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Hepatocellular carcinoma,decompensation,and mortality based on hepatitis C treatment:A prospective cohort study

World Journal of Gastroenterology 2022年第30期28卷 4182-4200页

作者： Gwang Hyeon choi eun sun Jang Young Seok Kim Youn Jae Lee In Hee Kim sung Bum Cho Han Chu Lee Jeong Won Jang Moran Ki Hwa Young choi Dahye Baik Sook-Hyang Jeong Department of Internal Medicine Seoul National University Bundang HospitalSeoul National University College of MedicineSeongnam 13620South Korea Department of Internal Medicine Soonchunhyang University Bucheon HospitalBucheon 14584South Korea Department of Internal Medicine Inje University Busan Paik HospitalBusan 47392South Korea Department of Internal Medicine Chonbuk National University HospitalJeonju 54907JeonbukSouth Korea Department of Internal Medicine Chonnam National University Hwasun HospitalHwasun 58128South Korea Department of Gastroenterology Asan Medical CenterUniversity of Ulsan College of MedicineSeoul 05505South Korea Department of Internal Medicine The Catholic University of KoreaSeoul 06591South Korea Cancer Control and Population Health Graduate School of Cancer Science and PolicyNational Cancer CenterGoyang 10408South Korea

BACKGROUND Prospective studies of the long-term outcomes of patients with hepatitis C virus(HCV)infection after treatment with interferon-based therapy(IBT)or directacting antivirals(DAA)are limited in many Asian *** To elucidate the incidences of hepatocellular carcinoma(HCC)and death/transplantation based on treatment with IBT or DAA,to compare the outcomes of the sustained virologic response(SVR)to IBT and DAA,and to investigate outcome-determining factors after *** This cohort included 2054 viremic patients(mean age,57 years;46.5%male;27.4%with cirrhosis)prospectively enrolled at seven hospitals between 2007 and *** were classified as the untreated group(n=619),IBT group(n=578),and DAA group(n=857).Outcomes included the incidences of HCC and death/*** incidences of the outcomes for each group according to treatment were calculated using an exact method based on the Poisson distribution.A multivariate Cox regression analysis was performed to determine the factors associated with HCC or death/transplantation,followed by propensity score matching to confirm the *** During a median of 4.1 years of follow-up,HCC and death/transplantation occurred in 113 and 206 patients,respectively,in the entire *** with the untreated group,the incidences of HCC and death/transplantation were significantly lower in the IBT group[adjusted hazard ratio(aHR)0.47,95%CI:0.28-0.80 and aHR 0.28,95%CI:0.18-0.43,respectively]and the DAA group(aHR 0.58,95%CI:0.35-0.96,and aHR 0.19,95%CI:0.20-0.68,respectively).Among 1268 patients who attained SVR with IBT(n=451)or DAA(n=816),the multivariable-adjusted analysis showed no differences in the risks of HCC(HR 2.03;95%CI:0.76-5.43)and death/transplantation(HR 1.38;95%CI:0.55-3.49)between the two *** was confirmed by a propensity score-matching *** factors for HCC after SVR were age,genotype 1,and the presence of *** Treatment and achieving SVR

关键词： Hepatitis C virus Direct-acting antiviral Sustained virologic response Hepatocellular carcinoma Mortality

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CO2/CH4 separation using inside coated thin film composite hollow fiber membranes prepared by interfacial polymerization

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Chinese Journal of Chemical Engineering 2017年第3期25卷 278-287页

作者： eun-sung Jo Xinghai An Pravin G.Ingole Won-Kil choi Yeong-sung Park Hyung-Keun Lee Korea Institute of Energy Research(KIER) 71-2 Jang-dongYuseong-guDaejeon 205343Republic of Korea Department of Environmental Engineering Daejeon UniversityDaejeonRepublic of Korea Department of Advanced Energy and Technology University of Science and Technology(UST)217 Gajeong-roYuseong-guDaejeon 305-350Republic of Korea

Carbon dioxide(CO_2) is greenhouse gas which originates primarily as a main combustion product of biogas and landfill gas. To separate this gas, an inside coated thin film composite(TFC) hollow fiber membrane was developed by interfacial polymerization between 1,3–cyclohexanebis–methylamine(CHMA) and trimesoyl chloride(TMC). ATR-FTIR, SEM and AFM were used to characterize the active thin layer formed inside the PSf hollow fiber. The separation behavior of the CHMA-TMC/PSf membrane was scrutinized by studying various effects like feed gas pressure and temperature. Furthermore, the influence of CHMA concentration and TMC concentration on membrane morphology and performance were investigated. As a result, it was found that mutually the CHMA concentration and TMC concentration play key roles in determining membrane morphology and performance. Moreover, the CHMA-TMC/PSf composite membrane showed good CO_2/CH_4 separation performance. For CO_2/CH_4 mixture gas(30/70 by volume) test, the membrane(PD1 prepared by CHMA 1.0% and TMC 0.5%) showed a CO_2 permeance of 25 GPU and the best CO_2/CH_4 selectivity of 28 at stage cut of 0.1. The high CO_2/CH_4 separation performance of CHMA-TMC/PSf thin film composite membrane was mostly accredited to the thin film thickness and the properties of binary amino groups.

