Intestinal Research

Statement

Cancer

Clinical practice guideline for endoscopic resection of early gastrointestinal cancer: Chan Hyuk Park, Dong-Hoon Yang, Jong Wook Kim, Jie-Hyun Kim, Ji Hyun Kim, Yang Won Min, Si Hyung Lee, Jung Ho Bae, Hyunsoo Chung, Kee Don Choi, Jun Chul Park, Hyuk Lee, Min-Seob Kwak, Bun Kim, Hyun Jung Lee, Hye Seung Lee, Miyoung Choi, Dong-Ah Park, Jong Yeul Lee, Jeong-Sik Byeon, Chan Guk Park, Joo Young Cho, Soo Teik Lee, Hoon Jai Chun; Intest Res 2021;19(2):127-157. Published online October 13, 2020; DOI: https://doi.org/10.5217/ir.2020.00020

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Although surgery was the standard treatment for early gastrointestinal cancers, endoscopic resection is now a standard treatment for early gastrointestinal cancers without regional lymph node metastasis. High-definition white light endoscopy, chromoendoscopy, and image-enhanced endoscopy such as narrow band imaging are performed to assess the edge and depth of early gastrointestinal cancers for delineation of resection boundaries and prediction of the possibility of lymph node metastasis before the decision of endoscopic resection. Endoscopic mucosal resection and/or endoscopic submucosal dissection can be performed to remove early gastrointestinal cancers completely by en bloc fashion. Histopathological evaluation should be carefully made to investigate the presence of risk factors for lymph node metastasis such as depth of cancer invasion and lymphovascular invasion. Additional treatment such as radical surgery with regional lymphadenectomy should be considered if the endoscopically resected specimen shows risk factors for lymph node metastasis. This is the first Korean clinical practice guideline for endoscopic resection of early gastrointestinal cancer. This guideline was developed by using mainly de novo methods and encompasses endoscopic management of superficial esophageal squamous cell carcinoma, early gastric cancer, and early colorectal cancer. This guideline will be revised as new data on early gastrointestinal cancer are collected.

