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Original Article
Technical Reports of Endoscopic Retrograde Cholangiopancreatography Guidewires on the Basis of Physical Properties
Chang-Il Kwon, Dong Hee Koh, Tae Jun Song, Won Suk Park, Dong Hang Lee, Seok Jeong
Clin Endosc 2020;53(1):65-72.   Published online August 6, 2019
DOI: https://doi.org/10.5946/ce.2019.114
AbstractAbstract PDFPubReaderePub
Background
/Aims: Using an appropriate guidewire can increase the success rate of selective cannulation in endoscopic retrograde cholangiopancreatography. The purpose of this technical study was to investigate the characteristics of each guidewire type and to evaluate its efficiency and rapidity of insertion.
Methods
We conducted a three-point bending test using a universal testing machine to investigate the flexibility and bending features of each guidewire. 3D-printed silicone tubes with various types of stricture and a hand-made biliary tree silicone model with six-stranded intrahepatic ducts were used to evaluate the success rate and insertion time of each guidewire.
Results
In the three-point bending test, the characteristics of each guidewire were classified. We found that the bending strengths and times were independent of shaft thickness. Using two in vitro biliary duct models, we determined that the success rate and total insertion time were better for guidewires with a resilient shaft and angled tip than for other types of guidewires (p<0.001). Although thickness of the guidewire affected the success rate (p<0.05), it did not affect the total insertion time (p≥0.05).
Conclusions
Among several types of guidewire, some factors (resilient shaft, highly flexible, and angled tip) appeared to be associated with the efficiency and rapidity of the guidewire insertion.

Citations

Citations to this article as recorded by  
  • Structural factors influencing the clinical performance of 0.025-inch guidewires for pancreatobiliary endoscopy: An experimental study
    Takehiko Koga, Naoaki Tsuchiya, Yusuke Ishida, Takanori Kitaguchi, Keisuke Matsumoto, Makoto Fukuyama, Satoki Kojima, Norihiro Kojima, Fumihito Hirai
    Endoscopy International Open.2024; 12(05): E666.     CrossRef
  • Guidewire Impaction in the Main Pancreatic Duct in a Patient with Chronic Pancreatitis: A Case Report
    Soyoung Kim, Hoonsub So, Seok Won Jung, Sung Jo Bang
    The Korean Journal of Gastroenterology.2023; 81(1): 36.     CrossRef
  • Efficacy of a newly developed guidewire for selective biliary access
    Do Hyun Park, Joung-Ho Han, Tae Hoon Lee, Jae Kook Yang, Ji Sung Lee, Yong Hun Lee, Mamoru Takenaka, Sang-Heum Park
    Scientific Reports.2023;[Epub]     CrossRef
  • Efficacy of a Newly Developed Guidewire for Selective Biliary Cannulation: A Multicenter Randomized Controlled Trial
    Sung Yong Han, Sung Ill Jang, Dong Hee Koh, Jong Hyun Lee, Dong Uk Kim, Jae Hee Cho, Kyong Joo Lee, Seong-Hun Kim, Min Je Sung, Chang-Il Kwon
    Journal of Clinical Medicine.2023; 12(10): 3440.     CrossRef
  • Comparison of Two Types of Guidewires for Malignant Hilar Biliary Obstruction by Endoscopic Retrograde Cholangiopancreatography: A Randomized Controlled Trial
    Sung Yong Han, Jung Wan Choe, Dong Uk Kim, Jong Jin Hyun, Joung-Ho Han, Hoonsub So, Sung Jo Bang, Dong Hee Koh, Seok Jeong
    Journal of Clinical Medicine.2023; 12(10): 3590.     CrossRef
  • Comparison of guidewires for successful cannulation of biliary stenosis and targeting of biliary branches in ERCP
    Masanori Kobayashi, Hiromune Katsuda, Kazuo Ohtsuka, Ryuichi Okamoto
    Endoscopy International Open.2023; 11(09): E805.     CrossRef
  • Impact of guidewire caliber on ERCP outcomes: Systematic review and meta-analysis comparing 0.025- and 0.035-inch guidewires
    Muhammad Aziz, Amna Iqbal, Zohaib Ahmed, Saad Saleem, Wade Lee-Smith, Hemant Goyal, Faisal Kamal, Yaseen Alastal, Ali Nawras, Douglas G. Adler
    Endoscopy International Open.2022; 10(07): E990.     CrossRef
  • Experimental study of loop shape using 0.025-inch ERCP guidewires (with videos)
    Takeshi Ogura, Saori Ueno, Atsushi Okuda, Nobu Nishioka, Tadahiro Yamada, Masanori Yamada, Kazuya Ueshima, Jun Matsuno, Yoshitaro Yamamoto, Kazuhide Higuchi
    Endoscopy International Open.2021; 09(03): E427.     CrossRef
  • Technical Review of Developments in Endoscopic Ultrasound-Guided Hepaticogastrostomy
    Takeshi Ogura, Kazuhide Higuchi
    Clinical Endoscopy.2021; 54(5): 651.     CrossRef
  • Difficult Biliary Cannulation in Endoscopic Retrograde Cholangiopancreatography: Definitions, Risk Factors, and Implications
    Brian M. Fung, Teodor C. Pitea, James H. Tabibian
    EMJ Hepatology.2021; : 64.     CrossRef
  • Production of ERCP training model using a 3D printing technique (with video)
    Chang-Il Kwon, Yeonsun Shin, Jaeok Hong, Minje Im, Guk Bae Kim, Dong Hee Koh, Tae Jun Song, Won Suk Park, Jong Jin Hyun, Seok Jeong
    BMC Gastroenterology.2020;[Epub]     CrossRef
  • Clinical Evaluation of a Newly Developed Guidewire for Pancreatobiliary Endoscopy
    Shigeto Ishii, Toshio Fujisawa, Hiroyuki Isayama, Shingo Asahara, Shingo Ogiwara, Hironao Okubo, Hisafumi Yamagata, Mako Ushio, Sho Takahashi, Hiroki Okawa, Wataru Yamagata, Yoshihiro Okawa, Akinori Suzuki, Yusuke Takasaki, Kazushige Ochiai, Ko Tomishima,
    Journal of Clinical Medicine.2020; 9(12): 4059.     CrossRef
  • 6,640 View
  • 310 Download
  • 11 Web of Science
  • 12 Crossref
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Case Report
Endoscopic Submucosal Dissection Followed by Concurrent Chemoradiotherapy in Patients with Early Esophageal Cancer with a High Risk of Lymph Node Metastasis
Hee Kyung Kim, Weon Jin Ko, Chang-Il Kwon, Ga Won Song, In Kyun Yoo, Ji Hyun Song, Hak Su Kim, Joo Young Cho
Clin Endosc 2019;52(5):502-505.   Published online May 14, 2019
DOI: https://doi.org/10.5946/ce.2018.176
AbstractAbstract PDFPubReaderePub
Endoscopic submucosal dissection is recommended as an alternative therapy for early esophageal cancer. However, achieving curative resection in this procedure remains controversial since precise prediction of lymph node metastasis can be difficult. Here, we present the preliminary results of endoscopic submucosal dissection followed by concurrent chemoradiotherapy for early esophageal cancer with a high risk of lymph node metastasis. From May 2006 to January 2014, six patients underwent concurrent chemoradiotherapy after endoscopic submucosal dissection with a median follow-up period of 63 months. No complications were encountered during concurrent chemoradiotherapy. Although local recurrence did not occur in all patients, two patients were diagnosed with metachronous cancer. Overall, the survival rate was 100%. Thus, endoscopic submucosal dissection followed by concurrent chemoradiotherapy may be a feasible treatment for early esophageal cancer in patients with a high risk of lymph node metastasis. Future prospective large-scale studies are warranted to confirm our results.