关键词： Thin-film composite hollow fiber membrane Interfacial polymerization CHMA/TMC CO2/CH4 separation

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Comparing upper gastrointestinal X-ray and endoscopy for gastric cancer diagnosis in Korea

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World Journal of Gastroenterology 2010年第2期16卷 245-250页

作者： Hoo-Yeon Lee eun-Cheol Park Jae Kwan Jun Kui Son choi Myung-Il Hahm National Cancer Control Research Institute National Cancer Center111 Jungbalsan-roIlsandong-guGoyang-si Gyeonggi-do 410-769South Korea Department of U-Healthcare Management College of Medical ScienceSoonChunHyang University646 Eupnae-riShinchang-myeonAsan-siChungnam 336-745 South Korea

AIM:To compare the cost and accuracy of upper gastrointestinal(GI)X-ray and upper endoscopy for diagnosis of gastric cancer using data from the 2002-2004 Korean National Cancer Screening Program(NCSP). METHODS:The study population included 1 503 646 participants in the 2002-2004 stomach cancer screening program who underwent upper GI X-ray or *** accuracy of screening was defined as the probability of detecting gastric *** calculated the probability by merging data from the NCSP and the Korea Central Cancer *** estimated the direct costs of the medical examination and the tests for up- per GI X-ray,upper endoscopy,and biopsy. RESULTS:The probability of detecting gastric cancervia upper endoscopy was 2.9-fold higher than via upper GI *** unit costs of screening using upper GI X-ray and upper endoscopy were$32.67 and$34.89, *** 2008,the estimated cost of identifying one case of gastric cancer was$53094.64 using upper GI X-ray and$16 900.43 using upper *** cost to detect one case of gastric cancer was the same for upper GI X-ray and upper endoscopy at a cost ratio of 1:3.7. CONCLUSION:Upper endoscopy is slightly more costly to perform,but the cost to detect one case of gastric cancer is lower.

关键词： Gastric cancer Mass screening Endoscopy Early diagnosis X-ray diagnosis

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Successful endoscopic submucosal dissection of a giant polyp in a 21-month-old female

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World Journal of Gastroenterology 2014年第1期20卷 323-325页

作者： eun-Young Jung Soon-Ok choi Kwang Bum Cho eun Soo Kim Kyung Sik Park Jin-Bok Hwang Department of Pediatric Surgery Division of Gastroenterology and HepatologyKeimyung University School of MedicineDaegu 700-712South Korea Department of Internal Medicine Division of Gastroenterology and HepatologyKeimyung University School of MedicineDaegu 700-712South Korea Division of Gastroenterology and Hepatology Department of PediatricsKeimyung University School of MedicineDaegu 700-712South Korea

Endoscopic submucosal dissection(ESD)is now recognized as the preferred treatment modality for gastrointestinal epithelial lesions.A 21-month-old female was admitted with a giant hyperplastic polyp causing a gastric outlet *** ESD was performed with *** post-procedural course was uneventful without a bleeding *** further study of the feasibility of ESD in early children is necessary,ESD could be applied to avoid laparotomy even in young children.

关键词： Obstruction Endoscopic submucosal dissection Infant Hyperplastic polyp

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Effect of expanding nanocellulose sponge on nasal mucosal defects in an animal model

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Regenerative Biomaterials 2020年第1期7卷 47-52页

作者： JiWon Kim Kyungbae Woo Jeong Mi Kim Mi eun choi Young-Mo Kim Su-Geun Yang Bong Sup Shim Jeong-Seok choi Department of Otorhinolaryngology Inha UniversityCollege of Medicine27 Inhang-roJung-guIncheon 22332Republic of Korea Department of Chemical Engineering Inha University100 InharoMichuholguIncheon 22212Republic of Korea Department of New Drug Development Inha UniversityCollege of MedicineB-308Chungsuk Bldg.366Seohae-DaeroJung-GuIncheon 22332Republic of Korea