Citations

Citations to this article as recorded by

A proposal for grading the risk of lymph node metastasis after endoscopic resection of T1 colorectal cancer
Zhenghua Piao, Rong Ge, Chunnian Wang
International Journal of Colorectal Disease.2023;[Epub] CrossRef
A DSC Test for the Early Detection of Neoplastic Gastric Lesions in a Medium-Risk Gastric Cancer Area
Valli De Re, Stefano Realdon, Roberto Vettori, Alice Zaramella, Stefania Maiero, Ombretta Repetto, Vincenzo Canzonieri, Agostino Steffan, Renato Cannizzaro
International Journal of Molecular Sciences.2023; 24(4): 3290. CrossRef
Chasm between Public Perceptions and Epidemiological Data on Colorectal Cancer
Su Bee Park, Min Seob Kwak, Jin Young Yoon, Jae Myung Cha
Gut and Liver.2023; 17(3): 449. CrossRef
Calcium, Vitamin D, and Colorectal Cancer
Young-Jo Wi, Soo-Young Na
The Korean Journal of Gastroenterology.2023; 82(2): 47. CrossRef
Effectiveness and Safety of Endoscopic Submucosal Dissection for Colorectal Neoplasm in Patients with High Charlson Comorbidity Index Score: A HASID Multicenter Study
Dong-Hyun Kim, Yong-Wook Jung, Byung-Chul Jin, Hyung-Hoon Oh, Hyo-Yeop Song, Seong-Jung Kim, Dae-Seong Myung, Sang-Wook Kim, Jun Lee, Geom-Seog Seo, Young-Eun Joo, Hyun-Soo Kim
Journal of Clinical Medicine.2023; 12(19): 6255. CrossRef
Endoscopic management of pseudo-lumen stapling following laparoscopic esophagojejunostomy: A case report
Seung Soo Lee
International Journal of Surgery Case Reports.2023; 111: 108830. CrossRef
Clinical characteristics and risk factors related to polyposis recurrence and advanced neoplasm development among patients with non-hereditary colorectal polyposis
Jihun Jang, Jihye Park, Soo Jung Park, Jae Jun Park, Jae Hee Cheon, Tae Il Kim
Intestinal Research.2023; 21(4): 510. CrossRef
Summary and comparison of recently updated post-polypectomy surveillance guidelines
Yoon Suk Jung
Intestinal Research.2023; 21(4): 443. CrossRef
Advanced Endoscopic Resection Techniques in Cirrhosis—A Systematic Review and Meta-Analysis of Outcomes
Saurabh Chandan, Smit Deliwala, Shahab R. Khan, Daryl Ramai, Babu P. Mohan, Mohammad Bilal, Antonio Facciorusso, Lena L. Kassab, Faisal Kamal, Banreet Dhindsa, Abhilash Perisetti, Douglas G. Adler
Digestive Diseases and Sciences.2022; 67(10): 4813. CrossRef
Prognosis and risk factors of electrocoagulation syndrome after endoscopic submucosal dissection in the colon and rectum. Large cohort study
Seong-Jung Kim, Su Young Kim, Jun Lee
Surgical Endoscopy.2022; 36(8): 6243. CrossRef
Comparison between Endoscopic Submucosal Dissection and Surgery in Patients with Early Gastric Cancer
Meng Qian, Yuan Sheng, Min Wu, Song Wang, Kaiguang Zhang
Cancers.2022; 14(15): 3603. CrossRef
Endoscopic methods for the detection and treatment of gastric cancer
Negar Niknam, Steven Obanor, Linda A. Lee
Current Opinion in Gastroenterology.2022; 38(5): 436. CrossRef
Association Between Family History of Gastric Cancer and the Risk of Gastric Cancer and Adenoma: A Nationwide Population-Based Study
Yoon Suk Jung, Mai Thi Xuan Tran, Boyoung Park, Chang Mo Moon
American Journal of Gastroenterology.2022; 117(8): 1255. CrossRef
Colonic Chicken Skin Mucosa Surrounding Colon Polyps Is an Endoscopic Predictive Marker for Colonic Neoplastic Polyps
Yu Mi Lee, Kyung Ho Song, Hoon Sup Koo, Choong-Sik Lee, Inseok Ko, Sang Hyuk Lee, Kyu Chan Huh
Gut and Liver.2022; 16(5): 754. CrossRef
Artificial intelligence-based colorectal polyp histology prediction using narrow-band image-magnifying colonoscopy: a stepping stone for clinical practice
Ji Young Chang
Clinical Endoscopy.2022; 55(5): 699. CrossRef
Feasibility of same-day discharge following endoscopic submucosal dissection for esophageal or gastric early cancer
Jing Wang, Shi-Jie Li, Yan Yan, Peng Yuan, Wei-Feng Li, Chang-Qi Cao, Wei-Gang Chen, Ke-Neng Chen, Qi Wu
World Journal of Gastroenterology.2022; 28(41): 5957. CrossRef
Endoscopic, clinicopathological, and growth characteristics of minute gastric cancer
Zhu Hui Liu, Shi Yuan Lu, Xiao Bo Li, Hui Min Chen, Hao Yan Chen, Xiao Yu Chen, Jing‐Yuan Fang, Yun Cui
Journal of Digestive Diseases.2022; 23(11): 628. CrossRef
Advances in the Aetiology & Endoscopic Detection and Management of Early Gastric Cancer
Darina Kohoutova, Matthew Banks, Jan Bures
Cancers.2021; 13(24): 6242. CrossRef

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Original Articles

Endoscopy

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; Intest Res 2018;16(3):475-483. Published online July 27, 2018; DOI: https://doi.org/10.5217/ir.2018.16.3.475

Abstract PDF PubReader ePub

Background/Aims

We aimed to assess the rate of histologic discrepancy (HD) between endoscopic forceps biopsy (EFB) and totally resected specimens in colorectal polyp and analyze the risk factors of discordant group, especially under-diagnosis (UD) cases before complete removal of colorectal polyp.

Methods

From 2010 to 2015, a total of 290 polyps in 210 patients which had baseline pathology report before endoscopic resection (ER) were analyzed. UD cases were defined as those in which the diagnosis changed to a more advanced histologic feature after ER.

