Clinical Endoscopy

Jun Horaguchi

2 Articles

Inside Plastic Stents versus Metal Stents for Treating Unresectable Malignant Perihilar Biliary Obstructions: A Retrospective Comparative Study: Yoshihide Kanno, Shinsuke Koshita, Takahisa Ogawa, Hiroaki Kusunose, Kaori Masu, Toshitaka Sakai, Keisuke Yonamine, Kazuaki Miyamoto, Toji Murabayashi, Fumisato Kozakai, Jun Horaguchi, Yutaka Noda, Kei Ito; Clin Endosc 2020;53(6):735-742. Published online March 4, 2020; DOI: https://doi.org/10.5946/ce.2020.003

Background
/Aims: The aim of this study was to evaluate outcomes of inside plastic stents (iPSs) versus those of metal stents (MSs) for treating unresectable perihilar malignant obstructions.
Methods
For all patients who underwent endoscopic suprapapillary placement of iPS(s) or MS(s) as the first permanent biliary drainage for unresectable malignant perihilar obstructions between January 2014 and August 2019, clinical outcomes using iPSs (n=20) and MSs (n=85), including clinical efficacy, adverse events, and time to recurrence of biliary obstruction (RBO), were retrospectively evaluated.
Results
There were no differences in clinical effectiveness (95% for the iPS group vs. 92% for the MS group, p=1.00). Procedure-related adverse events, including pancreatitis, acute cholangitis, acute cholecystitis, and death, were observed for 8% of the MS group, although no patient in the iPS group developed such adverse events. The median time to RBO was 561 days (95% confidence interval, 0–1,186 days) for iPSs and 209 days (127–291 days) for MSs, showing a significant difference (p=0.008).
Conclusions
Time to RBO after iPS placement was significantly longer than that after MS placement. IPSs, which are removable, unlike MSs, were an acceptable option.

