Clinical Endoscopy

Jae Myung Cha

10 Articles

Awareness of green endoscopy is low among healthcare professionals performing gastrointestinal endoscopy: Tae Joo Jeon, Jae Myung Cha; Clin Endosc 2024;57(6):836-838. Published online July 25, 2024; DOI: https://doi.org/10.5946/ce.2024.004

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Towards Environmentally Sustainable Gastrointestinal Endoscopy
Ji Hyun Kim, Sung Chul Park
Gut and Liver.2025; 19(1): 1. CrossRef
Measuring Medical Waste from Gastrointestinal Endoscopies in South Korea to Estimate Their Carbon Footprint
Da Hyun Jung, Hyun Jung Lee, Tae Joo Jeon, Young Sin Cho, Bo Ra Kang, Nae Sun Youn, Jae Myung Cha
Gut and Liver.2025; 19(1): 43. CrossRef

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Gastrointestinal endoscopy’s carbon footprint: Su Bee Park, Jae Myung Cha; Clin Endosc 2023;56(3):263-267. Published online March 31, 2023; DOI: https://doi.org/10.5946/ce.2023.003

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Climate change is a global emergency. Consequently, current global targets to combat the climate crisis include reaching net-zero carbon emissions by 2050 and keeping global temperature increases below 1.5 ˚C. In 2014, the healthcare carbon footprint was 5.5% of the total national footprint. Gastrointestinal endoscopy (GIE) has a large carbon footprint compared to other procedures performed in healthcare facilities. GIE was identified as the third largest generator of medical waste in healthcare facilities for the following reasons: (1) GIE is associated with high case volumes, (2) GIE patients and relatives travel frequently, (3) GIE involves the use of many nonrenewable wastes, (4) single-use devices are used during GIE, and (5) GIE is frequently reprocessed. Immediate actions to reduce the environmental impact of GIE include: (1) adhering to guidelines, (2) implementing audit strategies to determine the appropriateness of GIE, (3) avoiding unnecessary procedures, (4) using medication rationally, (4) digitalization, (5) telemedicine, (6) critical pathways, (7) outpatient procedures, (8) adequate waste management, and (9) minimizing single-use devices. In addition, sustainable infrastructure for endoscopy units, using renewable energy, and 3R (reduce, reuse, and recycle) programs are necessary to reduce the impact of GIE on the climate crisis. Consequently, healthcare providers need to work together to achieve a more sustainable future. Therefore, strategies must be implemented to achieve net-zero carbon emissions in the healthcare field, especially from GIE, by 2050.

