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World Journal of Gastroenterology 2014年第33期20卷 11525-11537页

作者： Soo Jung Park won ho kim Jae Hee Cheon Department of Internal Medicine and Institute of Gastroenerology Yonsei University College of Medicine Seoul 120-752 South Korea

Inflammatory bowel disease(IBD) is a chronic, relapsing intestinal inflammatory disorder with unidentified causes. Both environmental factors and genetic aspects are believed to be crucial to the pathogenesis of IBD. The incidence and prevalence of IBD have recently been increasing throughout Asia, presumably secondary to environmental changes. This increasing trend in IBD epidemiology necessitates specific health care planning and education in Asia. To this end, we must gain a precise understanding of the distinctive clinical and therapeutic characteristics of Asian patients with IBD. The phenotypes of IBD reportedly differ considerably between Asians and Caucasians. Thus, use of the same management strategies for these different populations may not be appropriate. Moreover, investigation of the Asian-specific clinical aspects of IBD offers the possibility of identifying causative factors in the pathogenesis of IBD in this geographical area. Accordingly, this review summarizes current knowledge of the phenotypic manifestations and management practices of patients with IBD, with a special focus on a comparisonof Eastern and Western perspectives.

关键词： Crohn's disease Ulcerative colitis Inflam-matory bowel disease Clinical characteristics Treat-ment Asia

Correlations between endoscopic and clinical disease activity indices in intestinal Behcet's disease

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World Journal of Gastroenterology 2012年第40期18卷 5771-5778页

作者： Hyun Jung Lee Youn Nam kim Hui won Jang Han ho Jeon Eun Suk Jung Soo Jung Park Sung Pil hong Tae Il kim won ho kim Chung Mo Nam Jae Hee Cheon Department of Internal Medicine Institute of GastroenterologyYonsei University College of MedicineSeoul 120-752South Korea Department of Biostatistics Yonsei University College of MedicineSeoul 120-752South Korea Department of Preventive Medicine Yonsei University College of MedicineSeoul 120-752South Korea

AIM:To develop a novel endoscopic severity model of intestinal Behcet's disease(BD) and to evaluate its feasibility by comparing it with the actual disease activity index for intestinal Behcet's disease(DAIBD).METhoDS:We reviewed the medical records of 167 intestinal BD patients between March 1986 and April *** also investigated the endoscopic parameters including ulcer locations,distribution,number,depth,shape,size and margin to identify independent factors associated with *** endoscopic severity model was developed using significant colonoscopic variables identified by multivariate regression analysis and its correlation with the DAIBD was *** determine factors related to the discrepancy between endoscopic severity and clinical activity,clinical characteristics and laboratory markers of the patients were ***:A multivariate regression analysis revealed that the number of intestinal ulcers(≥ 2,P = 0.031) and volcanoshaped ulcers(P = 0.001) were predictive factors for the *** endoscopic severity model(Y) was developed based on selected endoscopic variables as follows:Y = 47.44 + 9.04 × non-Ileocecal area + 11.85 ×≥ 2 of intestinal ulcers + 5.03 × shallow ulcers + 12.76 × deep ulcers + 4.47 × geographicshaped ulcers + 26.93 × volcano-shaped ulcers + 8.65 ×≥ 20 mm of intestinal ***,endoscopic parameters used in the multivariate analysis explained only 18.9% of the DAIBD *** with severe DAIBD scores but with moderately predicted disease activity by the endoscopic severity model had more symptoms of irritable bowel syndrome(21.4% vs 4.9%,P = 0.026) and a lower rate of corticosteroid use(50.0% vs 75.6%,P = 0.016) than those with severe DAIBD scores and accurately predicted disease by the ***:Our study showed that the number of intestinal ulcers and volcano-shaped ulcers were predictive factors for severe DAIBD ***,the correlation between endoscopic severity and DAIBD(r = 0.434) was weak.

关键词： Intestinal Behcet's disease Disease activityindex Colonoscopy Ulcer Endoscopic severity

Clinical meaning of BRAF mutation in Korean patients with advanced colorectal cancer

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World Journal of Gastroenterology 2014年第15期20卷 4370-4376页

作者： Bun kim Soo Jung Park Jae Hee Cheon Tae Il kim won ho kim Sung Pil hong Department of Internal Medicine Institute of GastroenterologyYonsei University College of MedicineSeoul 120-752South Korea

AIM: To evaluate the clinicopathological features of colorectal cancer (CRC) with a v-Raf murine sarcoma viral oncogene homolog B1 (BRAF) mutation and its molecular interaction with microsatellite instability (MSI) an... 详细信息

关键词： BRAF Colorectal cancer Molecular features Chemotherapy response Prognosis

Sex-dependent difference in the effect of metformin on colorectal cancer-specific mortality of diabetic colorectal cancer patients

