- Miscellaneous
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Melatonin in the colon modulates intestinal microbiota in response to stress and sleep deprivation
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Young Sook Park, Soo Hyung Kim, Jong Won Park, Younglim Kho, Pu Rum Seok, Jae-Ho Shin, Yoon Ji Choi, Jin-Hyun Jun, Hee Chan Jung, Eun Kyung Kim
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Intest Res 2020;18(3):325-336. Published online June 23, 2020
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DOI: https://doi.org/10.5217/ir.2019.00093
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Abstract
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- Background/Aims
Stress is closely related to the deterioration of digestive disease. Melatonin has potent anti-inflammatory properties. The objective of this study was to determine the effect of water stress (WS) and sleep deprivation (SD) on intestinal microbiota and roles of melatonin in stressful condition.
Methods We used C57BL/6 mice and specially designed water bath for stress and SD for 10 days. We measured melatonin concentrations in serum, feces, and colon tissues by high-performance liquid chromatography. Genomic DNA was extracted from feces and amplified using primers targeting V3 to V4 regions of bacterial 16S ribosomal RNA genes.
Results Compared to the control, melatonin concentration was lower in the WS and SD. Fecal concentration was 0.132 pg/mL in control, 0.062 pg/mL in WS, and 0.068 pg/mL in SD. In colon tissue, it was 0.45 pg/mL in control, 0.007 pg/mL in WS, and 0.03 pg/mL in SD. After melatonin treatment, melatonin concentrations in feces and colon tissue were recovered to the level of control. Metagenomic analysis of microbiota showed abundance in colitogenic microbiota in WS and SD. Melatonin injection attenuated this harmful effect. WS and SD showed decreased Lactobacillales and increased Erysipelotrichales and Enterobacteriales. Melatonin treatment increased Akkermansia muciniphila and Lactobacillus and decreased Bacteroides massiliensis and Erysipelotrichaceae.
Conclusions This study showed that stress and SD could affect intestinal dysbiosis and increase colitogenic microbiota, which could contribute to the aggravating digestive disease. Melatonin concentrations in feces and colon tissue decreased under WS and SD. Melatonin treatment brought recovery of melatonin concentration in colon tissue and modulating dysbiosis of intestinal microbiota.
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A new opportunity for innovative inflammatory bowel disease research: the moderate-to-severe ulcerative colitis
in Korea (MOSAIK) cohort study
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Chang Kyun Lee, Kang-Moon Lee, Dong Il Park, Sung-Ae Jung, Yoon Tae Jeen, Young Sook Park, Hyo Jong Kim, the MOSAIK study group of the Korean Association for the Study of Intestinal Diseases (KASID)
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Intest Res 2019;17(1):1-5. Published online January 25, 2019
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DOI: https://doi.org/10.5217/ir.2019.00005
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Shin Ju Oh, Chang Hwan Choi, Sung-Ae Jung, Geun Am Song, Yoon Jae Kim, Ja Seol Koo, Sung Jae Shin, Geom Seog Seo, Kang-Moon Lee, Byung Ik Jang, Eun Suk Jung, Youngdoe Kim, Chang Kyun Lee Gut and Liver.2025; 19(2): 253. CrossRef - Effectiveness of Early Thiopurine Use in Korean Patients With Moderate-to-Severe Ulcerative Colitis
Hye Kyung Hyun, Ji Won Kim, Jun Lee, Yoon Tae Jeen, Tae-Oh Kim, Joo Sung Kim, Jae Jun Park, SungNoh Hong, Dong Il Park, Hyun-Soo Kim, YooJin Lee, Eun Suk Jung, Youngdoe Kim, Su Young Jung, Jae Hee Cheon Journal of Clinical Gastroenterology.2024;[Epub] CrossRef - Clinical importance of weight gain and associated factors in patients with moderate to severe ulcerative colitis: results from the MOSAIK cohort in Korea
Hyuk Yoon, Young Soo Park, Jeong Eun Shin, Byong Duk Ye, Chang Soo Eun, Soon Man Yoon, Jae Myung Cha, You Sun Kim, Kyu Chan Huh, Young Sook Park, Jae Hee Cheon, Eun Suk Jung, Youngdoe Kim, Su Young Jung BMC Gastroenterology.2023;[Epub] CrossRef - Infliximab versus Adalimumab: Can We Choose the Right One for the Right Patients with Ulcerative Colitis?
