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23 "Jae Myung Cha"
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Original Article
Colorectal neoplasia
The elderly population are more vulnerable for the management of colorectal cancer during the COVID-19 pandemic: a nationwide, population-based study
Hong Sun Kang, Seung Hoon Jeon, Su Bee Park, Jin Young Youn, Min Seob Kwak, Jae Myung Cha
Intest Res 2023;21(4):500-509.   Published online August 29, 2023
DOI: https://doi.org/10.5217/ir.2023.00004
AbstractAbstract PDFSupplementary MaterialPubReaderePub
Background/Aims
The impact of coronavirus disease 2019 (COVID-19) on the management of colorectal cancer (CRC) may worse in elderly population, as almost all COVID-19 deaths occurred in the elderly patients. This study aimed to evaluate the impact of COVID-19 on CRC management in the elderly population.
Methods
The numbers of patients who underwent colonoscopy, who visited hospitals or operated for CRC in 2020 and 2021 (COVID-19 era) were compared with those in 2019, according to 3 age groups (≥70 years, 50–69 years, and ≤49 years), based on the nationwide, population-based database (2019–2021) in South Korea.
Results
The annual volumes of colonoscopy and hospital visits for CRC in 2020 were more significantly declined in the old age group than in the young age group (both P<0.001). In addition, the annual volume of patients operated for CRC numerically more declined in old age group than in young age group. During the first surge of COVID-19 (March and April 2020), old age patients showed statistically significant declines for the monthly number of colonoscopies (–46.5% vs. –39.3%, P<0.001), hospital visits (–15.4% vs. –7.9%, P<0.001), CRC operations (–33.8% vs. –0.7%, P<0.05), and colonoscopic polypectomies (–41.8% vs. –38.0%, P<0.001) than young age patients, compared with those of same months in 2019.
Conclusions
Elderly population are more vulnerable for the management of CRC during the COVID-19 pandemic. Therefore, the elderly population are more carefully cared for in the management of CRC during the next pandemic.

Citations

Citations to this article as recorded by  
  • To overcome medical gap in screening and surveillance of colorectal cancer during the COVID-19 pandemic
    Yoo Min Han
    Intestinal Research.2023; 21(4): 418.     CrossRef
  • 1,986 View
  • 192 Download
  • 1 Web of Science
  • 1 Crossref
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Editorial
Inflammatory bowel diseases
Complementary and alternative medicine in patients with inflammatory bowel disease: hype or evidence?
Jae Myung Cha
Intest Res 2020;18(2):141-143.   Published online April 20, 2020
DOI: https://doi.org/10.5217/ir.2020.00022
PDFPubReaderePub

Citations

Citations to this article as recorded by  
  • Comprehensive study on the administrative, economic, regional, and regulatory prospects of complementary and alternative medicine (CAM) in inflammatory bowel disease (IBD)
    Taraneh Mousavi, Shekoufeh Nikfar, Mohammad Abdollahi
    Expert Review of Clinical Pharmacology.2021; 14(7): 865.     CrossRef
  • 4,536 View
  • 116 Download
  • 1 Web of Science
  • 1 Crossref
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Original Article
Endoscopy
The current capacity and quality of colonoscopy in Korea
Jae Ho Choi, Jae Myung Cha, Jin Young Yoon, Min Seob Kwak, Jung Won Jeon, Hyun Phil Shin
Intest Res 2019;17(1):119-126.   Published online October 10, 2018
DOI: https://doi.org/10.5217/ir.2018.00060
AbstractAbstract PDFPubReaderePub
Background/Aims
Little is known for the capacity and quality of colonoscopy, and adherence to colonoscopy surveillance guidelines in Korea. This study aimed to investigate the present and potential colonoscopic capacity, colonoscopic quality, and adherence to colonoscopy surveillance guidelines in Korea.
Methods
We surveyed representative endoscopists of 72 endoscopy units from June to August 2015, using a 36-item questionnaire regarding colonoscopic capacity, quality, and adherence to colonoscopy surveillance guidelines of each hospitals.
Results
Among the 62 respondents who answered the questionnaire, 51 respondents were analyzed after exclusion of 11 incomplete answers. Only 1 of 3 of endoscopy units can afford to perform additional colonoscopies in addition to current practice, and the potential maximum number of colonoscopies per week was only 42. The quality of colonoscopy was variable as reporting of quality indicators of colonoscopy were considerably variable (29.4%–94.1%) between endoscopy units. Furthermore, there are substantial gaps in the adherence to colonoscopy surveillance guidelines, as concordance rate for guideline recommendation was less than 50% in most scenarios.
Conclusions
The potential capacity and quality of colonoscopy in Korea was suboptimal. Considering suboptimal reporting of colonoscopic quality indicators and low adherence rate for colonoscopy surveillance guidelines, quality improvement of colonoscopy should be underlined in Korea.

Citations

Citations to this article as recorded by  
  • Trends in colorectal cancer incidence according to an increase in the number of colonoscopy cases in Korea
    Ga Hee Kim, Yeong Chan Lee, Tae Jun Kim, Sung Noh Hong, Dong Kyung Chang, Young-Ho Kim, Dong-Hoon Yang, Chang Mo Moon, Kyunga Kim, Hyun Gun Kim, Eun-Ran Kim
    World Journal of Gastrointestinal Oncology.2024; 16(1): 51.     CrossRef
  • Factors Affecting Adherence to National Colorectal Cancer Screening: A 12-Year Longitudinal Study Using Multi-Institutional Pooled Data in Korea
    Dae Sung Kim, Jeeyoung Hong, Kihyun Ryu, Sang Hyuk Lee, Hwanhyi Cho, Jehyeong Yu, Jieun Lee, Jong-Yeup Kim
    Journal of Korean Medical Science.2024;[Epub]     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
  • Faecal immunochemical tests can improve colonoscopy triage in patients with iron deficiency: A systematic review and meta-analysis
    Jennifer Pham, Geraldine Laven-Law, Erin L. Symonds, Molla M. Wassie, Charles Cock, Jean M. Winter
    Critical Reviews in Oncology/Hematology.2024; 201: 104439.     CrossRef
  • Comparison of Synergistic Sedation with Midazolam and Propofol Versus Midazolam and Pethidine in Colonoscopies: A Prospective, Randomized Controlled Study
    Jae Woong Lim, Min Jae Kim, Gang Han Lee, Dae Sol Kim, Sang Hyuk Jung, Yu Yeon Kim, Jin Won Kim, Yohan Lee, Hyun Soo Kim, Seon Young Park, Dong Hyun Kim
    Chonnam Medical Journal.2024; 60(3): 192.     CrossRef
  • Overview of the National Cancer Screening Program for Colorectal Cancer in Korea over 14 Years (2004-2017)
    Bomi Park, Eun Young Her, Kyeongmin Lee, Fatima Nari, Jae Kwan Jun, Kui Son Choi, Mina Suh
    Cancer Research and Treatment.2023; 55(3): 910.     CrossRef
  • Sessile serrated lesions in patients with adenoma on index colonoscopy do not increase metachronous advanced adenoma risk
    Seung Wook Hong, Jeongseok Kim, Ji Young Lee, Jong‐Soo Lee, Hye‐Sook Chang, Hye Won Park, Gwang‐Un Kim, Jiyoung Yoon, Byong Duk Ye, Jeong‐Sik Byeon, Seung‐Jae Myung, Suk‐Kyun Yang, Jaewon Choe, Dong‐Hoon Yang
    Digestive Endoscopy.2022; 34(4): 850.     CrossRef
  • Efficacy and safety of split-dose bowel preparation with 1 L polyethylene glycol and ascorbate compared with 2 L polyethylene glycol and ascorbate in a Korean population: a phase IV, multicenter, randomized, endoscopist-blinded study
    Sung Noh Hong, Chang Kyun Lee, Jong Pil Im, Chang Hwan Choi, Jeong-Sik Byeon, Young-Seok Cho, Sung-Ae Jung, Tae Il Kim, Yoon Tae Jeen
    Gastrointestinal Endoscopy.2022; 95(3): 500.     CrossRef
  • Effect of colorectal cancer screening on long‐term survival of colorectal cancer patients: Results of the Korea National Cancer Screening Program
    Xuan Quy Luu, Kyeongmin Lee, Jae Kwan Jun, Mina Suh, Kyu‐Won Jung, Kui Son Choi
    International Journal of Cancer.2022; 150(12): 1958.     CrossRef
  • A Study on Differences between Professional Endoscopists and Gastroenterologists in Endoscopic Detection and Standard Pathological Biopsy of Inflammatory Bowel Diseases
    Dong Yang, Yuqin Li, Haibo Sun, Chuan He, Geng Chen, Zhuo Zhao, Tongyu Tang, Amosy M'Koma
    Gastroenterology Research and Practice.2022; 2022: 1.     CrossRef
  • Risk of Metachronous Colorectal Advanced Neoplasia and Cancer in Patients With 3–4 Nonadvanced Adenomas at Index Colonoscopy: A Systematic Review and Meta-Analysis
    Suyeon Park, Seong Ran Jeon, Hyun Gun Kim, Yunho Jung, Min-Seob Kwak, Su Young Kim, Jong Wook Kim, Seung-Joo Nam, Eun Hye Oh, Seon-Young Park, Soo-Kyung Park, Jeong-Sik Byeon, Sun-Jin Boo, Dong Hoon Baek, Soon Man Yoon, Jaeyoung Chun, Jooyoung Lee, Miyoun
    American Journal of Gastroenterology.2022; 117(4): 588.     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 colonoscopy: the chasm between ideal and reality
    Su Bee Park, Jae Myung Cha
    Clinical Endoscopy.2022; 55(3): 332.     CrossRef
  • Intentions to undergo primary screening with colonoscopy under the National Cancer Screening Program in Korea
    Kyeongmin Lee, Haejoo Seo, Sunho Choe, Seung-Yong Jeong, Ji Won Park, Mina Suh, Aesun Shin, Kui Son Choi, Filipe Prazeres
    PLOS ONE.2021; 16(2): e0247252.     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
  • Real-World National Colonoscopy Volume in Korea: A Nationwide Population-Based Study over 12 Years
    Jae Myung Cha, Min Seob Kwak, Hyun-Soo Kim, Su Young Kim, Sohee Park, Geun U Park, Jung Kuk Lee, Soo Jin Kim, Hun Hee Lee, Joo Sung Kim, Won Ho Kim
    Gut and Liver.2020; 14(3): 338.     CrossRef
  • 12,441 View
  • 169 Download
  • 15 Web of Science
  • 16 Crossref
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Review
Endoscopy
Quality is the key for emerging issues of population-based colonoscopy screening
Jin Young Yoon, Jae Myung Cha, Yoon Tae Jeen
Intest Res 2018;16(1):48-54.   Published online January 18, 2018
DOI: https://doi.org/10.5217/ir.2018.16.1.48
AbstractAbstract PDFPubReaderePub

