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Prevalence of nonalcoholic fatty liver disease in pediatrics and adolescents:a systematic review and meta-analysis

World Journal of Pediatrics 2024年第6期20卷 569-580页

作者： Eun Joo Lee Miyoung Choi Sang Bong Ahn Jeong-Ju Yoo seong Hee Kang Yuri Cho do seon song Hong Koh Dae Won Jeon Hye Won Lee Department of Pediatrics Yonsei University College of MedicineSeoulKorea Clinical Evidence Research National Evidence-Based Healthcare Collaborating Agency(NECA)SeoulKorea Department of Internal Medicine Nowon Eulji Medical CenterEulji University College of MedicineSeoulKorea Department of Internal Medicine Soonchunhyang University Bucheon HospitalBucheonKorea Department of Internal Medicine Sangkye Paek HospitalInje University College of MedicineSeoulKorea Center for Liver and Pancreatobiliary Cancer National Cancer CenterGoyangKorea Department of Internal Medicine College of MedicineSt.Vincent's HospitalThe Catholic University of KoreaSuwonKorea Department of Internal Medicine Hanyang University College of MedicineSeoulKorea Department of Internal Medicine Yonsei University College of MedicineSeoulKorea

Background As childhood obesity escalates worldwide,the prevalence of nonalcoholic fatty liver disease(NAFLD)in pediatric and adolescent populations is also ***,systematic studies and meta-analyses evaluating the prevalence of pediatric NAFLD remain *** The MEDLINE,Korean Medical Database(KMBASE),Embase,Global Health,and Cochrane Library databases were searched from January 1997 to April *** terms included NAFLD or steatosis;nonalcoholic or steatohepatitis;child(ren),adolescent,or teenager;and prevalence,incidence,or epidemiology.A random-effects meta-analysis model was used to estimate the prevalence of pediatric *** A total of 2116 publications were found,of which 62 were included in the *** them,27 reported the prevalence in the general population and 39 in the obese *** worldwide pooled prevalence of pediatric NAFLD was 13%[95%confidence interval(CI)9-18%]in the general population and 47%(95%CI 41%–53%)in the obese *** 16 studies in the general population and 18 in the obese population,NAFLD prevalence varied by *** the general population,the prevalence of NAFLD was 15%(95%CI 8%–23%)in males and 10%(95%CI 6%–15%)in *** the obese population,it was 54%(95%CI 46%–61%)in males and 39%(95%CI 30%–49%)in *** The global prevalence of pediatric NAFLD is rising in both the general and obese *** the increasing rates of childhood obesity,epidemiological studies on the prevalence and incidence of NAFLD are needed.

关键词： Meta-analysis Nonalcoholic fatty liver disease Pediatric Prevalence

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Durability of viral response after off-treatment in HBeAg positive chronic hepatitis B

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World Journal of Gastroenterology 2012年第43期18卷 6277-6283页

作者： Myeong Jun song do seon song Hee Yeon Kim Sun Hong Yoo Si Hyun Bae Jong Young Choi Seung Kew Yoon Yong-Han Paik June Sung Lee Hyun Woong Lee Hyung Joon Kim Departments of Internal Medicine College of Medicine The Catholic University of Korea Seoul 137-040 South Korea Departments of Internal Medicine Samsung Medical Center Sungkyunkwan University School of Medicine Seoul 135-710 South Korea Departments of Internal Medicine College of Medicine Inje University Ilsan Paik Hospital of The Korea Goyang-si 411-706 South Korea Departments of Internal Medicine College of Medicine The Chung-Ang University of Korea Seoul 156-755 South Korea

