intrahepatic Pseudoaneurysm Developed by Endoscopic Ultrasonography-guided Hepaticogastrostomy: A Case Report and Literature Review
    Tesshin Ban, Yoshimasa Kubota, Takuya Takahama, Shun Sasoh, Satoshi Tanida, Makoto Nakamura, Tomoaki Ando, Takashi Joh
    Internal Medicine.2024;[Epub]     CrossRef
  • Dosimetric characteristics of self-expandable metallic and plastic stents for transpapillary biliary decompression in external beam radiotherapy
    Yoshihiro Ueda, Kenji Ikezawa, Tomohiro Sagawa, Masaru Isono, Shingo Ohira, Masayoshi Miyazaki, Ryoji Takada, Takuo Yamai, Kazuyoshi Ohkawa, Teruki Teshima, Koji Konishi
    Physical and Engineering Sciences in Medicine.2024;[Epub]     CrossRef
  • Understanding mechanical properties of biliary metal stents for wise stent selection
    Seok Jeong
    Clinical Endoscopy.2023; 56(5): 592.     CrossRef
  • How to reduce fistula formation after self-expandable metallic stent insertion for treating malignant esophageal stricture?
    Kwang Bum Cho
    Clinical Endoscopy.2023; 56(6): 735.     CrossRef
  • 3,001 View
  • 204 Download
  • 4 Web of Science
  • 6 Crossref
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Endoscopic Biliary Drainage for Hilar Obstruction: Further Evidence But Still A Long Way To Go
Yousuke Nakai
Clin Endosc 2021;54(5):629-630.   Published online June 23, 2021
DOI: https://doi.org/10.5946/ce.2021.158
PDFPubReaderePub

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  • Loop technique for guidewire manipulation during endoscopic ultrasound‐guided hepaticogastrostomy
    Haruo Miwa, Kazuya Sugimori, Yuto Matsuoka, Kazuki Endo, Ritsuko Oishi, Masaki Nishimura, Yuichiro Tozuka, Takashi Kaneko, Kazushi Numata, Shin Maeda
    JGH Open.2023; 7(5): 358.     CrossRef
  • 2,982 View
  • 82 Download
  • 1 Web of Science
  • 1 Crossref
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Current Status of Endoscopic Ultrasound Techniques for Pancreatic Neoplasms
Yousuke Nakai, Naminatsu Takahara, Suguru Mizuno, Hirofumi Kogure, Kazuhiko Koike
Clin Endosc 2019;52(6):527-532.   Published online July 24, 2019
DOI: https://doi.org/10.5946/ce.2019.025
AbstractAbstract PDFPubReaderePub
Endoscopic ultrasound (EUS) now plays an important role in the management of pancreatic neoplasms. There are various types of pancreatic neoplasms, from benign to malignant lesions, and the role of EUS ranges from the imaging diagnosis to treatment. EUS is useful for the detection, characterization, and tissue acquisition of pancreatic lesions. Recent advancement of contrast-enhanced harmonic EUS and elastography enables better characterization of pancreatic lesions. In addition to these enhanced EUS imaging techniques, EUS-guided tissue acquisition is now the standard procedure to establish the pathological diagnosis of pancreatic neoplasms. While these diagnostic roles of EUS have been established, EUS-guided interventions such as ablation and drainage are also increasingly utilized in the management of pancreatic neoplasms. However, most of these EUS-guided interventions are not yet standardized in terms of techniques and devices and thus need further investigations.