Citations

Citations to this article as recorded by  
  • Unveiling Therapeutic Targets for Esophageal Cancer: A Comprehensive Review
    Rakesh Acharya, Ananya Mahapatra, Henu Kumar Verma, L. V. K. S. Bhaskar
    Current Oncology.2023; 30(11): 9542.     CrossRef
  • Editorial “Discrepancy Between the Clinical and Final Pathological Findings of Lymph Node Metastasis in Superficial Esophageal Cancer”
    Rian M. Hasson, Joseph D. Phillips
    Annals of Surgical Oncology.2019; 26(9): 2662.     CrossRef
  • 4,440 View
  • 92 Download
  • 1 Web of Science
  • 2 Crossref
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Commentary
Will New Instruments for Endoscopic Ultrasound-Guided Tissue Acquisition Make Us Happy?
Chang-Il Kwon
Clin Endosc 2018;51(6):510-512.   Published online November 23, 2018
DOI: https://doi.org/10.5946/ce.2018.164
PDFPubReaderePub

Citations

Citations to this article as recorded by  
  • Endoscopic Ultrasonography-Guided Fine-Needle Biopsy for Patients with Resectable Pancreatic Malignancies
    Ming-Sheng Chien, Ching-Chung Lin, Jian-Han Lai
    Gastroenterology Insights.2024; 15(2): 375.     CrossRef
  • Randomized controlled trial comparing a conventional needle and a novel needle for endoscopic ultrasound (EUS)-guided histology of peripancreatic masses
    Hyoun Wook Lee, Kwang Min Kim
    Medicine.2021; 100(10): e25106.     CrossRef
  • Microforceps-Assisted Diagnosis of Cystic Pancreatic Neuroendocrine Tumor
    Guru Trikudanathan, Dale Snover, Shawn J Mallery
    Clinical Endoscopy.2019; 52(3): 293.     CrossRef
  • Which Needle Needs to Be Chosen for Better Outcome of Endoscopic Ultrasound-Guided Tissue Acquisition?
    Dong Wook Lee, Eun Young Kim
    Gut and Liver.2019; 13(3): 223.     CrossRef
  • Present and Future of Endoscopic Ultrasound-Guided Tissue Acquisition in Solid Pancreatic Tumors
    Jae Keun Park, Kwang Hyuck Lee
    Clinical Endoscopy.2019; 52(6): 541.     CrossRef
  • 5,337 View
  • 88 Download
  • 6 Web of Science
  • 5 Crossref
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Brief Reports
An Unusual Mimicker of a Pancreatic Pseudocyst
Sang Ah Choi, Chang-Il Kwon, Gwangil Kim, Daejung Kim, Sung Hoon Choi
Clin Endosc 2018;51(3):304-305.   Published online March 22, 2018
DOI: https://doi.org/10.5946/ce.2017.160
PDFPubReaderePub
  • 4,386 View
  • 122 Download
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Immediate Endoscopic Management of an Intramural Hematoma Developed during Colonoscopy
Chang-Il Kwon, Duck Hwan Kim, Sung Pyo Hong
Clin Endosc 2017;50(5):508-509.   Published online August 3, 2017
DOI: https://doi.org/10.5946/ce.2017.037
PDFPubReaderePub

