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Long-Term Outcome and Risk Factor Analysis of Surgical Pulmonary Valve Replacement in Congenital Heart Disease

Congenital Heart Disease 2022年第3期17卷 335-350页

作者： Woo Young Park Gi Beom kim Sang Yun Lee Mi Kyoung Song Hye Won Kwon Hyo soon An Eun Jung Bae Sungkyu Cho Jae Gun Kwak Woong-Han kim Department of Pediatrics Seoul National University Children’s HospitalSeoul National University College of MedicineSeoulKorea Department of Thoracic and Cardiovascular Surgery Seoul National University Children’s HospitalSeoul National University College of MedicineSeoulKorea

Objectives:To establish long-term outcome of surgical pulmonary valve replacement(PVR)in congenital heart disease(CHD)and to identify risk factors for overall mortality,operative mortality,and repetitive ***:This is a retrospective study of 375 surgical PVR in 293 patients who underwent surgical PVR for CHD between January 2000 and May *** only included patients with index PVR with previous open-heart surgery regardless of the number of *** previous surgical history of patients who underwent PVR during the study period was also *** who underwent the Rastelli operation,and those who underwent single PVR without previous open-heart surgery were ***:The median age of the patients at the time of surgical PVR was 14.9 years(Interquartile range,IQR,11.0–22.0).The median follow-up duration was 10.5 years(IQR,5.5–14.8 years).There were 3 patients with operative mortality(1.0%)and 15 patients with overall mortality(5.1%).The survival rate was 95.1%over 20 years follow-up *** analysis demonstrated that more than 3 times of previous open-heart surgeries before surgical PVR,older age at the first operation,longer cardiopulmonary bypass(CPB)time and longer intensive care unit(ICU)stay were predictors for overall *** who underwent surgical PVR after more than 3 times of previous open-heart surgeries had significantly higher mortality than those who underwent open-heart surgeries less than 3 times(P<0.001).Age younger than 10 years,male,multiple valve problems and longer ICU stay were significant predictors for repetitive PVR by multivariate ***:Though surgical PVR has excellent long-term outcome,it should be performed with caution for those who previously underwent multiple open-heart surgeries,especially if patient received more than 3 times of open-heart surgeries.

关键词： Pulmonary valve replacement mortality operative mortality repetitive pulmonary valve replacement risk factor analysis childhood

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Traumatic neuroma of remnant cystic duct mimicking duodenal subepithelial tumor:A case report

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World Journal of Clinical Cases 2020年第17期8卷 3821-3827页

作者： Dong-Hwan kim Ji-Ho Park Jin-Kyu Cho Jung-Wook Yang Tae-Han kim Sang-Ho Jeong Young-Hye kim Young-Joon Lee soon-Chan Hong Eun-Jung Jung Young-Tae Ju Chi-Young Jeong Ju-Yeon kim Department of Surgery Gyeongsang National University College of MedicineGyeongsang National University HospitalJinju 52727South Korea Department of Pathology Gyeongsang National University College of MedicineGyeongsang National University HospitalJinju 52727South Korea

BACKGROUND Gastrointestinal subepithelial tumors(GSTs),incidentally detected during upper gastrointestinal(GI)endoscopy,may be lesions derived from the GI wall or may be caused by compression from external *** general,traumatic neuroma is a benign nerve tumor that results from postoperative nerve injury,occurring in the bile duct as one of the complications after *** is the first case report demonstrating that neuroma of the cystic duct can be incorrectly perceived as a duodenal subepithelial tumor by compressing the duodenal *** SUMMARY We report the case of a 72-year-old man with traumatic neuroma of the cystic duct after *** tumor was mistaken for a duodenal subepithelial tumor on preoperative upper GI endoscopy and endoscopic ultrasonography due to external compression of the GI *** patient had no symptoms,and his laboratory test results were ***,in a series of follow-up endoscopies,the tumor was found to have grown in size,so it was surgically *** lesion was completely removed by laparoscopic endoscopic cooperative *** patient was discharged on postoperative day 7 without *** Traumatic neuroma of the cystic duct can be mistaken for GSTs in GI endoscopy.