AIM:To evaluate the durability in hepatitis B e antigen (HBeAg) positive chronic hepatitis B patients who discontinued antiviral treatment. METHODS:A total of 48 HBeAg positive chronic hepatitis B patients who were administered nucleoside analogues and maintained virological response for ≥ 6 mo [hepatitis B virus (HBV) DNA 104 copies/mL after HBeAg seroconversion with previously undetectable HBV-DNA level. RESULTS:During the median follow-up period of 18.2 mo (range:5.1-47.5 mo) after cessation of antiviral treatment, the cumulative serological recurrence rate was 15 % at 12 mo. The median duration between the cessation of antiviral treatment and serologic recurrence was 7.2 mo (range:1.2-10.9 mo). Of the 48 patients with HBeAg positive chronic hepatitis, 20 (41.6%) showed virological recurrence. The cumulative virologic recurrence rates at 12 mo after discontinuing the antiviral agent were 41%. The median duration between off-treatment and virologic recurrence was 7.6 mo (range:4.3-27.1 mo). The mean age of the virological recurrence group was older than that of the non-recurrence group (46.7 ± 12.1 years vs 38.8 ± 12.7 years, respectively; P = 0.022). Age (> 40 years) and the duration of consolidation treatment (≥ 15 mo) were significant predictive factors for offtreatment durability in the multivariate analysis [P = 0.049, re

关键词：慢性乙型肝炎抗病毒治疗 HBeAg 乙型肝炎病毒耐久性阳性 DNA水平反应

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Hepatic arterial infusion chemotherapy in hepatocellular carcinoma with portal vein tumor thrombosis

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World Journal of Gastroenterology 2013年第29期19卷 4679-4688页

作者： do seon song Si Hyun Bae Myeong Jun song Sung Won Lee Hee Yeon Kim Young Joon Lee Jung Suk Oh Ho Jong Chun Hae Giu Lee Jong Young Choi Seung Kew Yoon Department of Internal Medicine College of Medicine The Catholic University of Korea Seoul 137-040 South Korea Department of Radiology College of Medicine The Catholic University of Korea Seoul 137-040 South Korea

AIM: To evaluate the prognostic factors and efficacy of hepatic arterial infusion chemotherapy in hepatocellular carcinoma with portal vein tumor thrombosis. METHODS: Fifty hepatocellular carcinoma (HCC) patients with portal vein tumor thrombosis (PVTT) were treated using hepatic arterial infusion chemotherapy (HAIC) via a subcutaneously implanted port. The epirubicin-cisplatin-5-fluorouracil (ECF) chemotherapeutic regimen consisted of 35 mg/m 2 epirubicin on day 1, 60 mg/m 2 cisplatin for 2 h on day 2, and 500 mg/m 2 5-fluorouracil for 5 h on days 1-3. The treatments were repeated every 3 or 4 wk. RESULTS: Three (6%) of the 50 patients achieved a complete response (CR), 13 (26%) showed partial responses (PR), and 22 (44%) had stable disease (SD).The median survival and time to progression were 7 and 2 mo, respectively. After 2 cycles of HAIC, CR was achieved in 1 patient (2%), PR in 10 patients (20%) and SD in 26 patients (52%). Significant pre-treatment prognostic factors were a tumor volume of < 400 cm 3 (P = 0.01) and normal levels of protein induced by vitamin K absence or antagonist (PIVKA)-Ⅱ (P = 0.022). After 2 cycles of treatment, disease control (CR + PR + SD) (P = 0.001), PVTT response (P = 0.003) and α-fetoprotein reduction of over 50% (P = 0.02) were independent factors for survival. Objective response (CR + PR), disease control, PVTT response, and combination therapy during the HAIC were also significant prognostic factors. Adverse events were tolerable and successfully managed. CONCLUSION: HAIC may be an effective treatment modality for advanced HCC with PVTT in patients with tumors < 400 cm 3 and good prognostic factors.