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.

Citations

Citations to this article as recorded by  
  • Evaluation of the “Burgenland PREvention trial of colorectal cancer Disease with ImmunologiCal Testing” (B-PREDICT)—a population-based colorectal cancer screening program
    Stefanie BREZINA, Gernot LEEB, Andreas BAIERL, Evelyn GRÄF, Monika HACKL, Philipp HOFER, Harald LANG, Michaela KLEIN, Karl MACH, Remy SCHWARZER, Wilhelm WLASSITS, Andreas PÜSPÖK, Andrea GSUR
    BMC Gastroenterology.2024;[Epub]     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
  • The adult large bowel: describing environment morphology for effective biomedical device development
    Joseph C Norton, James W Martin, Conchubhair Winters, Bruno Scaglioni, Keith L Obstein, Venkataraman Subramanian, Pietro Valdastri
    Progress in Biomedical Engineering.2024; 6(3): 032003.     CrossRef
  • Efficacy of colonoscopic re-examination across the entire colon: a randomized controlled trial
    Dong Seok Lee, Jeong-Seon Ji, Tae-Geun Gweon, Myeongsook Seo, Hwang Choi
    Surgical Endoscopy.2024;[Epub]     CrossRef
  • Comment on " Positive fecal immunochemical test results are associated with non-colorectal cancer mortality"
    Yong Eun Park
    The Korean Journal of Internal Medicine.2023; 38(2): 264.     CrossRef
  • Challenges and Suggestions in the Management of Stomach and Colorectal Cancer in Uzbekistan: The Third Report of the Uzbekistan–Korea Oncology Consortium
    Chai Hong Rim, Won Jae Lee, Odiljon Akhmedov, Ulugbek Sabirov, Yakov Ten, Yakhyo Ziyayev, Mirzagaleb Tillyashaykhov, Jae Suk Rim
    International Journal of Environmental Research and Public Health.2023; 20(8): 5477.     CrossRef
  • Gastrointestinal cancer prevention policies: A qualitative systematic review and meta-synthesis
    Neda Kabiri, Rahim Khodayari-zarnaq, Manouchehr Khoshbaten, Ali Janati
    International Journal of Preventive Medicine.2022; 13(1): 8.     CrossRef
  • Quality indicators in colonoscopy: the chasm between ideal and reality
    Su Bee Park, Jae Myung Cha
    Clinical Endoscopy.2022; 55(3): 332.     CrossRef
  • Effect of prophylactic clip application for the prevention of postpolypectomy bleeding of large pedunculated colonic polyps: a randomized controlled trial
    Tae-Geun Gweon, Kang-Moon Lee, Seung-Woo Lee, Dae Bum Kim, Jeong-Seon Ji, Ji Min Lee, Woo Chul Chung, Chang-Nyol Paik, Hwang Choi
    Gastrointestinal Endoscopy.2021; 94(1): 148.     CrossRef
  • Comparison of adenoma detection by colonoscopy between polypectomy performed during both insertion and withdrawal versus during withdrawal only: a multicenter, randomized, controlled trial
    Tae-Geun Gweon, Seung-Woo Lee, Jeong-Seon Ji, Jeong Rok Lee, Joon Sung Kim, Byung-Wook Kim, Hwang Choi
    Surgical Endoscopy.2020; 34(12): 5461.     CrossRef
  • Strategies to Increase the Participation Rate of Colorectal Cancer Screening
    Yoon Suk Jung
    Gut and Liver.2020; 14(3): 277.     CrossRef
  • UEG Week 2018 Poster Presentations

    United European Gastroenterology Journal.2018;[Epub]     CrossRef
  • 5,934 View
  • 65 Download
  • 10 Web of Science
  • 12 Crossref
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Original Articles
High C-reactive protein level is associated with high-risk adenoma
Hyae Min Lee, Jae Myung Cha, Jung Lok Lee, Jung Won Jeon, Hyun Phil Shin, Kwang Ro Joo, Jin Young Yoon, Joung Il Lee
Intest Res 2017;15(4):511-517.   Published online October 23, 2017
DOI: https://doi.org/10.5217/ir.2017.15.4.511
AbstractAbstract PDFPubReaderePub
<b>Background/Aims</b><br/>

There is substantial evidence supporting a role of inflammation in the pathogenesis of colorectal cancer; however, little is known about the association between serum C-reactive protein (CRP) and the risk of colorectal adenoma. This study was conducted to investigate the association between serum CRP and colorectal adenoma risk.

Methods

A retrospective cross-sectional study was performed on first-time screening colonoscopies in asymptomatic subjects who also had their serum CRP level measured during a routine health check-up between September 2006 and September 2009 in Korea. Serum CRP level was compared between high-risk and low-risk adenoma groups and independent predictors of high-risk adenoma were analyzed using multivariate regression analysis.

Results

Among the 3,309 eligible patients, the high-risk adenoma group had higher serum CRP levels than the low-risk adenoma group (P=0.000). In addition, patients with a high-risk adenoma were more frequently included in the high CRP group than in the low CRP group (8.6% vs. 4.0%, P<0.001). The prevalence of high-risk adenoma was 3.5 times higher in the highest quartile of CRP level (P=0.000) compared with that in the lowest quartile. In logistic regression analysis, a higher quartile CRP level was found to be an independent risk factor for high-risk adenoma (odds ratio, 1.8; 95% confidence interval, 1.3–2.5; P=0.000).

Conclusions

High CRP level is associated with high-risk adenoma in both men and women. Our data may support the association between chronic inflammation and colorectal neoplasia, which warrants further investigation.