关键词： Case report Neuroma Tumor Endoscopy Laparoscopy Cholecystectomy

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Spine Surgery in the Elderly;Septuagenarians & Older

Spine Surgery in the Elderly;Septuagenarians & Older

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2007年贵州省医学会骨科学分会学术年会

作者： Oh kim soon Island Hospital Spine Center GeorgetownPenang Malaysia

The elderly fraction of the population is hardly spared from spine disease and are regularly rav- aged by degenerative,traumatic and neoplastic *** are often faced with patients who,although chrono- logically advanced in age,were physiologically fit and mobile but are rendered moribund from spinal *** standard preparation techniques for geriatric patients,it has been possible to identify those patients who would toler- ate surgery and to deliver comprehensive operative treatment to this subset of the population in a safe and acceptable *** management of such patients require planning,technique and constant vigilance both in the operative and perioperative phase,making it a most challenging but not an insurmountable feat.

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Formation of unidirectional nanoporous structures in thickly anodized aluminum oxide layer

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中国有色金属学会会刊：英文版 2009年第4期19卷 1013-1017页

作者： Hyun-Chae NA Taek-Jin SUNG Seok-Heon YOON Seung-Kyoun HYUN Mok-soon kim Young-Gi LEE Sang-Hyun SHIN Seok-Moon CHOI Sung YI Division of Materials Science and Engineering Inha University Samsung Electro-Mechanics Co. Ltd.

A series of anodic aluminum oxide(AAO) was grown on the commercially pure 1050 aluminum sheet by controlling electrolyte temperature(2-15 ℃) and anodizing time(0.5-6 h),using a fixed applied current density of 3 A/dm2 in diluted sulfuric acid electrolyte.A crack-free thick AAO with the thickness of 105-120 μm and containing unidirectional nano sized pores(average pore diameter of 5-7 nm) is successfully achieved in the specimens anodized for 2 h,irrespective of electrolyte *** anodizing time reaches 6 h,very thick AAO with the thickness of 230-284 μm is grown,and average diameter of unidirectional pores is in the range of 6-24 *** higher values in both the AAO thickness and pore diameter are attained for the specimens anodized at higher temperatures of 10-15 ℃.A crack is observed to exist in the AAO after anodizing up to 4 h and more.A higher fraction(more than 9%) of the crack is shown in the specimens anodized at higher temperatures of 10-15 ℃ for 6 h and a considerable amount of giant cracks are contained.

关键词：阳极氧化铝纳米孔单向结构层电解液温度平均直径氧化时间硫酸电解液

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Comparative effectiveness of combined antiplatelet treatments in acute minor ischaemic stroke

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Stroke & Vascular Neurology 2022年第1期7卷 13-21页

作者： Shina kim Joon-Tae kim Ji Sung Lee Beom Joon kim jong-Moo Park Kyusik Kang Soo Joo Lee Jae Guk kim Jae-Kwan Cha Dae-Hyun kim Tai Hwan Park Sang-soon Park Kyung Bok Lee Jun Lee Keun-Sik Hong Yong-Jin Cho Hong-Kyun Park Byung-Chul Lee Kyung-Ho Yu Mi Sun Oh Dong-Eog kim Wi-Sun Ryu Jay Chol Choi Jee-Hyun Kwon Wook-Joo kim Dong-Ick Shin Sung-Il Sohn Jeong-Ho Hong Man-Seok Park Kang-Ho Choi Ki-Hyun Cho Juneyoung Lee Hee-Joon Bae Department of Neurology Chonnam National University HospitalChonnam National University Medical SchoolGwangjuKorea Clinical Research Center Asan Institute for Life SciencesAsan Medical CenterUniversity of Ulsan College of MedicineSeoulKorea Department of Neurology Cerebrovascular CenterSeoul National University Bundang HospitalSeongnamKorea Department of Neurology Uijeongbu Eulji Medical CenterEulji University School of MedicineUijeongbu-siKorea Department of Neurology Nowon Eulji Medical CenterEulji UniversitySeoulKorea Department of Neurology Eulji University HospitalEulji UniversityDaejeonKorea Department of Neurology Dong-a UniversityBusanKorea Department of Neurology Seoul Medical CenterSeoulKorea Department of Neurology Soonchunhyang University HospitalSeoulKorea Department of Neurology Yeungnam University HospitalDaeguKorea Department of Neurology Inje University Ilsan Paik HospitalInje University College of MedicineGoyangKorea Department of Neurology Hallym University Sacred Heart HospitalAnyangKorea Department of Neurology Dongguk University Ilsan HospitalGoyangKorea Department of Neurology Jeju National University HospitalJeju National University School of MedicineJejuKorea Department of Neurology University of Ulsan College of MedicineUlsanKorea Department of Neurology Chungbuk National University HospitalCheongjuKorea Department of Neurology Keimyung University Dongsan Medical CenterDaeguKorea Department of Biostatistics Korea University College of MedicineSeoulKorea

