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Changing trends and characteristics of peptic ulcer disease:A multicenter study from 2010 to 2019 in Korea

World Journal of Gastroenterology 2023年第44期29卷 5882-5893页

作者： Yoon Jin Choi Tae Jun Kim Chang Seok Bang Yong Kang Lee Moon Won Lee Su Youn Nam woon geon shin Seung In Seo Department of Internal Medicine National Cancer CenterGoyang-si 13620South Korea Department of Internal Medicine Samsung Medical CenterSeoul 06351South Korea Department of Internal Medicine Chuncheon Sacred Heart HospitalChuncheon 24253South Korea Department of Internal Medicine National Health Insurance Service Ilsan HospitalGoyang-si 10444South Korea Department of Internal Medicine Pusan National University School of MedicineBusan 50463South Korea Division of Gastroenterology and Hepatology Department of Internal MedicineKyungpook National University Chilgok HospitalDaegu 41404South Korea Department of Internal Medicine Kangdong Sacred Heart HospitalHallym University College of MedicineSeoul 05355South Korea Institute for Liver and Digestive Diseases Hallym UniversityChuncheon 24253South Korea Division of Gastroenterology Department of Internal MedicineKangdong Sacred Heart HospitalSeoul 05355South Korea

BACKGROUND The clinical trend and characteristics of peptic ulcer disease(PUD)have not fully been investigated in the past *** To evaluate the changing trends and characteristics of PUD according to age and METHODS We analyzed seven hospital databases converted into the Observational Medical Outcomes Partnership-Common Data Model between 2010 and *** classified patients with PUD who underwent rapid urease tests or Helicobacter pylori(***)serology into three groups:***-related,drug[nonsteroidal anti-inflammatory drugs(NSAIDs)or aspirin]-related,and idiopathic(***/NSAID/aspirin-negative)PUD and compared the yearly trends and characteristics among the three *** We included 26785 patients in 7 databases,and the proportion of old age(≥65 years)was 38.8%.The overall number of PUD exhibited no decrease,whereas PUD in old age revealed an increasing trend(P=0.01 for trend).Of the 19601 patients,41.8%had ***-related,36.1%had drug-related,and 22.1%had idiopathic *** PUD exhibited a decreasing trend after 2014(P=0.01),drug-related PUD demonstrated an increasing trend(P=0.04),and idiopathic PUD showed an increasing trend in the old-age group(P=0.01)during 10 *** with drug-related PUD had significantly more comorbidities and concomitant ulcerogenic *** idiopathic PUD group had a significantly higher number of patients with chronic liver *** With the aging population increase,the effects of concomitant ulcerogenic drugs and preventive strategies should be investigated in drug-induced *** studies are required to clarify the relationship between idiopathic PUD and chronic liver disease.

关键词： Peptic ulcer disease Drug Idiopathic Trend Characteristics

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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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Trends in the eradication rates of Helicobacter pylori infection for eleven years

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World Journal of Gastroenterology 2012年第45期18卷 6628-6634页

作者： Jai Hoon Yoon Gwang Ho Baik Kyoung Min Sohn Dae Yong Kim Yeon Soo Kim Ki Tae Suk Jin Bong Kim Dong Joon Kim Jin Bae Kim woon geon shin Hak Yang Kim Il Hyun Baik Hyun Joo Jang Department of Internal Medicine Hallym University College of MedicineChuncheon Sacred Heart Hospital153Gyo-dongChuncheonGangwon-do 200-704South Korea Department of Internal Medicine Hallym University College of MedicineKangnam Sacred Heart HospitalSeoul 150-950South Korea Department of Internal Medicine Hallym University College of MedicineKangdong Sacred Heart HospitalSeoul 134-814South Korea Department of Internal Medicine Hallym University College of MedicineHallym University Sacred Heart HospitalAnyang 431-070South Korea Department of Internal Medicine Hallym University College of MedicineHangang Sacred Heart HospitalSeoul 150-719South Korea