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Unilateral drainage and chemotherapy prolong the patency of a plastic stent placed above the sphincter of Oddi in patients with malignant hilar biliary obstruction
Fumimasa Tomooka, Koh Kitagawa, Akira Mitoro, Yukihisa Fujinaga, Norihisa Nishimura, Tadashi Namisaki, Takemi Akahane, Kosuke Kaji, Shohei Asada, Shinya Sato, Jun‐Ichi Hanatani, Hitoshi Mori, Yuki Motokawa, Tomihiro Iwata, Hiroki Kachi, Yui Osaki, Hitoshi
DEN Open.2025;[Epub] CrossRef
Endoscopic nasobiliary drainage versus endoscopic biliary stenting for preoperative biliary drainage in patients with malignant hilar biliary obstruction: Propensity score‐matched multicenter comparative study
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Digestive Endoscopy.2024; 36(6): 726. CrossRef
Comparison of unilateral and bilateral intraductal plastic stent placement for unresectable malignant hilar biliary obstruction: A propensity score‐matched cohort analysis
Mitsuru Okuno, Keisuke Iwata, Tsuyoshi Mukai, Yuhei Iwasa, Shinya Uemura, Kensaku Yoshida, Akinori Maruta, Takuji Iwashita, Ichiro Yasuda, Masahito Shimizu
Journal of Hepato-Biliary-Pancreatic Sciences.2024; 31(4): 284. 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
Partial Stent-in-Stent Method with an Uncovered Self-Expandable Metallic Stent for Unresectable Malignant Hilar Bile Duct Obstruction
Takuya Shimosaka, Yohei Takeda, Taro Yamashita, Yuta Seki, Shiho Kawahara, Takayuki Hirai, Noriyuki Suto, Yuri Sakamoto, Wataru Hamamoto, Hiroki Koda, Takumi Onoyama, Kazuya Matsumoto, Kazuo Yashima, Hajime Isomoto, Naoyuki Yamaguchi
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Current status of preoperative endoscopic biliary drainage for distal and hilar biliary obstruction
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Digestive Endoscopy.2024; 36(9): 969. CrossRef
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Safety and efficacy of biliary suprapapillary metal and plastic stents in malignant biliary obstruction: a systematic review and meta-analysis
Saqr Alsakarneh, Mahmoud Y. Madi, Fouad Jaber, Kamal Hassan, Yassine Kilani, Omar Al Ta’ani, Dushyant Singh Dahiya, Amir H. Sohail, Laith Numan, Mohammad Bilal, Wissam Kiwan
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Evaluating safety and efficacy of plastic versus metal stenting in malignant hilar biliary obstruction: a systematic review and meta-analysis of randomized controlled trials
Xinjie Luo, Zhicheng Huang, Kamran Ali, Khizar Hayat
Postgraduate Medical Journal.2024;[Epub] CrossRef
Clinical Outcomes of Inside Stents and Conventional Plastic Stents as Bridge-to-Surgery Options for Malignant Hilar Biliary Obstruction
Hirotoshi Ishiwatari, Takanori Kawabata, Hiroki Kawashima, Yousuke Nakai, Shin Miura, Hironari Kato, Hideyuki Shiomi, Nao Fujimori, Takeshi Ogura, Osamu Inatomi, Kensuke Kubota, Toshio Fujisawa, Mamoru Takenaka, Hiroshi Mori, Kensaku Noguchi, Yuki Fujii,
Digestive Diseases and Sciences.2023; 68(4): 1139. CrossRef
Development of novel biliary metal stent with coil-spring structure and its application in vivo swine biliary stricture model
In Rae Cho, Sang Hyub Lee, Jin Ho Choi, Namyoung Park, Min Woo Lee, Joo Seong Kim, Seok Jeong, Don Haeng Lee, Tae-Won Jeong, Byoung-Yun Ki, Woo Hyun Paik, Ji Kon Ryu, Yong-Tae Kim
Frontiers in Oncology.2023;[Epub] CrossRef
Endoscopic retrograde stent drainage therapies for malignant biliary obstruction: the distal opening of stent location above or across the duodenal papilla? A systematic review and meta-analysis
Dong Fang, Yi Han, Chenglin Zhu, Zhenwang Shi, Deming Bao, Liming Wang, Qin Xu
Scandinavian Journal of Gastroenterology.2023; 58(9): 1071. CrossRef
Suprapapillary placement of plastic versus metal stents for malignant biliary hilar obstructions: a multicenter, randomized trial
Yoshihide Kanno, Kei Ito, Kazunari Nakahara, Shinya Kawaguchi, Yoshiharu Masaki, Toru Okuzono, Hironari Kato, Masaki Kuwatani, Shotaro Ishii, Toji Murabayashi, Sho Hasegawa, Masatsugu Nagahama, Yuji Iwashita, Yosuke Michikawa, Shuzo Terada, Yujiro Kawakam
Gastrointestinal Endoscopy.2023; 98(2): 211. CrossRef
Déjà vu but with a different conclusion
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Gastrointestinal Endoscopy.2023; 98(5): 787. CrossRef
Utility of bilateral intraductal plastic stent for malignant hilar biliary obstruction compared with bilateral self-expandable metal stent: a propensity score–matched cohort analysis
Mitsuru Okuno, Keisuke Iwata, Takuji Iwashita, Tsuyoshi Mukai, Kota Shimojo, Yosuke Ohashi, Yuhei Iwasa, Akihiko Senju, Shota Iwata, Ryuichi Tezuka, Hironao Ichikawa, Naoki Mita, Shinya Uemura, Kensaku Yoshida, Akinori Maruta, Eiichi Tomita, Ichiro Yasuda
Gastrointestinal Endoscopy.2023; 98(5): 776. CrossRef
Cross‐wired metal stents for endoscopic bilateral stent‐in‐stent deployment in malignant hilar biliary obstruction: A multicenter, single‐arm, prospective study
Kentaro Yamao, Takeshi Ogura, Hideyuki Shiomi, Takaaki Eguchi, Hisakazu Matsumoto, Zhao Liang Li, Hiroaki Hashimoto, Yasutaka Chiba, Mamoru Takenaka, Tomohiro Watanabe, Masatoshi Kudo, Tsuyoshi Sanuki
DEN Open.2022;[Epub] CrossRef
Recent advances regarding endoscopic biliary drainage for unresectable malignant hilar biliary obstruction
Hironari Kato, Kazuyuki Matsumoto, Hiroyuki Okada
DEN Open.2022;[Epub] CrossRef
Double‐scope method is helpful to rescue a retrieval thread attached to a stent caught on the duodenoscope forceps elevator
Kengo Matsumoto, Dai Nakamatsu, Tsutomu Nishida
Digestive Endoscopy.2022;[Epub] CrossRef
The feasibility of percutaneous transhepatic gallbladder aspiration for acute cholecystitis after self-expandable metallic stent placement for malignant biliary obstruction: a 10-year retrospective analysis in a single center
Akihisa Ohno, Nao Fujimori, Toyoma Kaku, Masayuki Hijioka, Ken Kawabe, Naohiko Harada, Makoto Nakamuta, Takamasa Oono, Yoshihiro Ogawa
Clinical Endoscopy.2022; 55(6): 784. CrossRef
Self‐expandable metal stents have longer patency and less cholangitis than inside stents in malignant perihilar biliary obstruction
Akinobu Koiwai, Morihisa Hirota, Tomofumi Katayama, Ryo Kin, Keita Kawamura, Katsuya Endo, Takayuki Kogure, Atsuko Takasu, Takayoshi Meguro, Kennichi Satoh
JGH Open.2022; 6(5): 317. CrossRef
Two-devices-in-one-channel method for preventing the preceding stent migration in case of multiple indwelling biliary inside plastic stents
Tesshin Ban, Yoshimasa Kubota, Takuya Takahama, Shun Sasoh, Tomoaki Ando, Makoto Nakamura, Takashi Joh
Endoscopy.2022; 54(S 02): E948. CrossRef
Editors' Choice of Noteworthy Clinical Endoscopy Publications in the First Decade
Gwang Ha Kim, Kwang An Kwon, Do Hyun Park, Jimin Han
Clinical Endoscopy.2021; 54(5): 633. CrossRef
Endoscopic or percutaneous biliary drainage in hilar cholangiocarcinoma: When and how?
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Changing Trends in Biliary Stenting for Unresectable Malignant Perihilar Obstructions
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Clinical Endoscopy.2020; 53(6): 636. CrossRef