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  • Systemic AL amyloidosis with multiple submucosal hematomas of the colon: a case report and literature review
    Makomo Makazu, Akiko Sasaki, Chikamasa Ichita, Chihiro Sumida, Takashi Nishino, Miki Nagayama, Shinichi Teshima
    Clinical Journal of Gastroenterology.2024; 17(1): 69.     CrossRef
  • Perspectives and Management Strategies for Acute Colonic Intramural Hematoma
    Reham Samir, Mohamed B Hashem, Hedy A Badary, Ahmed Bahaa, Nader Bakheet
    International Journal of General Medicine.2022; Volume 15: 2861.     CrossRef
  • Colonic Intramural Hematoma in a Cat: A Case Report
    Ti-Chiu Hsu, Lee-Shuan Lin, Cheng-Shu Chung, Chuan Chiang, Hsien-Chieh Chiu, Ping-Hsun Huang
    Frontiers in Veterinary Science.2022;[Epub]     CrossRef
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    Devarajan Jebin Aaron, Sandeep Bhattarai, Oseen Shaikh, Sarath Chandra Sistla
    Cureus.2020;[Epub]     CrossRef
  • 6,022 View
  • 101 Download
  • 4 Web of Science
  • 4 Crossref
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Guide-Wire Assisted Endobiliary Forceps Biopsy Sampling
Chang-Il Kwon, Tae Hoen Kim, Kyoung Ah Kim
Clin Endosc 2017;50(4):404-405.   Published online February 13, 2017
DOI: https://doi.org/10.5946/ce.2016.149
PDFPubReaderePub

Citations

Citations to this article as recorded by  
  • Endobiliary biopsy
    Riccardo Inchingolo, Fabrizio Acquafredda, Alessandro Posa, Thiago Franchi Nunes, Stavros Spiliopoulos, Francesco Panzera, Carlos Alberto Praticò
    World Journal of Gastrointestinal Endoscopy.2022; 14(5): 291.     CrossRef
  • How Can We Differentiate Malignant Biliary Strictures from Clinically Indeterminate Biliary Strictures?
    Eui Joo Kim, Jae Hee Cho
    Clinical Endoscopy.2019; 52(2): 95.     CrossRef
  • 5,298 View
  • 142 Download
  • 3 Web of Science
  • 2 Crossref
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Focused Review Series: Past, present and future of gastrointestinal stents
Mechanisms of Biliary Plastic Stent Occlusion and Efforts at Prevention
Chang-Il Kwon, Glen A. Lehman
Clin Endosc 2016;49(2):139-146.   Published online March 22, 2016
DOI: https://doi.org/10.5946/ce.2016.024
AbstractAbstract PDFPubReaderePub
Biliary stenting via endoscopic retrograde cholangiopancreatography has greatly improved the quality of patient care over the last 30 years. Plastic stent occlusion limits the life span of such stents. Attempts to improve plastic stent patency duration have mostly failed. Metal stents (self-expandable metal stents [SEMSs]) have therefore replaced plastic stents, especially for malignant biliary strictures. SEMS are at least 10 times more expensive than plastic stents. In this focused review, we will discuss basic mechanisms of plastic stent occlusion, along with a systematic summary of previous efforts and related studies to improve stent patency and potential new techniques to overcome existing limitations.

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    Industrial & Engineering Chemistry Research.2024; 63(22): 9833.     CrossRef
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    BMC Gastroenterology.2018;[Epub]     CrossRef
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    Oncology Letters.2018;[Epub]     CrossRef
  • The Stent Patency and Migration Rate of Different Shaped Plastic Stents in Bile Flow Phantom Model and In Vivo Animal Bile Duct Dilation Model
    Chang-Il Kwon, Gwangil Kim, Seok Jeong, Don Haeng Lee, Kyoung Ah Kim, Kwang Hyun Ko, Joo Young Cho, Sung Pyo Hong
    Digestive Diseases and Sciences.2017; 62(5): 1246.     CrossRef
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  • 16,498 View
  • 273 Download
  • 38 Web of Science
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Original Article
Optimal Methods for the Management of Iatrogenic Colonoscopic Perforation
Dae Kyu Shin, Sun Young Shin, Chi Young Park, Sun Mi Jin, Yang Hyun Cho, Won Hee Kim, Chang-Il Kwon, Kwang Hyun Ko, Ki Baik Hahm, Pil Won Park, Jong Woo Kim, Sung Pyo Hong
Clin Endosc 2016;49(3):282-288.   Published online February 18, 2016
DOI: https://doi.org/10.5946/ce.2015.046
AbstractAbstract PDFPubReaderePub
Background
/Aims: Colonoscopic perforations have been managed with exploratory laparotomy, and have resulted in some morbidity and mortality. Recently, laparoscopic surgery is commonly performed for this purpose. The aim of this study was to compare the outcomes of several management strategies for iatrogenic colonoscopic perforations.
Methods
We retrospectively reviewed the medical records of patients who had been treated for colonoscopic perforation between January 2004 and April 2013 at CHA Bundang Medical Center in Korea.
Results
A total of 41 patients with colonoscopic perforation were enrolled. Twenty patients underwent conservative management with a success rate of 90%. Surgical management was performed in 23 patients including two patients who were converted to surgical management after the failure of the initial conservative management. Among 14 patients who underwent surgery at 8 hours after the perforation, there was no considerable difference in adverse outcomes between the laparotomy group and the laparoscopic surgery group. The medical costs and claim rate were 1.45 and 1.87 times greater in the exploratory laparotomy group, respectively.
Conclusions
Conservative management of colonoscopic perforation could be an option for patients without overt symptoms of peritonitis or with a small defect size. If surgical management is required, laparoscopic surgery may be considered as the initial procedure even with a delayed diagnosis.

