Clinical Endoscopy

Original Article

Efficacy of an assistive guide tube for improved endoscopic access to gastrointestinal lesions: an in vivo study in a porcine model: Dong Seok Lee, Jeong-Sik Byeon, Sang Gyun Kim, Ji Won Kim, Kook Lae Lee, Ji Bong Jeong, Yong Jin Jung, Hyoun Woo Kang; Clin Endosc 2024;57(1):82-88. Published online April 18, 2023; DOI: https://doi.org/10.5946/ce.2022.161

Graphical Abstract Abstract PDF PubReader ePub: Background
/Aims: Guide tube-assisted endoscopy for procedures that require repeated endoscopic access is safer and more effective than conventional endoscopy. However, its effectiveness has not been confirmed in animal studies. We assessed the usefulness of guide tube-assisted endoscopic procedures in an in vivo porcine model.
Methods
Five different guide tube-assisted endoscopic procedures were performed by experienced endoscopists on a pig weighing 32 kg. To evaluate the efficacy of these procedures, we compared the endoscopic approach time when a guide tube was used to that when it was not. Additional endoscopic procedures using a guide tube were performed, including multiple foreign body extractions, multiple polypectomies, and multiple submucosal dissections. To evaluate safety, we compared the insertion force into the proximal esophagus between the guide tube and conventional overtube methods.
Results
Using the endoscopic approach with a guide tube required a shorter average approach time to reach the three target lesions than when using the endoscopic approach without a guide tube (p<0.001). Compared to the conventional overtube method, the guide tube method produced a lower average resistance during insertion into the upper esophagus (p<0.001).
Conclusions
Guide tube-assisted endoscopic procedures are effective and safe for repeated endoscopic access in an in vivo porcine model.

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Review

Endoscopic ultrasound-guided intervention for inaccessible papilla in advanced malignant hilar biliary obstruction: Partha Pal, Sundeep Lakhtakia; Clin Endosc 2023;56(2):143-154. Published online February 17, 2023; DOI: https://doi.org/10.5946/ce.2022.198

Abstract PDF PubReader ePub

Advanced malignant hilar biliary obstruction (MHBO) with inaccessible papilla poses a significant challenge to endoscopists, as drainage of multiple liver segments may be warranted. Transpapillary drainage may not be feasible in patients with surgically altered anatomy, duodenal stenosis, prior duodenal self-expanding metal stent, and after initial transpapillary drainage, but require re-intervention for draining separated liver segments. Endoscopic ultrasound-guided biliary drainage (EUS-BD) and percutaneous trans-hepatic biliary drainage are the feasible options in this scenario. The major advantages of EUS-BD over percutaneous trans-hepatic biliary drainage include a reduction in patient discomfort and internal drainage away from the tumor, thus reducing the possibility of tissue or tumor ingrowth. With innovations, EUS-BD is helpful not only for bilateral communicating MHBO but also for non-communicating systems with bridging hilar stents or isolated right intra-hepatic duct drainage by hepatico-duodenostomy. EUS-guided multi-stent drainage with specially designed cannulas and guidewires has become a reality. A combined approach with endoscopic retrograde cholangiopancreatography for re-intervention, interventional radiology, and intraductal tumor ablative therapies has been reported. Stent migration and bile leakage can be minimized with proper stent selection and technique, and stent blocks can be managed with EUS-guided interventions in a majority of cases. Future comparative studies are required to establish the role of EUS-guided interventions in MHBO as rescue or primary therapy.

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Focused Review Series: Endoscopic Accessories Used for ESDs

Endoscopic Accessories Used for More Advanced Endoluminal Therapeutic Procedures: Hyunsoo Chung; Clin Endosc 2017;50(3):234-241. Published online May 31, 2017; DOI: https://doi.org/10.5946/ce.2017.079

Abstract PDF PubReader ePub: Endoscopic accessories describe an extensive variety of auxiliary instruments used for diagnostic and therapeutic endoscopy. Various endoscopic accessories have been developed over the previous few decades and are mostly used for treating neoplastic lesions, such as early gastrointestinal (GI) carcinomas and premalignant lesions. Because of extensive research on natural orifice endoluminal surgery (NOTES) in the early 2000s and recent technological developments, new devices have been developed for various advanced endoluminal therapeutic procedures. In particular, a remarkable development of endoscopic management was achieved in the field of gastroesophageal reflux disease (GERD) and obesity. In both conditions, there is treatment gap between medical and surgical therapy. A large proportion of the patients who do not respond to medical treatment and lifestyle modification, still hesitate to directly undergo surgical treatment. To bridge this gap, endoscopic management has been receiving increasing attention. In this article, I review endoscopic and/or endoluminal devices used for the treatment of GERD and obesity with proposed mechanisms of their function.