Results

A change in the final histology after ER was noted in 137 cases (47.2%), and after excluding 9 insignificant cases, 128 cases were further categorized into over-diagnosed and under-diagnosed group. UD occurred in 86 cases (29.7%) and change from benign to malignancy was noted in 26 cases (8.9%). On univariate analysis, a larger polyp size (>10 mm) was significantly associated with both HD (P<0.001) and UD (P<0.001). Regarding polyp morphology, protruding or flat was not significantly important. On multivariate analysis, polyp size >10 mm was the single most significant predictor of both HD (P<0.001) and UD (P<0.001).

Conclusions

The HD and UD rates were 47.2% and 29.7%, respectively. Polyp size >10 mm was the most important predictor of both HD and UD. We should be careful in making treatment strategy of colorectal polyp based on histologic report of EFB especially when the size of polyp is >10 mm.

Citations

Citations to this article as recorded by

Genetic Analysis of Biopsy Tissues from Colorectal Tumors in Patients with Ulcerative Colitis
Noriko Yamamoto, Yuji Urabe, Hikaru Nakahara, Takeo Nakamura, Daisuke Shimizu, Hirona Konishi, Kazuki Ishibashi, Misa Ariyoshi, Ryo Miyamoto, Junichi Mizuno, Takeshi Takasago, Akira Ishikawa, Akiyoshi Tsuboi, Hidenori Tanaka, Ken Yamashita, Yuichi Hiyama,
Cancers.2024; 16(19): 3271. CrossRef
Comparing efficacy and factors of postoperative bleeding in endoscopic mucosal resection vs coagulation for intestinal polyps
Zhiang Li, Fei Yu, Chaoqian Wang, Zhang Du
Medicine.2023; 102(37): e34941. CrossRef
“Unresectable” polyp management utilizing advanced endoscopic techniques results in high rate of colon preservation
Carey J. Wickham, Jennifer Wang, Kasim L. Mirza, Erik R. Noren, Joongho Shin, Sang W. Lee, Kyle G. Cologne
Surgical Endoscopy.2022; 36(3): 2121. CrossRef
Potential Factors Predicting Histopathologically Upgrade Discrepancies between Endoscopic Forceps Biopsy of the Colorectal Low-Grade Intraepithelial Neoplasia and Endoscopic Resection Specimens
Junbo Hong, Yining Wang, Jiangshan Deng, Miao Qi, Wei Zuo, Yuanzheng Hao, Anjiang Wang, Yi Tu, Shan Xu, Xiaodong Zhou, Xiaojiang Zhou, Guohua Li, Liang Zhu, Xu Shu, Yin Zhu, Nonghua Lv, Youxiang Chen, Li-kang Sun
BioMed Research International.2022; 2022: 1. CrossRef
Endoscopic vs optical biopsy for patients with colorectal lesions: prospective multicentral trial
K.D. Khalin, M.Yu. Agapov, E.D. Fedorov, L.V. Zvereva, N.E. Ogurchyonok, K.V. Stegnii, E.V. Ivanova, E.R. Dvoinikova, E.V. Gorbachev
Dokazatel'naya gastroenterologiya.2022; 11(3): 11. CrossRef
Long-term Outcomes of Primary Endoscopic Resection vs Surgery for T1 Colorectal Cancer: A Systematic Review and Meta-analysis
Jen-Hao Yeh, Cheng-Hao Tseng, Ru-Yi Huang, Chih-Wen Lin, Ching-Tai Lee, Po-Jen Hsiao, Tsung-Chin Wu, Liang-Tseng Kuo, Wen-Lun Wang
Clinical Gastroenterology and Hepatology.2020; 18(12): 2813. CrossRef
Prophylactic endoscopic coagulation to prevent delayed post-EMR bleeding in the colorectum: a prospective randomized controlled trial (with videos)
Hyun Seok Lee, Seong Woo Jeon, Yong Hwan Kwon, Su Youn Nam, Seonghwan Shin, Ryanghi Kim, Sohyun Ahn
Gastrointestinal Endoscopy.2019; 90(5): 813. CrossRef

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Endoscopy

Prospective analysis of factors associated with inadequate bowel preparation for colonoscopy in actual clinical practice: Dae Hyung Woo, Kyeong Ok Kim, Da Eun Jeong, Yoon Jeong Nam, Si Hyung Lee, Byung Ik Jang, Tae Nyeun Kim; Intest Res 2018;16(2):293-298. Published online April 30, 2018; DOI: https://doi.org/10.5217/ir.2018.16.2.293

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Background/Aims

Inadequate bowel preparation can result in prolonged procedure time and increased missed lesion and complication rates. This prospective study aimed to evaluate bowel preparation quality and identify the predictive factors for inadequate bowel preparation in actual clinical practice.