Citations

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  • Pseudo‐obstruction But a Real Perforation

    AORN Journal.2019; 109(1): 142.     CrossRef
  • Treatment of colonoscopic perforation: outcomes from a major single tertiary institution
    Carolyn R. Chew, Justin M. C. Yeung, Ian G. Faragher
    ANZ Journal of Surgery.2019; 89(5): 546.     CrossRef
  • Management of colonoscopic perforations: A systematic review
    Alexander T. Hawkins, Kenneth W. Sharp, Molly M. Ford, Roberta L. Muldoon, M. Benjamin Hopkins, Timothy M. Geiger
    The American Journal of Surgery.2018; 215(4): 712.     CrossRef
  • 2017 WSES guidelines for the management of iatrogenic colonoscopy perforation
    Nicola de’Angelis, Salomone Di Saverio, Osvaldo Chiara, Massimo Sartelli, Aleix Martínez-Pérez, Franca Patrizi, Dieter G. Weber, Luca Ansaloni, Walter Biffl, Offir Ben-Ishay, Miklosh Bala, Francesco Brunetti, Federica Gaiani, Solafah Abdalla, Aurelien Ami
    World Journal of Emergency Surgery.2018;[Epub]     CrossRef
  • Management Outcomes of Colonoscopic Perforations Are Affected by the General Condition of the Patients
    Jae Ho Park, Kyung Jong Kim
    Annals of Coloproctology.2018; 34(1): 16.     CrossRef
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    Mircea Gabriel Mureșan, Ioan Alexandru Balmoș, Iudita Badea, Ario Santini
    The Journal of Critical Care Medicine.2018; 4(4): 120.     CrossRef
  • Laparoscopic vs. open surgery for the treatment of iatrogenic colonoscopic perforations: a systematic review and meta-analysis
    Aleix Martínez-Pérez, Nicola de’Angelis, Francesco Brunetti, Yann Le Baleur, Carmen Payá-Llorente, Riccardo Memeo, Federica Gaiani, Marco Manfredi, Paschalis Gavriilidis, Giorgio Nervi, Federico Coccolini, Aurelien Amiot, Iradj Sobhani, Fausto Catena, Gia
    World Journal of Emergency Surgery.2017;[Epub]     CrossRef
  • Urinary Bladder Injury During Colonoscopy Without Colon Perforation
    Jung Wook Suh, Jun Won Min, Hwan Namgung, Dong-Guk Park
    Annals of Coloproctology.2017; 33(3): 112.     CrossRef
  • The management of intra-abdominal infections from a global perspective: 2017 WSES guidelines for management of intra-abdominal infections
    Massimo Sartelli, Alain Chichom-Mefire, Francesco M. Labricciosa, Timothy Hardcastle, Fikri M. Abu-Zidan, Abdulrashid K. Adesunkanmi, Luca Ansaloni, Miklosh Bala, Zsolt J. Balogh, Marcelo A. Beltrán, Offir Ben-Ishay, Walter L. Biffl, Arianna Birindelli, M
    World Journal of Emergency Surgery.2017;[Epub]     CrossRef
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    Eun Sun Kim
    Clinical Endoscopy.2016; 49(3): 214.     CrossRef
  • 8,303 View
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Case Report
Communicating Tubular Esophageal Duplication Combined with Bronchoesophageal Fistula
Ju Hwan Kim, Chang-Il Kwon, Ji Young Rho, Sang Woo Han, Ji Su Kim, Suk Pyo Shin, Ga Won Song, Ki Baik Hahm
Clin Endosc 2016;49(1):81-85.   Published online January 28, 2016
DOI: https://doi.org/10.5946/ce.2016.49.1.81
AbstractAbstract PDFPubReaderePub
Esophageal duplication (ED) is rarely diagnosed in adults and is usually asymptomatic. Especially, ED that is connected to the esophagus through a tubular communication and combined with bronchoesophageal fistula (BEF) is extremely rare and has never been reported in the English literature. This condition is very difficult to diagnose. Although some combinations of several modalities, such as upper gastrointestinal endoscopy, esophagography, computed tomography, magnetic resonance imaging, and endoscopic ultrasonography, can be used for the diagnosis, the results might be inconclusive. Here, we report on a patient with communicating tubular ED that was incidentally diagnosed on the basis of endoscopy and esophagography during the postoperational evaluation of BEF.

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  • Reconstruction of Adult Tubular Esophageal Duplication with Supraclavicular Artery Island Flap: A Rare Case Presentation
    Xin Yang, Zheng Jiang, Jun Liu, Fei Chen
    Ear, Nose & Throat Journal.2023; : 014556132311734.     CrossRef
  • Tubular Duplication of the Esophagus in a Newborn, Treated by Thoracoscopy
    Igor Khvorostov, Alexey Gusev, Abdumanap Alkhasov, Sergey Yatsyk, Elena D'yakonova
    European Journal of Pediatric Surgery Reports.2022; 10(01): e49.     CrossRef
  • Endoscopic septum division of tubular esophageal duplication in two children and systematic review
    Rahşan Özcan, Ali Ekber Hakalmaz, Şenol Emre, Ayşe Karagöz, Çiğdem Tütüncü, Sebuh Kuruğoğlu, Gonca Topuzlu Tekant
    Pediatric Surgery International.2022; 38(11): 1525.     CrossRef
  • Endoscopic management of a tubular esophageal duplication in a young adult
    Pietro Familiari, Rosario Landi, Francesca Mangiola, Camilla Vittoria Vita, Guido Costamagna
    VideoGIE.2020; 5(10): 455.     CrossRef
  • Esophageal duplication and congenital esophageal stenosis
    A. Francois Trappey, Shinjiro Hirose
    Seminars in Pediatric Surgery.2017; 26(2): 78.     CrossRef
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  • 4 Web of Science
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Original Articles
Twenty-Second versus Sixty-Second Dilation Duration in Endoscopic Papillary Balloon Dilation for the Treatment of Small Common Bile Duct Stones: A Prospective Randomized Controlled Multicenter Trial
Byoung Wook Bang, Tae Hoon Lee, Tae Jun Song, Joung-Ho Han, Hyun Jong Choi, Jong Ho Moon, Chang-Il Kwon, Seok Jeong
Clin Endosc 2015;48(1):59-65.   Published online January 31, 2015
DOI: https://doi.org/10.5946/ce.2015.48.1.59
AbstractAbstract PDFPubReaderePub
Background/Aims

Endoscopic papillary balloon dilation (EPBD) has been advocated as an alternative therapy to endoscopic sphincterotomy for the treatment of common bile duct (CBD) stones. However, there is no established consensus on the optimal balloon dilation duration (BDD). We prospectively evaluated the efficacy and post-endoscopic retrograde cholangiopancreatography (ERCP) complications between the 20- and 60-second EPBD groups.