Citations

Citations to this article as recorded by  
  • Short-term and residential exposure to air pollution: Associations with inflammatory biomarker levels in adults living in northern France
    Marion Darras-Hostens, Djamal Achour, Manon Muntaner, Céline Grare, Gianni Zarcone, Guillaume Garçon, Philippe Amouyel, Farid Zerimech, Régis Matran, Jean-Marc Lo Guidice, Luc Dauchet
    Science of The Total Environment.2022; 833: 154985.     CrossRef
  • Functional Plasmon-Activated Water Increases Akkermansia muciniphila Abundance in Gut Microbiota to Ameliorate Inflammatory Bowel Disease
    Chun-Chao Chang, Chih-Yi Liu, I-Chia Su, Yuarn-Jang Lee, Hsing-Jung Yeh, Wen-Chao Chen, Chih-Jui Yu, Wei-Yu Kao, Yu-Chuan Liu, Chi-Jung Huang
    International Journal of Molecular Sciences.2022; 23(19): 11422.     CrossRef
  • Self-reported Metabolic Risk Factor Associations with Adenomatous, Sessile Serrated, and Synchronous Adenomatous and Sessile Serrated Polyps
    Celina N. Santiago, Samara Rifkin, Julia Drewes, Gerard Mullin, Emma Spence, Linda M. Hylind, Joell J. Gills, David Kafonek, David M. Cromwell, Louis La Luna, Francis Giardello, Cynthia L. Sears
    Cancer Prevention Research.2021; 14(7): 697.     CrossRef
  • Single‐incision laparoscopic colectomy for ascending colon tumor with relapsing polychondritis
    Ryugo Teranishi, Norikatsu Miyoshi, Kansuke Kido, Masayuki Nishide, Shiki Fujino, Takayuki Ogino, Hidekazu Takahashi, Mamoru Uemura, Chu Matsuda, Tsunekazu Mizusima, Masaki Mori, Yuichiro Doki
    Asian Journal of Endoscopic Surgery.2020; 13(4): 569.     CrossRef
  • Increased Th17-Related Cytokine Serum Levels in Patients With Multiple Polyps of Unexplained Origin
    Miren Alustiza, Eva Hernández-Illán, Miriam Juárez, Mar Giner-Calabuig, Cristina Mira, Alejandro Martínez-Roca, Luis Bujanda, Francisco Rodríguez-Moranta, Joaquín Cubiella, Luisa de-Castro, José-Carlos Marín-Gabriel, Alberto Herreros-de-Tejada, Fernando F
    Clinical and Translational Gastroenterology.2020; 11(3): e00143.     CrossRef
  • 6,164 View
  • 56 Download
  • 5 Web of Science
  • 5 Crossref
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Determining the optimal surveillance interval after a colonoscopic polypectomy for the Korean population?
Jung Lok Lee, Jae Myung Cha, Hye Min Lee, Jung Won Jeon, Min Seob Kwak, Jin Young Yoon, Hyun Phil Shin, Kwang Ro Joo, Joung Il Lee, Dong Il Park
Intest Res 2017;15(1):109-117.   Published online January 31, 2017
DOI: https://doi.org/10.5217/ir.2017.15.1.109
AbstractAbstract PDFPubReaderePub
<b>Background/Aims</b><br/>

Western surveillance strategies cannot be directly adapted to the Korean population. The aim of this study was to estimate the risk of metachronous neoplasia and the optimal surveillance interval in the Korean population.

Methods

Clinical and pathological data from index colonoscopy performed between June 2006 and July 2008 and who had surveillance colonoscopies up to May 2015 were compared between low- and high-risk adenoma (LRA and HRA) groups. The 3- and 5-year cumulative risk of metachronous colorectal neoplasia in both groups were compared.

Results

Among 895 eligible patients, surveillance colonoscopy was performed in 399 (44.6%). Most (83.3%) patients with LRA had a surveillance colonoscopy within 5 years and 70.2% of patients with HRA had a surveillance colonoscopy within 3 years. The cumulative risk of metachronous advanced adenoma was 3.2% within 5 years in the LRA group and only 1.7% within 3 years in the HRA group. The risk of metachronous neoplasia was similar between the surveillance interval of <5 and ≥5 years in the LRA group; however, it was slightly higher at surveillance interval of ≥3 than <3 years in the HRA group (9.4% vs. 2.4%). In multivariate analysis, age and the ≥3-year surveillance interval were significant independent risk factors for metachronous advanced adenoma (P=0.024 and P=0.030, respectively).

Conclusions

Patients had a surveillance colonoscopy before the recommended guidelines despite a low risk of metachronous neoplasia. However, the risk of metachronous advanced adenoma was increased in elderly patients and those with a ≥3-year surveillance interval.

Citations

Citations to this article as recorded by  
  • Risk of developing metachronous colorectal neoplasia after the resection of proximal versus distal adenomas
    Yoon Suk Jung, Nam Hee Kim, Youngwoo Kim, Dong Il Park
    Digestive and Liver Disease.2022; 54(4): 537.     CrossRef
  • Post-polypectomy surveillance interval and advanced neoplasia detection rates: a multicenter, retrospective cohort study
    Amanda J. Cross, Emma C. Robbins, Kevin Pack, Iain Stenson, Matthew D. Rutter, Andrew M. Veitch, Brian P. Saunders, Stephen W. Duffy, Kate Wooldrage
    Endoscopy.2022; 54(10): 948.     CrossRef
  • Comparison of Risk of Metachronous Advanced Colorectal Neoplasia in Patients with Sporadic Adenomas Aged < 50 Versus ≥ 50 years: A Systematic Review and Meta-Analysis
    Yoon Suk Jung, Jung Ho Park, Chan Hyuk Park
    Journal of Personalized Medicine.2021; 11(2): 120.     CrossRef
  • British Society of Gastroenterology/Association of Coloproctology of Great Britain and Ireland/Public Health England post-polypectomy and post-colorectal cancer resection surveillance guidelines
    Matthew D Rutter, James East, Colin J Rees, Neil Cripps, James Docherty, Sunil Dolwani, Philip V Kaye, Kevin J Monahan, Marco R Novelli, Andrew Plumb, Brian P Saunders, Siwan Thomas-Gibson, Damian J M Tolan, Sophie Whyte, Stewart Bonnington, Alison Scope,
    Gut.2020; 69(2): 201.     CrossRef
  • Urine-NMR metabolomics for screening of advanced colorectal adenoma and early stage colorectal cancer
    Eun Ran Kim, Hyuk Nam Kwon, Hoonsik Nam, Jae J. Kim, Sunghyouk Park, Young-Ho Kim
    Scientific Reports.2019;[Epub]     CrossRef
  • A Comparison of the Cumulative Incidences of Metachronous Colorectal Adenoma and Cancer According to the Initial FindingsAmong Colonoscopically Followed-up Patients
    Seiji Kimura, Masanori Tanaka, Shinsaku Fukuda
    Nippon Daicho Komonbyo Gakkai Zasshi.2019; 72(6): 395.     CrossRef
  • Impact of obesity and metabolic abnormalities on the risk of metachronous colorectal neoplasia after polypectomy in men
    Nam Hee Kim, Yoon Suk Jung, Jung Ho Park, Dong Il Park, Chong Il Sohn
    Journal of Gastroenterology and Hepatology.2019; 34(9): 1504.     CrossRef
  • Risk of developing metachronous advanced colorectal neoplasia after colonoscopic polypectomy in patients aged 30 to 39 and 40 to 49 years
    Nam Hee Kim, Yoon Suk Jung, Jung Ho Park, Dong Il Park, Chong Il Sohn
    Gastrointestinal Endoscopy.2018; 88(4): 715.     CrossRef
  • Quality is the Key for Emerging Issues of Population-Based Colonoscopy Screening
    Jin Young Yoon, Jae Myung Cha, Yoon Tae Jeen
    Clinical Endoscopy.2018; 51(1): 50.     CrossRef
  • Histologic discrepancy between endoscopic forceps biopsy and endoscopic mucosal resection specimens of colorectal polyp in actual clinical practice
    Moon Joo Hwang, Kyeong Ok Kim, A Lim Kim, Si Hyung Lee, Byung Ik Jang, Tae Nyeun Kim
    Intestinal Research.2018; 16(3): 475.     CrossRef
  • Quality is the key for emerging issues of population-based colonoscopy screening
    Jin Young Yoon, Jae Myung Cha, Yoon Tae Jeen
    Intestinal Research.2018; 16(1): 48.     CrossRef
  • 5,903 View
  • 59 Download
  • 11 Web of Science
  • 11 Crossref
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Case Report
Cerebral venous thrombosis in a patient with Crohn's disease
Young-Hak Cho, Min Kyu Chae, Jae Myung Cha, Joung Il Lee, Kwang Ro Joo, Hyun Phil Shin, Il Hyun Baek, Jung Won Jeon, Jun Uk Lim, In Taik Hong, Hye-Jin Ki, Jae Bin Kang
Intest Res 2016;14(1):96-101.   Published online January 26, 2016
DOI: https://doi.org/10.5217/ir.2016.14.1.96
AbstractAbstract PDFPubReaderePub