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Practical steps to green your endoscopy unit: appropriate management of endoscopic waste
Rabia de Latour, Seth D. Crockett, Sonali Palchaudhuri, Kevin S. Skole, Deepak Agrawal, Lyndon V. Hernandez, Daniel von Renteln, Rahul A. Shimpi, James Collins, Heiko Pohl
Gastrointestinal Endoscopy.2025; 101(4): 745. CrossRef
Measuring Medical Waste from Gastrointestinal Endoscopies in South Korea to Estimate Their Carbon Footprint
Da Hyun Jung, Hyun Jung Lee, Tae Joo Jeon, Young Sin Cho, Bo Ra Kang, Nae Sun Youn, Jae Myung Cha
Gut and Liver.2025; 19(1): 43. CrossRef
Towards Environmentally Sustainable Gastrointestinal Endoscopy
Ji Hyun Kim, Sung Chul Park
Gut and Liver.2025; 19(1): 1. CrossRef
Endoscope reprocessing—resource consumption and emissions
Carlotta Crisciotti, Alessandro Fugazza, Maddalena Menini, Spadaccini Marco, Elena Vanni, Alberto Fumagalli, Paolo Oliva, Tommy Rizkala, Cesare Hassan, Serena Giordano, Rosaria Iacovino, Alessandro Repici
Gut.2025; : gutjnl-2024-334457. CrossRef
Using vaporized hydrogen peroxide for anhydrous disinfection of gastrointestinal endoscopes
Can Zhao, Li-Hong Qi, Long-Song Li, Ying-Ying Wang, Ting Liang, Ning-Li Chai
World Journal of Gastroenterology.2025;[Epub] CrossRef
Single‐use accessories and endoscopes in the era of sustainability and climate change—A balancing act
Zaheer Nabi, Raymond S. Y. Tang, Sridhar Sundaram, Sundeep Lakhtakia, D. Nageshwar Reddy
Journal of Gastroenterology and Hepatology.2024; 39(1): 7. CrossRef
Impact of power consumption and power saving for GI endoscopy (power on study) on reducing CO2emissions
Anna Fichtl, Veronika Tacheva, Niklas Sturm, Karim Hamesch, Doerte Wichmann, Benjamin Mayer, Martin Müller, Martin Wagner, Thomas Seufferlein, Benjamin M Walter
Gut.2024; 73(6): 892. CrossRef
Green Endoscopy
Vivek Kaul
American Journal of Gastroenterology.2024; 119(9): 1714. CrossRef
Ecogastroenterology: cultivating sustainable clinical excellence in an environmentally conscious landscape
Kassem Sharif, Enrique Rodriguez de Santiago, Paula David, Arnon Afek, Ian M Gralnek, Shomron Ben-Horin, Adi Lahat
The Lancet Gastroenterology & Hepatology.2024; 9(6): 550. CrossRef
Longitudinal impact of screening colonoscopy on greenhouse gas emissions
Hasiya Yusuf, Vinita Gupta, Ikponmwosa Osaghae, Abhishek Kumar, Alejandro Piscoya
PLOS ONE.2024; 19(7): e0307133. CrossRef
Decarbonizing surgical care: a qualitative systematic review guided by the Congruence Model
Leonard Kloevekorn, Oskar Roemeling, Amal Fakha, Eveline Hage, Edin Smailhodzic
BMC Health Services Research.2024;[Epub] CrossRef
Awareness of green endoscopy is low among healthcare professionals performing gastrointestinal endoscopy
Tae Joo Jeon, Jae Myung Cha
Clinical Endoscopy.2024; 57(6): 836. CrossRef
Colon capsule endoscopy: Can it contribute to green endoscopy?
Konosuke Nakaji
World Journal of Gastrointestinal Endoscopy.2024; 16(12): 627. CrossRef
Can Gastric Juice Analysis with EndoFaster® Reduce the Environmental Impact of Upper Endoscopy?
Angelo Zullo, Federica Chiovelli, Enrica Esposito, Cesare Hassan, Beatrice Casini
Healthcare.2023; 11(24): 3186. CrossRef

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Quality indicators in colonoscopy: the chasm between ideal and reality: Su Bee Park, Jae Myung Cha; Clin Endosc 2022;55(3):332-338. Published online April 4, 2022; DOI: https://doi.org/10.5946/ce.2022.037

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Continuous measurement of quality indicators (QIs) should be a routine part of colonoscopy, as a wide variation still exists in the performance and quality levels of colonoscopy in Korea. Among the many QIs of colonoscopy, the adenoma detection rate, average withdrawal time, bowel preparation adequacy, and cecal intubation rate should be monitored in daily clinical practice to improve the quality of the procedure. The adenoma detection rate is the best indicator of the quality of colonoscopy; however, it has many limitations for universal use in daily practice. With the development of natural language processing, the adenoma detection rate is expected to become more effective and useful. It is important that colonoscopists do not strictly and mechanically maintain an average withdrawal time of 6 minutes but instead perform careful colonoscopy to maximally expose the colonic mucosa with a withdrawal time of at least 6 minutes. To achieve adequate bowel preparation, documentation of bowel preparation with the Boston Bowel Preparation Scale (BBPS) should be a routine part of colonoscopy. When colonoscopists routinely followed the bowel preparation protocols, ≥85% of outpatient screening colonoscopies had a BBPS score of ≥6. In addition, the cecal intubation rate should be ≥95% of all screening colonoscopies. The first step in improving colonoscopy quality in Korea is to apply these key performance measurements in clinical practice.

