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Pancreatic fistula after pancreaticoduodenectomy:A comparison between the two pancreaticojejunostomy methods for approximating the pancreatic parenchyma to the jejunal seromuscular layer:Interrupted vs continuous stitches

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World Journal of Gastroenterology 2007年第40期13卷 5351-5356页

作者： seung Eun Lee Sung Hoon Yang Jin-Young jang Sun-Whe Kim Department of Surgery Seoul National University College of Medicine28 Yongon-dongChongno-guSeoul 110-744Korea

AIM： The purpose of this study is to find a better operative technique by comparing interrupted stitches with continuous stitches for the outer layer of the pancreaticojejunostomy, i.e. the stitches between the stump parenchyma of the pancreas and the jejunal seromuscular layer, and other risk factors for the incidence of pancreatic leakage.METHODS： During the period January 1997 to October 2004, 133 patients have undergone the end-to-side and duct-to-mucosa pancreaticojejunostomy reconstruction after pancreaticoduodenectomy with interrupted suture for outer layer of the pancreaticojejunostomy and 170 patients with a continuous suture at our institution by one surgeon.RESULTS： There were no significant differences between the two groups in the diagnosis, texture of the pancreas, use of octreotide and pathologic stage. Pancreatic fistula occurred in 14 patients （11%） among the interrupted suture cases and in 10 （6%） among the continuous suture cases （P = 0.102）. Major pancreatic leakage developed in three interrupted suture patients （2%） and zero continuous suture patients （P = 0.026）. In multivariate analysis, soft pancreatic consistency （odds ratio, 5.5; 95% confidence interval 2.3-13.1） and common bile duct cancer （odds ratio, 3.7; 95%CI 1.6-8.5） were＇predictive of pancreatic leakage.CONCLUSION： Pancreatic texture and pathology are the most important factors in determining the fate of pancreaticojejunal anastomosis and our continuous suture method was performed with significantly decreased occurrence of major pancreatic fistula. In conclusion, the continuous suture method is more feasible and safer in performing duct-to-mucosa pancreaticojejunostomy.

关键词： Pancreaticoduodenectomy Pancreaticojejunostomy Pancreatic fistula

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Clinicopathologic significance of GLUT1 expression and its correlation with Apaf-1 in colorectal adenocarcinomas

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World Journal of Gastroenterology 2011年第14期17卷 1866-1873页

作者： Young Jin Jun Se Min jang Hu lin Han Ki-Seok jang seung Sam Paik Kang Hong Lee Department of Pathology College of Medicine Hanyang University Seoul 133-792 South Korea Department of Surgery College of Medicine Hanyang University Seoul 133-792 South Korea

AIM:To investigate the role of glucose transporter 1 (GLUT1) expression in colorectal carcinogenesis and evaluate the correlation with clinicopathological parameters and apoptosis-activating factor-1 (Apaf-1) expression in colorectal adenocarcinomas. METHODS:We used tissue microarrays consisting of 26 normal mucosa,50 adenomas,515 adenocarcinomas,and 127 metastatic lesions. Medical records were reviewed and clinicopathological analysis was performed. RESULTS:GLUT1 expression was absent in normal mucosa and low or moderately apparent in 19 cases (38.0%) of 50 adenomas. However,GLUT1 expression was detected in 423 (82.1%) of 515 adenocarcinomas and in 96 (75.6%) of 127 metastatic lesions. GLUT1 expression was significantly correlated with female gender (P = 0.009),non-mucinous tumor type (P = 0.045),poorer differentiation (P = 0.001),lymph node metastasis (P < 0.001),higher AJCC and Dukes stage (P < 0.001 and P < 0.001,respectively). There was a significant inverse correlation between GLUT1 expression and Apaf-1 expression (P = 0.001). In univariate survival analysis,patients with GLUT1 expression demonstrated poor overall survival and disease-free survival (P = 0.047 and P = 0.021,respectively,log-rank test). CONCLUSION:GLUT1 expression was frequently increased in adenocarcinomas and metastatic lesions. GLUT1 expression was significantly correlated with poorer clinicopathologic phenotypes and survival of patients with colorectal adenocarcinomas.

