Education

• 연수 (2001-2002): Harvard Medical School, Beth Israel Deaconess Medical Center(IBD Center)
• 박사 (1991-1997): 고려대학교 의과대학 의학과
• 석사 (1989-1991): 고려대학교 의과대학 의학과
• 학사 (1982-1988): 고려대학교 의과대학 의학과

Professional Experiences

• 현재 : 고려대학교 의과대학 소화기내과 교수
• 현재 : 고려대학교 의과대학 소화기학 책임교수
• 현재 : 고려대학교병원 소화기내과 과장
• 현재 : 고려대학교병원 내과 과장
• 2012-2013 : 고려대학교병원 교육수련위원장
• 2010-2012 : 고려대학교병원 종합검진센터 소장
• 2006-2008 : 고려대학교병원 적정진료관리위원장

수상 경력

• Travel Grant Award, Vienna Austria, UEGW 2008
• Young Investigator Award, Hong Kong China, APPDW 2000

학회 활동

• 미국 소화기학회 정회원(American Gastroenterologic Association: AGA)
• 미국 소화기학회 휄로우(AGA, Fellow, AGAF)
• 미국 소화기학회 Academy of Educator 선임(AGA, Academy of Educators)
• Gut and Liver(SCIE), Associate editor
• Harvard University MRCT DSMB Qualified Member
• AOCC(Asian Organization for Crohn's and Colitis) Clinical Research Committee Member
• Congress President for Annual Meeting of AOCC 2017
• AOCC Governing Board Member
• 대한내과학회 소화기분과위원회 간사
• 대한소화기내시경학회 부총무이사
• 대한소화기내시경학회 소장내시경연구회 위원장
• 대한소화기내시경학회 내시경질관리이사
• 대한소화기내시경학회 자격심사이사
• 대한소화기내시경학회 학술이사
• 대한소화기내시경학회 재단이사
• 대한소화기학회 편집이사
• 대한장연구학회 학술이사
• 대한장연구학회 총무이사
• 대한장연구학회 부회장
• 대한장연구학회 회장

Leadership Experience

• 건강보험심사평가원 신기술개발심사위원
• 한국보건산업진흥연구원 PM 운영위원
• 보건복지부 국민연금재심사위원회 의학자문단 위원
• 보건복지부 신의료기술평가위원회 전문평가위원
• 기관생명윤리위원회 평가인증사업단 평가위원
• 식품의약품안전처 중앙약사심의위원회 자문위원
• 식약처 식품의약품안전평가원 의약품심사자문단
• 국가암검진 질관리위원회 대장암분과위원
• 국가암검진 검진기관 평가자문반 위원
• 한국보건의료연구원 연구기획자문위원
• Reviewer, Gastroenterology
• Reviewer, Clinical Gastroenterology and Hepatology
• Reviewer, Cellular and Molecular Gastroenterology and Hepatology
• Reviewer, Digestive Disease and Science
• Global leadership training for JCI Accreditation(2006,Chicago,USA)
• Member, Massachusett Medical Society
• ICF research surveyor of WHO
• Marquis Who's Who Publication Board in Science(2008 - 현재)

• 2018  Association of Perianal Fistulas with Clinical Features and Prognosis of Crohn's Disease in Korea: Results from the CONNECT Study (Gut Liver, 2018 Epub)


• 2018  Ursodeoxycholic acid attenuates 5-fluorouracil-induced mucositis in a rat model (Oncol Lett, 16(2): 2585-2590)


• 2018  Diagnostic Benefit of Simultaneous Capsule Endoscopy Using Two Different Systems (Gastroenterol Res Pract, 2018:9798546)


• 2018  Identification of novel susceptibility loci associated with hepatitis B surface antigen seroclearance in chronic hepatitis B (PLoS One, 13(7):e0199094)


• 2018  Revision of Quality Indicators for the Endoscopy Quality Improvement Program of the National Cancer Screening Program in Korea (Clin Endosc, 51(3):239-252)