Methods

We included 399 patients who underwent colonoscopy between June 2015 and July 2016. Using the Aronchick bowel preparation scale, we defined a score ≤2 as adequate preparation and a score >2 as inadequate preparation.

Results

Mean patient age was 58.38±12.97 years; 60.6% were male. Indications for colonoscopy included screening (69.7%) and surveillance after polyp removal (21.3%). A split-dose regimen was prescribed to 55.4% of patients. The inadequate bowel preparation rate was 28.1%. Overall, the median time between the last bowel preparation agent dose and start of colonoscopy was 5.0 hours (range, 1.5–16.0 hours); that of the adequate group was 5.0 hours (range, 1.5–16.0 hours); and that of the inadequate group was 5 hours (range, 2–23 hours). The mean bowel preparation scale score of the ascending colon (1.94±0.25) was significantly higher than that of other colon segments. On multivariate analysis, elderly age, history of cerebrovascular disease, history of gastrectomy or appendectomy, and total preparation solution uptake <2 L were the independent predictors of inadequate bowel preparation.

Conclusions

The inadequate bowel preparation rate was 28.1%. Risk factors included elderly age and history of cerebrovascular disease or abdominal surgery. Patients with these risk factors require special care and education.

Citations

Citations to this article as recorded by

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
A study on the related influencing factors of the quality of bowel preparation and the compliance of middle-aged and elderly patients for colonoscopy
Shanshan Chen, Tingting Zhang, Saie Zhu, Yi Zhou
Current Medical Research and Opinion.2024; 40(9): 1545. CrossRef
Performance of Computer-Aided Detection and Quality of Bowel Preparation: A Comprehensive Analysis of Colonoscopy Outcomes
Dalton A. Norwood, Shyam Thakkar, Amanda Cartee, Fayez Sarkis, Tatiana Torres-Herman, Eleazar E. Montalvan-Sanchez, Kirk Russ, Patricia Ajayi-Fox, Anam Hameed, Ramzi Mulki, Sergio A. Sánchez-Luna, Douglas R. Morgan, Shajan Peter
Digestive Diseases and Sciences.2024;[Epub] CrossRef
Optimization of colonoscopy quality: Comprehensive review of the literature and future perspectives
Wen‐Feng Hsu, Han‐Mo Chiu
Digestive Endoscopy.2023; 35(7): 822. CrossRef
Risk Factors Associated with Painful Colonoscopy and Prolonged Cecal Intubation Time in Female Patients
Yasuhiko Hamada, Kyosuke Tanaka, Yohei Ikenoyama, Noriyuki Horiki, Junya Tsuboi, Reiko Yamada, Misaki Nakamura, Hayato Nakagawa
Journal of the Anus, Rectum and Colon.2023; 7(3): 168. CrossRef
The effect of educational compilation through video tutorials and visual AIDS on the quality of bowel preparation in patients undergoing colonoscopy
Jahanbakhsh Amirarsalani, Leyla Alilu, Masoumeh Hemmati-Maslakpak, Javad Rasouli
Acta Facultatis Medicae Naissensis.2023; 40(3): 307. CrossRef
A predictive model for early death in elderly colorectal cancer patients: a population-based study
Qi Wang, Kexin Shen, Bingyuan Fei, Hai Luo, Ruiqi Li, Zeming Wang, Mengqiang Wei, Zhongshi Xie
Frontiers in Oncology.2023;[Epub] CrossRef
Regression and Random Forest Machine Learning Have Limited Performance in Predicting Bowel Preparation in Veteran Population
Jacob E. Kurlander, Akbar K. Waljee, Stacy B. Menees, Rachel Lipson, Alex N. Kokaly, Andrew J. Read, Karmel S. Shehadeh, Amy Cohn, Sameer D. Saini
Digestive Diseases and Sciences.2022; 67(7): 2827. CrossRef