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World Journal of Gastroenterology 2017年第28期23卷 5196-5205页

作者： Jung won Park Jin Ha Lee Ye Hyun Park Soo Jung Park Jae Hee Cheon won ho kim Tae Il kim Department of Internal Medicine and Institute of Gastroenterology Yonsei University College of Medicine Cancer Prevention Center Yonsei University College of Medicine

To assess factors associated with the higher effect of metformin on mortality in diabetic colorectal cancer (CRC) patients, since the factors related to the effectiveness of metformin have not been identified *** January 2000 and December 2010, 413 patients diagnosed with both stage 3/4 CRC and diabetes mellitus were identified. Patients’ demographics and clinical characteristics were analyzed. The effect of metformin on CRC-specific mortality and the interactions between metformin and each adjusted factor were *** follow-up duration was median 50 mo (range: 1-218 mo). There were 85 deaths (45.9%) and 72 CRC-specific deaths (38.9%) among 185 patients who used metformin, compared to 130 total deaths (57.0%) and 107 CRC-specific deaths (46.9%) among 228 patients who did not use metformin. In multivariate analysis, survival benefit associated with metformin administration was identified (HR = 0.985, 95%CI: 0.974-0.997, P = 0.012). Interaction test between metformin and sex after adjustment for relevant factors revealed that female CRC patients taking metformin exhibited a significantly lower CRC-specific mortality rate than male CRC patients taking metformin (HR = 0.369, 95%CI: 0.155-0.881, P = 0.025). Furthermore, subgroup analysis revealed significant differences in CRC-specific mortality between the metformin and non-metformin groups in female patients (HR = 0.501, 95%CI: 0.286-0.879, P = 0.013) but not male patients (HR = 0.848, 95%CI: 0.594-1.211, P = 0.365). There were no significant interactions between metformin and other adjusted factors on CRC-specific *** showed a strong sex-dependent difference in the effect of metformin on CRC-specific mortality in advanced stage CRC patients with diabetes.

关键词： Colorectal cancer Metformin Survival Sex

Conventional endoscopic features are not sufficient to differentiate small, early colorectal cancer

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World Journal of Gastroenterology 2014年第21期20卷 6586-6593页

作者： Wan Park Bun kim Soo Jung Park Jae Hee Cheon Tae Il kim won ho kim Sung Pil hong Department of Internal Medicine and Institute of Gastroenterology Yonsei University College of MedicineSeoul 120-752South Korea

AIM: To evaluate the depth of invasion of small, early colorectal cancers (ECCs) using conventional endoscopic features.

关键词： Colonoscopy Colorectal neoplasms Differential diagnosis

Clinical outcomes and predictive factors in oral corticosteroid-refractory active ulcerative colitis

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World Journal of Gastroenterology 2013年第2期19卷 265-273页

作者： Han ho Jeon Hyun Jung Lee Hui won Jang Jin Young Yoon Yoon Suk Jung Soo Jung Park Sung Pil hong Tae Il kim won ho kim Jae Hee Cheon Department of Internal Medicine Institute of GastroenterologyYonsei University College of MedicineSeoul 120-752South Korea Brain Korea 21 Project for Medical Science Yonsei University College of MedicineSeoul 120-752South Korea

AIM:To evaluate the clinical outcomes and prognostic factors after intravenous corticosteroids following oral corticosteroid failure in active ulcerative colitis ***:Consecutive patients with moderate to severe ulcerative colitis who had been treated with a course of intravenous corticosteroids after oral corticosteroid therapy failure between January 1996 and July 2010 were recruited at Severance hospital,Seoul,South *** disease activity was measured by the Mayo score,which consists of stool frequency,rectal bleeding,mucosal appearance at flexible sigmoidoscopy,and Physician Global *** retrospectively evaluated clinical outcomes at two weeks,one month,three months,and one year after the initiation of intravenous corticosteroid *** weeks outcomes were classified as responders or *** month,three month and one year outcomes were classified into prolonged response,steroid dependency,and ***:Our study included a total of 67 eligible *** two weeks,56(83.6%) patients responded to intravenous *** one month,complete remission was documented in 18(32.1%) patients and partial remission in 26(46.4%).Eleven patients(19.7%) were refractory to the *** three months and one year,we found 37(67.3%) and 25(46.3%) patients in prolonged response,ten(18.2%) and 23(42.6%) patients in corticosteroid dependency,8(14.5%) and 6(11.1%) patients with no response,*** 9 patients were underwent elective proctocolectomy within 1 *** duration of oral corticosteroid therapy(> 14 d vs ≤ 14 d,P = 0.049) and lower hemoglobin level(≤ 11.0 mg/dL vs >11.0 mg/dL,P = 0.02) were found to be poor prognostic factors for response at two *** one year outcome,univariate analysis revealed that only a partial Mayo score(≥ 6 vs <6,P = 0.057) was found to be associated with a poor ***:The duration of oral corticosteroid therapy and lower hemoglobin level were strongly associ