Patients with inflammatory bowel disease (IBD) have an elevated risk of venous thromboembolism compared with the general population. The most common sites of venous thromboembolism in IBD patients are the deep veins of the legs, the pulmonary system, and portal and mesenteric veins. However, cerebral venous thrombosis is rarely associated with IBD. This report describes a case of cerebral venous thrombosis in a patient with Crohn's disease. A 17-year-old girl, diagnosed 4 years earlier with Crohn's disease, presented with headache and vomiting. Magnetic resonance imaging of the brain with venography showed venous thrombosis in the cortical veins, superior sagittal sinus, right transverse sinus, and right internal jugular vein. The patient immediately started anticoagulation therapy with intravenous heparin infusion followed by daily oral rivaroxaban 10 mg. Follow-up imaging after 2 weeks showed resolution of the thrombosis, with recanalization of the cortical veins, superior sagittal sinus, right transverse sinus, and right internal jugular vein. She continued rivaroxaban therapy for 6 months, and remained well, without neurologic sequelae. A high level of concern for cerebral venous thrombosis may be important when treating active IBD patients, because anticoagulation treatment can prevent fatal complications.

Citations

Citations to this article as recorded by  
  • Cerebral venous thrombosis during relapse of ulcerative colitis: Case report with review of literature
    S. Bouchal, B. Alami, N. Chtaou, M. Abkari, M. Maaroufi, F. Belahsen
    JMV-Journal de Médecine Vasculaire.2021; 46(1): 22.     CrossRef
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    Gauruv Bose, Justin Graveline, Vignan Yogendrakumar, Risa Shorr, Dean A Fergusson, Gregoire Le Gal, Jonathan Coutinho, Marcelo Mendonça, Miguel Viana-Baptista, Simon Nagel, Dar Dowlatshahi
    BMJ Open.2021; 11(2): e040212.     CrossRef
  • The Twists and Turns of Diagnosis and Treatment of Pediatric Neuro-Behcet's Disease: A Case Report and Literature Review
    Qiao Zhang, Yizhen Luo, Jianli Zhou, Shaoming Zhou, Zhaoxia Wang
    Frontiers in Pediatrics.2021;[Epub]     CrossRef
  • Recurrent Unprovoked Venous Thrombosis (Cerebral Sinus Thrombosis and Mesenteric Vein Thrombosis) in Young Patient with Crohn’s Disease: A Case Report and Review
    Abdullah Mohammed Albishi, Rafaat Chakik, Ali Saleh Alshamrani
    Case Reports in Gastrointestinal Medicine.2020; 2020: 1.     CrossRef
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    Sen Sheng, Krishina Nalleballe, Naga V. Pothineni, Rohan Sharma, Aliza Brown, Hisham Elkhider, Saritha Ranabothu, Nidhi Kapoor, Kelly-Ann Patrice, Sanjeeva Onteddu
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    Laurent Bertoletti, Ygal Benhamou, Yannick Béjot, Sylvestre Marechaux, Saida Cheggour, Boris Aleil, Nicolas Lellouche, Jean-Guillaume Dillinger, Aurélien Delluc
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    Junghwan Lee, Sung Wook Hwang, Jinhee Lee, Kyung Hwa Jung, Ha Il Kim, Sang Hyoung Park, Dong-Hoon Yang, Byong Duk Ye, Jeong-Sik Byeon, Seung-Jae Myung, Suk-Kyun Yang
    Intestinal Research.2018; 16(2): 306.     CrossRef
  • Rivaroxaban and Apixaban for Initial Treatment of Acute Venous Thromboembolism of Atypical Location
    Dawid T. Janczak, Malgorzata K. Mimier, Robert D. McBane, Patrick S. Kamath, Benjamin S. Simmons, Dalene M. Bott-Kitslaar, Charles J. Lenz, Emily R. Vargas, David O. Hodge, Waldemar E. Wysokinski
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  • Use of Novel Oral Anticoagulant to Treat Pulmonary Thromboembolism in Patient with Ulcerative Colitis Superinfected Cytomegalovirus Colitis
    Seok-Hwan Kim, Sunhee Jang, Yegyu Sung, Jun Kyu Park, Yunjung Park, Jintak Yun, Sang-Bum Kang
    The Korean Journal of Gastroenterology.2017; 70(1): 44.     CrossRef
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Editorial
Are Small Rectal Neuroendocrine Tumors Safe?
Jae Ho Choi, Jae Myung Cha
Intest Res 2015;13(2):103-104.   Published online April 27, 2015
DOI: https://doi.org/10.5217/ir.2015.13.2.103
PDFPubReader

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  • The role of endoscopic ultrasonography for diagnosis of residual rectal neuroendocrine tumor
    Seong-Jung Kim, Jun Lee, Gang-Woo Kim, So Yeong Kim
    Surgical Endoscopy.2024; 38(8): 4260.     CrossRef
  • 3,954 View
  • 40 Download
  • 1 Web of Science
  • 1 Crossref
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Case Report
Anaphylactic Shock Caused by Ingestion of Polyethylene Glycol
Sun Hee Lee, Jae Myung Cha, Joung Il Lee, Kwang Ro Joo, Hyun Phil Shin, Il Hyun Baek, Jung Won Jeon, Jun Uk Lim, Jung Lok Lee, Hyae Min Lee, Young-Hak Cho
Intest Res 2015;13(1):90-94.   Published online January 29, 2015
DOI: https://doi.org/10.5217/ir.2015.13.1.90
AbstractAbstract PDFPubReader

Colonoscopy is the current standard method for evaluation of the colon. The diagnostic accuracy and therapeutic safety of colonoscopy depend on the quality of colonic cleansing and preparation. Generally, all these preparations have been demonstrated to be safe for use in healthy individuals without significant comorbid conditions. Based on safety and efficacy concerns, polyethylene glycol (PEG) is most commonly utilized as a bowel preparation solution for colonoscopy. Adverse events in patients receiving PEG are mostly clinically non-significant. However, fatal adverse events rarely have been shown to occur in the few individuals who experience vomiting or aspiration. Anaphylactic shock associated with ingestion of PEG electrolyte solution is an extremely rare fatal complication, and reported mainly in Western countries. Here, we report the first case of anaphylactic shock following the ingestion of PEG solution in Korea.

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    David Bächinger, Jennifer T. O’Malley, Morris Wolf, Stephane Bérnhard, M. Charles Liberman, Mark W. Tibbitt, Andreas H. Eckhard
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    Xin Rong Lim, Grace Yin Lai Chan, Justina Wei Lynn Tan, Carol Yee Leng Ng, Choon Guan Chua, Guat Bee Tan, Stephrene Seok Wei Chan, Kiat Hoe Ong, Ying Zhi Tan, Sarah Hui Zhen Tan, Claire Min Li Teo, Samuel Shang Ming Lee, Bernard Yu Hor Thong, Bernard Pui
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  • Anaphylactic shock induced by polyethylene glycol after bowel preparation for the colorectal cancer surgery: A case report
    Go Woon Park, Nahyeon Park, Jung Cheol Kuk, Eung Jin Shin, Dae Ro Lim
    World Journal of Clinical Cases.2023; 11(23): 5589.     CrossRef
  • Neither iatrogenic nor hereditary cause: A rare case of anaphylaxis to low sorb tubing used for infusions
    Amber Gibson, Muhammad Usman Baig, Sana Mohiuddin, Wafik Zaky
    Pediatric Blood & Cancer.2021;[Epub]     CrossRef
  • Anaphylaxis associated with the mRNA COVID-19 vaccines: Approach to allergy investigation
    Viktorija Erdeljic Turk
    Clinical Immunology.2021; 227: 108748.     CrossRef
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    Eun Hee Chung
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    Bing-Mae Chen, Tian-Lu Cheng, Steve R. Roffler
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    Nicola Giangrande, Jesús Miguel García-Menaya, Mariana Marcos-Fernández, Carmen Cámara-Hijón, Pedro Bobadilla-González
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    Nicholas G. Kounis, Ioanna Koniari, George Soufras, Grigorios Tsigkas, George Hahalis
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    E. Wenande, L. H. Garvey
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    So-Hee Lee, Sun Hyuk Hwang, Jin Soo Park, Hae-Sim Park, Yoo Seob Shin
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  • Pre-existing anti-PEG antibodies are associated with severe immediate allergic reactions to pegnivacogin, a PEGylated aptamer
    Thomas J. Povsic, Monica G. Lawrence, A. Michael Lincoff, Roxana Mehran, Christopher P. Rusconi, Steven L. Zelenkofske, Zhen Huang, Jeffrey Sailstad, Paul W. Armstrong, P. Gabriel Steg, Christoph Bode, Richard C. Becker, John H. Alexander, N. Franklin Adk
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    David Gachoka
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  • 11,480 View
  • 59 Download
  • 19 Web of Science
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Reviews
Would You Recommend Screening Colonoscopy for the Very Elderly?
Jae Myung Cha
Intest Res 2014;12(4):275-280.   Published online October 27, 2014
DOI: https://doi.org/10.5217/ir.2014.12.4.275
AbstractAbstract PDFPubReaderePub