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Effectiveness of a novel artificial intelligence-assisted colonoscopy system for adenoma detection: a prospective, propensity score-matched, non-randomized controlled study in Korea
Jung-Bin Park, Jung Ho Bae
Clinical Endoscopy.2025; 58(1): 112. CrossRef
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Rocio Sedano, Virginia Solitano, Sudheer K. Vuyyuru, Yuhong Yuan, Jurij Hanžel, Christopher Ma, Olga Maria Nardone, Vipul Jairath
Therapeutic Advances in Gastroenterology.2025;[Epub] CrossRef
Clinical Trial: Effect of Abdominal Vibration Combined With Walking Exercise Programme on Bowel Preparation in Older Patients With Constipation
Yuan‐Yuan Zhang, Ramoo Vimala, Ping Lei Chui, Ida Normiha Hilmi
Alimentary Pharmacology & Therapeutics.2025; 61(9): 1447. CrossRef
What are the priority quality indicators for colonoscopy in real‐world clinical practice?
Kasenee Tiankanon, Satimai Aniwan
Digestive Endoscopy.2024; 36(1): 30. CrossRef
Strategies to improve screening colonoscopy quality for the prevention of colorectal cancer
Joo Hye Song, Eun Ran Kim
The Korean Journal of Internal Medicine.2024; 39(4): 547. CrossRef
Novel regimen for colonoscopy bowel preparation with oral lactulose: a prospective comparative study
Josué Aliaga Ramos, Danilo Carvalho, Vitor N. Arantes
Clinical Endoscopy.2024; 57(6): 775. CrossRef
Bowel Preparation Agents: Balancing Efficacy for Colon Cleansing and Safety for Stomach Safety
Gwang Ha Kim
The Korean Journal of Gastroenterology.2024; 84(6): 293. CrossRef
A Systematic Review of Exercise Therapy for Bowel Preparation
Yuan-Yuan Zhang, Ramoo Vimala, Ping Lei Chui, Ida Normiha Hilmi
Gastroenterology Nursing.2023; 46(5): 393. CrossRef
Detecting colorectal lesions with image-enhanced endoscopy: an updated review from clinical trials
Mizuki Nagai, Sho Suzuki, Yohei Minato, Fumiaki Ishibashi, Kentaro Mochida, Ken Ohata, Tetsuo Morishita
Clinical Endoscopy.2023; 56(5): 553. CrossRef
AI-powered medical devices for practical clinicians including the diagnosis of colorectal polyps
Donghwan Kim, Eunsun Kim
Journal of the Korean Medical Association.2023; 66(11): 658. CrossRef

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Fatal Necrotizing Fasciitis Following Uncomplicated Colonoscopic Polypectomy: A Case Report: Min Kyu Chae, Sang Youn Shin, Min Seob Kwak, Jin Young Yoon, Ha Il Kim, Jae Myung Cha; Clin Endosc 2021;54(2):280-284. Published online December 11, 2020; DOI: https://doi.org/10.5946/ce.2020.117

Abstract PDF PubReader ePub: Necrotizing fasciitis (NF) is a life-threatening infection that can be caused by various procedures or surgery and may develop in healthy elderly patients. Here, we report a case of a 66-year-old man with diabetes mellitus who underwent colonoscopic polypectomy, without complications. However, he visited the emergency department 24 hours after the procedure complaining of abdominal pain. Abdominopelvic computed tomography revealed multiple air bubbles in the right lateral abdominal muscles. After a diagnosis of NF was made, immediate surgical debridement was performed. However, despite three sessions of extensive surgical debridement and best supportive care at the intensive care unit, the patient died because of sepsis and NF-associated multiple-organ failure. In conclusion, physicians should pay special attention to the possibility of NF if a patient with risk factors for NF develops sepsis after colonoscopic polypectomy.

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Revision of Quality Indicators for the Endoscopy Quality Improvement Program of the National Cancer Screening Program in Korea: Jun Ki Min, Jae Myung Cha, Yu Kyung Cho, Jie-Hyun Kim, Soon Man Yoon, Jong Pil Im, Yunho Jung, Jeong Seop Moon, Jin-Oh Kim, Yoon Tae Jeen; Clin Endosc 2018;51(3):239-252. Published online May 31, 2018; DOI: https://doi.org/10.5946/ce.2018.075

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Gastroscopy and colonoscopy are widely used for the early diagnosis of stomach and colorectal cancer. The present revision integrates recent data regarding previous quality indicators and novel indicators suggested for gastroscopy and colonoscopy procedures for the National Cancer Screening Program in Korea. The new indicators, developed by the Quality Improvement Committee of the Korean Society for Gastrointestinal Endoscopy, vary in the level of supporting evidence, and most are based solely on expert opinion. Updated indicators validated by clinical research were prioritized, but were chosen by expert consensus when such studies were absent. The resultant quality indicators were graded according to the levels of consensus and recommendations. The updated indicators will provide a relevant guideline for high-quality endoscopy. The future direction of quality indicator development should include relevant outcome measures and an evidence-based approach to support proposed performance targets.

