Intestinal Research

Original Articles

IBD

Nonimmunity against hepatitis B virus infection in patients newly diagnosed with inflammatory bowel disease: Seong Jae Yeo, Hyun Seok Lee, Byung Ik Jang, Eun Soo Kim, Seong Woo Jeon, Sung Kook Kim, Kyeong Ok Kim, Yoo Jin Lee, Hyun Jik Lee, Kyung Sik Park, Yun Jin Jung, Eun Young Kim, Chang Heon Yang; Intest Res 2018;16(3):400-408. Published online July 27, 2018; DOI: https://doi.org/10.5217/ir.2018.16.3.400

Background/Aims

This study aimed to elucidate the prevalence of hepatitis B virus (HBV) serologic markers in Korean patients newly diagnosed with, but not yet treated for inflammatory bowel disease (IBD).

Methods

We prospectively enrolled 210 patients newly diagnosed with IBD (109 with ulcerative colitis and 101 with Crohn's disease). Hepatitis B surface antigen (HBsAg), hepatitis B surface antibody (anti-HBs), and hepatitis B core antibody (anti-HBc) levels were measured and compared with those of 1,100 sex- and age-matched controls.

Results

The prevalence of chronic HBV infection (positive HBsAg, positive anti-HBc, and negative anti-HBs results) and past infection (negative HBsAg, positive anti-HBc, and positive or negative anti-HBs results) were not significantly different between the patients and controls (chronic HBV infection: IBD, 3.8% vs. control, 4.9%, P=0.596; past infection: IBD, 26.2% vs. control, 28.8%, P=0.625). The patients with IBD aged <20 years were at a higher susceptibility risk (nonimmune) for HBV infection than the controls (IBD, 41.5% vs. control, 22.4%; P=0.018). In the multivariate analysis, an age of <20 years (P=0.024) and symptom duration of ≥12 months before diagnosis (P=0.027) were identified as independent risk factors for nonimmunity against HBV infection.

Conclusions

The patients newly diagnosed with IBD were susceptible to HBV infection. The frequency of nonimmunity was high, especially in the patients aged <20 years and those with a longer duration of symptoms before diagnosis. Therefore, it is necessary to screen for HBV serologic markers and generate a detailed vaccination plan for patients newly diagnosed with IBD.

Citations

Citations to this article as recorded by

Evolution of inflammatory bowel disease in Korea: a 60-year perspective on clinical and research development
Suk-Kyun Yang
Intestinal Research.2025; 23(3): 233. CrossRef
Prevalence of hepatitis B virus and hepatitis C virus infection in patients with inflammatory bowel disease: a systematic review and meta-analysis
Suprabhat Giri, Dhiraj Agrawal, Shivaraj Afzalpurkar, Sunil Kasturi, Amrit Gopan, Sridhar Sundaram, Aditya Kale
Intestinal Research.2023; 21(3): 392. CrossRef
Viral Hepatitis in Patients with Inflammatory Bowel Disease
Seung Hwan Shin, Sang Hyoung Park
The Korean Journal of Gastroenterology.2022; 80(2): 51. CrossRef
Vaccination strategies for Korean patients with inflammatory bowel disease
Yoo Jin Lee, Eun Soo Kim
The Korean Journal of Internal Medicine.2022; 37(5): 920. CrossRef
Management of hepatitis B virus infection in patients with inflammatory bowel disease under immunosuppressive treatment
Georgios Axiaris, Evanthia Zampeli, Spyridon Michopoulos, Giorgos Bamias
World Journal of Gastroenterology.2021; 27(25): 3762. CrossRef
Prevention and management of viral hepatitis in inflammatory bowel disease: a clinical practice guideline by the Korean Association for the Study of Intestinal Diseases
Soo-Kyung Park, Chang Hwan Choi, Jaeyoung Chun, Heeyoung Lee, Eun Sun Kim, Jae Jun Park, Chan Hyuk Park, Bo-In Lee, Yunho Jung, Dong-Il Park, Do Young Kim, Hana Park, Yoon Tae Jeen
Intestinal Research.2020; 18(1): 18. CrossRef
Evaluating Hepatitis B Seroprotection and Revaccination for Children With Inflammatory Bowel Disease
Erica J Brenner, Ravi Jhaveri, Michael D Kappelman, Ajay S Gulati
Inflammatory Bowel Diseases.2019; 25(9): e108. CrossRef
The importance of immunization in immune-mediated inflammatory disease cannot be overstated
Sang Hyoung Park
Intestinal Research.2018; 16(3): 325. CrossRef