Life expectancy in Korea has increased, and the number of screening colonoscopies in the elderly has also dramatically increased. The net benefit of colonoscopy in the very elderly (≥80 years of age as defined by the World Health Organization) may be reduced because of the competing risk of mortality due to other diseases. Therefore, the decision to perform screening colonoscopy may be more complex in this age group. As the potential increase in life expectancy due to screening colonoscopy is significantly reduced in the very elderly, this procedure should be limited to those among the very elderly who have substantial life expectancies. Furthermore, considering the common major complications associated with colonoscopy, poor bowel preparation, and the possibility of incomplete colonoscopies in the very elderly, the performance of screening colonoscopy in the very elderly may not be an ideal recommendation. In terms of providing the greatest benefit to the most number of people, patients with the highest potential gain in terms of life expectancy, relative to the diagnostic yield, should be targeted for colonoscopy screening. This review addresses the unique considerations regarding screening colonoscopy in the very elderly and the individualized approach, which involves the weighing of the risks and benefits for each individual with consideration of their overall health status.

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    Ki Young Lim, Kyeong Ok Kim, Eun Young Kim, Yoo Jin Lee, Byung Ik Jang, Sung Kook Kim, Chang Heon Yang
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    Haibin Zhou, Hayat Khizar, Xiaofeng Zhang, Jianfeng Yang
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    Ting-Ting Liu, Yi-Teng Meng, Feng Xiong, Cheng Wei, Su Luo, Sheng-Gang Zhan, Yang Song, Ying-Xue Li, Rui-Yue Shi, Jun Yao, Li-Sheng Wang, De-Feng Li, Xingshun Qi
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    Ming-Chu Wen, Kevin Kau, Sheng-Shiung Huang, Wen-Hsin Huang, Li-Yun Tsai, Tsung-Yu Tsai, Shiow-Luan Tsay
    Medicine.2020; 99(46): e23102.     CrossRef
  • Safety and Efficacy of Low-Volume Preparation in the Elderly: Oral Sulfate Solution on the Day before and Split-Dose Regimens (SEE SAFE) Study
    Min Seob Kwak, Jae Myung Cha, Hyo-Joon Yang, Dong Il Park, Kyeong Ok Kim, Jun Lee, Jeong Eun Shin, Young-Eun Joo, Jongha Park, Jeong-Sik Byeon, Hyun Gun Kim
    Gut and Liver.2019; 13(2): 176.     CrossRef
  • Same-Day Single Dose of 2 Liter Polyethylene Glycol is Not Inferior to The Standard Bowel Preparation Regimen in Low-Risk Patients: A Randomized, Controlled Trial
    Xiaoyu Kang, Lina Zhao, Zhiyong Zhu, Felix Leung, Limei Wang, Xiangping Wang, Hui Luo, Linhui Zhang, Tao Dong, Pingying Li, Zhangqin Chen, Gui Ren, Hui Jia, Xiaoyang Guo, Yanglin Pan, Xuegang Guo, Daiming Fan
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    Su Young Back, Hyun Gun Kim, Eu Mi Ahn, Suyeon Park, Seong Ran Jeon, Hee Hyuk Im, Jin-Oh Kim, Bong Min Ko, Joon Seong Lee, Tae Hee Lee, Jun-Hyung Cho
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    David A. Johnson, David Lieberman, John M. Inadomi, Uri Ladabaum, Richard C. Becker, Seth A. Gross, Kristin L. Hood, Susan Kushins, Mark Pochapin, Douglas J. Robertson
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    Daniela Medeiros Milhomem CARDOSO, Marco Aurélio Silveira BOTACIN, Marilia Adriano MEKDESSI
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    Rintaro Hashimoto, Masato Nakahori, Tomoki Matsuda
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    Eun Sun Kim
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    Hyun Gun Kim
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    Yoon Suk Jung, Seungho Ryu, Yoosoo Chang, Kyung Eun Yun, Jung Ho Park, Hong Joo Kim, Yong Kyun Cho, Chong Il Sohn, Woo Kyu Jeon, Byung Ik Kim, Kyuyong Choi, Dong Il Park
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Impact of Sigmoidoscopy and Colonoscopy on Colorectal Cancer Incidence and Mortality: An Evidence-Based Review of Published Prospective and Retrospective Studies
Otto S. Lin, Richard A. Kozarek, Jae Myung Cha
Intest Res 2014;12(4):268-274.   Published online October 27, 2014
DOI: https://doi.org/10.5217/ir.2014.12.4.268
AbstractAbstract PDFPubReaderePub

Screening for colorectal cancer (CRC) using sigmoidoscopy or colonoscopy is now common in many developed countries. This concise, evidence-based review looks at the impact of sigmoidoscopy or colonoscopy screening on CRC incidence, CRC mortality and overall mortality. Data from controlled retrospective and prospective (observational or randomized) studies have generally shown that sigmoidoscopy and colonoscopy, whether for diagnostic, screening or surveillance purposes, are associated with a significant reduction in CRC incidence and CRC mortality. The data on their impact on overall mortality is much more limited, with most studies unable to report a reduction in overall mortality. The results of three meta-analyses have confirmed these conclusions. As expected, sigmoidoscopy has a predominant effect on left-sided CRC, although some studies have shown modest effects on right-sided colon cancer as well. Most studies on colonoscopy have demonstrated that the protective effect applies to both right and left-sided cancer, although the protection seemed better on the left side. Despite the introduction of other screening and diagnostic modalities for the colon, such as computed tomography colonography and colonic capsule endoscopy, lower endoscopy will continue to be an important mode of screening for CRC and evaluating the colon.

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Letters to the Editor
Interval Cancers after a Negative Colonoscopy Finding in a Korean Population: A Small Step for Gastroenterologists but One Giant Leap for Koreans
Jae Myung Cha
Intest Res 2014;12(2):169-170.   Published online April 29, 2014
DOI: https://doi.org/10.5217/ir.2014.12.2.169
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  • Miss rate of colorectal neoplastic polyps and risk factors for missed polyps in consecutive colonoscopies
    Nam Hee Kim, Yoon Suk Jung, Woo Shin Jeong, Hyo-Joon Yang, Soo-Kyung Park, Kyuyong Choi, Dong Il Park
    Intestinal Research.2017; 15(3): 411.     CrossRef
  • Author's Reply
    Dong Il Park
    Intestinal Research.2014; 12(2): 171.     CrossRef
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Review
Colonoscopy Quality is the Answer for the Emerging Issue of Interval Cancer
Jae Myung Cha
Intest Res 2014;12(2):110-116.   Published online April 29, 2014
DOI: https://doi.org/10.5217/ir.2014.12.2.110
AbstractAbstract PDFPubReader

Colonoscopy is currently regarded as the gold standard and preferred screening method for colorectal cancer (CRC). Recently, however, a limitation of colonoscopy in the prevention of CRCs has been identified, particularly in the right-sided colon, and the problem of so-called interval cancers has emerged. The prevalence of interval cancer is estimated to be between 4% and 8% of CRCs detected. Although the exact etiology of interval cancer remains unknown, factors implicated in the development of interval cancers include missed lesions at the time of colonoscopy, incomplete resection of previous neoplastic lesions, different tumor biology, and serrated pathway of carcinogenesis. However, recent evidence suggests that interval cancers are related to the training of the endoscopist and quality of the colonoscopy rather than tumor biology. Therefore, the importance of adequate training and continuous monitoring of the colonoscopy quality, which are amenable to improvement, cannot be overstated in order to prevent the risk of interval cancers. In this study, the current literature regarding the prevalence and potential factors related to interval cancers and colonoscopy quality-related issues are reviewed.