Citations

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    Cosmas Rinaldi Adithya Lesmana
    World Journal of Gastrointestinal Surgery.2023; 15(2): 163.     CrossRef
  • Artificial intelligence assisted endoscopic ultrasound for detection of pancreatic space-occupying lesion: a systematic review and meta-analysis
    Arkadeep Dhali, Vincent Kipkorir, Bahadar S. Srichawla, Harendra Kumar, Roger B. Rathna, Ibsen Ongidi, Talha Chaudhry, Gisore Morara, Khulud Nurani, Doreen Cheruto, Jyotirmoy Biswas, Leonard R. Chieng, Gopal Krishna Dhali
    International Journal of Surgery.2023; 109(12): 4298.     CrossRef
  • Endotherapy in Pancreatic Diseases
    Vaneet Jearth, Surinder S. Rana
    Journal of Digestive Endoscopy.2022; 13(01): 019.     CrossRef
  • Endoscopic Management of Pancreatobiliary Malignancies
    Dong Wook Lee, Eun Young Kim
    Digestive Diseases and Sciences.2022; 67(5): 1635.     CrossRef
  • Bazo accesorio intrapancreático: reporte de caso resuelto con pancreatectomía distal robótica
    Armando Pereyra-Talamantes, Juan Eduardo Flores-Martín, Marco Antonio Gallaga-Rojas, Jesús Emmanuel Rodríguez-Silverio, Erikc González-Azua, Mario Eduardo Alonso-Calamaco, Enrique Jiménez-Chavarría, Héctor F Noyola-Villalobos
    Revista Mexicana de Cirugía Endoscópica.2022; 23(1-2): 41.     CrossRef
  • Dynamic Doppler Ultrasound Assessment of Tissue Perfusion Is a Better Tool than a Single Vessel Doppler Examination in Differentiating Malignant and Inflammatory Pancreatic Lesions
    Przemysław Dyrla, Arkadiusz Lubas, Jerzy Gil, Marek Saracyn, Maciej Gonciarz
    Diagnostics.2021; 11(12): 2289.     CrossRef
  • Differential diagnosis of solid pancreatic masses
    Julio Iglesias-Garcia, Daniel de la Iglesia-Garcia, José M. Olmos-Martinez, José Lariño-Noia, J. Enrique Dominguez-Muñoz
    Minerva Gastroenterologica e Dietologica.2020;[Epub]     CrossRef
  • 5,530 View
  • 238 Download
  • 6 Web of Science
  • 7 Crossref
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Is the July Effect Real in Patients Undergoing Endoscopic Retrograde Cholangiopancreatography?
Tae Yoon Lee, Yousuke Nakai
Clin Endosc 2019;52(5):399-400.   Published online July 25, 2019
DOI: https://doi.org/10.5946/ce.2019.132
PDFPubReaderePub

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  • Increased ERCP volume improves cholangiogram interpretation: a new performance measure for ERCP training?
    Shyam Vedantam, Sunil Amin, Ben Maher, Saqib Ahmad, Shanil Kadir, Saad Khalid Niaz, Mark Wright, Nadeem Tehami
    Clinical Endoscopy.2022; 55(3): 426.     CrossRef
  • 3,982 View
  • 63 Download
  • 2 Web of Science
  • 1 Crossref
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Endoscopic Ultrasound-Guided Biliary Drainage for Unresectable Hilar Malignant Biliary Obstruction
Yousuke Nakai, Hirofumi Kogure, Hiroyuki Isayama, Kazuhiko Koike
Clin Endosc 2019;52(3):220-225.   Published online November 29, 2018
DOI: https://doi.org/10.5946/ce.2018.094
AbstractAbstract PDFPubReaderePub
Endoscopic transpapillary biliary drainage is the current standard of care for unresectable hilar malignant biliary obstruction (MBO) and bilateral metal stent placement is shown to have longer patency. However, technical and clinical failure is possible and percutaneous transhepatic biliary drainage (PTBD) is sometimes necessary. Endoscopic ultrasound-guided biliary drainage (EUS-BD) is increasingly being reported as an alternative rescue procedure to PTBD. EUS-BD has a potential advantage of not traversing the biliary stricture and internal drainage can be completed in a single session. Some approaches to bilateral biliary drainage for hilar MBO under EUS-guidance include a bridging method, hepaticoduodenostomy, and a combination of EUS-BD and transpapillary biliary drainage. The aim of this review is to summarize data on EUS-BD for hilar MBO and to clarify its advantages over the conventional approaches such as endoscopic transpapillary biliary drainage and PTBD.