关键词： Hepatocellular carcinoma Hepatic arterial infusion chemotherapy Portal vein tumor thrombosis

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Outcome of transarterial chemoembolization-based multi-modal treatment in patients with unresectable hepatocellular carcinoma

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World Journal of Gastroenterology 2015年第8期21卷 2395-2404页

作者： do seon song Soon Woo Nam Si Hyun Bae Jin dong Kim Jeong Won Jang Myeong Jun song Sung Won Lee Hee Yeon Kim Young Joon Lee Ho Jong Chun Young Kyoung You Jong Young Choi Seung Kew Yoon Department of Internal Medicine College of Medicine The Catholic University of Korea Department of Internal Medicine Cheju Halla General Hospital Department of Radiology College of Medicine The Catholic University of Korea Department of Surgery College of Medicine The Catholic University of Korea

AIM:To investigate the efficacy and safety of transarterial chemoembolization(TACE)-based multimodal treatment in patients with large hepatocellular carcinoma(HCC).METHODS:A total of 146 consecutive patients were included in the analysis,and their medical records and radiological data were reviewed ***:In total,119 patients received TACE-based multi-modal treatments,and the remaining 27 received conservative *** survival(Pdownstaging resultedin long-term survival in patients with large,unresectable HCC.

关键词： Hepatocellular carcinoma Multimodal treatment Tran

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Assessment of scoring systems for acute-on-chronic liver failure at predicting short-term mortality in patients with alcoholic hepatitis

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World Journal of Gastroenterology 2016年第41期22卷 9205-9213页

作者： Hee Yeon Kim Chang Wook Kim Tae Yeob Kim do seon song dong Hyun Sinn Eileen L Yoon Young Kul Jung Ki Tae Suk Sang Soo Lee Chang Hyeong Lee Tae Hun Kim Jeong Han Kim Hyung Joon Yim Sung Eun Kim Soon Koo Baik Byung Seok Lee Jae Young Jang Young Seok Kim Sang Gyune Kim Jin Mo Yang Joo Hyun Sohn Heon Ju Lee Seung Ha Park Eun Hee Choi dong Joon Kim Korean Acute-on-Chronic Liver Failure Study Group Department of Internal Medicine College of MedicineThe Catholic University of KoreaSeoul 06591South Kerea Institute of Medical Science Hanyang UniversitySeoul 04763South Kerea Department of Internal Medicine Samsung Medical CenterSeoul 06351South Kerea Department of Internal Medicine Inje University Sanggye Paik HospitalSeoul 01757South Kerea Department of Internal Medicine Korea University Ansan HospitalAnsan 15355South Korea Department of Internal Medicine Hallym University Chuncheon Sacred Heart HospitalChuncheon 24253South Kerea Department of Internal Medicine Gyeongsang National University HospitalJinju 52727South Kerea Department of Internal Medicine Catholic University of Daegu School of MedicineDaegu 42472South Kerea Department of Internal Medicine Ewha Womans University School of MedicineSeoul 07985South Kerea Department of Internal Medicine Konkuk University School of MedicineSeoul 05030South Kerea Department of Internal Medicine Hallym University Sacred Heart HospitalAnyang 14068South Kerea Department of Internal Medicine Yonsei University Wonju College of MedicineWonju 26426South Kerea Department of Internal Medicine Chungnam National UniversitySchool of MedicineDaejeon 35015South Kerea Department of Internal Medicine Soonchunhyang University College of MedicineSeoul 04401South Kerea Department of Internal Medicine Soonchunhyang University Bucheon HospitalBucheon 14584South Kerea Department of Internal Medicine Hanyang University Guri HospitalGuri 11923South Kerea Department of Internal Medicine Yeungnam University College of MedicineDaegu 42415South Kerea Department of Internal Medicine Inje University Haeundae Paik-HospitalInje University College of MedicineBusan 48108South Kerea Institute of Lifestyle Medicine Yonsei University Wonju College of MedicineWonju 26426South Kerea 不详