Sang Hyoung Park, Byong Duk Ye, Suk-Kyun Yang Gut and Liver.2022; 16(1): 138. CrossRef - Quality of Life in Newly Diagnosed Moderate-to-Severe Ulcerative Colitis: Changes in the MOSAIK Cohort Over 1 Year
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Jung Won Lee Gut and Liver.2022; 16(3): 317. CrossRef - Early course of newly diagnosed moderate‐to‐severe ulcerative colitis in Korea: Results from a hospital‐based inception cohort study (MOSAIK)
Jin Young Yoon, Jae Myung Cha, Chang Kyun Lee, Young Sook Park, Kyu Chan Huh, Jeong Eun Shin, You Sun Kim, Chang Soo Eun, Soon Man Yoon, Jae Hee Cheon, Young Soo Park, Byong Duk Ye, YoungJa Lee, Youngdoe Kim, Hyo Jong Kim Journal of Gastroenterology and Hepatology.2021; 36(8): 2149. CrossRef - Real-World Incidence of Suboptimal Response to Anti-Tumor Necrosis Factor Therapy for Ulcerative Colitis: A Nationwide Population-Based Study
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Gastric lesions in patients with Crohn's disease in Korea: a multicenter study
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Hoonsub So, Byong Duk Ye, Young Soo Park, Jihun Kim, Joo Sung Kim, Won Moon, Kang-Moon Lee, You Sun Kim, Bora Keum, Seong-Eun Kim, Kyeong Ok Kim, Eun Soo Kim, Chang Kyun Lee, Sung Pil Hong, Jong Pil Im, Ja Seol Koo, Chang Hwan Choi, Jeong Eun Shin, Bo In Lee, Kyu Chan Huh, Young-Ho Kim, Hyun-Soo Kim, Young Sook Park, Dong Soo Han
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Intest Res 2016;14(1):60-68. Published online January 26, 2016
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DOI: https://doi.org/10.5217/ir.2016.14.1.60
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Abstract
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- Background/Aims
Gastric pathology and Helicobacter pylori (H. pylori) infection among Asian patients with Crohn's disease (CD) are still unclear. We evaluated gastric histologic features and frequency of H. pylori infection in Korean patients with CD. MethodsAmong 492 patients with CD receiving upper gastrointestinal (GI) endoscopic evaluation in 19 Korean hospitals, we evaluated the endoscopic findings and gastric histopathologic features of 47 patients for our study. Histopathologic classification was performed using gastric biopsy tissues, and H. pylori infection was determined using the rapid urease test and histology. ResultsThere were 36 men (76.6%), and the median age of patients at the time of upper GI endoscopy was 23.8 years (range, 14.2–60.5). For CD phenotype, ileocolonic disease was observed in 38 patients (80.9%), and non-stricturing, non-penetrating disease in 31 patients (66.0%). Twenty-eight patients (59.6%) complained of upper GI symptoms. Erosive gastritis was the most common gross gastric feature (66.0%). Histopathologically, H. pylori-negative chronic active gastritis (38.3%) was the most frequent finding. H. pylori testing was positive in 11 patients (23.4%), and gastric noncaseating granulomata were detected in 4 patients (8.5%). Gastric noncaseating granuloma showed a statistically significant association with perianal abscess/fistula (P=0.0496). ConclusionsH. pylori-negative chronic active gastritis appears to be frequent among Korean patients with CD. The frequency of H. pylori infection was comparable with previous studies. An association with perianal complications suggests a prognostic value for gastric noncaseating granuloma in patients with CD.