Citations

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  • Retrospective comparative study of new slim‐delivery and conventional large‐cell stents for stent‐in‐stent methods for hilar malignant biliary obstruction
    Kazunaga Ishigaki, Rintaro Fukuda, Yousuke Nakai, Go Endo, Kohei Kurihara, Kota Ishida, Shuichi Tange, Shinya Takaoka, Yurie Tokito, Yukari Suzuki, Hiroki Oyama, Sachiko Kanai, Tatsunori Suzuki, Yukiko Ito, Tatsuya Sato, Ryunosuke Hakuta, Kei Saito, Tomot
    Digestive Endoscopy.2024; 36(3): 360.     CrossRef
  • A Novel Method of Calculating the Drained Liver Volume Using a 3D Volume Analyzer for Biliary Drainage of Unresectable Malignant Hilar Biliary Obstruction
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    Digestive Diseases and Sciences.2024; 69(3): 969.     CrossRef
  • Safety of endoscopic ultrasound-guided hepaticogastrostomy in patients with malignant biliary obstruction and ascites
    Tsukasa Yasuda, Kazuo Hara, Nobumasa Mizuno, Shin Haba, Takamichi Kuwahara, Nozomi Okuno, Yasuhiro Kuraishi, Takafumi Yanaidani, Sho Ishikawa, Masanori Yamada, Toshitaka Fukui
    Clinical Endoscopy.2024; 57(2): 246.     CrossRef
  • A novel method of bilateral biliary decompression by EUS-guided hepaticogastrostomy with bridging stenting using the partial stent-in-stent method for reintervention of multiple metal stent failure
    Hidenobu Hara, Susumu Hijioka, Yoshikuni Nagashio, Yuta Maruki, Mark Chatto, Yutaka Saito, Takuji Okusaka
    VideoGIE.2024; 9(6): 286.     CrossRef
  • Comparison of stent patency between EUS-guided hepaticogastrostomy with bridging and endoscopic transpapillary biliary drainage for hilar obstruction
    Kotaro Takeshita, Susumu Hijioka, Yoshikuni Nagashio, Yuta Maruki, Akihiro Ohba, Yuki Kawasaki, Tetsuro Takasaki, Shin Yagi, Daiki Agarie, Hidenobu Hara, Yuya Hagiwara, Daiki Yamashige, Kohei Okamoto, Soma Fukuda, Masaru Kuwada, Mark Chatto, Shunsuke Kond
    Endoscopy International Open.2024; 12(07): E875.     CrossRef
  • Three-year evaluation of a novel, nonfluoroscopic, all-artificial model for EUS-guided biliary drainage training for the impact to practice: A prospective observational study (with videos)
    Tanyaporn Chantarojanasiri, Aroon Siripun, Pradermchai Kongkam, Nonthalee Pausawasdi, Thawee Ratanachu-ek
    Endoscopic Ultrasound.2023; 12(1): 96.     CrossRef
  • Endoscopic management of benign and malignant hilar stricture
    Marcella Pimpinelli, Michael Makar, Michel Kahaleh
    Digestive Endoscopy.2023; 35(4): 443.     CrossRef
  • Endoscopic and Endosonographic Palliation for Triple Obstruction Caused by Recurrent Gallbladder Cancer: A Case Report
    Young Rong Kim, Chi Hyuk Oh, Min Jae Yang
    The Korean Journal of Pancreas and Biliary Tract.2023; 28(1): 19.     CrossRef
  • Unpredictable Event during EUS-Guided Hepaticojejunostomy
    Abdullatif SİRİN, Mehmet ÇETİN, Salih TOKMAK
    Düzce Tıp Fakültesi Dergisi.2023; 25(1): 89.     CrossRef
  • Optimal endoscopic drainage strategy for unresectable malignant hilar biliary obstruction
    Itaru Naitoh, Tadahisa Inoue
    Clinical Endoscopy.2023; 56(2): 135.     CrossRef
  • Role of radiofrequency ablation in advanced malignant hilar biliary obstruction
    Mamoru Takenaka, Tae Hoon Lee
    Clinical Endoscopy.2023; 56(2): 155.     CrossRef
  • ERCP for the initial management of malignant biliary obstruction – real world data on 596 procedures
    I. M. Mikalsen, S. Breder, A. W. Medhus, T. Folseraas, L. Aabakken, K. V. Ånonsen
    Scandinavian Journal of Gastroenterology.2023; : 1.     CrossRef
  • Preoperative endoscopic ultrasound-guided biliary drainage for primary drainage in obstructive jaundice
    Shuntaro Mukai, Takao Itoi
    Expert Review of Gastroenterology & Hepatology.2023; 17(12): 1197.     CrossRef
  • Use of endoscopic ultrasound‐guided biliary drainage as a rescue of re‐intervention after the placement of multiple metallic stents for malignant hilar biliary obstruction