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Original Articles
Association of Gallbladder Polyp with the Risk of Colorectal Adenoma
Jung Won Jeun, Jae Myung Cha, Joung Il Lee, Kwang Ro Joo, Hyun Phil Shin, Jun Uk Lim
Intest Res 2014;12(1):48-52.   Published online January 28, 2014
DOI: https://doi.org/10.5217/ir.2014.12.1.48
AbstractAbstract PDFPubReader
<b>Background/Aims</b><br/>

Gallbladder polyps and colorectal adenomas share many common risk factors; however, their association has never been studied. The aim of this study was to investigate this association in asymptomatic healthy subjects.

Methods

Consecutive asymptomatic subjects who underwent both screening colonoscopy and abdominal ultrasonography at Kyung Hee University Hospital in Gang Dong between July 2010 and April 2011 were prospectively enrolled. The prevalence of colorectal adenoma was compared between subjects with or without gallbladder polyps. Furthermore, a logistic regression analysis was performed to determine the independent risk factors for colorectal adenoma in these subjects.

Results

Of the 581 participants, 55 presented with gallbladder polyps and 526 did not have gallbladder polyps. Participants with gallbladder polyps showed a trend toward a higher prevalence of colorectal adenoma than those without gallbladder polyps (52.7% vs. 39.2%, P=0.051). Although the result was not statistically significant, gallbladder polyps were found to be a possible risk factor for colorectal adenoma (odds ratio=1.796, 95% confidence interval=0.986-3.269, P=0.055), even after adjusting for potential confounding factors. There was no difference observed in colorectal adenoma characteristics between the two groups.

Conclusions

Our results suggest a possible association between gallbladder polyps and colorectal adenomas. Future studies with larger cohorts are warranted to further investigate this matter.

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    嫣琦 王
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    Taeyoung Lee, Kyung Eun Yun, Yoosoo Chang, Seungho Ryu, Dong Il Park, Kyuyong Choi, Yoon Suk Jung
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Clinical Practice of Surveillance Colonoscopy according to the Classification of Colorectal Intraepithelial Neoplasia in Korea: High-grade Dysplasia/Carcinoma In Situ Versus Intramucosal Carcinoma
Sung Pil Hong, Tae Il Kim, Hyun Gun Kim, Hyun-Soo Kim, Seong-Eun Kim, Kyu Chan Huh, Jeong Eun Shin, Jae Myung Cha, Suck-Ho Lee, Intestinal Tumor Research Group, Korean Association for the Study of the Intestinal Disease
Intest Res 2013;11(4):276-282.   Published online October 30, 2013
DOI: https://doi.org/10.5217/ir.2013.11.4.276
AbstractAbstract PDF
Background/Aims
Recent guidelines strongly recommend that the interval of surveillance colonoscopy be determined according to the risk stratification obtained at index colonoscopy. However, because of the differences in perception of the classification of colorectal intraepithelial neoplasia between Asian and Western countries, there is some confusion about surveillance colonoscopy. The aim of the present study was to evaluate the clinicopathological characteristics and the interval of surveillance colonoscopy between patients with high-grade dysplasia/carcinoma in situ and those with intramucosal carcinoma. Methods: From January 2003 to June 2010, 727 patients were included from 8 tertiary centers. Four hundred fifteen patients (57.1%) had high-grade dysplasia /carcinoma in situ (group A), and 312 (43.9%) had intramucosal carcinoma (group B). Clinicopathological data were reviewed retrospectively. Results: Group A had a significantly more frequent family history of colorectal cancer (3.1% vs. 0.6%, P<0.001), smaller polyp size (12 mm vs. 15 mm, P=0.001), and more proximal location (31.1% vs. 21.8%, P=0.005) than did group B. Among 727 patients, surveillance colonoscopy was performed within 6 months in 55.8% of patients and within 12 months in 77.8%. Group B had a significantly shorter interval of surveillance colonoscopy than did group A (P<0.001). There was no difference in detection of advanced neoplasia at surveillance colonoscopy between the 2 groups (6.6% vs. 5.4%, P=0.638). Conclusions: The recommended interval of surveillance colonoscopy is not followed in Korea. More education about post-polypectomy surveillance guidelines is required. (Intest Res 2013;11:276-282)

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    Soo‐Kyung Park, Nam Hee Kim, Yoon Suk Jung, Won Hee Kim, Chang Soo Eun, Bong Min Ko, Geom Seog Seo, Jae Myung Cha, Jae Jun Park, Kyeong Ok Kim, Chang Mo Moon, Yoonho Jung, Eun Soo Kim, Seong Ran Jeon, Chang Kyun Lee, Dong Il Park
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    Kyeong Ok Kim
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Preoperative Carbohydrate Antigen 19-9 Levels Can Predict Stage and Survival Rate in Patients with Colorectal Cancer
Soo Young Moon, Jae Myung Cha, Joung Il Lee, Kwang Ro Joo, Hyun Phil Shin, Jae Jun Park, Jung Won Jeon, Jun Uk Lim, Seung Jung Jun, Yoon Jong Seo, Chi Hoon Lee
Intest Res 2013;11(3):184-190.   Published online July 30, 2013
DOI: https://doi.org/10.5217/ir.2013.11.3.184
AbstractAbstract PDF
Background/Aims
The purpose of this study was to determine whether preoperative carbohydrate antigen 19-9 (CA 19-9) levels can predict the stage of diseases or survival rate in patients with resectable colorectal cancer (CRC). Methods: A total of 247 patients who underwent curative resections at Kyung Hee University Hospital at Gangdong between 2006 and 2011 were enrolled. We investigated the correlations of preoperative serum levels of CA19-9 with clinicopathological features of CRC. Receiver operative curve was constructed for evaluating the efficiency of the serum CA 19-9 levels in the stratifying stage of CRC. Survival analysis was performed with Kaplan-Meire method and log-rank test. Cox regression analysis was used for the multivariate analysis for survival. Results: Abnormal level of serum CA 19-9 (>37 IU/mL) were associated with advanced T stage (P<0.001), N stage (P=0.002) and TNM stage (P<0.001) in patients with resectable CRC. Furthermore, abnormal level of serum CA 19-9 were related with vascular invasion (P=0.002) and lymphatic invasion (P=0.026). The area under the curve was 0.75 (95% confidence interval [CI] 0.67-0.83) for T4 stage CRC and 0.680 (95% CI 0.61-0.75) for TNM stage III CRC. In patients with TNM stage III CRC, a preoperative CA 19-9 higher than 60 IU/mL (P=0.033) and presence of vascular invasion (P=0.002) were identified as significant predictors of survival rate on multivariate analysis. Conclusions: In patients with resectable CRC, preoperative CA 19-9 correlates with T stage, N stage and TNM stage of disease. Serum CA 19-9 >60 U/mL was an independent predictor of survival rate in the patients with TNM stage III CRC. (Intest Res 2013;11:184-190)