Nanocellulose has emerged for a wide range of applications in biomedical engineering because of its water absorption capacity,appropriate *** investigated the hemostatic and regenerative abilities of an expanding polyvinyl alcohol(PVA)-nanocellulose sponge on nasal mucosal defects.A 3 mm-diameter nasal defect was made in experimental *** were divided into four groups with control,vaseline,PVA and PVA-nanocellulose packing *** the defect was created,bleeding times and amounts were *** materials were removed on experimental day(ED)*** ED 3,7 and 14,histological analysis and immunohistochemical study for neutrophils were *** cells were counted and epithelial thicknesses were *** amounts and times in the vaseline packing group were smaller than in the PVA ***-nanocellulose group showed less neutrophils than in the other groups on ED *** epithelium thickness in the PVA-nanocellulose group was significantly smaller than in the control group at ED 7,but at ED 14,there was no significant intergroup *** group had a significant lower inflammatory cell count than the control group on ED ***-nanocellulose sponge applied to nasal mucosal defects can significantly enhance mucosal regeneration during early wound healing.

关键词： polyvinyl alcohol nasal mucosa nanocellulose

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Validity and reliability of Korean version Competency Assessment Tool-Mental Health

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Frontiers of Nursing 2020年第2期7卷 143-152页

作者： Hyun Mee Cho Jeong Won Han eun Joung choi Hyo eun Jeong Bo Ram Hong eun Yong Kim Department of Nursing Science Kaya UniversityGimhae 50830Republic of Korea College of Nursing Science Kyung Hee UniversitySeoul 02447Republic of Korea

Objective:To establish basic data for identifying the level of mental health care competency of general nurses through verification of the reliability and validity of Competency Assessment Tool-Mental Health in the development of a measurement tool for mental health care competency in ***:This study was conducted on nurses working at general wards,excluding those working at the Department of Psychiatry,in five hospitals with 200 beds or more located in ***,construct,concurrent validity,and internal consistency of the measurement were ***:As a result of the construct validity,the section on importance of skills and knowledge for mental health care had 21 items,whereas the section on benefits of additional education had 22 *** internal consistency of measurement was confirmed as follows:Cronbach’s α=0.96 for the section on importance and 0.96 for the section on benefits ***:This study verified the high validity and reliability of the tool in assessing the mental health care competency of nurses,and it is believed to be significant as basic data for enhancing such competency.

关键词： competency mental health nurse reliability validity

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Massive hemothorax following internal jugular vein catheterization under ultrasound guidance:A case report

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World Journal of Clinical Cases 2022年第17期10卷 5776-5782页

作者： Hyun Kang Soo Young Cho eun Ha Suk Wan Ju Joon Yong choi Department of Anesthesiology and Pain Medicine Kwangju Christian HospitalGwangju 61661South Korea

BACKGROUND Hemothorax is a rare but life-threatening complication of central venous *** reports suggest that ultrasound guidance may reduce complications however,it does not guarantee safety CASE SUMMARY A 75-year-old male patient was admitted for laparoscopic radical *** ultrasound guidance,right internal jugular vein catheterization was successfully achieved after failure to aspirate blood from the catheter in the first *** hypotension developed after surgical positioning and persisted until the end of the operation,lasting for about 4 *** the recovery room,a massive hemothorax was identified on chest radiography and computed *** patient recovered following chest tube drainage of 1.6 L *** Hemothorax must be suspected when unexplained hemodynamic instability develops after central venous catheterization despite ultrasound *** the proper use of ultrasound is important.

关键词： Central venous catheterization Hemothorax Ultrasound guidance Internal jugular vein Case report

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Molecular approaches for the detection and monitoring of microbial communities in bioaerosols:A review

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Journal of Environmental Sciences 2017年第1期29卷 234-247页

作者： Keunje Yoo Tae Kwon Lee eun Joo choi Jihoon Yang Sudheer Kumar Shukla Sang-il Hwang Joonhong Park Department of Civil and Environmental Engineering Yonsei UniversitySeoul 03722South Korea Department of Environmental Engineering Yonsei UniversityWonju 26493South Korea Department of Systems Biology Yonsei UniversitySeoul 03722South Korea Department of Built and Natural Environment Caledonian College of EngineeringSultanate of Oman Division of Natural Resources Conservation Korea Environment InstituteSejong-si 30147South Korea

Bioaerosols significantly affect atmospheric processes while they undergo long-range vertical and horizontal transport and influence atmospheric chemistry and physics and climate *** evidence suggests that exposure to bioaerosols may cause adverse health effects,including severe *** of bioaerosols have primarily focused on their chemical composition and largely neglected their biological composition and the negative effects of biological composition on ecosystems and human ***,current molecular methods for the identification,quantification,and distribution of bioaerosol agents are *** developments in environmental microbiology technology would be favorable in elucidation of microbial temporal and spatial distribution in the atmosphere at high *** addition,these provide additional supports for growing evidence that microbial diversity or composition in the bioaerosol is an indispensable environmental aspect linking with public health.

