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Short-term and long-term outcomes of laparoscopic vs open ileocolic resection in patients with Crohn's disease: Propensityscore matching analysis

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World Journal of Gastroenterology 2021年第41期27卷 7159-7172页

作者： Shin Jeong Pak Young Il Kim Yong Sik Yoon Jong Lyul lee jung bok lee Chang Sik Yu Department of Colon and Rectal Surgery University of Ulsan College of MedicineAsan Medical CenterSeoul 05505South Korea Department of Clinical Epidemiology and Biostatistics University of Ulsan College of MedicineAsan Medical CenterSeoul 05505South Korea

BACKGROUND Laparoscopic ileocolic resection(LICR)is the preferred surgical approach for primary ileocolic Crohn’s disease(CD)because it has greater recovery benefits than open ICR(OICR).AIM To compare short-and long-term outcomes in patients who underwent LICR and *** Patients who underwent ICR for primary CD from 2006 to 2017 at a single tertiary center specializing in CD were *** who underwent LICR and OICR were subjected to propensity-score matching *** were propensityscore matched 1:1 by factors potentially associated with 30-d perioperative *** included demographic characteristics and disease-and treatment-related *** were compared using univariate and multivariate ***-term surgical recurrence-free survival(SRFS)in the two groups was determined by the Kaplan-Meier method and compared by the log-rank *** During the study period,348 patients underwent ICR,211 by the open approach and 137 ***-score matching yielded 102 pairs of *** rate of postoperative complication was significantly lower(14%versus 32%,P=0.003),postoperative hospital stay significantly shorter(8 d versus 13 d,P=0.003),and postoperative pain on day 7 significantly lower(1.4 versus 2.3,P<0.001)in propensity-score matched patients who underwent LICR than in those who underwent *** analysis showed that postoperative complications were significantly associated with preoperative treatment with biologics[odds ratio(OR):3.14,P=0.01]and an open approach to surgery(OR:2.86,P=0.005).The 5-and 10-year SRFS rates in the matched pairs were 92.9%and 83.3%,respectively,with SRFS rates not differing significantly between the OICR and LICR *** performance of additional procedures was an independent risk factor for surgical recurrence[hazard ratio(HR):3.28,P=0.02].CONCLUSION LICR yielded better short-term outcomes and postoperative recovery than OICR,with no differences in long-ter

关键词： Crohn’s disease Laparoscopic Surgery Postoperative complications Recurrence Propensity score Retrospective study

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Radiologic factors related to double-bar insertion in minimal invasive repair of pectus excavatum

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World Journal of Pediatrics 2015年第2期11卷 148-153页

作者： Ki Hwan Kim Ki Yeol lee jung bok lee Kyung-Sook Yang Jinwook Hwang Bo Kyung Je Hyung Joo Park Department of Radiology Korea University College of MedicineAnsanKorea1 Department of Clinical Epidemiology and Biostatics Asan Medical CenterUniversity of Ulsan College of MedicineSeoulKorea Department of Biostatistics Korea University College of MedicineSeoulKorea Departmentof Thoracic Surgery Korea University College of MedicineAnsanKorea Department of Thoracic and Cardiovascular Surgery Seoul St.Mary's Hospitalthe Catholic University of KoreaSeoulKorea

Background:Pectus excavatum is the most common congenital chest wall deformity,with a high incidence in live *** study aimed to evaluate the measured factors on CT images related to the number of pectus bars for surgical ***:A total of 497 patients who had undergone minimally invasive repair between April 2007 and July 2011 were classified into single-bar(n=358)and doublebar(n=139)insertion *** measured eight distinct distances and one angle on CT scans to reflect quantitative *** analysis and multivariate logistic regression analysis were performed to detect statistically significant association between radiologic measurements and the pectus bars ***:After adjusting for age and gender,the transverse distance(T),the transverse distance of the depression area(A),the inclined distance of the depression area(B),the AP distance of the depression area(C),the depression angle(G),and the eccentric distance of deformity(E)were significantly correlated with double-bar *** regression model showed that age(,P<0.0001),gender(P<0.0001),depression angle(G)(P<0.0001),direction of the depression(DD)(P<***1)and depression depth(D)(P<0.0001)were significantly associated with doublebar ***:CT scan provides useful factors which can be of assistance in predicting the number of pectus bars for the surgical correction of pectus excavatum.

