Highlights of the 48th Seminar of Korean Society of Gastrointestinal Endoscopy

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Abstract

This special May issue of Clinical Endoscopy discusses the tutorial contents dealing with either the diagnostic or therapeutic gastrointestinal (GI) endoscopy that contain very fundamental and essential points in this filed. The seminar of Korean Society of Gastrointestinal Endoscopy (KSGE) had positioned as one of prime educational seminars covering the very beginner to advanced experts of GI endoscopy. Besides of four rooms allocated for each lecture, two additional rooms were open for either live demonstration or hands-on course, covering totally 20 sessions including one special lecture. Among these prestigious lectures, 12 lectures were selected for the current review articles in this special issue of Clinical Endoscopy journal. Basic course for beginner to advanced tips to expert were all covered in this seminar. This introductory review prepared by four associated editors of Clinical Endoscopy contained core contents divided into four sessions-upper gut, lower gut, pancreaticobiliary, and specialized topic session part-to enhance understandings not covered by enlisted review articles in this issue.

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Most cited references 26

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Validation of a simple classification system for endoscopic diagnosis of small colorectal polyps using narrow-band imaging.

David G. Hewett, Tonya Kaltenbach, Yasushi Sano … (2012)

Almost all colorectal polyps ≤ 5 mm are benign, yet current practice requires costly pathologic analysis. We aimed to develop and evaluate the validity of a simple narrow-band imaging (NBI)-based classification system for differentiating hyperplastic from adenomatous polyps. The study was conducted in 4 phases: (1) evaluation of accuracy and reliability of histologic prediction by NBI-experienced colonoscopists; (2) development of a classification based on color, vessels, and surface pattern criteria, using a modified Delphi method; (3) validation of the component criteria by people not experienced in endoscopy or NBI analysis (25 medical students, 19 gastroenterology fellows) using 118 high-definition colorectal polyp images of known histology; and (4) validation of the classification system by NBI-trained gastroenterology fellows, using still images. We performed a pilot evaluation during real-time colonoscopy. We developed a classification system for the endoscopic diagnosis of colorectal polyp histology and established its predictive validity. When all 3 criteria were used, the specificity ranged from 94.9% to 100% and the combined sensitivity ranged from 8.5% to 61.0%. The specificities of the individual criteria were lower although the sensitivities were higher. During real-time colonoscopy, endoscopists made diagnoses with high confidence for 75% of consecutive small colorectal polyps, with 89% accuracy, 98% sensitivity, and 95% negative predictive values. We developed and established the validity of an NBI classification system that can be used to diagnose colorectal polyps. In preliminary real-time evaluation, the system allowed endoscopic diagnoses of colorectal polyp histology. Copyright © 2012 AGA Institute. Published by Elsevier Inc. All rights reserved.

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The American Society for Gastrointestinal Endoscopy PIVI (Preservation and Incorporation of Valuable Endoscopic Innovations) on real-time endoscopic assessment of the histology of diminutive colorectal polyps.

Douglas Rex, Charles Kahi, Michael V O'brien … (2011)

The PIVI (Preservation and Incorporation of Valuable endoscopic Innovations) initiative is an ASGE program whose objectives are to identify important clinical questions related to endoscopy and to establish a priori diagnostic and/or therapeutic thresholds for endoscopic technologies designed to resolve these clinical questions. Additionally, PIVIs may also outline the data and or the research study design required for proving an established threshold is met. Once endoscopic technologies meet an established PIVI threshold, those technologies are appropriate to incorporate into clinical practice presuming the appropriate training in that endoscopic technology has been achieved. The ASGE encourages and supports the appropriate use of technologies that meet its established PIVI thresholds. The PIVI initiative was developed primarily to direct endoscopic technology development toward resolving important clinical issues in endoscopy. The PIVI initiative is also designed to minimize the possibility that potentially valuable innovations are prematurely abandoned due to lack of utilization and to avoid widespread use of an endoscopic technology before clinical studies documenting their effectiveness have been performed. The following document, or PIVI, is one of a series of statements defining the diagnostic or therapeutic threshold that must be met for a technique or device to become considered appropriate for incorporation into clinical practice. It is also meant to serve as a guide for researchers or those seeking to develop technologies that are designed to improve digestive health outcomes. An ad hoc committee under the auspices of the existing ASGE Technology and Standards of Practice Committees Chairs develops PIVIs. An expert in the subject area chairs the PIVI, with additional committee members chosen for their individual expertise. In preparing this document, evidence-based methodology was employed, using a MEDLINE and PubMed literature search to identify pertinent clinical studies on the topic. PIVIs are ultimately submitted to the ASGE Governing Board for approval, as is done for all Technology and Standards of Practice documents. This document is provided solely for educational and informational purposes and to support incorporating these endoscopic technologies into clinical practice. It should not be construed as establishing a legal standard of care. Copyright © 2011. Published by Mosby, Inc.

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Author and article information

Journal

Journal ID (nlm-ta): Clin Endosc

Journal ID (iso-abbrev): Clin Endosc

Journal ID (publisher-id): CE

Title: Clinical Endoscopy

Publisher: The Korean Society of Gastrointestinal Endoscopy

ISSN (Print): 2234-2400

ISSN (Electronic): 2234-2443

Publication date (Print): May 2013

Publication date (Electronic): 31 May 2013

Volume: 46

Issue: 3

Pages: 203-211

Affiliations

[1 ]Department of Gastroenterology, Gachon University Gil Medical Center, Gachon University of Medicine and Science, Incheon, Korea.

[2 ]Center for Gastric Cancer, National Cancer Center, Goyang, Korea.

[3 ]Department of Internal Medicine, Catholic University of Daegu School of Medicine, Daegu, Korea.

[4 ]Division of Gastroenterology, Department of Internal Medicine, Kyung Hee University School of Medicine, Seoul, Korea.

[5 ]Department of Gastroenterology, CHA Bundang Medical Center, CHA University, Seongnam, Korea.

Author notes

Correspondence: Ki Baik Hahm. Department of Gastroenterology, CHA Bundang Medical Center, CHA University, 59 Yatap-ro, Bundang-gu, Seongnam 463-712, Korea. Tel: +82-31-780-5220, Fax: +82-31-780-5219, hahmkb@ 123456cha.ac.kr

Article

DOI: 10.5946/ce.2013.46.3.203

PMC ID: 3678054

PubMed ID: 23767027

SO-VID: dbedb8c6-de58-4f6e-b0fa-70d6f3455a28

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This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Highlights of the 48th Seminar of Korean Society of Gastrointestinal Endoscopy

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Most cited references 26

Practice guidelines for sedation and analgesia by non-anesthesiologists.

Validation of a simple classification system for endoscopic diagnosis of small colorectal polyps using narrow-band imaging.

The American Society for Gastrointestinal Endoscopy PIVI (Preservation and Incorporation of Valuable Endoscopic Innovations) on real-time endoscopic assessment of the histology of diminutive colorectal polyps.

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