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History and Development of Accessories for Endoscopic Submucosal Dissection: Bong Min Ko; Clin Endosc 2017;50(3):219-223. Published online May 31, 2017; DOI: https://doi.org/10.5946/ce.2017.078

Abstract PDF PubReader ePub

Endoscopic submucosal dissection (ESD) procedure is composed of circumferential mucosal incision and submucosal dissection. A variety of endoscopic accessories are required to perform mucosal incision and submucosal dissection safely. As a result of the improvements in ESD devices and peripheral equipment and development of the ESD technique, ESD procedures have been performed extensively worldwide. Here I review the history of the development of accessories used in performing ESD procedures.

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Future Development of Endoscopic Accessories for Endoscopic Submucosal Dissection: Jae-Young Jang; Clin Endosc 2017;50(3):242-249. Published online May 31, 2017; DOI: https://doi.org/10.5946/ce.2017.073

Abstract PDF PubReader ePub

Endoscopic submucosal dissection (ESD) has recently been accepted as a standard treatment for patients with early gastric cancer (EGC), without lymph node metastases. Given the rise in the number of ESDs being performed, new endoscopic accessories are being developed and existing accessories modified to facilitate the execution of ESD and reduce complication rates. This paper examines the history underlying the development of these new endoscopic accessories and indicates future directions for the development of these accessories.

Citations

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Biomedical Materials.2024; 19(5): 055023. CrossRef
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Endoscopic submucosal dissection: an update on tools and accessories
Christopher Harlow, Arun Sivananthan, Lakshmana Ayaru, Kinesh Patel, Ara Darzi, Nisha Patel
Therapeutic Advances in Gastrointestinal Endoscopy.2020; 13: 263177452095722. CrossRef

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Accessory Devices Frequently Used for Endoscopic Submucosal Dissection: Hyuk Soon Choi, Hoon Jai Chun; Clin Endosc 2017;50(3):224-233. Published online May 31, 2017; DOI: https://doi.org/10.5946/ce.2017.070

Abstract PDF PubReader ePub

Endoscopic submucosal dissection (ESD) is increasingly being considered an essential component of treatment for early gastrointestinal cancers and subepithelial tumors. The ESD technique owes its popularity to the development of sophisticated instruments used for ESD. With an increase in the number of ESD procedures performed, there is rapid development in the number and types of endoscopic accessory devices used for such procedures. Despite the large numbers of new devices developed and marketed, the use of ESD instruments and accessory devices is largely determined by individual preferences and experiences. Accessory devices frequently used during ESD are important tools for ESD techniques. Each instrument possesses characteristic advantages and disadvantages associated with its use, and no one instrument is superior in all respects to others. In this article, we review the characteristics of endoscopic electrical knives, cap and hood, and hemostatic devices commonly used in ESD.

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European Journal of Pharmaceutics and Biopharmaceutics.2022; 178: 25. CrossRef
Comparison between a novel core knife and the conventional IT knife 2 for endoscopic submucosal dissection of gastric mucosal lesions
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Original Article

Evidence of the Internationalization of Clinical Endoscopy Based on Journal Metrics: Sun Huh; Clin Endosc 2015;48(4):317-321. Published online July 24, 2015; DOI: https://doi.org/10.5946/ce.2015.48.4.317

Abstract PDF PubReader ePub

Background/Aims

This study aims to verify the internationalization of Clinical Endoscopy based on journal metrics after the change to English-only in 2011. The results of this study serve as a starting point for developing strategies to develop Clinical Endoscopy into a top-tier international journal.