AIM:To evaluate the trends in the eradication rate of Helicobacter pylori(***) over the past 11 years in a single ***:This retrospective study covered the period from January 2000 to December *** evaluated 5746 patients diagnosed with gastric ulcers(GU),duodenal ulcers(DU),GU + DU,or nonpeptic ulcers associated with an *** *** treated them annually with the 2 wk standard first-line triple regimen,proton pump inhibitor(PPI) + amoxicilin + clarithromycin(PAC;PPI,clarithromycin 500 mg,and amoxicillin 1 g,all twice a day).The follow-up test was performed at least 4 wk after the completion of the 2 wk standard *** eradication using the PAC *** also assessed the eradication rates of 1 wk second-line therapy with a quadruple standard regimen(PPI b.i.d.,tripotassium dicitrate bismuthate 300 mg q.i.d.,metronidazole 500 mg t.i.d.,and tetracycline 500 mg q.i.d.) after the failure of the first-line *** analysis was performed with 95%CI for the differences in the annual eradication ***:A total of 5746 patients [2333 males(58.8%),1636 females(41.2%);mean age of males vs females 51.31 ± 13.1 years vs 52.76 ± 13.6 years,P < 0.05,total mean age 51.9 ± 13.3 years(mean ± SD)] were *** these patients,1674 patients were excluded:35 patients refused treatment;18 patients ceased *** eradication due to side effects;1211 patients had inappropriate indications for *** eradication,having undergone stomach cancer operation or chemotherapy;and 410 patients did not undergo the *** also excluded 103 patients who wanted to stop eradication treatment after only 1 wk due to poor compliance or the side effects mentioned ***,we evaluated the annual eradication success rates in a total of 3969 patients who received 2 wk first-line PAC *** endoscopic and clinical findings in patients who received the 2 wk PAC were as follows:gastric ulcer in 855(21.5%);duodenal ulcer in 878(22.1%);

关键词： Helicobacter pylori Eradication Protonpump inhibitor Therapy Clarithromycin

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Endoscopic submucosal dissection for early gastric cancer with undifferentiated-type histology:A meta-analysis

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World Journal of Gastroenterology 2015年第19期21卷 6032-6043页

作者： Chang Seok Bang Gwang Ho Baik In Soo shin Jing Bong Kim Ki Tae Suk Jai Hoon Yoon Yeon Soo Kim Dong Joon Kim woon geon shin Kyung Ho Kim Hak Yang Kim Hyun Lim Ho Seok Kang Jong Hyeok Kim Jin Bae Kim Sung Won Jung Sea Hyub Kae Hyun Joo Jang Min Ho Choi Department of Internal Medicine Hallym University College of Medicine College of Education Jeonju University

AIM: To evaluate the efficacy and safety of endoscopicsubmucosal dissection(ESD) for early gastric cancer(EGC) with undifferentiated-type ***: A systematic literature review was conducted using the core databases. Complete resection,curative resection, en bloc resection, recurrence and adverse event rate were extracted and analyzed. A random effect model was applied. The methodological quality of the enrolled studies was assessed using the Newcastle-Ottawa Scale. Publication bias was evaluated using a funnel plot, the trim and fill method, Egger's test,and a rank correlation ***: Fourteen retrospective studies between2009 and 2014 were identified(972 EGC lesions with undifferentiated-type histology). The total en bloc and complete resection rates were estimated as92.1%(95%CI: 87.4%-95.2%) and 77.5%(95%CI:69.3%-84%), respectively. The total curative resection rate was 61.4%(95%CI: 44.5%-75.9%). The overall recurrence rate was 7.6%(95%CI: 3.4%-16%).Limited to histologically diagnosed expanded-criteria lesions, the en bloc and complete resection rates were91.2% and 85.6%, respectively. The curative resection rate was 79.8%.CONCLUSION: In this analysis, ESD is a technically feasible treatment modality for EGC with undifferentiatedtype histology. Long-term studies are needed to confirm these therapeutic outcomes.