Methods

A total of 228 patients with small CBD stones (≤12 mm) were randomly assigned to undergo EPBD with a 20- or 60-second duration at six institutions. We evaluated baseline patient characteristics, endoscopic data, clinical outcomes, and procedure-related complications. In addition, we analyzed risk factors for postprocedural pancreatitis.

Results

CBD stones were removed successfully in 107 of 109 patients (98.1%) in the 20-second group and in 112 of 119 patients (94.1%) in the 60-second group (p=0.146). Post-ERCP pancreatitis developed in seven patients (6.4%) in the 20-second group and nine patients (7.5%) in the 60-second group (p=0.408). In multivariate analysis, contrast dye injection into the pancreatic duct is a significant risk factor for post-EPBD pancreatitis.

Conclusions

Based on the data showing that there were no significant differences in safety and efficacy between the two BDD groups, 20 seconds of BDD may be adequate for treatment of small CBD stones with EPBD.

Citations

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  • The therapeutic effect of balloon dilatation with different duration for biliary duct calculi: A network meta-analysis
    ZhiYuan Yu, Chen Liang, ShiYu Yang, Xu Zhang, Yan Sun
    Journal of Minimal Access Surgery.2022; 18(3): 327.     CrossRef
  • The ballooning time in endoscopic papillary balloon dilation for removal of bile duct stones
    Qiang Wang, Luyao Fu, Tao Wu, Xiong Ding
    Medicine.2021; 100(11): e24735.     CrossRef
  • Nouveautés dans la prise en charge des calculs biliaires à l’UEGW 2015
    E. Bories, C. Lefort
    Acta Endoscopica.2016; 46(1-2): 20.     CrossRef
  • Is endoscopic papillary balloon dilatation really a risk factor for post-ERCP pancreatitis?
    Toshio Fujisawa, Koichi Kagawa, Kantaro Hisatomi, Kensuke Kubota, Atsushi Nakajima, Nobuyuki Matsuhashi
    World Journal of Gastroenterology.2016; 22(26): 5909.     CrossRef
  • Is the Balloon Dilation Duration in Endoscopic Papillary Balloon Dilation (EPBD) Related to the Occurrence of Post-EPBD Pancreatitis?
    Dong Uk Kim
    Clinical Endoscopy.2015; 48(1): 6.     CrossRef
  • 7,401 View
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Endoscopic Submucosal Dissection Using a Novel Versatile Knife: An Animal Feasibility Study (with Video)
Chang-Il Kwon, Gwangil Kim, Il-Kwun Chung, Won Hee Kim, Kwang Hyun Ko, Sung Pyo Hong, Seok Jeong, Don Haeng Lee
Clin Endosc 2014;47(6):544-554.   Published online November 30, 2014
DOI: https://doi.org/10.5946/ce.2014.47.6.544
AbstractAbstract PDFSupplementary MaterialPubReaderePub
Background/Aims

In order to reduce the procedure time and the number of accessory changes during endoscopic submucosal dissection (ESD), we developed a novel versatile knife, which has the combined advantages of several conventional knives. The aim of this study was to compare the efficacy, safety, and histological quality of ESD performed using this novel versatile knife and a combination of several conventional knives.

Methods

This was an in vivo animal study comparing two different modalities of ESD in mini-pigs. Completion time of each resection was documented, and the resected specimens were retrieved and evaluated for completeness. To assess the quality control of the procedures and adverse events, detailed histopathological examinations were performed.

Results

A total of 18 specimens were dissected by ESD safely and easily (nine specimens using the new versatile knife; nine specimens by mixing conventional knives). All resections were completed as en bloc resections. There was no significant difference in procedure time between the 2 modalities (456 seconds vs. 355 seconds, p=0.258) and cutting speed (1.983 mm2/sec vs. 1.57 mm2/sec, p=1.000). The rate of adverse events and histological quality did not statistically differ between the modalities.

Conclusions

ESD with a versatile knife appeared to be an easy, safe, and technically efficient method.

Citations

Citations to this article as recorded by  
  • Comparison of synchronous dual wavelength diode laser versus conventional endo-knives for esophageal endoscopic submucosal dissection: an animal study
    Jian Tang, Shufang Ye, Xueliang Ji, Jun Li, Feng Liu
    Surgical Endoscopy.2018; 32(12): 5037.     CrossRef
  • Technological review on endoscopic submucosal dissection: available equipment, recent developments and emerging techniques
    Georgios Mavrogenis, Juergen Hochberger, Pierre Deprez, Morteza Shafazand, Dimitri Coumaros, Katsumi Yamamoto
    Scandinavian Journal of Gastroenterology.2017; 52(4): 486.     CrossRef
  • 7,266 View
  • 60 Download
  • 3 Web of Science
  • 2 Crossref
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Commentary
Long-Term Outcome of Endoscopic Papillary Large Balloon Dilatation
Chang-Il Kwon
Clin Endosc 2013;46(6):601-602.   Published online November 19, 2013
DOI: https://doi.org/10.5946/ce.2013.46.6.601
PDFPubReaderePub
  • 4,764 View
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Case Report
Endoscopic Resection of Giant Colonic Lipoma: Case Series with Partial Resection
Gun Woo Kim, Chang-Il Kwon, Sang Hee Song, Sun Mi Jin, Kyung Ho Kim, Jie Hye Moon, Sung Pyo Hong, Pil Won Park
Clin Endosc 2013;46(5):586-590.   Published online September 30, 2013
DOI: https://doi.org/10.5946/ce.2013.46.5.586
AbstractAbstract PDFPubReaderePub

Colonic lipoma, a very rare form of benign tumor, is typically detected incidentally in asymptomatic patients. The size of lipoma is reported variously from 2 mm to 30 cm, with higher likelihood of symptoms as the size is bigger. Cases with symptom or bigger lesion are surgically resected in principle; endoscopic resection, which has developed recently with groundbreaking advance of endoscopic excision technology, is being used more often but with rare report of success due to high chance of complications such as bowel perforation or bleeding. The authors report here, together with a literature review, our experiences of three cases of giant colonic lipomas showing complete remission after aggressive unroofing technique, at certain intervals, using snare catheter at the origin of the lipoma so that the remaining lipoma could be drained out of the exposed surface spontaneously, in order to reduce complications.