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Increased Risk of Asymptomatic Gallstones in Patients With Ulcerative Colitis
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Jung Hoon Ha, Young Sook Park, Choon Sik Seon, Byung Kwan Son, Sang Bong Ahn, Young Kwan Jo, Seong Hwan Kim, Yun Ju Jo, Jung Hwan Kim, Jee Hye Han, Yoon Young Jung, Sook Hee Chung
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Intest Res 2015;13(2):122-127. Published online April 27, 2015
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DOI: https://doi.org/10.5217/ir.2015.13.2.122
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Abstract
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- Background/Aims
The relationship between Crohn's disease and gallstones is established. However, the prevalence and risk factors for gallstones in patients with ulcerative colitis (UC) are not yet well understood. The aim of this study was to evaluate the prevalence and risk factors of gallstones in patients with UC. MethodsThis study was a retrospective single center study. A total of 87 patients with UC and 261 healthy controls were enrolled. Age, sex, and body mass index were matched. To investigate risk factors, the extent of UC, duration of disease, number of hospital admissions, and number of steroid treatments in patients with UC were evaluated. ResultsThe prevalence of gallstones in patients with UC was 13.8%, whereas that in healthy controls was only 3.1% (P<0.001). For patients with UC, patients ≥50 years of age had a 3.6-times higher risk of gallstones compared to that in those <50 years of age, and the difference was statistically significant (odds ratio, 3.60; confidence interval, 1.03-12.61) in univariate analysis. There were no statistically significant disease-related risk factors for gallstones in UC patients. ConclusionsThis is the first study of gallstone prevalence in Korean UC patients. In this study, patients with UC had a higher prevalence of gallstones compared to that in well-matched healthy controls. Age seemed to be a possible risk factor, and more studies are needed. Further prospective, large-scale studies will be required to confirm the risk factors for gallstones in UC patients.
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Yo Han Jeong, Kyeong Ok Kim, Ho Chan Lee, Se Hoon Sohn, Jung Woo Lee, Si Hyung Lee, Byung Ik Jang, Tae Nyeun Kim Medicine.2017; 96(31): e7653. CrossRef - The Risk of Gallstone Disease Following Colectomy for Ulcerative Colitis
Cong Dai, Min Jiang, Ming-Jun Sun American Journal of Gastroenterology.2017; 112(7): 1165. CrossRef - Risk factors for gallstones and kidney stones in a cohort of patients with inflammatory bowel diseases
Stefania Fagagnini, Henriette Heinrich, Jean-Benoît Rossel, Luc Biedermann, Pascal Frei, Jonas Zeitz, Marianne Spalinger, Edouard Battegay, Lukas Zimmerli, Stephan R. Vavricka, Gerhard Rogler, Michael Scharl, Benjamin Misselwitz, John Green PLOS ONE.2017; 12(10): e0185193. CrossRef
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Alcohol Drinking Increased the Risk of Advanced Colorectal Adenomas
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Yoon Kyung Song, Young Sook Park, Choon Sik Seon, Hye Jin Lim, Byung Kwan Son, Sang Bong Ahn, Young Kwan Jo, Seong Hwan Kim, Yun Ju Jo, Ji Hyun Lee, Seung Chan Kim
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Intest Res 2015;13(1):74-79. Published online January 29, 2015
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DOI: https://doi.org/10.5217/ir.2015.13.1.74
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- Background/Aims
Age, sex, gene and life style are modulating risks for colon cancer. Although alcohol intake may impact on colorectal adenoma, clear association has not been established yet. We aimed to investigate effects of alcohol consumption on the characteristics of colorectal adenoma. MethodsPatients who underwent colonoscopic polypectomy of colorectal adenoma in the department of gastroenterology of Eulji hospital through 2005 to 2012, having both blood tests and ultrasound or abdominal CT examination were enrolled. The alcohol drinking patients were subdivided into normal or abnormal laboratory group, and alcoholic liver diseases group. Results212 patients with colorectal adenoma were analyzed; advanced adenoma and multiple adenoma were found in 68 (32.0%) and 79 (37.2%) patients. When compared to the nondrinker group (120/212 patients), the alcohol drinker group (92/212 patients) represented significantly high odds ratios (ORs) for advanced adenoma (OR, 2.697; P=0.002), and multiple adenoma (OR, 1.929; P=0.039). Among alcohol drinker (92 patients), the ORs of advanced adenoma were 6.407 (P=0.003) in alcoholic liver diseases group (17 patients), 3.711 (P=0.002) in the alcohol drinker with abnormal lab (24 patients), and 2.184 (P=0.034), in the alcohol drinker with normal lab (51 patients) compared to nondrinker group. ConclusionsThis study showed that alcohol drinking may influence on the development of advanced colorectal adenoma and multiplicity. Especially in the group with alcoholic liver diseases and with abnormal lab presented significantly higher ORs of advanced adenoma.