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GastroHUN an Endoscopy Dataset of Complete Systematic Screening Protocol for the Stomach
Diego Bravo, Juan Frias, Felipe Vera, Juan Trejos, Carlos Martínez, Martín Gómez, Fabio González, Eduardo Romero
Scientific Data.2025;[Epub] CrossRef
Association of Intensive Endoscopic Burden with Esophageal Cancer Detection: A Nationwide Cohort Study
Yeunji Lee, Eunyoung Lee, Bumhee Park, Gil Ho Lee, Sun Gyo Lim, Sung Jae Shin, Choong-Kyun Noh, Kee Myung Lee
Gut and Liver.2025; 19(1): 59. CrossRef
Current status of quality control in screening esophagogastroduodenoscopy and the emerging role of artificial intelligence
Lihui Zhang, Liwen Yao, Zihua Lu, Honggang Yu
Digestive Endoscopy.2024; 36(1): 5. CrossRef
Performance of the National Cancer Screening Program for Gastric Cancer in Korea
Young-Il Kim
The Korean Journal of Helicobacter and Upper Gastrointestinal Research.2024; 24(3): 231. CrossRef
Association between Endoscopist Volume and Interval Cancers after Colonoscopy: Results from the National Colorectal Cancer Screening Program in Korea
Dong Jun Kim, Nan-He Yoon, Jae Kwan Jun, Mina Suh, Sunhwa Lee, Seongju Kim, Ji Eun Kim, Hooyeon Lee
Cancer Research and Treatment.2024; 56(4): 1164. CrossRef
Interval Advanced Gastric Cancer After Negative Endoscopy
Tae Jun Kim, Jeung Hui Pyo, Young Hye Byun, Sung Chul Choi, Jin Pyo Hong, Yang Won Min, Hyuk Lee, Byung-Hoon Min, Poong-Lyul Rhee, Jae J. Kim, Jun Haeng Lee
Clinical Gastroenterology and Hepatology.2023; 21(5): 1205. CrossRef
Simulator-based training method in gastrointestinal endoscopy training and currently available simulators
Yuri Kim, Jeong Hoon Lee, Gin Hyug Lee, Ga Hee Kim, Gunn Huh, Seung Wook Hong, Hwoon-Yong Jung
Clinical Endoscopy.2023; 56(1): 1. CrossRef
Korean Guidelines for Postpolypectomy Colonoscopic Surveillance: 2022 revised edition
Su Young Kim, Min Seob Kwak, Soon Man Yoon, Yunho Jung, Jong Wook Kim, Sun-Jin Boo, Eun Hye Oh, Seong Ran Jeon, Seung-Joo Nam, Seon-Young Park, Soo-Kyung Park, Jaeyoung Chun, Dong Hoon Baek, Mi-Young Choi, Suyeon Park, Jeong-Sik Byeon, Hyung Kil Kim, Joo
Intestinal Research.2023; 21(1): 20. CrossRef
Quality indicators in the endoscopic detection of gastric cancer
Vikneswaran Namasivayam, Noriya Uedo
DEN Open.2023;[Epub] CrossRef
The Influence of Face Shields on the Quality of Colonoscopy in the Era of the COVID-19 Pandemic
Jin Wook Lee, Hyo Jeong Lee, Dae Sung Kim, Jiyoung Yoon, Seung Wook Hong, Ha Won Hwang, Jong-Soo Lee, Gwang-Un Kim, Sinwon Lee, Jaewon Choe, Jin Hwa Park, Dong-Hoon Yang, Jeong-Sik Byeon
Gut and Liver.2022; 16(3): 404. CrossRef
Quality indicators in esophagogastroduodenoscopy
Sang Yoon Kim, Jae Myung Park
Clinical Endoscopy.2022; 55(3): 319. CrossRef
Utilization and quality assessment of digestive endoscopy in China: results from 5-year consecutive nationwide surveys
Lei Xin, Ye Gao, Zhiyuan Cheng, Tianjiao Wang, Han Lin, Yanan Pang, Chang Sun, Zengjun Fu, Zhaoshen Li, Xudong Ma, Luowei Wang
Chinese Medical Journal.2022;[Epub] CrossRef
Reduced detection rate of artificial intelligence in images obtained from untrained endoscope models and improvement using domain adaptation algorithm
Junseok Park, Youngbae Hwang, Hyun Gun Kim, Joon Seong Lee, Jin-Oh Kim, Tae Hee Lee, Seong Ran Jeon, Su Jin Hong, Bong Min Ko, Seokmin Kim