Comparison of 2 L Polyethylene Glycol Plus Ascorbic Acid and 4 L Polyethylene Glycol in Elderly Patients Aged 60–79: A Prospective Randomized Study
Sung Hoon Jung, Chul-Hyun Lim, Tae-Geun Gweon, Jinsu Kim, Jung Hwan Oh, Kyu-Tae Yoon, Jee Young An, Jeong‑Seon Ji, Hwang Choi
Digestive Diseases and Sciences.2022; 67(10): 4841. CrossRef
Quality indicators in colonoscopy: the chasm between ideal and reality
Su Bee Park, Jae Myung Cha
Clinical Endoscopy.2022; 55(3): 332. CrossRef
Efficacy, safety and tolerability of oral sulphate tablet for bowel preparation in patients with inflammatory bowel disease: A multicentre randomized controlled study
Kyeong Ok Kim, Eun Young Kim, Yoo Jin Lee, Hyun Seok Lee, Eun Soo Kim, Yun Jin Chung, Byung Ik Jang, Sung Kook Kim, Chang Heon Yang
Journal of Crohn's and Colitis.2022; 16(11): 1706. CrossRef
Comparison of Two Types of 1-L Polyethylene Glycol-ascorbic Acid as Colonoscopic Bowel Preparation: A Prospective Randomized Study
Suh Hyun Choi, Won Eui Yoon, Seung Hyuk Kim, Hee Jun Myung, Seo Hyun Kim, Soon Oh So, Se Hun Kim, Hyun Mi Lee, Yeoun Jung Oh, Jeong Seop Moon, Tae Yeong Park, You Sun Kim
The Korean Journal of Gastroenterology.2022; 80(2): 85. CrossRef
Comparative Effectiveness of Commercial Bowel Preparations in Ambulatory Patients Presenting for Screening or Surveillance Colonoscopy
Shashank Sarvepalli, Ari Garber, Carol A. Burke, Niyati Gupta, Mounir Ibrahim, John McMichael, Gareth Morris-Stiff, Amit Bhatt, John Vargo, Maged Rizk, Michael B. Rothberg
Digestive Diseases and Sciences.2021; 66(6): 2059. CrossRef
Quality Improvement of Bowel Preparation for Screening Colonoscopies: A Study of Hospital Team Resource Management in Taiwan
Chen-Shuan Chung, Chih-Ming Lin, Ming-Shu Chen
Quality Management in Health Care.2021; 30(2): 127. CrossRef
Postgastrectomy gastric cancer patients are at high risk for colorectal neoplasia: a case control study
Tae-Geun Gweon, Kyu-Tae Yoon, Chang Hyun Kim, Jin-Jo Kim
Intestinal Research.2021; 19(2): 239. CrossRef
How to Choose the Optimal Bowel Preparation Regimen for Colonoscopy
Ji Eun Na, Eun Ran Kim
The Ewha Medical Journal.2021; 44(4): 122. CrossRef
Factors related to Bowel Cleanliness of Colonoscopy Examinees
Yohan Lee, Haejung Lee
Korean Journal of Adult Nursing.2021; 33(6): 545. CrossRef
Comparison of bowel-cleansing efficacy of split-dose and same-day dose bowel preparation for afternoon colonoscopy in patients with gastrectomy: a prospective randomized study
Tae-Geun Gweon, Cheal Wung Huh, Jeong Seon Ji, Chang Hyun Kim, Jin-Jo Kim, Seung-Man Park
Surgical Endoscopy.2020; 34(10): 4413. CrossRef
Combination of bisacodyl suppository and 1 L polyethylene glycol plus ascorbic acid is a non‐inferior and comfortable regimen compared to 2 L polyethylene glycol plus ascorbic acid
Sun Hwa Kim, Eun Ran Kim, Kyunga Kim, Tae Jun Kim, Sung Noh Hong, Dong Kyung Chang, Young‐Ho Kim
Digestive Endoscopy.2020; 32(4): 600. 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
Educational virtual reality videos in improving bowel preparation quality and satisfaction of outpatients undergoing colonoscopy: protocol of a randomised controlled trial
Yi Zhao, Feng Xie, Xiaoyin Bai, Aiming Yang, Dong Wu
BMJ Open.2019; 9(8): e029483. CrossRef
Impact of diet restriction on bowel preparation for colonoscopy
Seung-Joo Nam, Young Jin Kim, Bora Keum, Jae Min Lee, Seung Han Kim, Hyuk Soon Choi, Eun Sun Kim, Yeon Seok Seo, Yoon Tae Jeen, Hong Sik Lee, Hoon Jai Chun, Soon Ho Um, Chang Duck Kim
Medicine.2018; 97(41): e12645. CrossRef