• 2018  [Revision of Quality Indicators for the Endoscopy Quality Improvement Program of the National Cancer Screening Program in Korea] (Korean J Gastroenterol, 71(5):269-281)


• 2018  Efficacy and safety of etomidate-midazolam for screening colonoscopy in the elderly: A prospective double-blinded randomized controlled study (Medicine, 97(20):e10635)


• 2018 Anti-integrin therapy for inflammatory bowel disease (World J Gastroenterol, 24(17):1868-1880)


• 2018 T-cell immune response against cytomegalovirus in peripheral blood and colonic mucosa from ulcerative colitis and Crohn's disease patients (Intest Res, 16(1):160-162)


• 2018 Quality is the key for emerging issues of population-based colonoscopy screening (Intest Res, 16(1):48-54)


• 2018 Asian Organization for Crohn's and Colitis and Asia Pacific Association of Gastroenterology consensus on tuberculosis infection in patients with inflammatory bowel disease receiving anti-tumor necrosis factor treatment. Part 2: management (Intest Res, 16(1):17-25)


• 2018 Asian Organization for Crohn's and Colitis and Asia Pacific Association of Gastroenterology consensus on tuberculosis infection in patients with inflammatory bowel disease receiving anti-tumor necrosis factor treatment. Part 1: risk assessment (Intest Res. 16(1):4-16)


• 2018 Slow-Pull Using a Fanning Technique Is More Useful Than the Standard Suction Technique in EUS-Guided Fine Needle Aspiration in Pancreatic Masses (Gut Liver, 12(3):360-366)


• 2018 Intraductal papillary bile duct adenocarcinoma and gastrointestinal stromal tumor in a case of neurofibromatosis type 1 (World J Gastroenterol, 24(4):537-542)


• 2018 A promising Forcep Strip Method for gastrointestinal subepithelial tumors originating from the muscularis propria (Dig Liver Dis, 50(4):360-365)


• 2018 Quality is the Key for Emerging Issues of Population-Based Colonoscopy Screening (Clin Endosc, 51(1):50-55)


• 2018 [Quality is the Key for Emerging Issues of Population-based Colonoscopy Screening] (Korean J Gastroenterol, 71(1):3-9)


• 2018 Asian Organization for Crohn's and Colitis and Asia Pacific Association of Gastroenterology consensus on tuberculosis infection in patients with inflammatory bowel disease receiving anti-tumor necrosis factor treatment. Part 2: Management (J Gastroenterol Hepatol, 33(1):30-36)


• 2018 Asian Organization for Crohn's and Colitis and Asian Pacific Association of Gastroenterology consensus on tuberculosis infection in patients with inflammatory bowel disease receiving anti-tumor necrosis factor treatment. Part 1: Risk assessment (J Gastroenterol Hepatol, 33(1):20-29)


• 2018 Is There a Change in Patient Preference for a Female Colonoscopist during the Last Decade in Korea? (Clin Endosc, 51(1):72-79)


• 2017 The safety and effectiveness of 2-liter polyethylene glycol plus ascorbic acid in patients with liver cirrhosis: A retrospective observational study (Medicine, 96(51):e9011)


• 2017 Successful access to the ampulla for endoscopic retrograde cholangiopancreatography in patients with situs inversus totalis: a case report (BMC Surg, 17(1):112)


• 2017 Patients' Preferences for Primary Colorectal Cancer Screening: A Survey of the National Colorectal Cancer Screening Program in Korea (Gut Liver, 11(6):821-827)


• 2017 Gastric Perforation Caused by an Intragastric Balloon: Endoscopic Findings (Clin Endosc, 50(6):602-604)


• 2017 Approach to cytomegalovirus infections in patients with ulcerative colitis (Korean J Intern Med, 32(3):383-392)


• 2017 Unusual Submucosal Tumor in the Rectosigmoid Colon (Clin Gastroenterol Hepatol, 15(11):e163-e164)