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A wide variation of the quality of colonoscopy reporting system in the real clinical practice in southeastern area of Korea: Jung Min Lee, Yu Jin Kang, Eun Soo Kim, Yoo Jin Lee, Kyung Sik Park, Kwang Bum Cho, Seong Woo Jeon, Min Kyu Jung, Hyun Seok Lee, Eun Young Kim, Jin Tae Jung, Byung Ik Jang, Kyeong Ok Kim, Yun Jin Chung, Chang Hun Yang; Intest Res 2016;14(4):351-357. Published online October 17, 2016; DOI: https://doi.org/10.5217/ir.2016.14.4.351

Abstract PDF PubReader

Background/Aims

Establishment of a colonoscopy reporting system is a prerequisite to determining and improving quality. This study aimed to investigate colonoscopists' opinions and the actual situation of a colonoscopy reporting system in a clinical practice in southeastern area of Korea and to assess the factors predictive of an inadequate reporting system.

Methods

Physicians who performed colonoscopies in the Daegu-Gyeongbuk province of Korea and were registered with the Korean Society of Gastrointestinal Endoscopy (KSGE) were interviewed via mail about colonoscopy reporting systems using a standardized questionnaire.

Results

Of 181 endoscopists invited to participate, 125 responded to the questionnaires (response rate, 69%). Most responders were internists (105/125, 84%) and worked in primary clinics (88/125, 70.4%). Seventy-one specialists (56.8%) held board certifications for endoscopy from the KSGE. A median of 20 colonoscopies (interquartile range, 10–47) was performed per month. Although 88.8% of responders agreed that a colonoscopy reporting system is necessary, only 18.4% (23/125) had achieved the optimal reporting system level recommended by the Quality Assurance Task Group of the National Colorectal Cancer Roundtable. One-third of endoscopists replied that they did not use a reporting document for the main reasons of "too busy" and "inconvenience." Non-endoscopy specialists and primary care centers were independent predictive factors for failure to use a colonoscopy reporting system.

Conclusions

The quality of colonoscopy reporting systems varies widely and is considerably suboptimal in actual clinical practice settings in southeastern Korea, indicating considerable room for quality improvements in this field.

Citations

Citations to this article as recorded by

Association of Poor Differentiation or Positive Vertical Margin with Residual Disease in Patients with Subsequent Colectomy after Complete Macroscopic Endoscopic Resection of Early Colorectal Cancer
Ki Ju Kim, Hyun Seok Lee, Seong Woo Jeon, Sun Jin, Sang Won Lee
Gastroenterology Research and Practice.2017; 2017: 1. CrossRef
Derivation and validation of a risk scoring model to predict advanced colorectal neoplasm in adults of all ages
Hyo‐Joon Yang, Sungkyoung Choi, Soo‐Kyung Park, Yoon Suk Jung, Kyu Yong Choi, Taesung Park, Ji Yeon Kim, Dong Il Park
Journal of Gastroenterology and Hepatology.2017; 32(7): 1328. CrossRef
Screening strategy for colorectal cancer according to risk
Dong Soo Han
Journal of the Korean Medical Association.2017; 60(11): 893. CrossRef

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Is Retroflexion Helpful in Detecting Adenomas in the Right Colon?: A Single Center Interim Analysis: Hyun Seok Lee, Seong Woo Jeon; Intest Res 2015;13(4):326-331. Published online October 15, 2015; DOI: https://doi.org/10.5217/ir.2015.13.4.326

Abstract PDF PubReader ePub

Background/Aims

Colonoscopy is less effective at screening for colorectal cancer in the right side of the colon. Retroflexion during colonoscopy is expected to improve the detection rate of colorectal adenomas. The aim of the present study was to evaluate the usefulness of retroflexion in the right-sided colon.