Background No study has thoroughly compared the effectiveness of combined antiplatelet treatments(other than clopidogrel–aspirin)versus clopidogrel–aspirin or aspirin alone for early secondary prevention in acute ischaemic *** We identified patients with acute,minor,non-cardiogenic ischaemic stroke treated with aspirin alone,clopidogrel–aspirin or other combination *** scores considering the inverse probability of treatment weighting were used to adjust for baseline *** primary outcome was the composite of all strokes(ischaemic or haemorrhagic),myocardial infarction and all-cause mortality at 3 *** Among 12234 patients(male:61.9%;age:65.5±13 years)who met the eligibility criteria,aspirin,clopidogrel–aspirin and other combination treatments were administered in 52.2%,42.9%and 4.9%of patients,*** the crude analysis,the primary outcome event at 3 months occurred in 14.5%of the other combination group,14.4%of the aspirin group and 13.0%of the clopidogrel–aspirin *** the weighted Cox proportional hazards analysis,the 3-month primary outcome event occurred less frequently in the clopidogrel–aspirin group than in the other combination group(weighted HR:0.82(0.59–1.13)),while no association was found between the aspirin group(weighted HR:1.04(0.76–1.44))or other combination group and the 3-month primary *** Other combined antiplatelet treatment,compared with aspirin alone or clopidogrel–aspirin,was not associated with reduced risks of primary composite vascular events or recurrent stroke during the first 3 months after ***,the results suggest that other combination treatments,particularly the cilostazol-based combination,may not be effective alternatives for clopidogrel–aspirin to prevent early vascular events in patients with acute minor *** exploration in clinical trials will be needed.

关键词： prevention treatment alone

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Anti-inflammatory and anti-apoptotic effects of N-acetylcysteine in diabetic rat corneal epithelium

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International Journal of Ophthalmology(English edition) 2021年第12期14卷 1805-1812页

作者： Sae-Byeok Hwang Jin Hyoung Park Ji-Yun Park soon-Suk Kang Ho Seok Chung Hun Lee Jae Yong kim Hungwon Tchah Research Institute of Miso Eye Clinic Gyeonggi-do 13640Republic of Korea Biomedical Research Center Asan Institute for Life ScienceAsan Medical CenterSeoul 05505Republic of Korea Miso Eye Clinic Gyeonggi-do 13640Republic of Korea Department of Ophthalmology University of Ulsan College of MedicineSeoul 05505Republic of Korea Research Institute for Biomacromolecules University of Ulsan College of MedicineSeoul 05505Republic of Korea Department of Ophthalmology Dankook University HospitalDankook University College of MedicineCheonan 31116Republic of Korea