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Doratha A Byrd, Suzanne E Judd, W Dana Flanders, Terryl J Hartman, Veronika Fedirko, Tanya Agurs-Collins, Roberd M Bostick JNCI Cancer Spectrum.2020;[Epub] CrossRef - Adenoma Characteristics and the Influence of Alcohol and Cigarette Consumption on the Development of Advanced Colorectal Adenomas
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Refractory Duodenal Crohn's Disease Successfully Treated with Infliximab
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You Lim Kim, Young Sook Park, Eun Kyoung Park, Dae Rim Park, Gyu Sik Choi, Sang Bong Ahn, Seong Hwan Kim, Yun Ju Jo
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Intest Res 2014;12(1):66-69. Published online January 28, 2014
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DOI: https://doi.org/10.5217/ir.2014.12.1.66
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Abstract
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Crohn's disease (CD) may involve any part of the gastrointestinal tract, from the mouth to the anus. Approximately >90% of cases occur in the small bowel and colon. Upper gastrointestinal involvement, especially duodenal manifestation, is relatively rare. Therefore, adequate medical treatment for duodenal CD has not yet been established. We report a case of CD with duodenal involvement. A 46-year-old man with Crohn's ileocolitis presented to our hospital with right upper quadrant pain. An endoscopy showed a deep excavated ulcer with deformity at the duodenal bulb, and he was initially treated with azathioprine (1 mg/kg), Pentasa (3.0 g/day), and a proton pump inhibitor for 1 year. However, the deep ulcer did not heal. Therefore, infliximab infusion therapy was initiated, and the duodenal lesion completely resolved on follow-up esophagogastroduodenoscopy. We report a case of duodenal CD that completely resolved following infliximab infusion, with a review of the literature.
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- Duodenal Crohn’s disease: Case report and systematic review
Muniratu Amadu, Jonathan Soldera World Journal of Methodology.2024;[Epub] CrossRef - An Obscure Presence of Gastroduodenal Involvement in a Newly Diagnosed Ileocolonic Crohn’s Disease Patient
Clive Jude Miranda, Murad Hayatt Ali, Muddasir Ayaz, Yousef Soofi, Thomas Christopher Mahl, Hirotada Akiho Case Reports in Gastrointestinal Medicine.2022; 2022: 1. CrossRef - Challenges in Crohn's disease: Crohn's disease involving the duodenum
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Keren L. Appel, Linda Wang, Dong Xi, Vrinda Bhardwaj JPGN Reports.2020; 1(2): e003. CrossRef - Crohn’s disease of esophagus, stomach and duodenum
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Amy L Lightner Inflammatory Bowel Diseases.2018; 24(3): 546. CrossRef - The Association of Coloproctology of Great Britain and Ireland consensus guidelines in surgery for inflammatory bowel disease
S. R. Brown, N. S. Fearnhead, O. D. Faiz, J. F. Abercrombie, A. G. Acheson, R. G. Arnott, S. K. Clark, S. Clifford, R. J. Davies, M. M. Davies, W. J. P. Douie, M. G. Dunlop, J. C. Epstein, M. D. Evans, B. D. George, R. J. Guy, R. Hargest, A. B. Hawthorne, Colorectal Disease.2018; 20(S8): 3. CrossRef - The endoscopic findings of the upper gastrointestinal tract in patients with Crohn’s disease
Yoshiki Nomura, Kentaro Moriichi, Mikihiro Fujiya, Toshikatsu Okumura Clinical Journal of Gastroenterology.2017; 10(4): 289. CrossRef
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Duodenal Diverticulitis Due to Impacted Foreign Body: Enteroscopic Diagnosis and Treatment
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Seung Mo Kang, Yunju Jo, Young Kwan Cho, Sang Bong Ahn, Seong Hwan Kim, Young Sook Park
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Intest Res 2011;9(3):243-246. Published online December 30, 2011
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DOI: https://doi.org/10.5217/ir.2011.9.3.243
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- Duodenal diverticulitis is a rare complication of the duodenal diverticulum. Its rarity is due to the relatively large diameter of the duodenum, which makes the intraluminal flow of sterile liquid duodenal contents fluent. Additionally, nonspecific signs and symptoms of duodenal diverticulitis make it very difficult to diagnose properly. We describe a patient presenting with abdominal pain, nausea, and leukocytosis, with diverticulitis of the third portion of the duodenum caused by the impaction of a foreign body, who was diagnosed and treated with enteroscopy. (Intest Res 2011;9:243-246)