Frontiers in Medicine.2022;[Epub] CrossRef
A scoping review on population-centered indicators for cancer care continuum
Vasuki Rajaguru, Jieun Jang, Jeoung A. Kwon, Jae Hyun Kim, Jaeyong Shin, Mison Chun
Frontiers in Public Health.2022;[Epub] CrossRef
Korean Guidelines for Postpolypectomy Colonoscopic Surveillance: 2022 Revised Edition
Su Young Kim, Min Seob Kwak, Soon Man Yoon, Yunho Jung, Jong Wook Kim, Sun-Jin Boo, Eun Hye Oh, Seong Ran Jeon, Seung-Joo Nam, Seon-Young Park, Soo-Kyung Park, Jaeyoung Chun, Dong Hoon Baek, Mi-Young Choi, Suyeon Park, Jeong-Sik Byeon, Hyung Kil Kim, Joo
The Korean Journal of Gastroenterology.2022; 80(3): 115. CrossRef
Antispasmodic Agent Administration Improves Gastric Neoplasm Detection Rates during Esophagogastroduodenoscopy
Sang Yoon Kim, Jae Myung Park
The Korean Journal of Helicobacter and Upper Gastrointestinal Research.2022; 22(3): 246. CrossRef
Korean guidelines for postpolypectomy colonoscopic surveillance: 2022 revised edition
Su Young Kim, Min Seob Kwak, Soon Man Yoon, Yunho Jung, Jong Wook Kim, Sun-Jin Boo, Eun Hye Oh, Seong Ran Jeon, Seung-Joo Nam, Seon-Young Park, Soo-Kyung Park, Jaeyoung Chun, Dong Hoon Baek, Mi-Young Choi, Suyeon Park, Jeong-Sik Byeon, Hyung Kil Kim, Joo
Clinical Endoscopy.2022; 55(6): 703. CrossRef
Current Endoscopy Training in Korea and Future Aspects
Young-Eun Joo
The Korean Journal of Gastroenterology.2022; 80(5): 207. CrossRef
Colonoscopy quality in community hospitals and nonhospital facilities in Korea
Jae Gon Lee, Dong Soo Han, Young-Eun Joo, Dae-Seong Myung, Dong Il Park, Seul Ki Kim, Yunho Jung, Won Hyun Lee, Eun Soo Kim, Joon Seok Yoon, Chang Soo Eun
The Korean Journal of Internal Medicine.2021; 36(Suppl 1): S35. CrossRef
Association of Regular Endoscopic Screening with Interval Gastric Cancer Incidence in the National Cancer Screening Program
Choong-Kyun Noh, Eunyoung Lee, Gil Ho Lee, Sun Gyo Lim, Bumhee Park, Sung Jae Shin, Jae Youn Cheong, Kee Myung Lee
Journal of Clinical Medicine.2021; 11(1): 230. CrossRef
Impacts of age and sedation on cardiocerebrovascular adverse events after diagnostic GI endoscopy: a nationwide population-based study
Sang Yoon Kim, Chang Mo Moon, Min Ho Kim, Seong-Eun Kim, Hye-Kyung Jung, Ki-Nam Shim, Sung-Ae Jung
Gastrointestinal Endoscopy.2020; 92(3): 591. CrossRef
Efficacy and Patient Tolerability Profiles of Probiotic Solution with Bisacodyl Versus Conventional Cleansing Solution for Bowel Preparation: A Prospective, Randomized, Controlled Trial
Youn I Choi, Jong-Joon Lee, Jun-Won Chung, Kyoung Oh Kim, Yoon Jae Kim, Jung Ho Kim, Dong Kyun Park, Kwang An Kwon
Journal of Clinical Medicine.2020; 9(10): 3286. CrossRef
Endoscopy training in Korea
Joon Sung Kim, Byung-Wook Kim
The Korean Journal of Internal Medicine.2019; 34(2): 237. CrossRef
Updates on the Facilities, Procedures, and Performance of the Accredited Endoscopy Unit
Tae Hee Lee, Jin Young Yoon, Chang Nyol Paik, Hyuk Soon Choi, Jae-Young Jang
Clinical Endoscopy.2019; 52(5): 431. CrossRef
Quality Indicators and Outcome Measures of Endoscopy in the National Cancer Screening Program
Jun Ki Min, Jae Myung Cha, Min Seob Kwak, Jin Young Yoon, Yunho Jung, Jeong Eun Shin, Hyo-Joon Yang
Yonsei Medical Journal.2019; 60(11): 1054. CrossRef