关键词： Clinical outcome Prognosis Corticosteroid Ulcerative colitis

Intestinal Behet's disease appearing during treatment with adalimumab in a patient with ankylosing spondylitis

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World Journal of Gastroenterology 2013年第32期19卷 5389-5392页

作者： Sook Hee Chung Soo Jung Park Sung Pil hong Jae Hee Cheon Tae Il kim won ho kim Department of Internal Medicine and Institute of Gastroenterology Yonsei University College of Medicine

Behet’s disease(BD)is a chronic inflammatory disease affecting multiple organ systems,such as the skin,joints,blood vessels,central nervous system,and gastrointestinal *** BD is characterized by intestinal ulcerations and gastrointestinal *** medical treatment of intestinal BD includes corticosteroids and *** have been several reports of tumor necrosis factor-α (TNF-α)blockers being successful in treatment of refractory intestinal ***,we report on a patient who was diagnosed with intestinal BD despite treatment with the fully humanized TNF-α blocker(adalimumab)for underlying ankylosing *** patient achieved clinical remission and complete mucosal healing through the addition of a steroid and azathioprine to the adalimumab regimen.

关键词： Intestinal Behet's disease Tumor necrosis factor-α Adalimumab

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World Journal of Gastroenterology 2014年第45期20卷 17120-17126页

作者： Sook Hee Chung Soo Jung Park Hye Sun Lee Sung Pil hong Jae Hee Cheon Tae Ⅱ kim won ho kim Department of Internal Medicine and Institute of Gastroenterology Yonsei University College of Medicine Department of Internal Medicine and institute of Gastroenterology Ajou University College of Medicine Department of Biostatistics Yonsei University College of Medicine

AIM: To investigate differences of clinical characteristics and disease courses between familial and sporadic inflammatory bowel disease (IBD) patients.

关键词： Inflammatory bowel disease Family history Crohn’ s disease Ulcerative colitis Clinical characteristics

One-year clinical outcomes in invasive treatment strategies for acute ST-elevation myocardial infarction complicated by cardiogenic shock in eld-erly patients

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Journal of Geriatric Cardiology 2013年第3期10卷 235-241页

作者： Yeon Pyo Yoo Ki-Woon Kang Hyeon Soo Yoon Jin Cheol Myung Yu Jeong Choi won ho kim Sang Hyun Park Kyung Tae Jung Myung ho Jeong Division of Cardiology Hyosung General Hospital 162-90 Sandang dong Chungju 360-802 South Korea Division of Cardiology Eulji University Hospital Eulji University School of Medicine 1306 Dunsan dong Seogu Daejeon 302-120 South Korea Division of Cardiology Worker`s Compensation&Welfare Service Hospital 833 Gaejok-ro Daejeon 306-060 South Korea Division of Cardiology Chunman National University Hospital 42 Jaebong-ro Kwangju 501-757 South Korea

Objective To investigate the clinical outcomes of an invasive strategy for elderly (aged≥75 years) patients with acute ST-segment elevation myocardial infarction (STEMI) complicated by cardiogenic shock (CS). Methods Data on 366 of 409 elderly CS patients from a total of 6,132 acute STEMI cases enrolled in the Korea Acute Myocardial Infarction Registry between January 2008 and June 2011, were collected and analyzed. In-hospital deaths and the 1-month and 1-year survival rates free from major adverse cardiac events (MACE;defined as all cause death, myocardial infarction, and target vessel revascularization) were reported for the patients who had undergone invasive (n=310) and conservative (n=56) treatment strategies. Results The baseline clinical characteristics were not significantly different between the two groups. There were fewer in-hospital deaths in the invasive treatment strategy group (23.5%vs. 46.4%, Phose in younger patients at the 1-year follow-up.

关键词： Acute myocardial infarction Cardiogenic shock Elderly patients

Robust Adaptive Neural Network Control for XY Table

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Intelligent Control and Automation 2013年第3期4卷 293-300页

作者： Nguyen hoang Giap Jin-ho Shin won-ho kim Department of Intelligent System Engineering Graduate School of Dong-eui University Busan South Korea Department of Mechatronics Engineering Dong-eui University Busan South Korea

This paper proposed a robust adaptive neural network control for an XY table. The XY table composes of two AC servo drives controlled independently. The neural network with radial basis function is employed for velocity and position tracking control of AC servo drives to improve the system’s dynamic performance and precision. A robust adaptive term is applied to overcome the external disturbances. The stability and the convergence of the system are proved by Lyapunov theory. The proposed controller is implemented in a DSP-based motion board. The validity and robustness of the controller are verified through experimental results.

关键词： Robust Adaptive Neural Network Motion Control XY Table DSP