关键词： Carcinoma Endoscopic submucosal dissection Endoscopy Gastric cancer Meta-analysis

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Diagnostic value of PIVKA-Ⅱ and alpha-fetoprotein in hepatitis B virus-associated hepatocellular carcinoma

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World Journal of Gastroenterology 2015年第13期21卷 3928-3935页

作者： Seung In Seo Hyoung Su Kim Won Jin Kim woon geon shin Doo Jin Kim Kyung Ho Kim Myoung Kuk Jang Jin Heon Lee Joo Seop Kim Hak Yang Kim Dong Joon Kim Myung Seok Lee Choong Kee Park Department of Internal Medicine Hallym University Medical CenterSeoul 134-701South Korea Digestive Disease Center Hallym University Medical CenterSeoul 134-701South Korea Department of Surgery Hallym University Medical CenterSeoul 134-701South Korea

AIM: To determine the cutoff values and to compare the diagnostic role of alpha-fetoprotein(AFP) and prothrombin induced by vitamin K absence-Ⅱ(PIVKA-Ⅱ) in chronic hepatitis B(CHB).METHODS: A total of 1255 patients with CHB, including 157 patients with hepatocellular carcinoma(HCC), 879 with non-cirrhotic CHB and 219 with cirrhosis without HCC, were retrospectively enrolled. The areas under the receiver operating characteristic(AUROC) curves of PIVKA-Ⅱ, AFP and their combination were calculated and ***: The optimal cutoff values for PIVKA-Ⅱ and AFP were 40 m AU/m L and 10 ng/m L, respectively, for the differentiation of HCC from nonmalignant CHB. The sensitivity and specificity were 73.9% and 89.7%, respectively, for PIVKA-Ⅱ and 67.5% and 90.3% for AFP, respectively. The AUROC curves of both PIVKA-Ⅱ and AFP were not significantly different(0.854 vs 0.853, P = 0.965) for the differentiation of HCC from nonmalignant CHB, whereas the AUROC of PIVKA-Ⅱ was significantly better than that of AFP in patients with cirrhosis(0.870 vs 0.812, P = 0.042). When PIVKA-Ⅱ and AFP were combined, the diagnostic power improved significantly compared to either AFP or PIVKA-Ⅱ alone for the differentiation of HCC from nonmalignant CHB(P < 0.05), especially when cirrhosis was present(P < 0.05).CONCLUSION: Serum PIVKA-Ⅱ might be a better tumor marker than AFP, and its combination with AFP may enhance the early detection of HCC in patients with CHB.

关键词： Hepatitis B virus Hepatocellular carcinoma Alpha-f

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Heterostructures in two-dimensional colloidal metal chalcogenides:Synthetic fundamentals and applications

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Nano Research 2019年第8期12卷 1750-1769页

作者： Yuho Min Eunmi Im geon-Tae Hwang Jong-Woo Kim Cheol-Woo Ahn Jong-Jin Choi Byung-Dong Hahn Joon-Hwan Choi woon-Ha Yoon Dong-Soo Park Dong Choon Hyun geon Dae Moon Functional Ceramics Department Powder & Ceramics DivisionKorea Institute of Materials Science (KIMS)ChangwonGyeongnam51508Republic of Korea Department of Polymer Science and Engineering Kyungpook National UniversityDaegu41566Republic of Korea Dongrtam Regional Division Korea Institute of Industrial TechnologyBusan46938Republic of Korea