Methods

The following journal metrics were analyzed from the journal's homepage or the Web of Science: the number of citable articles, number of countries of affiliation of the contributors, the number of articles supported by research grants, total citations, impact factor, citing journals, countries of citing authors, and the Hirsch index.

Results

The number of citable articles in 2011, 2012, 2013, and 2014 was 22, 81, 120, and 95, respectively. The authors were from 11 countries. Twenty-one out of 55 original articles were supported by research grants. The total citations in 2012, 2013, and 2014 were 2, 85, and 213, respectively. The impact factor was 0.670 in 2013 and 0.940 in 2014. The number of countries citing authors were from was 61. The Hirsch index was 6.

Conclusions

The above results demonstrate that Clinical Endoscopy became an international journal, contributing to the propagation of valuable research results through an open access publishing model.

Citations

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Journal metrics of Clinical and Molecular Hepatology based on the Web of Science Core Collection
Sun Huh
Clinical and Molecular Hepatology.2018; 24(2): 137. CrossRef
Clinical and Experimental Vaccine Research's promotion to internationally competitive journal evidenced by journal metrics
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Clinical and Experimental Vaccine Research.2017; 6(2): 67. CrossRef
Promotion ofNeurointerventionto International Journal Based on Journal Metrics
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Neurointervention.2016; 11(1): 5. CrossRef
Journal of Gastric Cancer's Promotion to International Journal from the Perspective of Biliometric Analysis
Sun Huh
Journal of Gastric Cancer.2016; 16(1): 8. CrossRef
Clinics in Orthopedic Surgery's Evolution into an International Journal Based on Journal Metrics
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Clinics in Orthopedic Surgery.2016; 8(2): 127. CrossRef
The Elevation ofAnnals of Rehabilitation Medicineto the Status of an International Journal After Adopting an English-Only Policy
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Annals of Rehabilitation Medicine.2015; 39(5): 661. CrossRef
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Journal of Educational Evaluation for Health Professions.2015; 12: 57. CrossRef

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Review

Clinical Endoscopy as One of Leading Journals in Gastrointestinal Endoscopy: Kwang An Kwon, Il Ju Choi, Ji Kon Ryu, Eun Young Kim, Ki Baik Hahm; Clin Endosc 2015;48(4):312-316. Published online July 24, 2015; DOI: https://doi.org/10.5946/ce.2015.48.4.312

Abstract PDF PubReader ePub: Clinical Endoscopy (CE) is an official open access journal published bimonthly by the Korean Society of Gastrointestinal Endoscopy (KSGE, http://www.gie.or.kr) and is listed on PMC, PubMed and SCOPUS. The KSGE was established on August 14, 1976, and the journal of the KSGE was published in Korean for the first time in November 1981. The journal was then titled the "Korean Journal of Gastrointestinal Endoscopy" and was published in Korean untill the July 2011 issue. The journal was published in English from the September 2011 issue under the official title of CE. In this review, the past and present of CE are discussed and future perspectives are introduced. In addition, the efforts to progress to a "first come, first served journal" in the field of gastrointestinal endoscopy and to be indexed in Science Citation Index will be described.

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복강경적 담낭 절제술 후 부담관에서 발생한 담즙 유출 1예 ( A Case of Bile Leak from the Accessory Bile Duct after Laparoscopic Cholecystectomy ): Korean J Gastrointest Endosc 2000;21(1):586-589. Published online November 30, 1999

Abstract PDF: Bile leak is one of the complications of both open and laparoscopic cholecystectomy. The majority of postcholecystectomy leaks occur from the cystic duct stump. Due to their location and small size, accessory ducts are vulnerable to injury during cholecystectomy. A clinical significant leak from the injured accessory bile duct is rare and has rarely been reported in Korea. Endoscopic retrograde cholangiopancreatography (ERCP) has a major role both in detecting such a leak, determining its site, and in managing it. A case was experienced involving a significant bile leak after laparoscopic cholecystectomy from the accessory bile duct in a 49 year-old man. The site of the leak was diagnosed by ERCP and the leak was successfully treated endoscopically by using biliary stenting. However, the diagnosis of the accessory bile duct was established only by a follow-up ERCP done after the healing of the bile leak. This case in herein reported with a review of the related literature. (Korean J Gastrointest Endosc 2000;21:586-589)

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