关键词： Bioaerosol Airborne microbial community Molecular methods Metagenomics

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Extracorporeal membrane oxygenation for lung cancer-related life-threatening hypoxia:A case report

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World Journal of Clinical Cases 2022年第25期10卷 8974-8979页

作者： Seung Soo Yoo Shin Yup Lee sun Ha choi Department of Internal Medicine Kyungpook National UniversityDaegu 41404South Korea Lung Cancer Center Kyungpook National University Chilgok HospitalDaegu 41404South Korea

BACKGROUND Life-threatening hypoxia can occur in patients with lung cancer due to bronchial *** membrane oxygenation(ECMO)can be used as a bridge therapy for patients with severe hypoxia not relieved by conventional mechanical ***,the usefulness of chemotherapy in patients with lung cancer receiving ECMO therapy is not well *** SUMMARY A 53-year-old man visited the emergency room with worsening dyspnea for 1 mo.A series of imaging and diagnostic tests were performed,and stageⅢB(cT4N2M0)lung cancer was eventually *** hospital day 3,he experienced dyspnea and hypoxia that was not relieved with oxygen support via a high-flow nasal *** was initiated because his respiratory condition did not improve even with mechanical *** patient then underwent gemcitabine/cisplatin chemotherapy without dose reduction while on *** two cycles of chemotherapy,there was a decrease in the size of the primary tumor in the right main *** the completion of concurrent chemoradiotherapy,a computed tomography scan revealed further improvement in the right main bronchus *** months after a lung cancer diagnosis,the patient did well without any *** ECMO is a potential bridge therapy for respiratory failure in patients with central airway obstruction secondary to lung cancer.

关键词： Extracorporeal membrane oxygen Lung cancer Hypoxia Respiratory failure Chemoradiotherapy Case report

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Simultaneous laparoscopic and arthroscopic excision of a huge juxta-articular ganglionic cyst compressing the sciatic nerve:A case report

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World Journal of Clinical Cases 2022年第25期10卷 9028-9035页

作者： Won-Ku choi Jong-sung Oh sun-Jung Yoon Department of Obstetrics and Gynecology Medical SchoolJeonbuk National UniversityResearch Institute of Clinical Medicine of Jeonbuk National UniversityJeonju 54907South Korea Department of Orthopedic Surgery Medical SchoolJeonbuk National UniversityResearch Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University HospitalJeonju 54907South Korea

BACKGROUND A large ganglionic cyst extending from the hip joint to the intrapelvic cavity through the sciatic notch is a rare space-occupying lesion associated with compressive lower-extremity neuropathy.A cyst in the pelvic cavity compressing the intrapelvic-sciatic nerve is easily missed in the diagnostic process because it usually presents as atypical symptoms of an extraperitoneal-intrapelvic *** present a case of a huge ganglionic cyst that was successfully excised laparoscopically and endoscopically by a gynecologist and an orthopedic *** SUMMARY A 52-year-old woman visited our hospital complaining of pain and numbness in her left buttock while *** pain began 3 years ago and worsened,while the numbness in the left lower extremity lasted 1 *** was diagnosed and unsuccessfully treated at several tertiary referral centers many years *** resonance imaging revealed a suspected paralabral cyst(5 cm×5 cm×4.6 cm)in the left hip joint,extending to the pelvic cavity through the greater sciatic *** CA-125 and CA19-9 tumor marker levels were within normal ***,the cyst was compressing the sciatic ***,endoscopic and laparoscopic neural decompression and mass excision were performed simultaneously.A laparoscopic examination revealed a tennis-ball-sized cyst filled with gelatinous liquid,stretching deep into the hip *** excisional biopsy performed in the pelvic cavity and deep gluteal space confirmed the accumulation of ganglionic cysts from the hip joint into the extrapelvic intraperitoneal *** Intra-or extra-sciatic nerve-compressing lesion should be considered in cases of sitting pain radiating down the ipsilateral lower *** large juxta-articular ganglionic cyst was successfully treated simultaneously using laparoscopy and arthroscopy.

关键词： Paralabral cyst Ganglion cyst Intrapelvic sciatic nerve compression syndrome Deep gluteal syndrome Hip joint Laparoscopy Case report

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