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The Effect of Sleep Disturbances and Melatonin in Inflammatory Bowel Disease
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Young Sook Park
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Intest Res 2011;9(2):85-89. Published online August 30, 2011
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DOI: https://doi.org/10.5217/ir.2011.9.2.85
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- Inflammatory bowel disease (IBD) is an idiopathic condition which increases and decreases in intensity and results in a poor quality of life for those afflicted. Advances in the molecular machinery of the circadian clock, and the discovery of clock genes in the gastrointestinal tract have led to an increase in research into the role of sleep in IBD. Altering circadian rhythm significantly worsens the development of colitis in animal models, and preliminary human studies have shown that patients with IBD are at increased risk for sleep disruption. Melatonin, a hormone and marker of the central circadian clock, has been shown to be protective in animal models of colitis and there are several anecdotal findings of melatonin supplementation alleviating ulcerative colitis. Further human studies are needed to determine the effect of sleep disorders on IBD and whether supplemental melatonin can be used to reverse sleep disturbances and mucosal inflammation. (Intest Res 2011;9:85-89)
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Cyclooxgenase-2 Expression in Chronic Inflammatory Bowel Disease: Comparing of Immunohistochemical Stain to Real-time PCR
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Young Sook Park, Nam In Kim, Jun Seok Lee, Jeoung Ho Choi, Chae Young Im, Dae Won Jun, Yun Ju Jo, Seung Hwan Kim, Byung Kwan Son, Won Mee Lee, Eun Kyoung Kim
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Intest Res 2008;6(2):128-134. Published online December 30, 2008
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Abstract
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- Background/Aims
This study compared the results of cyclooxygenase-2 (COX-2) expression in inflammatory bowel disease and tuberculous colitis as evident by immunochemical staining and real time polymerase chain reaction (PCR). Methods: Patients with ulcerative colitis (n=18), Crohn's disease (n=7), tuberculous colitis (n=7) and 10 normal controls were included. Biopsied colonic mucosa was simultaneously used for immunohistochemical staining and real time PCR. Results: Patients with inflammatory bowel disease and tuberculous colitis showed high COX-2 expression by both methods compared to the normal controls. In Crohn's disease patients, the real time PCR value correlated well staining grade; this correlation was not evident in ulcerative colitis patients. In real time PCR, grossly normal colonic mucosa in ulcerative colitis also showed higher expression of COX-2 than normal mucosa. Conclusions: Real time PCR value of COX-2 is more representative of inflammation state in inflammatory bowel disease than the value from immunohistochemical staining. (Intest Res 2008;6:128-134)
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A Case of Ulcerative Colitis with Prolonged Remission Following Azathioprine-Induced Pancytopenia
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Jun Seok Lee, Young Sook Park, Nam In Kim, Yoon Ju Jo, Seung Hwan Kim, Han Hyo Lee, Moon Hee Song, Dae Won Jun
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Intest Res 2008;6(1):85-89. Published online June 30, 2008
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- Azathioprine (AZA) is widely used for the treatment of inflammatory bowel disease. Bone marrow suppression is a common side effect with AZA treatment. However, data from AZA trials has indicated that a leukocyte count less than 5,000/mm3 was a good predictor of induction and maintenance of remission. Moreover, there is evidence that eradication of sensitized leukocytes by leukapheresis or bone marrow transplantation improves inflammatory bowel disease. We report a case of a patient who had a chronic relapse of ulcerative colitis requiring the frequent use of systemic steroids, but presented prolonged remission following AZA-induced severe pancytopenia. Also colonoscopy showed accelerated healing of diffuse active ulcers following just recovery from pancytopenia. (Intest Res 2008;6:85-89)
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