    Hidetoshi Kitamura, Susumu Hijioka, Yoshikuni Nagashio, Shunsuke Sugawara, Satoshi Nara, Miyuki Sone, Minoru Esaki, Yasuaki Arai, Takuji Okusaka, Atsushi Nakajima
    Journal of Hepato-Biliary-Pancreatic Sciences.2022; 29(3): 404.     CrossRef
  • Practical Tips for Safe and Successful Endoscopic Ultrasound-Guided Hepaticogastrostomy: A State-of-the-Art Technical Review
    Saburo Matsubara, Keito Nakagawa, Kentaro Suda, Takeshi Otsuka, Masashi Oka, Sumiko Nagoshi
    Journal of Clinical Medicine.2022; 11(6): 1591.     CrossRef
  • Role of ERCP in Malignant Hilar Biliary Obstruction
    Tae Hoon Lee, Jong Ho Moon, Sherman Stuart
    Gastrointestinal Endoscopy Clinics of North America.2022; 32(3): 427.     CrossRef
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    Hiroki Kawashima, Eizaburo Ohno, Takuya Ishikawa, Yasuyuki Mizutani, Tadashi Iida, Takeshi Yamamura, Naomi Kakushima, Kazuhiro Furukawa, Masanao Nakamura
    Digestive Endoscopy.2022; 34(6): 1147.     CrossRef
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    Endoscopy.2022; 54(S 02): E912.     CrossRef
  • A case of malignant hilar biliary obstruction after total gastrectomy treated by EUS-HJS + bridging stenting
    Yurie Tokito, Ryunosuke Hakuta, Hirofumi Kogure, Yousuke Nakai, Mitsuhiro Fujishiro
    Progress of Digestive Endoscopy.2022; 100(1): 50.     CrossRef
  • Current endoscopic approaches to biliary strictures
    Tatsuya Sato, Yousuke Nakai, Mitsuhiro Fujishiro
    Current Opinion in Gastroenterology.2022; 38(5): 450.     CrossRef
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    Se Woo Park
    International Journal of Gastrointestinal Intervention.2022; 11(3): 105.     CrossRef
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    Surgical Laparoscopy, Endoscopy & Percutaneous Techniques.2022; 32(6): 724.     CrossRef
  • ERCP plus endoscopic ultrasound-guided biliary drainage versus percutaneous transhepatic biliary drainage for malignant hilar biliary obstruction: a multicenter observational open-label study
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    Endoscopy.2021; 53(01): 55.     CrossRef
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    Jérôme Winkler, Fabrice Caillol, Jean-Philippe Ratone, Erwan Bories, Christian Pesenti, Marc Giovannini
    Endoscopic Ultrasound.2021; 10(1): 51.     CrossRef
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    Manuel Perez-Miranda
    Endoscopy.2021; 53(01): 63.     CrossRef
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    Alina Ioana Tantau, Alina Mandrutiu, Anamaria Pop, Roxana Delia Zaharie, Dana Crisan, Carmen Monica Preda, Marcel Tantau, Voicu Mercea
    World Journal of Hepatology.2021; 13(2): 166.     CrossRef
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    Endoscopy.2021; 53(10): 1037.     CrossRef
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    Sridhar Sundaram, Vinay Dhir
    Endoscopic Ultrasound.2021; 10(3): 154.     CrossRef
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    Tae Hoon Lee
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    The Korean Journal of Gastroenterology.2021; 78(2): 94.     CrossRef
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    Yousuke Nakai
    Clinical Endoscopy.2021; 54(5): 629.     CrossRef
  • EUS-guided antegrade metallic stent placement using the stent-in-stent method with a 6-Fr novel slim delivery system in a patient with malignant hilar biliary obstruction
    Shigeyuki Suenaga, Seiji Kaino, Takanori Tsuyama, Yuko Fujimoto, Shogo Amano, Toshiyuki Uekitani, Isao Sakaida
    Endoscopic Ultrasound.2021; 10(5): 387.     CrossRef
  • Retrospective Comparative Study of Side-by-Side and Stent-in-Stent Metal Stent Placement for Hilar Malignant Biliary Obstruction
    Kazunaga Ishigaki, Tsuyoshi Hamada, Yousuke Nakai, Hiroyuki Isayama, Tatsuya Sato, Ryunosuke Hakuta, Kei Saito, Tomotaka Saito, Naminatsu Takahara, Suguru Mizuno, Hirofumi Kogure, Yukiko Ito, Hiroshi Yagioka, Saburo Matsubara, Dai Akiyama, Dai Mohri, Mino