Methods

From April to November 2013, a total of 398 patients were enrolled in this study. For each patient, a cap-assisted colonoscopic examination was performed. After cecal intubation, a forward view examination from the cecum up to the hepatic flexure was performed and all identified polyps were removed. The colonoscope was reinserted to the cecum, and a careful second forward view examination of the cecum to the hepatic flexure was performed, with removal of additionally identified polyps. The colonoscope was then reinserted to the cecum and retroflexed; a third colonoscopic examination was then performed to the hepatic flexure in retroflexion with removal of additional polyps. Total polyp numbers and characteristics were compared between the two forward view examinations and the retroflexion examination.

Results

A successful retroflexion was performed in 90.2% of patients. A total of 213 polyps and 143 adenomas were detected in the right-sided colon using the routine method of examining the right colon twice in forward view. An additional 35 polyps and 24 adenomas were detected on retroflexion. Of these 35 polyps, 27 (77.1%) were small-sized polyps (≤5 mm) and 24 (71.4%) were adenomas. Finding additional adenomas using the retroflexion technique was associated with older age.

Conclusions

Colonoscopic retroflexion is helpful in the detection of cecum and ascending colon adenomas, especially small-sized adenomas (≤5 mm). It is particularly useful in older patients.

Citations

Citations to this article as recorded by

Comparison in the development of colorectal cancer after screening colonoscopy between elderly and younger population
Kazuki Yamamoto, Takashi Ikeya, Katsuyuki Fukuda, Daiki Kobayashi
European Journal of Cancer Prevention.2022; 31(6): 505. CrossRef
Success, safety, and usefulness of right colon retroflexion for the detection of additional colonic lesions not visualized with standard frontal view
Oscar Nogales, Jon de la Maza, Esperanza Martos, Laura Carrión, Rodrigo Borobia, Luis Lucendo, María López-Ibáñez, Javier García-Lledó, Leticia Pérez-Carazo, Beatriz Merino
Surgical Endoscopy.2021; 35(2): 620. CrossRef
Impact of second forward-view examination on adenoma detection rate during unsedated colonoscopy: a randomized controlled trial
Keshu Shan, Hongpeng Lu, Zhixin Zhang, Jiarong Xie, Lu Xu, Weihong Wang, Chunjiu Hu, Lei Xu
BMC Gastroenterology.2021;[Epub] CrossRef
Colonoscopy screening and surveillance guidelines
Yutaka Saito, Shiro Oka, Takuji Kawamura, Ryo Shimoda, Masau Sekiguchi, Naoto Tamai, Kinichi Hotta, Takahisa Matsuda, Masashi Misawa, Shinji Tanaka, Yosuke Iriguchi, Ryoichi Nozaki, Hironori Yamamoto, Masahiro Yoshida, Kazuma Fujimoto, Haruhiro Inoue
Digestive Endoscopy.2021; 33(4): 486. CrossRef
Magnitude, Risk Factors, and Factors Associated With Adenoma Miss Rate of Tandem Colonoscopy: A Systematic Review and Meta-analysis
Shengbing Zhao, Shuling Wang, Peng Pan, Tian Xia, Xin Chang, Xia Yang, Liliangzi Guo, Qianqian Meng, Fan Yang, Wei Qian, Zhichao Xu, Yuanqiong Wang, Zhijie Wang, Lun Gu, Rundong Wang, Fangzhou Jia, Jun Yao, Zhaoshen Li, Yu Bai
Gastroenterology.2019; 156(6): 1661. 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