As a new class of two-dimensional materials, two-dimensional (2D) heterostructures constructed from metal chalcogenides (MCs) have been gaining tremendous attention due to their unprecedented physical and chemical phenomena, mainly originated from their distinct structural features such as composition, architecture type, spatial arrangement of each component, crystal structure, exposed facet and interface, dimensionality in their heterostructures. Towards the realization of practical applications, synthetic approaches need a rational design with a variety of architecture types including laterally-combined, vertically-aligned, and conformally-coated 2D MC heterostructures. Among various synthetic routes, solution-based synthesis is thought of as an alternative to fabrication through high-cost setups since it can control those structural features in a cheap fashion. This review presents recent progress on solution-based synthesis to produce various 2D MC heterostructures with a focus on the synthetic fundamentals in terms of thermodynamic and kinetic aspects related to the growth mechanism. Four different synthetic approaches are reviewed: seeded growth, cation exchange reaction, colloidal atomic layer deposition, direct synthesis including one-step process and modified electrochemical method. We also provide some representative applications of 2D MC heterostructures and their hybrid composites in various fields including optoelectronics, thermoelectrics, catalysis, and battery. Finally, we offer an insight into challenges and future directions in a synthetic improvement of 2D MC heterostructures.

关键词： metal chalcogenide heterostructure anisotropic nanomaterials two-dimensional (2D) nanomaterials solution-based synthesis

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BCI induces apoptosis via generation of reactive oxygen species and activation of intrinsic mitochondrial pathway in H1299 lung cancer cells

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Science China(Life Sciences) 2018年第10期61卷 1243-1253页

作者： Jong-woon shin Sae-Bom Kwon Yesol Bak Sang-Ku Lee Do-Young Yoon Department of Bioscience and Biotechnology Konkuk University Targeted Medicine Research Center Korea Research Institute of Bioscience and Biotechnology (KRIBB)

The compound(E)-2-benzylidene-3-(cyclohexylamino)-2,3-dihydro-1 H-inden-1-one(BCI) is known as an inhibitor of dual specific phosphatase 1/6 and mitogen-activated protein kinase. However, its precise anti-lung cancer mechanism remains unknown. In this study, the effects of BCI on the viability of non-small cell lung cancer cell lines NCI-H1299, A549, and NCI-H460 were evaluated. We confirmed that BCI significantly inhibited the viability of p53(-) NCI-H1299 cells as compared to NCI-H460 and A549 cells, which express wild-type p53. Furthermore, BCI treatment increased the level of cellular reactive oxygen species and pre-treatment of cells with N-acetylcysteine markedly attenuated BCI-mediated apoptosis of NCI-H1299 cells. BCI induced cellular morphological changes, inhibited viability, and produced reactive oxygen species in NCI-H1299 cells in a dose-dependent manner. BCI induced processing of caspase-9, caspase-3, and poly ADP-ribose polymerase as well as the release of cytochrome c from the mitochondria into the cytosol. In addition, BCI downregulated Bcl-2 expression and enhanced Bax expression in a dose-dependent manner in NCI-H1299 cells. However, BCI failed to modulate the expression of the death receptor and extrinsic factor caspase-8 and Bid, a linker between the intrinsic and extrinsic apoptotic pathways in NCI-H1299 cells. Thus, BCI induces apoptosis via generation of reactive oxygen species and activation of the intrinsic pathway in NCI-H1299 cells.

关键词： non-small cell lung cancer apoptosis BCI cytotoxicity anticancer ROS

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Defect-Detection Model for Underground Parking Lots Using Image Object-Detection Method

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Computers, Materials & Continua 2021年第3期66卷 2493-2507页

作者： Hyun Kyu shin Si woon Lee Goo Pyo Hong Lee Sael Sang Hyo Lee Ha Young Kim Architectural Engineering Hanyang UniversityERICAAnsan15588Korea Department of Artificial Intelligence Ajou UniversitySuwon16499Korea Division of Architecture and Civil Engineering Kangwon National UniversitySamcheok25913Korea Division of Smart Convergence Engineering Hanyang UniversityERICAAnsan15588Korea Graduate School of Information Yonsei UniversitySeoul03722Korea