关键词： computed tomography Nuss procedure pectus excavatum

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Simplified fistula dilation technique and modified stent deployment maneuver for EUS-guided hepaticogastrostomy

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World Journal of Gastroenterology 2014年第17期20卷 5051-5059页

作者： Woo Hyun Paik Do Hyun Park Jun-Ho Choi Joon Hyuk Choi Sang Soo lee Dong Wan Seo Sung Koo lee Myung-Hwan Kim jung bok lee Division of Gastroenterology Department of Internal MedicineUniversity of Ulsan College of MedicineAsan Medical CenterSeoul 138-736South Korea Department of Internal Medicine Inje University Ilsan Paik HospitalKoyang 411-706South Korea Department of Clinical Epidemiology and Biostatics University of Ulsan College of MedicineAsan Medical CenterSeoul 138-736South Korea

AIM: To evaluate the success rates, procedural time and adverse event rates of the modified methods in endoscopic ultrasonography-guided hepaticogastrostomy (EUS-HGS).

关键词： Endoscopic ultrasonography Biliary drainage Hepaticogastrostomy Treatment outcome Adverse event

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Anti-Obesity Effects of Chang-Chul-Eui-Ee-ln-Tang(苍术薏苡仁汤) in Female Rats with Diet-Induced Obesity

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Chinese Journal of Integrative Medicine 2011年第12期17卷 925-932页

作者： Sunmin Park jung bok lee James W.Daily Department of Food and Nutrition Obesity/Diabetes Research InstitutesHoseo UniversityAsan(336-795)South Korea Daily Manufacturing IncRockwellNC

Objective： To investigate the effects of Chang-ChuI-Eui-Ee-ln-Tang （苍术薏苡仁汤, CCEET）, modified CCEET （MCCEET）, and Semen Coicis （SC, a major component of CCEET） on energy and glucose homeostasis. The possible mechanism of action of CCEET was also determined. Methods： A total of 100 Sprague Dawley female rats were randomly assigned to 5 groups, with 20 in each group. Rats in 4 groups were fed with a high fat diet supplementation （2 g/kg body weight）, and water extracts of CCEET, MCCEET, SC, and cellulose （negative control）, respectively. The last group was fed with a low-fat diet as a positive control. Results： CCEET and MCCEET decreased body weight and body fat （mesenteric and retroperitoneal fat） more than SC. This decrease was due to decreased energy intake and increased energy expenditure and fat oxidation. The improvement in energy homeostasis was associated with the enhancement of the hypothalamic leptin signalling pathway involving potentiating the phosphorylation of the signal transducer and activator of transcription-3, as well as attenuating the phosphorylation of 5＇ adenosine monophosphate-activated protein kinase （AMPK）. Both CCEET and MCCEET improved glucose tolerance without changing serum insulin levels during an oral glucose tolerance test but MCCEET had a better effect than CCEET. Conclusions： Both CCEET and MCCEET safely exerted anti-obesity effects by enhancing energy balance in female rats with diet-induced obesity; MCCEET showed a better effect on glucose homeostasis.

关键词： Chang-ChuI-Eui-Ee-ln-Tang Semen Coicis leptin signal transducer and activator oftranscription-3 5' adenosine monophosphate-activated protein kinase hypothalamus

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Effects of annealing temperature and neodymium concentration on structural and photoluminescence properties of Nd^(3+)-doped Y_(2)O_(3)-SiO_(2) powders

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Journal of Rare Earths 2021年第6期39卷 651-656,I0002页

作者： NoSoung Myoung Gyeong bok jung Advanced Photonics Research Institute Gwangju Institute of Science and TechnologyGwangju 61005South Korea Department of Physics Education Chosun UniversityGwangju 61452South Korea