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    Shunsuke Sugawara, Miyuki Sone, Shinichi Morita, Susumu Hijioka, Yasunari Sakamoto, Masahiko Kusumoto, Yasuaki Arai
    RadioGraphics.2020; 40(3): 667.     CrossRef
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    Kazunari Nakahara, Ryo Morita, Fumio Itoh
    Digestive Endoscopy.2020;[Epub]     CrossRef
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    Endoscopy.2020; 52(10): E381.     CrossRef
  • Efficacy and safety of EUS biliary drainage in malignant distal and hilar biliary obstruction: A comprehensive review of literature and algorithm
    Stanley Khoo, NhanDuc Tri Do, Pradermchai Kongkam
    Endoscopic Ultrasound.2020; 9(6): 369.     CrossRef
  • Acute biliary interventions
    T.C. See
    Clinical Radiology.2019;[Epub]     CrossRef
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    En-Ling Leung Ki EL, Bertrand Napoleon
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    Fabrice Caillol, Mathieu Rouy, Christian Pesenti, Jean-Philippe Ratone, Marc Giovannini
    Endoscopic Ultrasound.2019; 8(7): 50.     CrossRef
  • 6,832 View
  • 303 Download
  • 39 Web of Science
  • 41 Crossref
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Endoscopic Ultrasound-Guided Biliary Drainage for Benign Biliary Diseases
Yousuke Nakai, Hirofumi Kogure, Hiroyuki Isayama, Kazuhiko Koike
Clin Endosc 2019;52(3):212-219.   Published online March 14, 2019
DOI: https://doi.org/10.5946/ce.2018.188
AbstractAbstract PDFPubReaderePub
Although endoscopic retrograde cholangiopancreatography (ERCP) is the first-line treatment for benign biliary diseases, this procedure is technically difficult in some conditions such as a surgically altered anatomy and gastric outlet obstruction. After a failed ERCP, a surgical or a percutaneous approach is selected as a rescue procedure; however, various endoscopic ultrasound (EUS)-guided interventions are increasingly utilized in pancreatobiliary diseases, including EUS-guided rendezvous for failed biliary cannulation, EUS-guided antegrade treatment for stone management, and EUS-guided hepaticogastrostomy for anastomotic strictures in patients with a surgically altered anatomy. There are some technical hurdles in EUS-guided interventions for benign biliary diseases owing to the difficulty in puncturing a relatively small bile duct and in subsequent guidewire manipulation, as well as the lack of dedicated devices. A recent major advancement in this field is the introduction of a 2-step approach, in which EUS-guided drainage is placed in the first session and antegrade treatment is performed in subsequent sessions. This approach allows the use of various techniques such as mechanical lithotripsy and cholangioscopy without a risk of bile leak. In summary, EUS-guided interventions are among the treatment options for benign biliary diseases; however, standardization of the procedure and development of a treatment algorithm are needed.

Citations

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  • EUS-BD for calibration of benign stenosis of the bile duct in patients with altered anatomy or inaccessible papilla
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  • EUS‐guided hepaticogastrostomy for hepaticojejunostomy stricture using a 22G needle and a mechanical dilator (with video)
    Takeshi Ogura, Saori Ueno, Atsushi Okuda, Nobu Nishioka, Kazuhide Higuchi
    Journal of Hepato-Biliary-Pancreatic Sciences.2022;[Epub]     CrossRef
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    Marina de Benito Sanz, Ana Y. Carbajo, Ramon Sanchez-Ocana, Carlos Chavarría, Carlos de la Serna-Higuera, Manuel Perez-Miranda
    Surgical Endoscopy.2022; 36(3): 2197.     CrossRef
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    Schalk W. van der Merwe, Roy L. J. van Wanrooij, Michiel Bronswijk, Simon Everett, Sundeep Lakhtakia, Mihai Rimbas, Tomas Hucl, Rastislav Kunda, Abdenor Badaoui, Ryan Law, Paolo G. Arcidiacono, Alberto Larghi, Marc Giovannini, Mouen A. Khashab, Kenneth F.