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    Richard Edmund Hogan, Ben Michael Murray, Michael Flanagan, Shane Brennan, Conor Shortt, Dara Kavanagh
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    Tara M. Connelly, Cillian Clancy, Shaomin Hu, Joshua Sommovilla
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    Jenson Phung, Morgan Freeman, Mohammad Bilal
    Endoscopy.2023; 55(S 01): E817.     CrossRef
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    Jun Yong Bae, Hun Kyu Kim, Yee Jin Kim, Se Woong Kim, Youngeun Lee, Chang Beom Ryu, Moon Sung Lee
    World Journal of Clinical Cases.2023; 11(26): 6194.     CrossRef
  • Observation of the drainage process of the residual lipoma after endoscopic unroofing technique during colonoscopic evaluation of post-procedural hematochezia
    Yi-Ling Ko, Hiroki Matsuoka, Ryohei Nomaru, So Imakiire, Hideto Sakisaka, Satoshi Matsuoka, Nobuaki Kuno, Koichi Abe, Sadahiro Funakoshi, Yusuke Ishida, Hideki Ishibashi, Kaori Koga, Tetsuhiro Saito, Morishige Takeshita, Fumihito Hirai
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    Zhi-Hao Chen, Li-Hong Lv, Wen-Sheng Pan, Yi-Miao Zhu
    World Journal of Gastroenterology.2022; 28(34): 5086.     CrossRef
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    Kenneth Ford, Samantha Lopez, Gaurav Synghal, Yomi Fayiga, Brittany Carter, Anuj Kandel, Kenneth Ford
    Baylor University Medical Center Proceedings.2021; 34(3): 371.     CrossRef
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    Amy Donovan, Sandun Abeyasundara, Hajir Nabi
    ANZ Journal of Surgery.2020;[Epub]     CrossRef
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    U. B. Urmonov, S. G. Afanasyev, A. Yu. Dobrodeev, A. V. Avgustinovich, M. Yu. Volkov, N. V. Vasiliev, E. N. Samtsov
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    Michiel Bronswijk, Anne‐Marie Vandenbroucke, Peter Bossuyt
    United European Gastroenterology Journal.2020; 8(10): 1147.     CrossRef
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    Michiel Bronswijk
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    S. U. B. Dassanayake, N. P. Dinamithra, N. M. M. Nawarathne
    Journal of Medical Case Reports.2016;[Epub]     CrossRef
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    Diane Lorenzo, Jean Michel Gonzalez, Alban Benezech, Marc Barthet
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    Yuichi Tomiki, Koichiro Niwa, Kiichi Nagayasu, Yu Okazawa, Shingo Ito, Ryosuke Ichikawa, Hisashi Ro, Shun Ishiyama, Kiichi Sugimoto, Kazuhiro Sakamoto
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    B. Asantha De Silva, Raeed Deen, Wasantha K. Wijenayake
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    Marcela Kopáčová, Stanislav Rejchrt, Jan Bureš
    Acta Medica (Hradec Kralove, Czech Republic).2015; 58(4): 115.     CrossRef
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    Syed Adnan Mohiuddin, Saad Al Kaabi, Ragesh Babu Thandassery, Khalid Mohsin Al Ejji, Nazeeh Al Dweik, Emran Amir, Manik Sharma
    Indian Journal of Gastroenterology.2014; 33(6): 571.     CrossRef
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Special Issue Article of IDEN 2013
Functional Self-Expandable Metal Stents in Biliary Obstruction
Chang-Il Kwon, Kwang Hyun Ko, Ki Baik Hahm, Dae Hwan Kang
Clin Endosc 2013;46(5):515-521.   Published online September 30, 2013
DOI: https://doi.org/10.5946/ce.2013.46.5.515
AbstractAbstract PDFPubReaderePub

Biliary stents are widely used not only for palliative treatment of malignant biliary obstruction but also for benign biliary diseases. Each plastic stent or self-expandable metal stent (SEMS) has its own advantages, and a proper stent should be selected carefully for individual condition. To compensate and overcome several drawbacks of SEMS, functional self-expandable metal stent (FSEMS) has been developed with much progress so far. This article looks into the outcomes and defects of each stent type for benign biliary stricture and describes newly introduced FSEMSs according to their functional categories.