We report the structural and photoluminescence(PL) properties of Nd^(3+)-doped Y_(2)O_(3)-SiO_(2) powders(Y_(2)O_(3)-SiO_(2):Nd^(3+)) as functions of annealing temperature and Nd^(3+) ion doping concentration.Y_(2)O_(3)-SiO_(2):Nd^(3+)powders were prepared using the high-energy ball-milling(HEBM) method,and their structural and PL properties were investigated using X-ray diffraction(XRD),Fourier transform infrared(FTIR) spectroscopy,and PL *** XRD results reveal a cubic phase without impurities,and the peak broadening decreases with an increase in annealing temperature due to the increase in the crystallite *** PL emission intensity increases with an increase in annealing *** highest PL emission intensity is observed for the 300-min milled mixture annealed at 1000℃ for 1 h with a Nd^(3+) concentration of 1 mol%.The PL peaks excited by 800 nm radiation were detected,centered at 1080 nm(^(4)F_(3/2)→^(4)I_(11/2)) and 1350 nm(^(4)F_(3/2)→^(4)I_(13/2)).

关键词： Nd^(3+)-doped Y_(2)O_(3)-SiO_(2)powders High-energy ball-milling method Near infrared photoluminescence emission Rare earth Annealing temperature

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Enrichment by air classification of indium components from In-containing scrap powders scraped by sand-blasting chamber shields of sputter coaters

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Rare Metals 2010年第1期29卷 1-8页

作者： Sungkyu lee Soo-bok Jeong Hang-Chul jung Hyun Seon Hong Yongseung Yun Sang Mo Woo Plant Engineering Center Institute for Advanced Engineering633-2 Goan-ri Baegam-myeon Cheoin-gu Yongin-si Gyeonggi-do 449-863 Korea Division of Chemical and Materials Engineering Ajou University 5 Wonchon Youngtong Suwon Gyeonggi-do 443-749 Korea Minerals and Materials Processing Division Korea Institute of Geo-science and Mineral Resources (KIGAM) 30 Gajeong-dong Yuseong-gu Daejeon 305-350 Korea Plant Engineering Center Institute for Advanced Engineering633-2 Goan-ri Baegam-myeon Cheoin-gu Yongin-siGyeonggi-do 449-863 Korea 9 Digit Co. Ltd. 20BL-10L Namdong Industrial Complex428-9 Nonhyeon-dong Namdong-gu Incheon 405-848 Korea

Raw scrap powders containing 10 wt.% In were recovered by sand-blasting chamber shields of sputter coaters and used as a sole source of indium components for both sieving and air-classification. Sieving was performed first as a feasibility test, and enrichment of indium component was possible up to 19 wt.% with a mesh size of 635. With this experimental basis, the raw scrap powders were air-classified into 12 lots according to the revolution per minute （r/min） of a single horizontally arranged classifying wheel： 4000, 6000, 8000, 10000, 12000, and 14000 r/rain. The particle cut size varied from 56 to 5 μm with turbo wheel speeds corresponding to 4000 to 14000 r/min, respectively, and enrichment of indium component was possible in fine overflow fractions at all turbo wheel speeds while the indium components were not concentrated in all of the coarse underflow fractions. The grade of the indium components became higher with decreasing particle size of the air-classified scrap powders, with the highest grade obtained in the fine overflow fraction with a turbo wheel speed of 14000 r/min. The amount of indium in the fine overflow fractions varied between 15.9 wt.% and 31.5 wt.%. All in all, the grade or purity of the indium component improved rather significantly from 15.9 wt.% to 31.5 wt.% by air-classification, but this also resulted in overall decrease in recovery rate from 99.33% to 49.64%. Therefore, enrichment and separation of indium should be optimized for maximum recovery and grade of the indium components, which can be used as raw materials in the subsequent electro-refining processes.

关键词： indium air-classification recycling indium tin oxide gas-cyclone dry dispersion

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Simultaneous determination of fourteen components of Gumiganghwal-tang tablet in human plasma by UPLC-ESI-MS/MS and its application to pharmacokinetic study

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Journal of Pharmaceutical Analysis 2021年第4期11卷 444-457页

作者： Seung-Hyun Jeong Ji-Hun Jang Guk-Yeo lee Seung-jung Yang Hea-Young Cho Yong-bok lee College of Pharmacy Chonnam National University77 Yongbong-roBuk-guGwangju61186Republic of Korea National Development Institute of Korean Medicine 288 Udeuraendeu-gilAnyang-myeonJangheung-gunJeollanam-do59338Republic of Korea Department of Oriental Rehabilitation Medicine Dongshin University Gwangju Korean Medicine Hospital141 Wolsan-roNam-guGwangju61619Republic of Korea College of Pharmacy CHA University335 Pangyo-roBundang-guSeongnam-siGyeonggi-do13488Republic of Korea