Ileal intubation is not associated with higher detection rate of right-sided conventional adenomas and serrated polyps compared to cecal intubation after adjustment for overall adenoma detection rate
Martin Buerger, Philipp Kasper, Gabriel Allo, Johannes Gillessen, Christoph Schramm
BMC Gastroenterology.2019;[Epub] 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
Parameters of Glucose and Lipid Metabolism Affect the Occurrence of Colorectal Adenomas Detected by Surveillance Colonoscopies
Nam Hee Kim, Jung Yul Suh, Jung Ho Park, Dong Il Park, Yong Kyun Cho, Chong Il Sohn, Kyuyong Choi, Yoon Suk Jung
Yonsei Medical Journal.2017; 58(2): 347. CrossRef
Metformin use and the risk of colorectal adenoma: A systematic review and meta‐analysis
Yoon Suk Jung, Chan Hyuk Park, Chang Soo Eun, Dong Il Park, Dong Soo Han
Journal of Gastroenterology and Hepatology.2017; 32(5): 957. CrossRef
Risk factors of missed colorectal lesions after colonoscopy
Jeonghun Lee, Sung Won Park, You Sun Kim, Kyung Jin Lee, Hyun Sung, Pil Hun Song, Won Jae Yoon, Jeong Seop Moon
Medicine.2017; 96(27): e7468. CrossRef
Identifying the optimal strategy for screening of advanced colorectal neoplasia
Yoon Suk Jung, Chan Hyuk Park, Nam Hee Kim, Jung Ho Park, Dong Il Park, Chong Il Sohn
Journal of Gastroenterology and Hepatology.2017; 32(5): 1003. CrossRef
Impact of cap-assisted colonoscopy on detection of proximal colon adenomas: systematic review and meta-analysis
Madhav Desai, Andre Sanchez-Yague, Abhishek Choudhary, Asad Pervez, Neil Gupta, Prashanth Vennalaganti, Sreekar Vennelaganti, Alessandro Fugazza, Alessandro Repici, Cesare Hassan, Prateek Sharma
Gastrointestinal Endoscopy.2017; 86(2): 274. CrossRef
Risk Factors for False Fecal Immunochemical Test Results in Colorectal Cancer Screening
Nam Hee Kim, Jung Ho Park, Dong Il Park, Chong Il Sohn, Kyuyong Choi, Yoon Suk Jung
Journal of Clinical Gastroenterology.2017; 51(2): 151. CrossRef
Are Hemorrhoids Associated with False-Positive Fecal Immunochemical Test Results?
Nam Hee Kim, Jung Ho Park, Dong Il Park, Chong Il Sohn, Kyuyong Choi, Yoon Suk Jung
Yonsei Medical Journal.2017; 58(1): 150. CrossRef
Association Between Low Relative Muscle Mass and the Risk of Colorectal Neoplasms
Yoon Suk Jung, Nam Hee Kim, Seungho Ryu, Jung Ho Park, Dong Il Park, Chong Il Sohn
Journal of Clinical Gastroenterology.2017; 51(10): e83. CrossRef
Metabolic syndrome is a risk factor for adenoma occurrence at surveillance colonoscopy
Nam Hee Kim, Jung Ho Park, Dong Il Park, Chong Il Sohn, Kyuyong Choi, Yoon Suk Jung
Medicine.2016; 95(32): e4454. CrossRef
Asymptomatic anisakiasis of the colon incidentally diagnosed and treated during colonoscopy by retroflexion in the ascending colon
Mamiko Tsukui, Naoki Morimoto, Hidekazu Kurata, Fumiko Sunada
Journal of Rural Medicine.2016; 11(2): 73. CrossRef
Identifying the ‘Right’ colon lesion
A D Hopper, P D Mooney, A Blakeborough
Gut.2016; 65(12): 1959. CrossRef
Does Low Threshold Value Use Improve Proximal Neoplasia Detection by Fecal Immunochemical Test?
Nam Hee Kim, Hyo-Joon Yang, Soo-Kyung Park, Jung Ho Park, Dong Il Park, Chong Il Sohn, Kyuyong Choi, Yoon Suk Jung
Digestive Diseases and Sciences.2016; 61(9): 2685. CrossRef