AIM To assess the performance of proposed scores specific for acute-on-chronic liver failure in predicting shortterm mortality among patients with alcoholic *** We retrospectively collected data from 264 patients with clinically diagnosed alcoholic hepatitis from January to December 2013 at 21 academic hospitals in Korea. The performance for predicting short-term mortality was calculated for Chronic Liver FailureSequential Organ Failure Assessment(CLIF-SOFA), CLIF Consortium Organ Failure score(CLIF-C OFs), Maddrey'sdiscriminant function(DF), age, bilirubin, international normalized ratio and creatinine score(ABIC), Glasgow Alcoholic Hepatitis Score(GAHS), model for end-stage liver disease(MELD), and *** Of 264 patients, 32(12%) patients died within 28 d. The area under receiver operating characteristic curve of CLIF-SOFA, CLIF-C OFs, DF, ABIC, GAHS, MELD, and MELD-Na was 0.86(0.81-0.90), 0.89(0.84-0.92), 0.79(0.74-0.84), 0.78(0.72-0.83), 0.81(0.76-0.86), 0.83(0.78-0.88), and 0.83(0.78-0.88), respectively, for 28-d mortality. The performance of CLIF-SOFA had no statistically significant differences for 28-d mortality. The performance of CLIF-C OFs was superior to that of DF, ABIC, and GAHS, while comparable to that of MELD and MELD-Na in predicting 28-d mortality. A CLIF-SOFA score of 8 had 78.1% sensitivity and 79.7% specificity, and CLIF-C OFs of 10 had 68.8% sensitivity and 91.4% specificity for predicting 28-d *** CLIF-SOFA and CLIF-C OF scores performed well, with comparable predictive ability for short-term mortality compared to the commonly used scoring systems in patients with alcoholic hepatitis.

关键词： Acute-on-chronic 肝失败含酒精的肝炎死亡预后得分系统

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Malignant melanotic nerve sheath tumors in the spinal canal of psammomatous and non-psammomatous type: Two case reports

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World Journal of Clinical Cases 2022年第24期10卷 8735-8741页

作者： Jeong A Yeom You seon song In Sook Lee In Ho Han Kyung Un Choi Department of Radiology Pusan National University Yangsan HospitalYangsan 50612South Korea Department of Radiology Pusan National University HospitalBusan 49241South Korea Department of Neurosurgery Pusan National University HospitalBusan 49241South Korea Department of Pathology Pusan National University HospitalBusan 49241South Korea

BACKGROUND A malignant melanotic nerve sheath tumor(MMNST),previously known as a melanotic schwannoma,is a rare variant of a peripheral nerve sheath tumor composed of Schwann cells with melanotic *** a few reports of spinal MMNST have been *** SUMMARY In the first case,a 58-year-old woman presented with a history of low back pain and *** resonance imaging(MRI)and computed tomography(CT)of the lumbar spine revealed an intradural extramedullary mass lesion with amorphous linear *** tumor resection was performed and histological examination revealed a psammomatous melanotic *** the second case,a 72-year-old man presented with low back pain and *** of the thoracolumbar spine revealed an intramedullary mass lesion at the T11 vertebral body *** mass lesion was hypointense on T2WI and hyperintense on *** resection was performed and the histologic result was melanotic *** MMNST should be considered in the differential diagnosis when calcification or melanin is seen in an intradural spinal tumor.

关键词： Nerve sheath neoplasm Extramedullary Malignant Melanotic Magnetic resonance imaging Case reports

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A dynamic infiltration technique to synthesize nanolayered cathodes for high performance and robust solid oxide fuel cells

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Journal of Energy Chemistry 2022年第7期31卷 201-210,I0006页

作者： Saeed Ur Rehman Ho-seon song Hye-Sung Kim Muhammad Haseeb Hassan dong-Woo Joh Rak-Hyun song Tak-Hyoung Lim Jong-Eun Hong Seok-Joo Park Seung-Bok Lee High Temperature Energy Conversion Laboratory Korea Institute of Energy Research152Gajeong-roYuseong-gu.Daejeon34129.Republic of Korea Department of Advanced Energy and System Engineering University of Science and Technology.217 Gajeong-ro.Yuseong-gu.Daejeon 34113.Republicof Korea