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Quality is the Key for Emerging Issues of Population-Based Colonoscopy Screening: Jin Young Yoon, Jae Myung Cha, Yoon Tae Jeen, on behalf of Medical Policy Committee of Korean Association for the Study of Intestinal Diseases (KASID), Quality Improvement Committee of Korean Society of Gastrointestinal Endoscopy (KSGE); Clin Endosc 2018;51(1):50-55. Published online January 31, 2018; DOI: https://doi.org/10.5946/ce.2018.010

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Colonoscopy is currently regarded as the gold standard and preferred method of screening for colorectal cancer (CRC). However, the benefit of colonoscopy screening may be blunted by low participation rates in population-based screening programs. Harmful effects of population-based colonoscopy screening may include complications induced by colonoscopy itself and by sedation, psychosocial distress, potential over-diagnosis, and socioeconomic burden. In addition, harmful effects of colonoscopy may increase with age and comorbidities. As the risk of adverse events in population-based colonoscopy screening may offset the benefit, the adverse events should be managed and monitored. To adopt population-based colonoscopy screening, consensus on the risks and benefits should be developed, focusing on potential harm, patient preference, socioeconomic considerations, and quality improvement of colonoscopy, as well as efficacy for CRC prevention. As suboptimal colonoscopy quality is a major pitfall of population-based screening, adequate training and regulation of screening colonoscopists should be the first step in minimizing variations in quality. Gastroenterologists should promote quality improvement, auditing, and training for colonoscopy in a population-based screening program.

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Explaining the Correlates of the Multi-Theory Model (MTM) of Health Behavior Change in Visual (Structural) Colorectal Cancer Screening Examinations
Asma T. Awan, Timothy J. Grigsby, Christopher Johansen, Chia-Liang Dai, Manoj Sharma
International Journal of Environmental Research and Public Health.2025; 22(1): 98. CrossRef
Strategies to improve screening colonoscopy quality for the prevention of colorectal cancer
Joo Hye Song, Eun Ran Kim
The Korean Journal of Internal Medicine.2024; 39(4): 547. CrossRef
Association between Endoscopist Volume and Interval Cancers after Colonoscopy: Results from the National Colorectal Cancer Screening Program in Korea
Dong Jun Kim, Nan-He Yoon, Jae Kwan Jun, Mina Suh, Sunhwa Lee, Seongju Kim, Ji Eun Kim, Hooyeon Lee
Cancer Research and Treatment.2024; 56(4): 1164. CrossRef
The Influence of Face Shields on the Quality of Colonoscopy in the Era of the COVID-19 Pandemic
Jin Wook Lee, Hyo Jeong Lee, Dae Sung Kim, Jiyoung Yoon, Seung Wook Hong, Ha Won Hwang, Jong-Soo Lee, Gwang-Un Kim, Sinwon Lee, Jaewon Choe, Jin Hwa Park, Dong-Hoon Yang, Jeong-Sik Byeon
Gut and Liver.2022; 16(3): 404. CrossRef
Optimal Timing of Simethicone Supplement for Bowel Preparation: A Prospective Randomized Controlled Trial
Zhen-wen Wu, Sheng-gang Zhan, Mei-feng Yang, Yi-teng Meng, Feng Xiong, Cheng Wei, Ying-xue Li, Ding-guo Zhang, Zheng-lei Xu, Ben-hua Wu, Rui-yue Shi, Jun Yao, Li-sheng Wang, De-feng Li, Cyriac Abby Philips
Canadian Journal of Gastroenterology and Hepatology.2021; 2021: 1. CrossRef
Efficacy and Patient Tolerability Profiles of Probiotic Solution with Bisacodyl Versus Conventional Cleansing Solution for Bowel Preparation: A Prospective, Randomized, Controlled Trial
Youn I Choi, Jong-Joon Lee, Jun-Won Chung, Kyoung Oh Kim, Yoon Jae Kim, Jung Ho Kim, Dong Kyun Park, Kwang An Kwon
Journal of Clinical Medicine.2020; 9(10): 3286. CrossRef

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Feedback Survey of the Effect, Burden, and Cost of the National Endoscopic Quality Assessment Program during the Past 5 Years in Korea: Yu Kyung Cho, Jeong Seop Moon, Dong Su Han, Yong Chan Lee, Yeol Kim, Bo Young Park, Il-Kwun Chung, Jin-Oh Kim, Jong Pil Im, Jae Myung Cha, Hyun Gun Kim, Sang Kil Lee, Hang Lak Lee, Jae Young Jang, Eun Sun Kim, Yunho Jung, Chang Mo Moon, Ethics and Quality Control Committee of Korean Society of Gastrointestinal Endoscopy; Clin Endosc 2016;49(6):542-547. Published online March 2, 2016; DOI: https://doi.org/10.5946/ce.2015.113