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Predictive Value of Localized Stenosis of the Main Pancreatic Duct for Early Detection of Pancreatic Cancer: Yoshihide Kanno, Shinsuke Koshita, Takahisa Ogawa, Hiroaki Kusunose, Kaori Masu, Toshitaka Sakai, Keisuke Yonamine, Yujiro Kawakami, Yuki Fujii, Kazuaki Miyamoto, Toji Murabayashi, Fumisato Kozakai, Jun Horaguchi, Yutaka Noda, Masaya Oikawa, Takaho Okada, Kei Ito; Clin Endosc 2019;52(6):588-597. Published online November 20, 2019; DOI: https://doi.org/10.5946/ce.2019.018

Abstract PDF PubReader ePub

Background
/Aims: In this study, we aimed to evaluate the predictive value of localized stenosis of the main pancreatic duct (MPD) for early detection of pancreatic cancer.
Methods
Among 689 patients who underwent endoscopic retrograde pancreatography from January 2008 to September 2018, 19 patients with MPD findings were enrolled. These patients showed findings for indicating suspicious pancreatic cancer at an early stage (FiCE); FiCE was defined as a single, localized stenosis in the MPD without a detectable mass (using any other imaging methods) and without other pancreatic diseases, such as definite chronic pancreatitis, intraductal papillary mucinous neoplasm, and autoimmune pancreatitis. Final diagnoses were established by examining resected specimens or through follow-up examinations after an interval of >5 years.
Results
Among 19 patients with FiCE, 11 underwent surgical resection and 8 were evaluated after a >5-year observation period. The final diagnosis of the MPD stenosis was judged to be pancreatic cancer in 9 patients (47%), including 3 with intraepithelial cancer, and to be a non-neoplastic change in 10. The sensitivity, specificity, and accuracy of preoperative pancreatic juice cytology were 75%, 100%, and 88%, respectively.
Conclusions
The predictive value of FiCE for pancreatic cancer prevalence was 47%. Histological confirmation with pancreatic juice cytology is necessary before surgical resection.

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110 Download
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