Gumiganghwal-tang is a traditional herbal medicine widely used for its anti-inflammatory,analgesic,and antipyretic ***,the safety and efficacy of its active ingredients based on an in vivo pharmacokinetic(PK)study have yet been *** have established a sensitive and accurate UPLC-ESI-MS/MS method and conducted a PK study on 14 constituents of Gumiganghwal-tang through human plasma *** conditions were optimized according to the physicochemical properties of the 14 compounds to facilitate efficient separation and eliminate overlap or interference between ***-C18 and Inertsil-C8 columns were used as UPLC stationary phases,and acetonitrile and aqueous formic acid were used as mobile *** the analytes were quantified with a triple quadrupole mass spectrometer using electrospray ionization in multiple reaction monitoring *** chromatograms of 14 bioactive compounds showed excellent elution and sensitivity,and each peak was selectively separated and quantified without interference with each other or *** established analytical method was based on international guidelines and was successfully used to perform PK studies of 14 herbal ingredients in humans after oral administration with Gumiganghwal-tang *** oral absorption of most active components of Gumiganghwal-tang was relatively rapid and remained considerably long in the body to be quantified in plasma up to 48 h after administration.

关键词： Gumiganghwal-tang Fourteen bioactive ingredients Simultaneous analysis UPLC-ESI-MS/MS Pharmacokinetics Clinical study

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Effect of Y and Y_2O_3 on oxidation of AZ91D Mg alloys between 400 ℃ and 500 ℃

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中国有色金属学会会刊：英文版 2009年第4期19卷 871-874页

作者： Sang-Hwan BAK Dong-bok lee School of Advanced Materials Science and Engineerin g Sungkyunkwan University

AZ91D,AZ91D+1%Y,and AZ91D+3%Y2O3(mass fraction) alloys were cast,and oxidized between 400 and 500 ℃ in *** oxidation resistance increased in the order of AZ91D,AZ91D+3%Y2O3,and AZ91D+1%Y,indicating that Y was more effective than Y2O3 in increasing the oxidation resistance of the Mg ***,all the alloys tested experienced ignition because the major oxide was MgO.

关键词：抗氧化性 Y2O3 镁合金 AZ91D 合金铸造质量分数氧化镁氧化物

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High Temperature Corrosion of Fe-C-S Cast Irons in Oxidizing and Sulfidizing Atmospheres

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Journal of Materials Science & Technology 2008年第3期24卷 327-329页

作者： Thuan-Dinh NGUYEN Dong-bok lee School of Advanced Materials Science and Engineering Sungkyunkwan University

The corrosion behavior of spheroidal graphite and flake graphite cast irons was studied in oxidizing and sulfidizing atmospheres between 600 and 800℃ for 50 h. The corrosion rate in the sulfidizing atmosphere was faster than that in air above 700℃, due to the formation of the Fe0.975S sulfide. The corrosion rate of the spheroidal graphite cast iron was similar to that of the flake graphite cast iron.

关键词： Cast iron Oxidation Sulfidation

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Next High Performance and Low Power Flash Memory Package Structure

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Journal of Computer Science & Technology 2007年第4期22卷 515-520页

作者： jung-Hoon lee ERI Control Instrumentation EngineeringGyeongSang National UniversityJinju660-701Korea

In general, NAND flash memory has advantages in low power consumption, storage capacity, and fast erase/write performance in contrast to NOR flash. But, main drawback of the NAND flash memory is the slow access time for random read operations. Therefore, we proposed the new NAND flash memory package for overcoming this major drawback. We present a high performance and low power NAND flash memory system with a dual cache memory. The proposed NAND flash package consists of two parts, i.e., an NAND flash memory module, and a dual cache module. The new NAND flash memory system can achieve dramatically higher performance and lower power consumption compared with any conventionM NAND-type flash memory module. Our results show that the proposed system can reduce about 78% of write operations into the flash memory cell and about 70% of read operations from the flash memory cell by using only additional 3KB cache space. This value represents high potential to achieve low power consumption and high performance gain.

关键词： flash memory NAND-type NOR-type memory localities buffer or cache memory

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