• 2017 Selenium Administration Attenuates 5-Flurouracil-Induced Intestinal Mucositis. (Nutr Cancer, 69(4):616-622)


• 2017 Expression of Hepatocyte Hepatitis B Core Antigen and Hepatitis B Surface Antigen as a Marker in the Management of Chronic Hepatitis B Patients (Gut Liver, 11(3):417-425)


• 2017 Hemorrhagic Anal Mass (Gastroenterology, 152(4):e11-e12)


• 2017 Role of Smoking as a Risk Factor in East Asian Patients with Crohn's Disease (Gut Liver, 11(1):7-8)


• 2017 Comparison of a split-dose bowel preparation with 2 liters of polyethylene glycol plus ascorbic acid and 1 liter of polyethylene glycol plus ascorbic acid and bisacodyl before colonoscopy (Gastrointest Endosc, 86(2):343-348)


• 2017 Validation study associating glutaminase promoter variations with hepatic encephalopathy in East Asian populations (J Gastroenterol Hepatol, 32(4):901-907)


• 2017 A case of esophageal hemangioma treated with endoscopic injection sclerotherapy (Gastrointest Endosc, 85(5):1093-1094)


• 2016 Changes in Cardiac Varices and Their Clinical Significance after Eradication of Esophageal Varices by Band Ligation (Can J Gastroenterol Hepato, 2016:2198163)


• 2016 Value of Computerized Tomography Enterography in Predicting Crohn's Disease Activity: Correlation with Crohn's Disease Activity Index and C-Reactive Protein (Iran J Radiol, 13(4):e34301)


• 2016 The Importance of an Endoscopic Quality Assessment Program Reflecting Real Practice (Clin Endosc, 49(6):495-497)


• 2016 Polyethylene glycol plus ascorbic acid for bowel preparation in chronic kidney disease (Medicine, 95(36):e4755)


• 2016 Efficacy and Safety of Infliximab Therapy and Predictors of Response in Korean Patients with Crohn's Disease: A Nationwide, Multicenter Study (Yonsei Med, J57(6):1376-85)


• 2016 Prognostic value of inflammation-based markers in patients with pancreatic cancer administered gemcitabine and erlotinib (World J Gastrointest Oncol, 8(7):555-62)


• 2016 Discharge hemoglobin and outcome in patients with acute nonvariceal upper gastrointestinal bleeding (Endosc Int Open, 4(8):E865-9)


• 2016 Benexate hydrochloride betadex modulates nitric oxide synthesis and cytokine expression in gastric ulcers (Exp Ther Med, 12(2):573-580)


• 2016 Improving of bowel cleansing effect for polyethylene glycol with ascorbic acid using simethicone: A randomized controlled trial (Medicine, 95(28):e4163)


• 2016 Current status of intragastric balloon for obesity treatment (World J Gastroenterol, 22(24):5495-504)


• 2016 Endoscopic en bloc resection of an exophytic gastrointestinal stromal tumor with suction excavation technique (World J Gastroenterol, 22(23):5454-8)


• 2016 The Mental Health State of Quiescent Inflammatory Bowel Disease Patients (Gut Liver, 10(3):330-1)


• 2016 Job Stress and Job Satisfaction among Health-Care Workers of Endoscopy Units in Korea (Clin Endosc, 49(3):266-72)


• 2016 Mantle cell lymphoma with multiple lymphomatous polyposis and intussusception: A case report (Oncol Lett, 11(1):654-656)


• 2016 Capsule Endoscopy for Crohn's Disease: Current Status of Diagnosis and Management (Gastroenterol Res Pract, 2016:8236367)


• 2016 A Novel Fixation Method for Variable-Sized Endoscopic Submucosal Dissection Specimens: An In Vitro Animal Experiment (PLoS One, 11(1):e0146573)


• 2016 The management and prognosis of patients with hepatocellular carcinoma: what has changed in 20 years? (Liver Int, 36(3):445-53)