Citations

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  • Anti-fibrotic and anti-stricture effects of biodegradable biliary stents braided with dexamethasone-impregnated sheath/core structured monofilaments
    Ju-Ro Lee, Seung Won Yang, Chang-Il Kwon, Kyu Seok Kim, Se Hwan Park, Myeong Jin Jang, Ga Hee Kim, Min Je Sung, Gwangil Kim, Jun Sik Son, Yoon Ki Joung
    Acta Biomaterialia.2024; 178: 137.     CrossRef
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    Nga T. Nguyen, Hasan A. Khan, Kian Abdul-Baki, Woongsoon Choi, Neel K. Shroff, Zahra Akhtar, Peeyush Bhargava
    Clinical Imaging.2023; 103: 109986.     CrossRef
  • Research progress on biliary stents

    Progress in Medical Devices.2023;[Epub]     CrossRef
  • A poly(l‐lactic acid) braided stent with high mechanical properties during in vitro degradation in bile
    Gutian Zhao, Yuan Tian, Rixin Hua, Qingwei Liu, Jie Cheng, Gensheng Wu, Yi Zhang, Zhonghua Ni
    Journal of Applied Polymer Science.2022;[Epub]     CrossRef
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    Zong-Ming Li, De-Chao Jiao, Xin-Wei Han, Qin-Yu Lei, Xue-Liang Zhou, Miao Xu
    Surgical Endoscopy.2022; 36(7): 4932.     CrossRef
  • A viewpoint on material and design considerations for oesophageal stents with extended lifetime
    Caitlin E. Jackson, Liam S. J. Johnson, Dominic A. Williams, Hans-Ulrich Laasch, Derek W. Edwards, Alison G. Harvey
    Journal of Materials Science.2022; 57(1): 3.     CrossRef
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    Saswat Choudhury, Sonal Asthana, Shervanthi Homer-Vanniasinkam, Kaushik Chatterjee
    Biomaterials Science.2022; 10(14): 3716.     CrossRef
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    Tsuyoshi Hamada, Yousuke Nakai, Hiroyuki Isayama, Kazuhiko Koike
    Digestive Endoscopy.2021; 33(3): 310.     CrossRef
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    Yuan Tian, Jing Zhang, Jie Cheng, Gensheng Wu, Yi Zhang, Zhonghua Ni, Gutian Zhao
    Journal of Applied Polymer Science.2021;[Epub]     CrossRef
  • Mechanical properties and degradation process of biliary self‐expandable biodegradable stents
    Chang‐Il Kwon, Jun Sik Son, Kyu Seok Kim, Jong Pil Moon, Sehwan Park, Jinkyung Jeon, Gwangil Kim, Sung Hoon Choi, Kwang Hyun Ko, Seok Jeong, Don Haeng Lee
    Digestive Endoscopy.2021; 33(7): 1158.     CrossRef
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    Chang-Il Kwon
    The Korean Journal of Pancreas and Biliary Tract.2020; 25(1): 18.     CrossRef
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    Sung Ill Jang, Dong Ki Lee
    The Korean Journal of Pancreas and Biliary Tract.2020; 25(1): 11.     CrossRef
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    A.V. Shabunin, M.M. Tavobilov, S.S. Lebedev, A.A. Karpov
    Khirurgiya. Zhurnal im. N.I. Pirogova.2020; (5): 70.     CrossRef
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    Dong Wook Lee, Jimin Han
    The Korean Journal of Internal Medicine.2019; 34(2): 261.     CrossRef
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    Chang-Il Kwon
    The Korean Journal of Gastroenterology.2019; 74(2): 69.     CrossRef
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    Chang-Il Kwon, Gwangil Kim, Seok Jeong, Don Haeng Lee, Kyoung Ah Kim, Kwang Hyun Ko, Joo Young Cho, Sung Pyo Hong
    Digestive Diseases and Sciences.2017; 62(5): 1246.     CrossRef
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    Hyeong Seok Nam, Dae Hwan Kang
    Clinical Endoscopy.2016; 49(2): 124.     CrossRef
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    Chang-Il Kwon, Glen A. Lehman
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    Chang-Il Kwon, Mark A. Gromski, Stuart Sherman, Jeffrey J. Easler, Ihab I. El Hajj, James Watkins, Evan L. Fogel, Lee McHenry, Glen A. Lehman
    Digestive Diseases and Sciences.2016; 61(8): 2426.     CrossRef
  • Bile Flow Phantom Model and Animal Bile Duct Dilation Model for Evaluating Biliary Plastic Stents with Advanced Hydrophilic Coating
    Chang-Il Kwon, Gwangil Kim, Seok Jeong, Won Seop Lee, Don Haeng Lee, Kwang Hyun Ko, Sung Pyo Hong, Ki Baik Hahm
    Gut and Liver.2016; 10(4): 632.     CrossRef
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    Dong Hoon Yang, Sang Wook Park, Hyeung Chul Moon, Kyoung Wan You, Seo Joon Eun, Seung Ki Moon, Choel Min Bak, Shin Hyoung Jo
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    Ban Seok Lee, Ji Kon Ryu, Dong Kee Jang, Kwang Hyun Chung, Won Jae Yoon, Jaihwan Kim, Sang Myung Woo, Sang Hyub Lee, Woo Jin Lee, Yong‐Tae Kim
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    Stephen Thomas, Rina P. Patel, Aytekin Oto
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    Allyson Berent, Chick Weisse, Mark Schattner, Hans Gerdes, Peter Chapman, Michael Kochman
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    Jin-Seok Park, Seok Jeong, Don Haeng Lee
    Clinical Endoscopy.2015; 48(3): 209.     CrossRef
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    Sung Ill Jang, Dong Ki Lee
    Gastrointestinal Intervention.2015; 4(1): 50.     CrossRef
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    Gerardo Blanco Rodríguez, Juan Manuel Blancas Valencia, Gustavo Varela Fascinetto, José Alejandro Hernández Plata, Juan Manuel Alcantar Fierros, Gustavo Teyssier Morales, Jaime Penchyna Grub
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    Eun Ha Seo, Kun Na
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  • 9,549 View
  • 75 Download
  • 28 Crossref
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Original Article
Angular Positioning of Stent Increases Bowel Perforation after Self-Expandable Metal Stent Placement for Malignant Colorectal Obstruction
Jeong Guil Lee, Kwang Ho Yoo, Chang-Il Kwon, Kwang Hyun Ko, Sung Pyo Hong
Clin Endosc 2013;46(4):384-389.   Published online July 31, 2013
DOI: https://doi.org/10.5946/ce.2013.46.4.384
AbstractAbstract PDFPubReaderePub
Background/Aims

Some factors like stent wires, balloon dilatation and use of guide wires seems to increase perforation after self-expandable metal stent (SEMS) placement, but few studies mentioned about the relationship between angulation of malignant stricture and perforation. The present study aimed to confirm that more angular positioning of stents increases perforation.