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    Yerim Cho, Su Bee Park, Jin Young Yoon, Min Seob Kwak, Jae Myung Cha
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Clinical Characteristics and Outcomes of Diverticulitis by Physician's Specialty
Seung Jung Jun, Jae Myung Cha, Joung Il Lee, Kwang Ro Joo, Hyun Phil Shin, Jae Jun Park, Jung Won Jeon, Jun Uk Lim, Yoon Jong Seo, Soo Young Moon, Chi Hoon Lee
Intest Res 2013;11(2):92-99.   Published online April 30, 2013
DOI: https://doi.org/10.5217/ir.2013.11.2.92
AbstractAbstract PDF
Background/Aims
Several factors affecting the severity and outcomes of diverticulitis have been reported, but there is little research on physician specialty related with this disease. Therefore, we evaluated the clinical characteristics and outcomes of diverticulitis depending on physician's specialty. Methods: Medical records of 239 patients, who had been hospitalized with first-diagnosed acute colonic diverticulitis at Kyung Hee University Hospital in Gang Dong (Seoul, Korea) from June 2006 to December 2012, were retrospectively analyzed. The patients were classified according to whether they had been managed by gastroenterologists or not. Clinical characteristics and treatment outcomes were compared between two groups. Results: Of these 239 patients, 38 (15.9%) patients were treated by a gastroenterologist and 201 (84.1%) patients by a non-gastroenterologist. Clinical characteristics such as age, gender, body mass index, comorbidity, medication, laboratory results, recurrence and complication were not significantly different between two groups. However, right-sided diverticulitis predominated in the non-gastroenterologist group (79% vs. 91%, P=0.028). From the sub-group analysis of uncomplicated diverticulitis, intravenous antibiotics was used for a shorter period of time by gastroenterologists than non-gastroenterologists (3.3±1.9 days vs. 4.4±2.8 days, P=0.032). Multivariate logistic regression analysis showed that the 3 day administration of intravenous antibiotics significantly depended on the physician's specialty (odds ratio 7.984, 95% confidence interval 1.990-32.043, P=0.003). Conclusions: The results suggest that the duration of intravenous antibiotics for treating uncomplicated colonic diverticulitis was shortened by gastroenterology specialists without increasing operation or recurrence. (Intest Res 2013;11:92-99)
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The Improvement of Nutritional Support with Percutaneous Endoscopic Gastrostomy
Yoon Jong Seo, Jae Myung Cha, Joung Il Lee, Kwang Ro Joo, Hyun Phil Shin, Jae Jun Park, Jung Won Jeon, Jun Uk Lim, Seung Jung Jun, Soo Young Moon, Soo Young Moon, Mi Ran Cho, Jung Sook Lee
Intest Res 2013;11(2):120-126.   Published online April 30, 2013
DOI: https://doi.org/10.5217/ir.2013.11.2.120
AbstractAbstract PDF
Background/Aims
Percutaneous endoscopic gastrostomy (PEG) is the most common method of enteral nutrition for patients who require long term artificial nutrition. PEG has been used as a method of nutritional support; however, improvement of nutritional support via PEG has not yet been reported. In this study, we analyzed the efficacy of nutritional support via PEG. Methods: We conducted a retrospective analysis of 196 consecutive patients who underwent PEG at Kyung Hee University Hospital in Gang Dong from 2006 to 2012. We analyzed clinical characteristics, the method of nutritional support, and the proportion of intake to establish recommendations for nutritional requirements and the duration needed to reach the level of appropriate nutrition. Results: A total of 196 patients included 130 men and 66 women, and their mean age (standard deviation) was 69.1±14.0 years. Compared with caloric and protein supplementation before PEG, 113 kcal (13.8% of baseline) and 4.8 g of protein (17.5% of baseline) could be additionally supplied with PEG (P=0.001, respectively). The number of patients who could take more than 90% of the recommended requirements of caloric and protein supplementation after PEG showed increased caloric and protein intake by 25.4% and 20.2%, respectively, in comparison with those before PEG (P=0.001 and P=0.001, respectively). The mean duration of catch-up for more than 90% of the recommended caloric and protein intake was approximately 11 days. Procedure related complications and early mortality were reported in 8.1% and 0% of patients, respectively. Conclusions: PEG is an effective and safe nutritional support method for patients who require long term artificial nutrition. (Intest Res 2013;11:120-126)

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  • Reappraisal of Pneumoperitoneum After Percutaneous Endoscopic Gastrostomy
    Won Young Park, Tae Hee Lee, Joon Seong Lee, Su Jin Hong, Seong Ran Jeon, Hyun Gun Kim, Joo Young Cho, Jin Oh Kim, Jun Hyung Cho, Sang Wook Lee, Young Kwan Cho
    Intestinal Research.2015; 13(4): 313.     CrossRef
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Review
Variable Clinical Classifications and Diagnostic Coding Systems of Colorectal Neuroendocrine Tumor
Byung Chang Kim, Cheol Hee Park, Tae Il Kim, Suck-Ho Lee, Jin-Oh Kim, Hyun Soo Kim, Dong-Hoon Yang, Bora Keum, Sung Pil Hong, Seong-Eun Kim, Hyun Gun Kim, Jeong Eun Shin, Jae Myung Cha, Young Eun Joo, Dong Il Park, Hwang Choi, Kyu Chan Huh, Seung-Jae Myung, Dong Kyung Chang, Seun Ja Park
Intest Res 2013;11(1):14-22.   Published online January 31, 2013
DOI: https://doi.org/10.5217/ir.2013.11.1.14
AbstractAbstract PDF
The incidence of colorectal carcinoid tumor is recently increasing as screening colonoscopy increased. Traditional carcinoid tumor had been known as low grade, malignant neuroendocrine cell orign tumor. In 2000, World Health Organization (WHO) suggested that carcinoid was called well-differentiated neuroendocrine tumor (NET). It recently updated in 2010 by WHO; according to the differentiation and malignant potential, NET classified with NET Grade 1, Grade 2, and neuroendocrine carcinoma. They suggested that NET had malignant potential in accordance with histopathologic characteristics. Therefore, WHO recommended the behavior code of NET as malignant. However, European Neuroendocrine Tumor Society (ENETS) proposed the behavior of NET to four grades based on the histopathologic features; benign, benign or low grade malignant, low grade malignant, and high grade malignant. Also, American Joint Committee on Cancer (AJCC) suggested that topography codes of NET were defined as malignant. Korean Standard Classification of Diseases (KCD) described the different codings of carcinoid (NET). The discrepancies of behavior code or coding system exist among WHO, ENETS, AJCC and KCD. Also, there were differences in the perception for topographic coding system between clinicians and pathologists. NETs of colorectum were reported with the variable clinical characteristics (especially, metastasis) and long term prognosis from many studies. Especially, risk of metastasis and long term prognosis of small sized NET (<1 cm) had some discrepancies and should be investigated prospectively. Therefore, the consensus about topographic codes of NET should be needed with multidisplinary approach among gastroenterologists, pathologists and surgeons. (Intest Res 2013;11:14-22)

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  • Efficacy of Precut Endoscopic Mucosal Resection for Treatment of Rectal Neuroendocrine Tumors
    Hoonsub So, Su Hyun Yoo, Seungbong Han, Gwang-un Kim, Myeongsook Seo, Sung Wook Hwang, Dong-Hoon Yang, Jeong-Sik Byeon
    Clinical Endoscopy.2017; 50(6): 585.     CrossRef
  • Diagnostic Coding for Intramucosal Carcinoma and Neuroendocrine Tumor in the Colorectum: Proposal for Avoiding Confusing Coding in Korea
    Dong Soo Han, Jin Hee Sohn, Jeong-Sik Byeon, Hwang Choi, Joon Mee Kim
    Clinical Endoscopy.2015; 48(3): 216.     CrossRef
  • Highlights from the 50th Seminar of the Korean Society of Gastrointestinal Endoscopy
    Eun Young Kim, Il Ju Choi, Kwang An Kwon, Ji Kon Ryu, Seok Ho Dong, Ki Baik Hahm
    Clinical Endoscopy.2014; 47(4): 285.     CrossRef
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Original Article
Clinicopathological Characteristics of Colorectal Cancer according to Gender Difference
Dae Ho Kim, Jae Myung Cha, Joung Il Lee, Kwang Ro Joo, Hyun Phil Shin, Jae Jun Park, Jung Won Jeon, Jun Uk Lim, Seung Jung Jun, Yoon Jong Seo
Intest Res 2012;10(4):365-371.   Published online October 31, 2012
DOI: https://doi.org/10.5217/ir.2012.10.4.365
AbstractAbstract PDF
Background/Aims
Colorectal cancer (CRC) has been one of the major causes of death and has become a major public health concern. The incidence of CRC has been increasing regardless of gender in Korea. Until now, however, the studies on gender-based clinicopathological characteristics of CRC focused on pathology have never been reported. Therefore, we aimed to evaluate the difference in clinicopathological characteristics of CRC according to gender in Korea. Methods: Medical records of 342 patients with advanced CRC who underwent surgical resection at Kyung Hee University Hospital at Gangdong from June 2006 to December 2011 were retrospectively analyzed. The data of the clinicopathological characteristics of CRC by gender difference were compared. Results: Of these 341 patients, 203 (60%) patients were male and 138 (40%) patients were female. The male preponderance was noted in all age groups for total CRC and left-sided CRC. However, for right-sided colon cancer, this male preponderance was significantly decreased with increasing age groups (P=0.025) and was finally reversed in elderly groups (age ≥60 years). The microsatellite instability represented by negative staining for hMLH1 and hMSH2 was more frequently detected in women than men (P=0.037). Conclusions: The male preponderance in right-sided colon cancer decreased with increasing age groups and finally reversed in age groups more than 60 years. Microsatellite instability with immunohistochemical staining was more frequently detected in women. However, further studies with a large number of patients are warranted on this issue. (Intest Res 2012;10:365-371)