• 2016 Efficacy of the magnetic marking clip method for preoperative localization of GI tumor (Gastrointest Endosc, 83(2):468-9)


• 2015 Indications for Detection, Completion, and Retention Rates of Small Bowel Capsule Endoscopy Based on the 10-Year Data from the Korean Capsule Endoscopy Registry (Clin Endosc, 48(5):399-404)


• 2015 Efficacy and implications of a 48-h cutoff for video capsule endoscopy application in overt obscure gastrointestinal bleeding (Endosc Int Open, 3(4):E334-8)


• 2015 Predictors of the patency of self-expandable metallic stents in malignant gastroduodenal obstruction (World J Gastroenterol, 21(30):9134-41)


• 2015 A patient experiencing bloody diarrhea and tenesmus for three weeks (Intest Res, 13(2):180-1)


• 2015 Guidelines for video capsule endoscopy: emphasis on Crohn's disease (Clin Endosc, 48(2):128-35)


• 2015 Rare case of pancreatic cancer with leptomeningeal carcinomatosis (World J Gastroenterol, 21(3):1020-3)


• 2015 Current and emerging biologics for ulcerative colitis (Gut Liver, 9(1):18-27)


• 2015 Long-Term Outcomes of NSAID-Induced Small Intestinal Injury Assessed by Capsule Endoscopy in Korea: A Nationwide Multicenter Retrospective Study (Gut Liver, 9(6):727-33)


• 2015 A randomized, prospective trial on efficacy and tolerability of low-volume bowel preparation methods for colonoscopy (Dig Liver Dis, 47(2):131-7)


• 2015 Synchronous occurrence of gastrointestinal stromal tumor and intrahepatic cholangiocarcinoma: A case report (Oncol Lett, 9(1):165-168)


• 2015 Risk Factors for Developing Hyponatremia During Terlipressin Treatment: A Retrospective Analyses in Variceal Bleeding (J Clin Gastroenterol, 49(7):607-12)


• 2015 The risk of perioperative adverse events in patients with chronic liver disease (Liver Int, 35(3):713-23)


• 2015 Clinical significance of hepatitis B virus precore and core promoter variants in Korean patients with chronic hepatitis B (J Clin Gastroenterol, 49(1):61-8)


• 2014 Endoscopic resection of symptomatic simultaneous angiolipoma of the colon and duodenum: first case report and literature review (Turk J Gastroenterol, 25(4):440-1)


• 2014 Coffee enema for preparation for small bowel video capsule endoscopy: a pilot study (Clin Nutr Res, 3(2):134-41)


• 2014 Endoscopic submucosal tunnel dissection salvage technique for ulcerative early gastric cancer (World J Gastroenterol, 20(27):9210-4)


• 2014 Endoscopic suturing closure of large mucosal defects after endoscopic submucosal dissection: is the technique, at all times, feasible and effective? (Gastrointest Endosc, 80(2):362-3)


• 2014 A randomized, endoscopist-blinded, prospective trial to compare the preference and efficacy of four bowel-cleansing regimens for colonoscopy (Scand J Gastroenterol, 49(7):871-7)


• 2014 Risk of adenomas with high-risk characteristics based on two previous colonoscopy (J Gastroenterol Hepatol, 29(12):1985-90)


• 2014 Incidences of serious infections and tuberculosis among patients receiving anti-tumor necrosis factor-α therapy (Yonsei Med J, 55(2):442-8)


• 2014 Portal hypertensive enteropathy diagnosed by capsule endoscopy in cirrhotic patients: a nationwide multicenter study (Dig Dis Sci, 59(5):1036-41)


• 2014 Long-term outcome of capsule endoscopy in obscure gastrointestinal bleeding: a nationwide analysis (Endoscopy, 46(1):59-65)


• 2014 Role of hepatitis B surface antigen (HBsAg) in identifying true inactive HBsAg carriers infected with genotype C hepatitis B virus (J Clin Gastroenterol, 48(2):166-71)