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Does Carotid Intima-Media Thickness Increase in Patients With Inflammatory Bowel Disease?: Kyeong Ok Kim, Byung Ik Jang, Si Hyung Lee; Intest Res 2014;12(4):293-298. Published online October 27, 2014; DOI: https://doi.org/10.5217/ir.2014.12.4.293

Abstract PDF PubReader ePub

Background/Aims

Mesenteric microvascular thrombosis has been implicated as a contributing factor to the pathogenesis of inflammatory bowel disease (IBD). The aim of the current study was to assess the possibility of subclinical atherosclerosis in patients with IBD by measuring their carotid intima-media thickness (c-IMT).

Methods

Thirty-eight patients with IBD who were followed-up for at least 3 years participated. Patients with a history of cardiovascular disease and known risk factors for atherosclerosis were excluded. As a control group, 38 healthy patients matched for age and gender without atherosclerosis risk factors were included. Carotid ultrasonography was performed in all patients and controls. Patient baseline characteristics and laboratory parameters were recorded to evaluate atherosclerosis risk factors.

Results

The mean age of patients with IBD was 38.5±6.62 years. Twenty-three patients with IBD were diagnosed with ulcerative colitis and the other 15 cases were diagnosed with Crohn's disease. The median duration of disease was 52.0 months. Serologic markers such as erythrocyte sedimentation rate, C-reactive protein (CRP), and cholesterol levels differed significantly, however, there was no significant difference in c-IMT between patients with IBD and those in the control group (0.53±0.10 mm vs. 0.53±0.07; P=0.85). Multivariate analysis revealed that body mass index, CRP, disease duration, and age were significantly correlated with c-IMT in patients with IBD.

Conclusions

The results of the current study did not show an increase in c-IMT in patients with IBD. Further studies that include more subjects and a longer follow-up period will be necessary in order to evaluate the risk of atherosclerosis in Korean patients with IBD.

Citations

Citations to this article as recorded by

Ocular endothelial dysfunction in pediatric inflammatory bowel disease
Giovanni Di Nardo, Mariachiara Di Pippo, Letizia Zenzeri, Maurizio Mennini, Marisa Piccirillo, Silvia Furio, Giovanna Quatrale, Melania Evangelisti, Pasquale Parisi, Livia Lucchini, Alessandro Ferretti, Maria Pia Villa, Gianluca Scuderi, David Sarzi Amadè
Journal of Pediatric Gastroenterology and Nutrition.2024; 78(6): 1297. CrossRef
Endothelial Dysfunction and Arterial Stiffness in Patients with Inflammatory Bowel Disease: A Systematic Review and Meta-Analysis
Hao Wu, Meihua Xu, Hong Hao, Michael A. Hill, Canxia Xu, Zhenguo Liu
Journal of Clinical Medicine.2022; 11(11): 3179. CrossRef
Subclinical Atherosclerosis in Patients With Inflammatory Bowel Diseases: A Systematic Review and Meta-Analysis
Guo-Cui Wu, Rui-Xue Leng, Qi Lu, Yin-Guang Fan, De-Guang Wang, Dong-Qing Ye
Angiology.2017; 68(5): 447. CrossRef
Usefulness of Measuring Serum Procalcitonin Levels in Patients with Inflammatory Bowel Disease
Sook Hee Chung, Hye Won Lee, Seung Won Kim, Soo Jung Park, Sung Pil Hong, Tae Il Kim, Won Ho Kim, Jae Hee Cheon
Gut and Liver.2016; 10(4): 574. CrossRef
Endothelial dysfunction in inflammatory bowel diseases: Pathogenesis, assessment and implications
Dorota Cibor
World Journal of Gastroenterology.2016; 22(3): 1067. CrossRef