    Endoscopy.2022; 54(02): 185.     CrossRef
  • Practical Tips for Safe and Successful Endoscopic Ultrasound-Guided Hepaticogastrostomy: A State-of-the-Art Technical Review
    Saburo Matsubara, Keito Nakagawa, Kentaro Suda, Takeshi Otsuka, Masashi Oka, Sumiko Nagoshi
    Journal of Clinical Medicine.2022; 11(6): 1591.     CrossRef
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    Xuan Zhao, Lihong Shi, Jinchen Wang, Siming Guo, Sumin Zhu
    Clinics.2022; 77: 100017.     CrossRef
  • EUS-guided hepaticoduodenostomy for the management of postsurgical bile duct injury: An alternative to surgery (with video)
    Carlos Robles-Medranda, Roberto Oleas, Martha Arevalo-Mora, Juan Alcivar-Vasquez, Raquel Del Valle
    Endoscopic Ultrasound.2022; 11(5): 421.     CrossRef
  • Current endoscopic approaches to biliary strictures
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Drainage for fluid collections post pancreatic surgery and acute pancreatitis: similar but different?
Yousuke Nakai, Saburo Matsubara, Tsuyoshi Mukai, Tsuyoshi Hamada, Takashi Sasaki, Hirotoshi Ishiwatari, Susumu Hijioka, Hideyuki Shiomi, Mamoru Takenaka, Takuji Iwashita, Atsuhiro Masuda, Tomotaka Saito, Hiroyuki Isayama, Ichiro Yasuda, for the WONDERFUL study group in Japan
Received October 3, 2023  Accepted November 1, 2023  Published online May 17, 2024  
DOI: https://doi.org/10.5946/ce.2023.254    [Epub ahead of print]
AbstractAbstract PDFPubReaderePub
Postoperative pancreatic fistulas (POPFs) are common adverse events that occur after pancreatic surgery. Endoscopic ultrasonography (EUS)-guided drainage (EUS-D) is a first-line treatment, similar to that for pancreatic fluid collection (PFCs) after acute pancreatitis. However, some POPFs do not develop fluid collections depending on the presence or location of the surgical drain, whereas others develop fluid collections, such as postoperative fluid collections (POPFCs). Although POPFCs are similar to PFCs, the strategy and modality for POPF management need to be modified according to the presence of fluid collections, surgical drains, and surgical type. As discussed for PFCs, the indications, timing, and selection of interventions or stents for EUS-D have not been fully elucidated for POPFs. In this review, we discuss the management of POPFs and POPFCs in comparison with PFCs due to acute pancreatitis and summarize the topics that should be addressed in future studies.
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Endoscopic ultrasound-guided hepaticogastrostomy and endoscopic retrograde cholangiopancreatography-guided biliary drainage for distal malignant biliary obstruction due to pancreatic cancer with asymptomatic duodenal invasion: A retrospective, single-center study in Japan
Naminatsu Takahara, Yousuke Nakai, Kensaku Noguchi, Tatsunori Suzuki, Tatsuya Sato, Ryunosuke Hakuta, Kazunaga Ishigaki, Tomotaka Saito, Tsuyoshi Hamada, Mitsuhiro Fujishiro
Received February 14, 2024  Accepted May 13, 2024  Published online June 17, 2024  
DOI: https://doi.org/10.5946/ce.2024.031
AbstractAbstract PubReaderePub
Background
/Aims: Duodenal invasion (DI) is a risk factor for early recurrent biliary obstruction (RBO) in endoscopic retrograde cholangiopancreatography-guided biliary drainage (ERCP-BD). Endoscopic ultrasound-guided hepaticogastrostomy (EUS-HGS) may reduce early RBO in cases of asymptomatic DI, even when ERCP is possible.
Methods
We enrolled 56 patients with pancreatic cancer and asymptomatic DI who underwent EUS-HGS (n=25) or ERCP-BD (n=31). Technical and clinical success, early (<3 months) and overall RBO rates, time to RBO (TRBO), and adverse events (AEs) were compared between the EUS-HGS and ERCP-BD groups. Risk factors for early RBO were also evaluated.
Results
Baseline characteristics were similar between the groups. Both procedures demonstrated 100% technical and clinical success rates, with a similar incidence of AE (48% vs. 39%, p=0.59). While the median TRBO was comparable (5.7 vs. 8.8 months, p=0.60), EUS-HGS was associated with a lower incidence of early RBO compared to ERCP-BD (8% vs. 29%, p=0.09). The major causes of early RBO in ERCP-BD were sludge and food impaction, rarely occurring in EUS-HGS. EUS-HGS was potentially reduced early RBO (odds ratio, 0.32; p=0.07).
Conclusions
EUS-HGS can be a viable option for treating pancreatic cancer with asymptomatic DI.
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