Solution infiltration is a popular technique for the surface modification of solid oxide fuel cell(SOFC)***,the synthesis of nanostructured SOFC cathodes by infiltration is a tedious process that often requires several infiltration and high temperature(≥500℃)calcination ***,fabricating large-area nanostructured cathodes via infiltration still requires serious ***,we propose a facile and scalable urea assisted ultrasonic spray infiltration technique for nanofabrication of SOFC *** is demonstrated that by using urea as a precipitating agent,the calcination after each infiltration cycle can be omitted and the next infiltration can be performed just after a drying step(≤100℃).Finally,the precipitates can be converted into a desired catalyst phase in single calcination thus,a nanostructured cathode can be fabricated in a much faster *** is also shown that the low calcination temperature of the cathode(≤900℃)can produce highly durable SOFC performance even without employing a Ce_(0.9)Gd_(0.1)O_(2)(GDC)diffusion barrier layer which provides the ease of SOFC *** coupling with an ultrasonic spray technique,the urea assisted infiltration can be scaled up for any desired cathode ***_(0.6)Sr_(0.4)Co_(0.2)Fe_(0.8)O_(3) nanolayered cathode was fabricated and it was characterized by scanning electron microscope(SEM),X-ray diffraction(XRD),and transmission electron microscopy(TEM)*** showed the formation of a nanolayer cathode just after 5 cycles of the urea assisted infiltration while the XRD and TEM confirmed the phase and stoichiometric uniformity of the 100 nm cathode *** effectiveness of the newly developed technique was further verified by the stable operation of a GDC buffer layer free SOFC having an active cathode area of 25 cm^(2) during a 1200 h durability *** research outcomes propose urea assisted ultrasonic spray infiltration as a facile,scalable,and commercially viable method

关键词： Solid oxide fuel cell(SOFC) Cathode Infiltration Nanolayer Nanofabrication GDC barrier layer free SOFC

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Effects of corner modifications on wind loads and local pressures on walls of tall buildings

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Building Simulation 2021年第4期14卷 1109-1126页

作者： K.T.Tse Gang Hu Jie song Hyo seon Park Bubryur Kim Department of Civil and Environmental Engineering Hong Kong University of Science and TechnologyClear Water BayKowloonHong KongChina School of Civil and Environmental Engineering Harbin Institute of TechnologyShenzhen518055China Engineering Research Center of Urban Disasters Prevention and Fire Rescue Technology of Hubei Province School of Civil EngineeringWuhan UniversityWuhan430072China Department of Architectural Engineering Yonsei UniversitySeoul120-749R.O.Korea Department of Architectural Engineering Kyungil UniversityGyeongbukR.O.Korea

In this study, the aerodynamic characteristics of tall buildings with corner modifications (e.g., local wind force coefficients, mean pressure distributions, normalized power spectrum density, and extreme local pressure) were examined. Wind tunnel experiments were conducted to measure the wind pressures on building models with different heights and recessed corners of different ratios. At a wind direction of a = 0° (i.e., wind blowing on the front of a building), corner modifications effectively reduced wind forces in all cases. Specifically, small corner modification ratios reduced wind forces more effectively than their larger counterparts. However, corner modifications resulted in extreme local pressure on building surfaces. In addition, for small corner modification ratios, the probability of extreme local pressure occurring at a = 0° was high. This probability was also high for large corner modification ratios at a = 15° (i.e., wind blowing slightly obliquely on the front of a building) because wind blowing obliquely creates substantial vortex shedding on one side surface and extreme negative pressure over one building side surface. Results of computational fluid dynamic modeling were adopted to determine details of the aerodynamic characteristics of tall buildings with corner modifications.