AIM:To characterize the anti-inflammatory and antiapoptotic effects of N-acetylcysteine(NAC)in streptozotocin(STZ)-induced diabetic rat corneal epithelium and human corneal epithelial cells(HCECs)exposed to a high-glucose ***:HCECs were incubated in 0,5,50 mmol/L glucose medium,or 50 mmol/L glucose medium with NAC for *** was induced in rats by intraperitoneal injection of 65 mg/kg STZ and some of these rats were topically administered NAC to corneas with 3 mice per *** characterized receptor for advanced glycation end-products(RAGE)expression using immunofluorescence,and interleukin(IL)-1βand cleaved caspase-3(CCAP-3)expression using *** tumor necrosis factor(TNF)-αconcentration was measured by ELISA and cleaved poly-ADP ribose polymerase(PARP)concentration was quantified by Western *** cells were detected using TUNEL assay and annexin V and propidium iodide ***:Diabetic rats had higher expression of RAGE(2.46±0.13 fold),IL-1β,and CCAP-3 in apoptotic cells of their corneas than control *** expression of RAGE(1.83±0.11 fold),IL-1β,and CCAP-3,and the number of apoptotic cells,were reduced by topical NAC *** incubated in 50 mmol/L glucose medium showed high concentrations of TNF-α(310±2.00 pg/mL)and cleaved PARP(7.43±0.56 fold),and more extensive apoptosis than cells in 50 mmol/L glucose ***,the addition of NAC reduced the concentrations of TNF-α(153.67±2.31 pg/mL)and cleaved PARP(5.55±0.31 fold)and the number of apoptotic ***:NAC inhibits inflammation and apoptosis in the corneas of diabetic rats and HCECs maintained in a high-glucose environment.

关键词： N-acetylcysteine apoptosis inflammation diabetes corneal epithelium rat

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Acute idiopathic pancreatitis in pregnancy:A case study

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World Journal of Gastroenterology 2014年第43期20卷 16364-16367页

作者： Ji Yeon kim Sung Hoon Jung Hyung Wook Choi Dong Jin Song Cheol Yoon Jeong Dong Hyun Lee Il soon Whang Department of Internal Medicine Cheil General Hospital and Women’s Healthcare CenterKwandong University College of MedicineSeoul KS013South Korea

Acute pancreatitis during pregnancy is a rare event,and can be associated with high maternal mortality and fetal *** disease is thought to be the most common causative factor of acute pancreatitis,but,in many cases,the cause remains *** report a case of a 36-year-old woman at 35 wk of gestation,who presented with severe pain confined to the upper abdomen and radiating to the *** patient was diagnosed with acute idiopathic pancreatitis,which was managed conservatively;she recovered within several days and then delivered a healthy *** it is important to consider acute pancreatitis when a pregnant woman presents with upper abdominal pain,nausea and vomiting in order to improve fetal and maternal outcomes for patients with acute pancreatitis.

关键词： Acute pancreatitis Pregnancy Pancreatitis in pregnancy Idiopathic Idiopathic acute pancreatitis

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FEA technique of hot plate forming process using cell-typed die with cooling device

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中国有色金属学会会刊：英文版 2012年第S3期22卷 831-837页

作者： Jung-Min LEE In-Kyu LEE Kyung-Hun LEE Dae-soon kim Byung-Min kim Dongnam Regional Division Korea Institute of Industrial Technology School of Mechanical Engineering Pusan National University Industrial Technology Division Hyundai Heavy Industries

Hot plate forming using a cell-typed die is a process for forming a large thick plate with a spherical shape for the manufacture of a large spherical LNG ***-typed upper and lower dies made of a framework of steel plates fitted to make a grid pattern are used in this process,and an air-cooling device is separately installed inside the lower die.A finite element analysis (FEA) technique was developed,which included hot forming,air flow,cooling and thermal deformation analysis for the hot plate forming process using the cell-typed ***,the convective and interface heat transfer coefficients were used to reproduce analytically the effects of the cooling device in the hot plate forming analysis.A small-scale model test of the process was conducted to verify the FEA *** analysis results show that the curvature of the final plate agrees well with that of the designed experiment within a maximum relative error of 0.03% at the corner of the plate.