关键词： Adenocarcinoma Colorectum Glucose transporter 1 Apoptosis-activating factor-1 Prognosis Survival

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Efficacy of stool multiplex polymerase chain reaction assay in adult patients with acute infectious diarrhea

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World Journal of Clinical Cases 2020年第17期8卷 3708-3717页

作者： Jae Sung Ahn seung In Seo Jinseob Kim Taewan Kim Jin Gu Kang Hyoung Su Kim Woon Geon Shin Myoung Kuk jang Hak Yang Kim Department of Internal Medicine Kangdong Sacred Heart HospitalSeoul KS013South Korea Department of Internal Medicine Kangdong Sacred Heart HospitalHallym University College of MedicineSeoul KS013South Korea Institute for Liver and Digestive Diseases Hallym UniversityChuncheon KS013South Korea Department of Epidemiology School of Public HealthSeoul National UniversitySeoul KS013South Korea

BACKGROUND Recently,stool multiplex polymerase chain reaction(PCR)tests have been developed for identifying diarrhea-causing bacterial ***,fecal calprotectin is a well-known effective marker for intestinal mucosal *** To evaluate the efficacy of stool multiplex PCR and fecal calprotectin in acute infectious *** Overall,400 patients with acute infectious diarrhea were enrolled from Kangdong Sacred Heart Hospital(January 2016 to December 2018).Multiplex PCR detected 7 enteropathogenic bacteria including Salmonella,Campylobacter,Shigella,Escherichia coli O157:H7,Aeromonas,Vibrio,and Clostridium *** reviewed clinical and laboratory findings using stool multiplex *** Stool multiplex PCR test detected considerably more bacterial pathogens than stool culture(49.2%vs 5.2%),with Campylobacter as the most common pathogen(54%).Patients with positive stool PCR showed elevated fecal calprotectin expression compared to patients with negative stool PCR(1124.5±816.9 mg/kg vs 609±713.2 mg/kg,P=0.001).C-reactive protein(OR=1.01,95%CI:1.001-1.027,P=0.034)and sigmoidoscopy-detected colitis(OR=4.76,95%CI:1.101-20.551,P=0.037)were independent factors in stool PCR-based detection of bacterial *** and specificity of calprotectin were evaluated to be 70.5%and 60.9%,respectively(adjusted cut-off value=388 mg/kg).CONCLUSION Stool multiplex PCR test has increased sensitivity in detecting pathogens than conventional culture,and it is correlated with calprotectin *** multiplex PCR and calprotectin may be effective in predicting clinical severity of infectious diarrhea.

关键词： Acute infectious diarrhea Stool multiplex polymerase chain reaction Calprotectin

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Association between Helicobacter pylori status and metachronous gastric cancer after endoscopic resection

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World Journal of Gastroenterology 2016年第44期22卷 9794-9802页

作者： Sung Bum Kim Si Hyung Lee seung Il Bae Yo Han Jeong Se Hoon Sohn Kyeong Ok Kim Byung Ik jang Tae Nyeun Kim Department of Internal Medicine Yeungnam University College of Medicine

AIM To investigate the effect of Helicobacter pylori(H. pylori) status test and H. pylori eradication on the occurrence of metachronous gastric cancer(MGC) after endoscopic submucosal dissection(ESD) of early gastric cancer(EGC) and risk factors of MGC. METHODS The authors retrospectively reviewed the medical records of 433 patients(441 lesions) who underwent ESD for EGC from January 2005 to January 2015 in Yeungnam University Hospital. Patients were categorized into two groups; the H. pylori tested group(n = 257) and the H. pylori non-tested group(n = 176) based on performance of H. pylori status test after ESD of EGC. The H. pylori tested group was further categorized into three subgroups based on H. pylori status; the H. pylori-eradicated subgroup(n = 120), the H. pylori-persistent subgroup(n = 42), and the H. pylori-negative subgroup(n = 95). Incidences of MGC and risk factors of MGC were *** Median follow-up duration after ESD was 30.00 mo(range, 6-107 mo). Total 15 patients developed MGC during follow-up. MGC developed in 11 patients of the H. pylori tested group(7 in the H. pylori-negative subgroup, 3 in the H. pylori-eradicated subgroup, and 1 in the H. pylori-persistent subgroup) and 4 patients of the H. pylori non-tested group(P > 0.05). The risk factors of MGC were endoscopic mucosal atrophy in the H. pylori tested group and intestinal metaplasia in all patients. CONCLUSION H. pylori eradication and H. pylori status test seems to have no preventive effect on the development of MGC after ESD for EGC. The risk factors of MGC development were endoscopic mucosal atrophy in the H. pylori tested group alone and intestinal metaplasia in all patients.