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Background
/Aims: In Korea, the nationwide gastric cancer screening program recommends biennial screening for individuals aged 40 years or older by way of either an upper gastrointestinal series or endoscopy. The national endoscopic quality assessment (QA) program began recommending endoscopy in medical institutions in 2009. We aimed to assess the effect, burden, and cost of the QA program from the viewpoint of medical institutions.
Methods
We surveyed the staff of institutional endoscopic units via e-mail.
Results
Staff members from 67 institutions replied. Most doctors were endoscopic specialists. They responded as to whether the QA program raised awareness for endoscopic quality (93%) or improved endoscopic practice (40%). The percentages of responders who reported improvements in the diagnosis of gastric cancer, the qualifications of endoscopists, the quality of facilities and equipment, endoscopic procedure, and endoscopic reprocessing were 69%, 60%, 66%, 82%, and 75%, respectively. Regarding reprocessing, many staff members reported that they had bought new automated endoscopic preprocessors (3%), used more disinfectants (34%), washed endoscopes longer (28%), reduced the number of endoscopies performed to adhere to reprocessing guidelines (9%), and created their own quality education programs (59%). Many responders said they felt that QA was associated with some degree of burden (48%), especially financial burden caused by purchasing new equipment. Reasonable quality standards (45%) and incentives (38%) were considered important to the success of the QA program.
Conclusions
Endoscopic quality has improved after 5 years of the mandatory endoscopic QA program.

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Monthly endoscopy surveillance culture facilitates detection of breaches in the scope reprocessing procedure: 5‐year experience in an endoscopy center
Shu‐Hui Chen, Theophile Liu, Huei‐Wen Lai, Hui‐Lan Chang, Hsu‐Heng Yen
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Polyp missing rate and its associated risk factors of referring hospitals for endoscopic resection of advanced colorectal neoplasia
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Education and Training Guidelines for the Board of the Korean Society of Gastrointestinal Endoscopy
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How Can We Propagate the National Endoscopy Quality Improvement Program and Improve the Quality of Endoscopic Screening?
Dong-Hoon Yang
Gut and Liver.2016; 10(5): 657. CrossRef
The Importance of an Endoscopic Quality Assessment Program Reflecting Real Practice
In Kyung Yoo, Yoon Tae Jeen
Clinical Endoscopy.2016; 49(6): 495. CrossRef

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Can We Measure the Learning Curve of Colonoscopy Using Polyp Detection Rate?: Jin Young Yoon, Jae Myung Cha; Clin Endosc 2016;49(1):6-7. Published online January 28, 2016; DOI: https://doi.org/10.5946/ce.2016.49.1.6

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Gabrielle E. Koh, Brittany Ng, Ronja M.B. Lagström, Fung-Joon Foo, Shuen-Ern Chin, Fang-Ting Wan, Juinn Huar Kam, Baldwin Yeung, Clarence Kwan, Cesare Hassan, Ismail Gögenur, Frederick H. Koh
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Real-time artificial intelligence (AI)-aided endoscopy improves adenoma detection rates even in experienced endoscopists: a cohort study in Singapore
Frederick H. Koh, Jasmine Ladlad, Fung-Joon Foo, Winson J. Tan, Sharmini S. Sivarajah, Leonard M. L. Ho, Jia-Lin Ng, Frederick H. Koh, Cheryl Chong, Darius Aw, Juinn-Haur Kam, Alvin Y. H. Tan, Choon-Chieh Tan, Baldwin P. M. Yeung, Wai-Keong Wong, Bin-Chet
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Sarah Tham, Frederick H. Koh, Jasmine Ladlad, Koy-Min Chue, Cui-Li Lin, Eng-Kiong Teo, Fung-Joon Foo
Annals of Coloproctology.2023; 39(5): 385. CrossRef
Is Tissue Really the Issue? How the Polyp Detection Rate May Be a Good Enough Quality Measure Among Trainees
Anthony J. Choi, SriHari Mahadev
Digestive Diseases and Sciences.2020; 65(8): 2151. CrossRef
Comparison of efficacy of colonoscopy between the morning and afternoon: A systematic review and meta-analysis
Junqi Wu, Sheng-Bing Zhao, Shu-Ling Wang, Jun Fang, Tian Xia, Xiao-Ju Su, Can Xu, Zhao-Shen Li, Yu Bai
Digestive and Liver Disease.2018; 50(7): 661. CrossRef