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Is the Environment of the Endoscopy Unit a Reservoir of Pathogens?: Eun Sung Choi, Jae Hyuk Choi, Jung Min Lee, Sang Min Lee, Yoo Jin Lee, Yu Jin Kang, Eun Soo Kim, Kwang Bum Cho, Kyung Sik Park, Byoung Kuk Jang, Jae Seok Hwang, Woo Jin Chung, Nam Hee Ryoo, Seong Woo Jeon, Min Kyu Jung; Intest Res 2014;12(4):306-312. Published online October 27, 2014; DOI: https://doi.org/10.5217/ir.2014.12.4.306

Abstract PDF PubReader ePub

Background/Aims

Given the characteristic procedures involved in the endoscopy unit, the spread of pathogens is much more frequent in this unit than in other environments. However, there is a lack of data elucidating the existence of pathogens in the endoscopy unit. The aim of this study was to detect the presence of possible pathogens in the endoscopy unit.

Methods

We performed environmental culture using samples from the endoscopy rooms of 2 tertiary hospitals. We used sterile cotton-tipped swabs moistened with sterile saline to swab the surfaces of 197 samples. Then, we cultured the swab in blood agar plate. Samples from the colonoscopy room were placed in thioglycollate broth to detect the presence of anaerobes. After 2 weeks of culture period, we counted the colony numbers.

Results

The most commonly contaminated spots were the doctor's keyboard, nurse's cart, and nurse's mouse. The common organisms found were non-pathogenic bacterial microorganisms Staphylococcus, Micrococcus, and Streptococcus spp.. No definite anaerobe organism was detected in the colonoscopy room.

Conclusions

Although the organisms detected in the endoscopy unit were mainly non-pathogenic organisms, they might cause opportunistic infections in immunocompromised patients. Therefore, the environment of the endoscopy room should be managed appropriately; moreover, individual hand hygiene is important for preventing possible hospital-acquired infections.

Citations

Citations to this article as recorded by

Speech Recognition System Generates Highly Accurate Endoscopic Reports in Clinical Practice
Hiroshi Takayama, Toshitatsu Takao, Ryo Masumura, Yoshikazu Yamaguchi, Ryo Yonezawa, Hiroya Sakaguchi, Yoshinori Morita, Takashi Toyonaga, Kazutaka Izumiyama, Yuzo Kodama
Internal Medicine.2023; 62(2): 153. CrossRef
What’s on your keyboard? A systematic review of the contamination of peripheral computer devices in healthcare settings
Nicole Ide, Bianca K Frogner, Cynthia M LeRouge, Patrick Vigil, Matthew Thompson
BMJ Open.2019; 9(3): e026437. CrossRef
Addressing Bacterial Surface Contamination in Radiology Work Spaces
Alexander Harvin, Kyle VanMiddlesworth, Jonathan Botstein, Robert Hazelrigg, Jeanne Hill, Paul Thacker
Journal of the American College of Radiology.2016; 13(10): 1271. CrossRef

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Case Report

A Pityrosporum Fungal Infection Following Infliximab Therapy in a Crohn's Disease Patient: Keun Young Shin, Jun Heo, Min Kyu Jung, Seong Woo Jeon, Sung Kook Kim; Intest Res 2010;8(2):177-180. Published online December 30, 2010; DOI: https://doi.org/10.5217/ir.2010.8.2.177

Abstract PDF: Crohn's disease (CD) is a chronic immune-mediated inflammatory disorder. Treatment strategies for CD are targeted toward various components of the proinflammatory mediators and subsequent immune response. Recently, the anti-tumor necrosis factor (TNF) monoclonal antibody, infliximab has been used in patients with CD. However, uncommon and unusual infections have been reported during anti-TNF-Ձ therapy and immunomodulator. Here, we report a case of pityriasis versicolor occurring in a patient with CD receiving infliximab treatment. The patient was successfully treated with topical ketoconazole. (Intest Res 2010;8:177-180)

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