关键词： Metachronous gastric cancer Endoscopic submucosal dissection Helicobacter pylori

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Immune enhancement effect of an herb complex extract through the activation of natural killer cells and the regulation of cytokine levels in a cyclophosphamide-induced immunosuppression rat model

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Asian Pacific Journal of Tropical Medicine 2018年第12期11卷 653-658页

作者： Sung Min Woo Woo Rin Choi Dooly jang Chun Sik Yi Hae Lim Kim Kyung Hyeon Kim Jong Tae Kim Won Hee Choi seung Hee jang Min Jeung Kim Ji Hyang Wee Yeon Ki Kim Bao Le Interdisciplinary Program of Biomodulation Myongji UniversityYonginGyeonggi 17058Republic of Korea Center for Nutraceutical and Pharmaceutical Materials Myongji UniversityYonginGyeonggi 17058Republic of Korea Teazen Co. B-606 Acrotower230 Sinim-daeroDongan-guAnyang-siGyeonggi-do 14067Republic of Korea Department of Food Science&Biotechnology Shin Ansan UniversityAnsanGyeonggi 15435Republic of Korea' Division of Bioscience and Bioinformatics Myongji UniversityYonginGyeonggi 17058Republic of Korea Department of Biotechnology Chonnam National UniversityYeosuChonnam 59626Republic of Korea

Objective: To investigate the effects of a herb complex extract(HCE) prepared from Cornus officinalis Sieb. Et Zucc., Eriobotrya japonica Lindley, and olive leaves on immune response of mouse spleen NK cells in vitro and in vivo analysis. Methods: The activity of natural killer(NK) cells was measured in splenocytes and YAC-1 cells. Mice were immunosuppressed using cyclophosphamide(5 mg/kg body weight). Three different doses of HCE(200, 400, and 800 mg/kg body weight) and red ginseng extract(800 mg/kg body weight) which was used as standard immunomodulatory herb were administered orally for 4 weeks. The body weight, dietary, water intake, organs(liver, thymus, and spleen) weight, completed blood count, and cytokines(tumor necrosis factor alpha, interferon gamma, and interleukin-2) production was measured. Results: At the maximum concentration of HCE, the activity of NK cells was increased by 48.5%. HCE increased liver, spleen, and thymus weights without altering numbers of white blood cells, lymphocytes, and neutrophils in a cyclophosphamide-induced immunosuppression rat model. However, HCE recovered the inhibited cytokine expression; HCE(800 mg/kg) increased cytokines levels. The results indicate the immune enhancement potential of this HCE. Conclusion: The HCE enhances immunity by increasing NK cell activity, regulating cytokine levels, and maintaining spleen weight. Therefore, it may be used as a potential immunity enhancer.

关键词： Immune system enhancement Cyclophosphamide Cornus officinalis Sieb Et Zucc Eriobotrya japonica Lindley Olive leaves

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Delayed diagnosis of imperforate hymen with huge hematocolpometra:A case report

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World Journal of Clinical Cases 2021年第29期9卷 8901-8905页

作者： Eunbi jang Kyeong A So Bomin Kim A Jin Lee Nae Ri Kim Eun Jung Yang seung-Hyuk Shim Sun Joo Lee Tae Jin Kim Department of Obstetrics and Gynecology Konkuk University School of MedicineSeoul 05030South Korea

BACKGROUND Imperforate hymen is a rare obstructive anomaly of the female reproductive *** is associated with complications,such as cyclical abdominal pain,urinary retention,and pelvic *** SUMMARY A 13-year-old girl presented several times to the emergency room with lower abdominal pain for a *** received conservative treatment,such as pain control,at each *** visited our gynecological clinic for worsening pain,and a 14-cm hematocolpos was found on *** was finally diagnosed with an imperforate hymen with *** was performed,which resulted in event-free regular cyclical *** Imperforate hymen should be considered in a premenarcheal adolescent girl with periodic abdominal pain.

关键词： Hematocolpos Imperforate hymen Abdominal pain Amenorrhea Case report

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A study on how adopting smart phone affects secretaries’ work type and organizational effectiveness

A study on how adopting smart phone affects secretaries’ wo...

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2011 International Conference on Humanities,Society and Culture（ICHSC 2011）

作者： soon Yee,Hong seung Hyun,Lee Daelim University College Graduate School Ewha Womans University

This study aims to empirically analyze the relationship between boss’s innovativeness and adopting a smart phone on secretaries’ work and work type *** the relationship between secretaries’ work type change and organizational effectiveness was *** was collected through questionnaires to the secretaries who are currently working in various *** test the hypotheses,we conducted regression analyses using SPSS *** was found that secretaries’ work types,such as documentation,financial recordkeeping,meeting management,and schedule management,changed more significantly when smart phone was adopted by management than when it was adopted by individual secretaries *** study shows that these changes contribute in improving organizational effectiveness of secretaries such as job satisfaction,organizational commitment and career commitment.