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A Case of Biliary Cast Developed in a Patient with Long-Standing Biliary Sludge: Ja Won Koo, Na Eun Jang, Hong Joo Lee, Kwang Ro Joo, Jae Myung Cha, Hyun Phil Shin, Joung Il Lee, Sung-Jig Lim; Clin Endosc 2013;46(1):98-101. Published online January 31, 2013; DOI: https://doi.org/10.5946/ce.2013.46.1.98

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Development of biliary casts is very unusual, especially in patients who have not undergone liver transplantation. Variable causes of biliary cast formation in nonliver transplantation patients have been suggested. However, stasis of bile flow and/or gallbladder hypocontractility is known to eventually result in the promotion of biliary sludge and subsequent cast formation. Here we present one case of biliary cast syndrome, which developed in a nonliver transplant patient who had biliary sludge for a long period of time, providing evidence that long-standing biliary sludge may lead to cast formation.

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Intensive Care Unit–Related Cholangiopathy-Induced Biliary Cast Syndrome Without Liver Transplantation: A Rare Entity
Fnu Vikash, Sindhu Vikash, Sammy Ho, Donald Kotler, Sunny Patel
ACG Case Reports Journal.2024; 11(2): e01269. CrossRef
A Case of Biliary Cast Syndrome with Cholangiocarcinoma-like Lesion in a Patient with No History of Liver Transplantation
Sa-Hong Jo, Ho-Cheol Choi, Sung-Eun Park, Jin-Il Moon, Jung-Ho Won, Jae-Boem Na, Yang-Won Kim, Won-Jeong Yang, Byeong-Ju Koo, Jae-Kyeong Ahn, Seong-Je Kim
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Biliary Cast Syndrome in an Opium Inhaler
Reza Dabiri, Hamid Asadzadeh Aghdae, Hasan Rajabalinia, Amir Houshang Mohammad Alizadeh
Case Reports in Gastroenterology.2013; 7(3): 376. CrossRef

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Retroperitoneal Synovial Sarcoma Manifested by Obstructive Jaundice in an Elderly Woman: Case Report: Dae Ho Kim, Kwang Ro Joo, Jae Myung Cha, Hyun Phil Shin, Joung Il Lee, Jae Jun Park, Hyun Soo Kim, Dal Mo Yang; Clin Endosc 2012;45(4):428-430. Published online November 30, 2012; DOI: https://doi.org/10.5946/ce.2012.45.4.428

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Synovial sarcoma is a rare type of soft tissue sarcoma that arises in tissues containing synovial fluid, usually in the extremities. It has only rare occurrence in the retroperitoneal space. Early detection of retroperitoneal synovial sarcoma is difficult, since the retroperitoneal space is highly expandable and deeply hidden. Furthermore, the presenting symptoms are often vague and nonspecific, and are related to the pressure on adjacent structures. In this study, we present an unusual case of retroperitoneal synovial sarcoma with obstructive jaundice due to intrabiliary blood clots caused by invasion of bile duct by tumor. The obstructive jaundice was relieved through endoscopic removal of the blood clots and insertion of a biliary stent.

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Management of primary retroperitoneal synovial sarcoma: A case report and review of literature
Aikaterini Mastoraki, Dimitrios Schizas, Ioannis S Papanikolaou, George Bagias, Nikolaos Machairas, George Agrogiannis, Theodore Liakakos, Nikolaos Arkadopoulos
World Journal of Gastrointestinal Surgery.2019; 11(1): 27. CrossRef
Intrapelvic Retroperitoneal Synovial Sarcoma in a 15-Year-Old Adolescent Girl: A Case Report and Review of the Literature
Stan A. Bessems, Maarten van Heinsbergen, Paul H. Nijhuis, Kees C.P. van de Ven, Frits Aarts
Journal of Pediatric Hematology/Oncology.2019; 41(8): 627. CrossRef
Primary Monophasic Synovial Sarcoma of the Liver in a 13-Year-Old Boy
Bo Xiong, Min Chen, Feng Ye, Zhuxue Zhang, Lijuan Yin, Huifen Huang, Huijiao Chen, Hongying Zhang
Pediatric and Developmental Pathology.2013; 16(5): 353. CrossRef

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