关键词： cell-typed die hot plate forming spherical LNG tank heat transfer coefficient

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Specific Radius Change of Quantum Dot inside the Lipid Bilayer by Charge Effect of Lipid Head-Group

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Open Journal of Biophysics 2018年第3期8卷 163-175页

作者： soon Ki Sung Hyuk Kyu Pak jong Hyeok Kwak Sang Weon Lee Young Ha kim Beong Ik Hur Seong Jin Jin Gyeong Rip kim Department of Neurosurgery Pusan National University Yang-san Hospital Yang-san Korea Research Institute for Convergence of Biomedical Science and Technology Yang-san Korea Department of Physics Ulsan National Institute of Science and Technology Ulsan Korea Department of Radiology Pusan National University Yang-san Hospital Yang-san Korea Department of Neurosurgery Pusan National University Hospital Busan Korea Haeundae Paik Hospital Busan Korea

We studied the quantum dot-liposome complex (QLC), which is the giant unilamellar vesicle with quantum dots (QDs) incorporated in its lipid bilayer. A spin coating method in conjunction with the electroformation technique yielded vesicles with highly homogeneous unilamellar structure. We observed QD size dependence of the QLC formation: QLCs form with blue, green and yellow-emission QD (core radius ~1.05 nm, 1.25 nm and 1.65 nm) but not with red-emission QD (core radius ~2.5 nm). In order to explain this size dependence, we made a simple model explaining the QD size effect on QLC formation in terms of the molecular packing parameter and the lipid conformational change. This model predicts that QDs below a certain critical size (radius ≈ 1.8 nm) can stably reside in a lipid bilayer of 4 - 5 nm in thickness for Egg-PC lipids. This is consistent with our previous experimental results. In the case of red-emission QD, QD-aggregations are only observed on the fluorescent microscopy instead of QLC. We expected that the reduction of packing parameter (P) would lead to the change of specific QD radius. This prediction could be verified by our experimental observation of the shift of the specific QD size by mixing DOPG.

关键词： Quantum Dot-Liposome Complexes (QLCs) The Interface Energy at Optical Head Area Packing Parameter DOPC/DOPG QLC

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Chemical characterization of rainwater over Suwon region during farming and non-farming periods

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Journal of Agricultural Chemistry and Environment 2013年第1期2卷 1-7页

作者： Min-Kyeong kim jong-Sik Lee Goo-Bok Jung Byong-Gu Ko soon-Ik Kwon Min-Young kim Kyu-Ho So Sun-Gang Yun Department of Agricultural Environment National Academy of Agricultural Science Rural Development Administration (RDA) Suwon Republic of Korea Dresearch Planning Division Rural Development Administration Suwon Republic of Korea

Recently, special attention has been givento acid rain and its problem to environment such as acid precipitation and air pollution in East *** the present study, rainwater samples werecollected from Apr to Oct (farming period) and from Nov to Mar (non-farming period) in 2009 ~ 2011. The samples were chemically characterized for the assessment of emission sources. Suwon region, a typical agricultural area in Gyeonggi province (South Korea) was chosen as a study site. The content of ionic species and theirtemporal variation were used forfactor analysis, which was used to presume the natural and anthropogenic sources depending upon the farming and non-farming periods. The cationsobserved during farming and non-farming periods were?> Na+> Ca2+> K+> H+> Mg2+and Na+> N?>Ca2+> H+= Mg2+> K+, respectively. The anions during farming and non-farming periods were?>?> Cl- and?>?> Cl-, respectively. While the amounts of sulfate, one of the major dissolved components of rainwater were 113.5 and 177.0 ueq.L-1, the ones of NSS-?(Non-Sea Salt sulfate) were 93.7 and 87.1% during farming and non-farming periods, respectively. The comparison of observed pH values (pHobs) with the theoretical pH values (pHthe) showed that the neutralization of rainwater considerably went along during farming and non-farming periods. The highest amountof rainfall throughout the year was310.5 mmin August and its corre sponding nitrogen loading was5.03 kg·ha-1. The major ion contents for crop growth, , Ca2+, K+, Mg2+, were 49.4, 5.5, 18.1,1.4 kg·ha-1from April to October. The major contributions to the existing chemical ions in rainwaters during farming and non-farming periods were from the natural sources (sea and soil) and the anthropogenic sources (human and animal waste, vehicular emission + fossil fuels combustion), respectively.

关键词： Acidity Discharge Nutrient Rainwater

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