关键词： smart phone innovativeness secretaries’ work type organizational effectiveness job satisfaction organizational commitment career commitment

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Efficient solar fuel production enabled by an iodide oxidation reaction on atomic layer deposited MoS_(2)

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Carbon Energy 2023年第12期5卷 200-214页

作者： Young Sun Park Gyumin jang Inkyu Sohn Hyungsoo Lee Jeiwan Tan Juwon Yun Sunihl Ma Jeongyoub Lee Chan Uk Lee Subin Moon Hayoung Im seung-Min Chung seungho Yu Hyungjun Kim Jooho Moon Department of Materials Science and Engineering Yonsei UniversitySeoulRepublic of Korea School of Electrical and Electronic Engineering Yonsei UniversitySeoulRepublic of Korea Energy Storage Research Center Korea Institute of Science and TechnologySeoulRepublic of Korea

Oxygen evolution reaction(OER)as a half-anodic reaction of water splitting hinders the overall reaction efficiency owing to its thermodynamic and kinetic *** oxidation reaction(IOR)with low thermodynamic barrier and rapid reaction kinetics is a promising alternative to the ***,we present a molybdenum disulfide(MoS_(2))electrocatalyst for a high-efficiency and remarkably durable anode enabling ***_(2)nanosheets deposited on a porous carbon paper via atomic layer deposition show an IOR current density of 10 mA cm^(–2)at an anodic potential of 0.63 V with respect to the reversible hydrogen electrode owing to the porous substrate as well as the intrinsic iodide oxidation capability of MoS_(2)as confirmed by theoretical *** lower positive potential applied to the MoS_(2)-based heterostructure during IOR electrocatalysis prevents deterioration of the active sites on MoS_(2),resulting in exceptional durability of 200 ***,we fabricate a two-electrode system comprising a MoS_(2)anode for IOR combined with a commercial Pt@C catalyst cathode for hydrogen evolution ***,the photovoltaic–electrochemical hydrogen production device comprising this electrolyzer and a single perovskite photovoltaic cell shows a record-high current density of 21 mA cm^(–2)at 1 sun under unbiased conditions.

关键词： iodide oxidation reaction molybdenum sulfide photovoltaic-electrochemical hydrogen production solar hydrogen

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Intraductal papillary mucinous carcinoma with atypical manifestations:Report of two cases

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World Journal of Gastroenterology 2007年第10期13卷 1622-1625页

作者： seung Eun Lee Jin-Young jang Sung Hoon Yang Sun-Whe Kim Department of Surgery Seoul National University College of MedicineSeoulKorea

Intraductal papillary mucinous neoplasms （IPMNs） are a well-characterized group of rnucin-producing cystic neoplasms of the clear malignant potential type. We report here two cases of intraductal papillary mucinous carcinoma （IPMC） with atypical manifestations. In one case, we discussed a pseudomyxoma peritonei caused by a ruptured IPMC. In the other case we discussed the fistulization of IPMC into the stomach and duodenum. These two cases suggest that IPMN can either spontaneously rupture causing mucinous materials to spill into the free abdominal cavity or directly invade adjacent organs resulting in fistula development.

关键词： Intraductal papillary mucinous neoplasm Intraductal papillary mucinous carcinoma Pseudomyxoma peritonei Fistula

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An Analysis and Quantification Method of Human Errors of Soft Controls in Advanced MCRs

An Analysis and Quantification Method of Human Errors of Sof...

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International Symposium on Future I&C for Nuclear Power Plants Cognitive Systems Engineering in Process Control International Symposium on Symbiotic Nuclear Power Systems(ICI2011)

作者： LEE seung Jun KIM Jaewhan jang seung-Cheol Integrated Safety Assessment Division Korea Atomic Energy Research Institute1045 Daedeok-daeroYuseong-guDaejeonKorea

＜正＞In this work,a method was proposed for quantifying human errors that may occur during operation executions using soft *** controls of advanced main control rooms（MCRs） have totally different features from conventional controls,and thus they may have different human error modes and occurrence *** is important to define the human error modes and to quantify the error probability for evaluating the reliability of the system and preventing *** work suggests a modified K-HRA method for quantifying error probability.

关键词： Advanced MCR Soft control Human error

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