关键词： tall building aerodynamic modification local pressure extreme local wind loads proper orthogonal decomposition computational fluid dynamics

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Dieckol isolated from Eisenia bicyclis extract suppresses RANKL-induced osteoclastogenesis in murine RAW 264.7 cells

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Asian Pacific Journal of Tropical Biomedicine 2022年第6期12卷 262-269页

作者： Su-Hyeon Cho Tae-Hyung Kwon Hoibin Jeong Jin Sook Kim song-Rae Kim Myeong seon Jeong seonJu Park Miri Choi Jung-Hee Woo Juhee Ahn Kil-Nam Kim Chuncheon Center Korea Basic Science InstituteChuncheon 24341Republic of Korea Department of Medical Biomaterials Engineering College of Biomedical SciencesKangwon National UniversityChuncheon 24341Republic of Korea Department of Research and Development Chuncheon Bio-industry FoundationChuncheonRepublic of Korea Marine Industry Research Institute for East se rim Uljin-gunGyeongsangbuk-doRepublic of Korea Department of Bio-analysis Science University of Science&TechnologyDaejeon34113Republic of Korea

Objective:To demonstrate the effect of dieckol from Eisenia bicyclis on osteoclastogenesis using RAW 264.7 ***:Murine macrophage RAW 264.7 cells were subjected to dieckol treatment,followed by treatment with receptor activator of nuclear factor kappa-B ligand(RANKL)to induce ***-resistant acid phosphatase(TRAP)activity was examined using a TRAP activity *** blotting analysis was conducted to examine the level of osteoclast-related factors,including TRAP and calcitonin receptor(CTR),transcriptional factors,including c-Fos,c-Jun,and nuclear factor of activated T cells cytoplasmic 1(NFATc1),nuclear factor kappa-B(NF-κB),extracellular signal-regulated kinase(ERK),and c-Jun N-terminal kinase(JNK).Immunofluorescence staining was conducted to examine the expression of c-Fos,c-Jun,and ***:Among the four phlorotannin compounds present in Eisenia bicyclis,dieckol significantly hindered osteoclast differentiation and expression of RANKL-induced TRAP and *** addition,dieckol downregulated the expression levels of c-Fos,c-Jun,NFATc1,ERK,and JNK,and suppressed NF-κB ***:Dieckol can suppress RANKL-induced ***,it has therapeutic potential in treating osteoclastogenesis-associated diseases.

关键词： Eisenia bicyclis Dieckol Osteoclasts ERK JNK NF-κB RANKL TRAP Calcitonin receptor NFATc1 RAW 264.7 cell

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Fabrication of Near Net Shape Metallic Foam via Plaster Mould

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Journal of Materials Science & Technology 2008年第3期24卷 335-339页

作者： Young-Hwan song Hwan-Goo seon Soo-Han Parka Min-Jae Jeong Bo-Young Hur i-Cube Center School of Nano and Advanced Materials EngineeringGyeongsang National University ERIC School of Nano and Advanced Materials EngineeringGyeongsang National University

Fabrication characteristics are unstable in direct foaming method. Therefore, most of near net-shape metallic foams are produced, and investigated by powder metallurgy. Direct foaming method, however, has many benefits （i.e. reduce the unit cost of goods and fabrication process etc.） to fabrication of metallic foams. In this article, the fabrication characteristic of near net-shape metallic foams by direct foaming method was evaluated. Al and Plaster was used for base material and mould material respectively. Ca and TiH2 were added to molten Al as thickening and blowing agent for stable condition of bubbles. Thickening time was about 10 min with a stirring speed of 600 r/min. Foaming time was 30-120 s for evaluation of the optimum foaming condition. Amount of agent was selected by pre-experimental data. Porosity of near net-shape goods was measured by Archimedes method. On the other hand, it seems that increasing poring time and thickening agent make the poor porosity

关键词： Metal foam Near net shape foam Porosity

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