Methods

This study was conducted with retrospectively evaluation at Digestive Disease Center, CHA Bundang Medical Center, CHA University. Between January 2002 and August 2011, SEMS was inserted in 130 patients with malignant colorectal obstruction. We studied the difference in the angle of stenosis between perforation and non-perforation groups using fluorography images.

Results

SEMS insertion was performed in 130 cases of obstruction due to colon cancer. Perforation occurred in eight patients (6.2%) of them. Thirteen cases were excluded from the analysis due to poor fluoroscopic images. Among the eight patients with perforation, the mean stenosis angle was 109.9° compared to 153.1° in the nonperforation group, indicating that the angle was more acute in the perforation group (p=0.016).

Conclusions

This study shows that more angular positioning of stent increases bowel perforation after SEMS placement for malignant colorectal obstruction.

Citations

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    Chong-Chi Chiu, Kuo-Chuan Hung, Li-Ren Yeh
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    Amelie Lueders, Gabie Ong, Peter Davis, Jonathan Weyerbacher, Jonathan Saxe
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Review
Unusual Complications Related to Endoscopic Retrograde Cholangiopancreatography and Its Endoscopic Treatment
Chang-Il Kwon, Sang Hee Song, Ki Baik Hahm, Kwang Hyun Ko
Clin Endosc 2013;46(3):251-259.   Published online May 31, 2013
DOI: https://doi.org/10.5946/ce.2013.46.3.251
AbstractAbstract PDFPubReaderePub

Endoscopic retrograde cholangiopancreatography (ERCP)-induced complications, once occurred, can lead to significant morbidity. Commonly 5% to 10% of patients experience procedure related complications such as post-ERCP pancreatitis, biliary hemorrhage, and cholangitis, in descending order. However, complications such as perforation, pneumothorax, air embolism, splenic injury, and basket impaction are rare but are associated with high mortality if occurred. Such unexpected unusual complications might extend the length of hospitalization, require urgent surgical intervention, and put the patient in miserable condition leading to permanent disability or mortality. Although these ERCP-induced complications can be minimized by a skilled operator using advanced techniques and devices, the occurrence of unusual complications are hard to expect and induce very difficult management condition. In this review, we will focus on the uncommon complications related to ERCP. This review is also aimed at suggesting optimal endoscopic treatment strategies for several complications based on our institutional experiences.

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Brief Report
Balloon Catheter Assisted Biliary Stent Insertion
Chang-Il Kwon, Kwang Hyun Ko
Clin Endosc 2013;46(2):201-202.   Published online March 31, 2013
DOI: https://doi.org/10.5946/ce.2013.46.2.201
PDFPubReaderePub

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Focused Review Series: Globalization and Universalization of ESD
Endoscopic Submucosal Dissection (ESD) Training and Performing ESD with Accurate and Safe Techniques
Chang-Il Kwon
Clin Endosc 2012;45(4):347-349.   Published online November 30, 2012
DOI: https://doi.org/10.5946/ce.2012.45.4.347
AbstractAbstract PDFPubReaderePub

Introduction of endoscopic submucosal dissection (ESD) has brought about a renaissance in therapeutic endoscopy. For the globalization and universalization of ESD, the number of physicians who can perform ESD has rapidly increased with general ex vivo and in vivo training using animal models and hand-on courses. In this focused review series, world-renowned ESD experts described the published studies or their own precious experiences about ESD training and performing ESD with accurate and safe techniques. First, Dr. Adolfo Parra-Blanco reviewed on ex vivo and in vivo models for ESD training. Next, Dr. Joo Young Cho described detailed practical settings and current status of hands-on courses using ex vivo and in vivo models in Korea. Dr. Takashi Toyonaga described quality controlled ESD and basic techniques to prevent complications. Dr. Tsuneo Oyama reviewed recently published methods to facilitate ESD. Dr. Jae-Young Jang reviewed the usefulness of magnifying and narrow band imaging to measure the depth of invasion before ESD.

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    Jun Huang, Bing-ran Du, Wei-guang Qiao, Si-lin Huang, Lan-feng Xue, Liang Deng, Jun-ming Liang, Jun Wang, Jian-yi Li, Yu Chen
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    Roxana M Coman
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Case Report
An Impacted Pancreatic Stone in the Papilla Induced Acute Obstructive Cholangitis in a Patient with Chronic Pancreatitis
Kwang-Ho Yoo, Chang-Il Kwon, Sang-Wook Yoon, Won Hee Kim, Jung Min Lee, Kwang Hyun Ko, Sung Pyo Hong, Pil Won Park
Clin Endosc 2012;45(1):99-102.   Published online March 31, 2012
DOI: https://doi.org/10.5946/ce.2012.45.1.99
AbstractAbstract PDFPubReaderePub

Obstructive jaundice is very rarely caused by impaction of a pancreatic stone in the papilla. We report here on a case of obstructive jaundice with acute cholangitis that was caused by an impacted pancreatic stone in the papilla in a patient with chronic pancreatitis. A 48-year-old man presented with acute obstructive cholangitis. Abdominal computed tomography with the reconstructed image revealed distal biliary obstruction that was caused by a pancreatic stone in the pancreatic head, and there was also pancreatic ductal dilatation and parenchymal atrophy of the pancreatic body and tail with multiple calcifications. Emergency duodenoscopy revealed an impacted pancreatic stone in the papilla. Precut papillotomy using a needle knife was performed, followed by removal of the pancreatic stone using grasping forceps. After additional sphincterotomy, a large amount of dark-greenish bile juice gushed out. The patient rapidly improved and he has remained well.

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