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Case Reports

A Case of Bleeding Meckel's Diverticulum in a Patient with Crohn's Disease: Hee Ju Oh, Byung Ik Jang, Dong Hee Kim, Yong Gil Kim, Kyeong Ok Kim, Si Hyung Lee; Intest Res 2010;8(1):80-83. Published online June 30, 2010; DOI: https://doi.org/10.5217/ir.2010.8.1.80

Abstract PDF: Meckel's diverticulum is the most common congenital anomaly of the intestine. The association between Meckel's diverticulum and Crohn's disease is unclear. Meckel's diverticulum has previously been reported to be present in patients with Crohn's disease. However, the finding is typically incidental, and a bleeding Meckel's diverticulum in a patient with Crohn's disease is uncommon. Recently, we managed a 27-year-old man with known Crohn's disease who presented with hematochezia thought to be due to an ileal ulcer of Crohn's disease. At the time of intra-operative small bowel endoscopy, the hematochezia was shown to be due to bleeding from Meckel's diverticulum. Although the patient had already been diagnosed with Crohn's disease, we need to consider the possibility of other causes of bleeding. (Intest Res 2010;8:80-83)

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A Case of Lipoma of Terminal Ileum Causing Intussusception of the Transverse Colon: Yong Gil Kim, Byung Ik Jang, Si Hyung Lee; Intest Res 2009;7(2):110-113. Published online December 30, 2009

Abstract PDF: Intestinal intussusception is rare in adults. Intestinal intussusception is distinct from pediatric intussusception in that an identifiable leading lesion alters normal bowel peristalsis and forms the leading edge of the intussusceptum. The occurrence of lipomas is most common in the colon, followed by the small intestine, and then the stomach. Large lipomas may be associated with complications, such as intussusception or intestinal hemorrhage. In this case, a 77-year-old man was admitted to the hospital with a 10-day history of intermittent abdominal cramping. Computed tomography showed an intussusception of the transverse colon due to a primary mass with a dominant fatty density. The patient's obstructive symptoms resolved after colonoscopic reduction. Colonoscopy plays a useful role in the diagnosis and management of intussusception. The clinical, radiographic, and endoscopic findings are described herein with a brief review of the pertinent literature. (Intest Res 2009;7:110-113)

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A Case of Hemorrhagic Cerebral Infarction in Ulcerative Colitis: Eun Jung Choi, Byung Ik Jang, Kyung Ae Chang, Sang Hun Lee, Yong Kil Kim, Kyeong Ok Kim, Si Hyung Lee, Seok Jin Yoon; Intest Res 2009;7(1):52-55. Published online June 30, 2009

Abstract PDF: Ulcerative colitis is associated with a number of extraintestinal complications, including the infrequent occurrence of thromboembolic disease. Cerebral venous thrombosis is an extremely rare and fatal complication of ulcerative colitis. A 38-year-old woman presented with sluggish mentation and left hemiplegia. Ulcerative colitis had been diagnosed 3 years earlier by colonoscopy and biopsy, and had been controlled with a mesalazine. On admission, a brain computed tomography revealed a high density area in the right frontal lobe, and T2-weighted magnetic resonance imaging demonstrated an abnormal signal in the right frontal area, suggestive of a hemorrhagic cerebral infarction. She was managed with a decompressive craniectomy and conventional treatment for ulcerative colitis. (Intest Res 2009;7:52-55)

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Original Articles

The Effect of 5-Aminosalicylic Acid on Renal Function in Patients with Inflammatory Bowel Disease: Kyeong Ok Kim, Byung Ik Jang, Tae Nyeun Kim, Si Hyung Lee; Intest Res 2008;6(1):45-49. Published online June 30, 2008