The demand for defect diagnoses is gradually gaining ground owing to the growing necessity to implement safe inspection methods to ensure the durability and quality of ***,conventional manpower-based inspection methods not only incur considerable cost and time,but also cause frequent disputes regarding defects owing to poor ***,the demand for an effective and efficient defect-diagnosis model for concrete structures is imminent,as the reduction in maintenance costs is significant from a long-term ***,this paper proposes a deep learning-based image objectidentification method to detect the defects of paint peeling,leakage peeling,and leakage traces that mostly occur in underground parking lots made of concrete *** deep learning-based object-detection method can replace conventional visual inspection methods.A faster region-based convolutional neural network(R-CNN)model was used with a training dataset of 6,281 images that utilized a region proposal network to objectively localize the regions of interest and detect the surface *** defects were classified according to their type,and the learning of each exclusive model was ensured through test sets obtained from real underground parking *** a result,average precision scores of 37.76%,36.42%,and 61.29%were obtained for paint peeling,leakage peeling,and leakage trace defects,***,this study verified the performance of the faster RCNN-based defect-detection algorithm along with its applicability to underground parking lots.

关键词： Faster R-CNN deep learning defect detection concrete structures

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Anaphylactic shock induced by polyethylene glycol after bowel preparation for the colorectal cancer surgery:A case report

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世界临床病例杂志 2023年第23期11卷 5589-5594页

作者： Go woon Park Nahyeon Park Jung Cheol Kuk Eung Jin shin Dae Ro Lim Department of General Surgery Soonchunhyang Bucheon HospitalBucheon 14584South Korea

BACKGROUND Polyethylene glycol(PEG)is widely used as an additive because of its hydrophilic and chemically inert ***,there are been increasing reports of PEG allergies,including anaphylaxis,although they are still *** case report aims to raise awareness,that the commonly used bowel cleansing agent containing PEG can cause serious allergic *** SUMMARY Prior to surgery for sigmoid colon cancer,a 63-year-old man was prescribed a bowel cleansing agent containing *** 30 min of ingestion,he developed symptoms of anaphylactic shock and did not respond to initial intramuscular epinephrine *** diagnosis of anaphylaxis to PEG,he was stabilized with fluid hydration and continuous norepinephrine *** While allergic reactions to PEG are rare,they can be ***,it is crucial for clinicians to be aware of this possibility and to diagnose and resuscitate patients immediately.

关键词： Polyethylene glycol Anaphylaxis Sigmoid colon cancer Bowel preparation Case report

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A case study of environmental characteristics on urban road-surface and air temperatures during heat-wave days in Seoul

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Atmospheric and Oceanic Science Letters 2019年第4期12卷 261-269页

作者： KIM Yoo-Jun KIM Baek-Jo shin Yoon-Sook KIM Hui-Won KIM geon-Tae KIM Seon-Jeong High Impact Weather Research Center National Institute of Meteorological Sciences

High road-surface temperature due to heat waves can lead to dangerous driving conditions such as tire blowouts and deformation induced by thermal stress on the roads. In this study, a Mobile Observation Vehicle dataset, with high spatial and temporal resolutions for the heat-wave episode that occurred on 16–17 August 2018, is used to understand environmental characteristics on urban road-surface and air temperatures in Seoul. This study demonstrates that the magnitude of urban road-surface temperature is dependent on the differences in incoming solar radiation due to screening of high-rise buildings in the Gangnam area, and is associated with the topographical features in the Gangbuk area. The road-surface temperature in the section of darker-colored asphalts was higher than that of lighter-colored asphalts, with a mean difference of 6.8°C, and both surface and air temperatures on the iron plate were highest, with means of 51.7°C and 35.1°C,respectively. In addition, during the water-sprinkling period, road-surface temperature was cooled by about 8.7°C(19%) compared with that in the period without water-sprinkling, but there was no significant change in air temperature. The current results could be practically used to improve roadsurface temperature prediction models for civil engineers or road managers.

关键词： Heat wave road-surface temperature mobile observation vehicle Seoul

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