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  • Screening strategy for colorectal cancer according to risk
    Dong Soo Han
    Journal of the Korean Medical Association.2017; 60(11): 893.     CrossRef
  • Prevalence, Clinicopathologic Characteristics, and Predictors of Interval Colorectal Cancers in Korean Population
    Chang Joon Kim, Yoon Suk Jung, Jung Ho Park, Hong Joo Kim, Yong Kyun Cho, Chong Il Sohn, Woo Kyu Jeon, Byung Ik Kim, Shin Yeong Lee, Hwa Mok Kim, Ki Bae Bang, Dae Sung Lee, Dong Il Park
    Intestinal Research.2013; 11(3): 178.     CrossRef
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Case Report
Mucosa-Associated Lymphoid Tissue Lymphoma of the Rectum Cured by Radiotherapy
Joon Gi Min, Jae Ho Choi, Eun Young Kim, Hyun Soo Kim, Jae Myung Cha, Joung Il Lee, Kwang Ro Joo, Hyun Phil Shin, Jae Jun Park, Weon Kyu Chung
Intest Res 2012;10(2):201-205.   Published online April 30, 2012
DOI: https://doi.org/10.5217/ir.2012.10.2.201
AbstractAbstract PDF
Primary rectal mucosa-associated lymphoid tissue (MALT) lymphoma is a particularly rare disease, comprising <1% of gastrointestinal lymphomas. Although antibiotic therapy has been demonstrated effective for gastric MALT lymphoma, the optimal treatment for MALT lymphoma of the rectum is unknown. Radiotherapy or surgery is often used to treat limited stage MALT lymphoma of the rectum. Here, we describe a case of a 44-year-old-man, who was diagnosed with primary MALT lymphoma of the rectum through colonoscopy. Other staging evaluations, including upper gastrointestinal endoscopy, abdomino-pelvic CT, chest CT, 18F fludeoxyglucose-positron emission tomography, and a bone marrow examination showed no other abnormalities, except stage IA para-rectal lymphadenopathy. The patient received 2 months of radiotherapy without major toxicity. A follow-up abdomino-pelvic CT scan revealed marked improvement in the volume of rectal lymphoma and adjacent lymph nodes. Mucosal nodularity of the lower rectum had completely regressed at the follow-up endoscopy and complete remission was confirmed with a biopsy. (Intest Res 2012;10: 0-205)

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  • Endoscopic features and clinical outcomes of colorectal mucosa-associated lymphoid tissue lymphoma
    Min Kyung Jeon, Hoonsub So, Jooryung Huh, Hee Sang Hwang, Sung Wook Hwang, Sang Hyoung Park, Dong-Hoon Yang, Kee Don Choi, Byong Duk Ye, Seung-Jae Myung, Suk-Kyun Yang, Jeong-Sik Byeon
    Gastrointestinal Endoscopy.2018; 87(2): 529.     CrossRef
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Original Article
The Significance of Fecal Immunochemical Test to Screen for Colorectal Cancer in National Cancer Screening Program
Jun Uk Lim, Na Young Bae, Won Koung Song, Jae Myung Cha, Joung Il Lee
Intest Res 2010;8(2):126-134.   Published online December 30, 2010
DOI: https://doi.org/10.5217/ir.2010.8.2.126
AbstractAbstract PDF
Background/Aims
Colorectal cancer (CRC) is one of the major causes of death and poses a major public health concern. The National CRC Screening Programme (NCSP) provides annual CRC screening using a fecal occult blood test for individuals >50 years of age since 2004. The purpose of the current study was to determine the outcomes and efficacy of a fecal immunochemical test (FIT) based on the NCSP in a quality-controlled university hospital setting. Methods: We retrospectively reviewed the medical records and a standardized questionnaire from the NCSP of 3,852 individuals who underwent a FIT between March and December 2009. All of the subjects submitted a stool specimen for a FIT, while a double-contrast barium enema or colonoscopy was performed as a confirmatory examination for FIT-positive individuals. The CRC screening rate and rate of detection colorectal adenomas, advanced adenomas, and colorectal cancers by FIT were evaluated. Results: The CRC screening rate with FIT was very high (72.3%), but the positive rate of detection by FIT was only 1.3%. The rate of detection for colorectal cancers, adenomas, and advanced adenomas by FIT was 0.08%, 0.39%, and 0.13%, respectively. The quantitative values of FIT in individuals with colorectal adenomas and cancers were significantly higher than other colorectal diseases. Men (P=0.001) and elderly individuals (P=0.039) were significantly more common in the FIT-positive group than the FIT-negative group. Approximately 28% of the subjects with FIT-positive tests did not receive a confirmatory examination. Conclusions: Although the FIT had a low rate of detection, the FIT was a useful screening tool for detection of CRC in the NCSP. It will be important to increase CRC screening rates and confirmatory examination rates. (Intest Res 2010;8:126-134)

Citations

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  • Factors influencing colonoscopy behaviour among Koreans with a positive faecal occult blood tests
    EunHee Choi, JaeHee Jeon, JinHee Kim
    European Journal of Cancer Care.2019; 28(2): e13008.     CrossRef
  • Performance Evaluation of Two Automated Quantitative Fecal Occult Blood Tests
    Ari Ahn, Jeongeun Kim, Young Jin Ko, Heungsup Sung, Mi-Na Kim
    Laboratory Medicine Online.2016; 6(4): 233.     CrossRef
  • A comparison of qualitative and quantitative fecal immunochemical tests in the Korean national colorectal cancer screening program
    Mi Jin Park, Kui Son Choi, You Kyoung Lee, Jae Kwan Jun, Hoo-Yeon Lee
    Scandinavian Journal of Gastroenterology.2012; 47(4): 461.     CrossRef
  • Telephone Reminder Call in Addition to Mailing Notification Improved the Acceptance Rate of Colonoscopy in Patients with a Positive Fecal Immunochemical Test
    Jae Myung Cha, Joung Il Lee, Kwang Ro Joo, Hyun Phil Shin, Jae Jun Park
    Digestive Diseases and Sciences.2011; 56(11): 3137.     CrossRef
  • The Significance of Fecal Immunochemical Test in National Cancer Screening Program
    Dong Il Park
    Intestinal Research.2010; 8(2): 200.     CrossRef
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Case Report
Recurrent Primary Signet Ring Cell Cancer of the Colon at Anastomosis Site after Curative Resection
Yu Jin Suh, Jae Myung Cha, Joung Il Lee, Kwang Ro Joo, Sung Won Jung, Hyun Phil Shin, Soo Woong Kim
Intest Res 2010;8(1):58-62.   Published online June 30, 2010
DOI: https://doi.org/10.5217/ir.2010.8.1.58
AbstractAbstract PDF
A primary signet ring cell cancer (SRCC) is a rare form of an adenocarcinoma of the large intestine. The prognosis of SRCC of the colon has been reported to be worse than classic adenocarcinoma of the colon; however, there is no difference in the post-operative surveillance for SRCC. We report a case of SRCC of the colon with negative resection margins that recurred at the anastomosis site 26 months after curative resection. A 55-year-old male presented to the hospital with abdominal pain. The initial colonoscopy and abdominal computed tomography revealed SRCC of the proximal ascending colon. He underwent extensive curative surgical resection and adjuvant chemotherapy for 8 months. However, 26 months post-operatively, the cancer recurred at the anastomosis site without peritoneal dissemination. Physicians should be aware that SRCC may have different recurrence patterns compared with classic adenocarcinoma, and may need more vigorous surveillance, even after curative surgery. (Intest Res 2010;8:58-62)
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