Abstract PDF: Background/Aims
An increasing number of case reports indicate the potential nephrotoxicity of 5-aminosalicylic acid (ASA). The aim of this study was to investigate the effect of long-term use of 5-ASA on renal function in patients with inflammatory bowel disease (IBD). Methods: The medical records of 318 patients with IBD that were treated with 5-ASA from 2001 to 2007 at Yeungnam University Hospital were reviewed. Changes in creatinine clearance (CCr), as measured by modification of diet with the renal disease study (MDRD) method, and risk factors were analyzed. Results: One-hundred patients were available for analysis. The male to female ratio was 55：45 and the mean age was 35.89±14.1 years. Fifty-eight patients were diagnosed with Crohn's disease and the other patients were diagnosed with ulcerative colitis. The mean treatment duration with 5-ASA was 2.6±2.5 years and 85 patients were treated with mesalazine and eight patients were treated with sulfasalazine. The mean baseline glomerular filtration rate (GFR) was 112.9±25.3 mL/min. The mean CCr declined to 106.3±28.3 ml/min/m² with an annual decline of 1.44 ml/min/year/m², but there was no statistically significant change in the mean CCr. Changes in the CCr were correlated with the pretreatment CCr. Conclusions: There was no statistically significant change in serum CCr. Although 5-ASA therapy in IBD patients resulted in no meaningful effect on renal function, the annual decline was within the normal range (0.4-1 mL/min/m²). Serial follow-up of GFR has significance. A large prospective study with a longer time is needed to confirm these findings. (Intest Res 2008;6:45-49)

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Role of Echocardiography for the Evaluation of Ischemic Colitis: Kyu Hyung Lee, Byung Ik Jang, Kyeong Ok Kim, Si Hyung Lee, Jae Won Choi, Youn Sun Park, Sang Hoon Lee, Jun Young Lee, Jong Ryul Eun, Tae Nyeun Kim; Intest Res 2007;5(2):165-169. Published online December 30, 2007

Abstract PDF: Background/Aims
Ischemic colitis is recognized as the most common intestinal vascular disorder, especially in the elderly. Several predisposing factors, especially a cardiac embolism, have been reported for ischemic colitis. The aims of this study were to evaluate the prevalence of cardiovascular disease and the role of echocardiography in ischemic colitis. Methods: Thirty-six patients with ischemic colitis from January 2000 to February 2007 were analyzed retrospectively. Results: The mean age of subjects was 68.8±8.4 years. The prevalence of cardiovascular disease in ischemic colitis patients was 33% (12/36 cases). There were eight ischemic heart disease cases, four valvular heart disease cases, three arrhythmia cases and one hypertrophic cardiomyopathy case. Echocardiography was performed in 21 cases; cardiovascular disease could be detected in 11/12 cases (92%) and four cases were previously unknown. Anticoagulant therapy was required in 25% of the patients. Factors influencing hospital stay were the presence of cardiovascular disease. The presence of an associated medical illness did not influence hospital stay. Conclusions: Echocardiography may be useful to evaluate predisposing factors and to determine the use of anticoagulation therapy in ischemic colitis. (Intest Res 2007;5:165-169)

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Case Report

A Case of Colonic Perforation following Colonoscopy in Collagenous Colitis: Youn Sun Park, Byung Ik Jang, Tae Nyeun Kim, Jong Ryul Eun, Jae Won Choi, Kyu Hyung Lee, Kyeong Ok Kim, Si Hyung Lee, Mi Jin Kim; Intest Res 2007;5(1):77-80. Published online June 30, 2007

Abstract PDF: Collagenous colitis is a clinicopathological syndrome characterized by: (1) chronic watery diarrhea and crampy abdominal pain and (2) thickened subepithelial collagen band and increased intraepithelial lymphocytes on histology. The mucosa generally appears endoscopically normal, although some nonspecific abnormalities such as patchy erythema, an abnormal vascular pattern or erythema may be found in upto one third of cases. Collagenous colitis is generally regarded as a benign disease and serious complication are uncommon. The frequency of colonic perforation in collagenous coliltis is unknown, but is probably very rare. Only 16 patients, excluding our cases, have so far been reported. We report a case of a 80-year-old woman with collagenous colitis who presented with colonic perforation two days after the colonoscopy. (Intest Res 2007;5:77-80)

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