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Recipient artery dissection during extracranial-intracranial bypass surgery:Two case reports

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World Journal of Clinical Cases 2024年第31期12卷 6479-6485页

作者： Yong-Jun Lee Wan Park sung-pil joo Department of Neurosurgery Chonnam National University Hospital and Medical SchoolGwangju 61469South Korea Department of Neurosurgery Chonnam National University HospitalGwangju 61469South Korea

BACKGROUND Superficial temporal artery to middle cerebral artery(STA-MCA)bypass is a valuable treatment for preventing ischemia and hemorrhage in occlusive cerebrovascular *** site dissection is rarely reported among the various bypass-related *** SUMMARY In this case report,we describe two patients,who were 63-and 59-years-old with middle cerebral artery occlusion treated by STA-MCA *** bypass surgery,the recipient M4 artery intima was *** sacrificed the dissecting portion,and no complications occurred during the follow-up *** brain imaging revealed improved brain *** report rare cases of recipient artery dissection located in the extracranial to intracranial bypass site,and we suggest atherosclerotic changes in the recipient artery and insufficient puncture as the *** Appropriate recipient artery selection is critical,and if dissection occurs,it is essential to sacrifice the dissecting portion quickly.

关键词： Anastomosis site dissection Pseudoaneurysm Bypass Atherosclerosis Recipient artery Case report

Ruptured venous aneurysm associated with a dural arteriovenous fistula:Two case reports

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World Journal of Clinical Cases 2024年第29期12卷 6314-6319页

作者： You Sub Kim Woong Yoon Byung Hyun Baek Seul Kee Kim sung pil joo Tae Sun Kim Department of Neurosurgery Chonnam National University Hospital and Medical SchoolGwangju 61469South Korea Department of Radiology Chonnam National University Hospital and Medical SchoolGwangju 61469South Korea Department of Radiology Chonnam National University Hwasun HospitalHwasungun 58128South Korea

BACKGROUND In general,venous aneurysm associated with dural arteriovenous fistula(dAVF)is considered to be developed under long standing venous hypertension and manifested as venous ectasia of draining vein ***,discrete saccular shaped venous aneurysm without angiographic evidence of venous hypertension arising from the draining vein,like cerebral arterial aneurysm,is quite rare and its pathomechanism remains unclear in patients with *** SUMMARY In this report,we present two cases of ruptured saccular venous aneurysms associated with dAVF without venous hypertension or venous *** both cases,significant curve or stenosis is observed in draining vein,which is located in just distal portion of the venous *** aneurysms were successfully treated with a transarterial *** mechanism of venous aneurysms in these cases is *** Although there is little doubt that hemodynamic stress has a critical role in the development of venous aneurysms in patients with dAVF,preceding venous hypertension or venous ectasia is not necessary for development and enlargement of venous *** the significant risk of rupture,a careful review of draining vein features including tortuosity or stenosis is needed,especially in venous aneurysms without evidence of venous hypertension.

关键词： Dural arteriovenous fistula Venous aneurysm Hemodynamic stress Intracranial hemorrhage Embolization Case report

Rice breeding for low methane and high yields

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Plant Communications 2024年第5期5卷 94-96页

作者： Suvendu Das pil joo Kim Institute of Agriculture and Life Sciences Gyeongsang National UniversityJinju 660-701South Korea Division of Applied Life Science Gyeongsang National UniversityJinju 660-701South Korea

Rice is the staple food for more than half of the world’s population,and the demand for rice is expected to increase by 28%by 2050(Jiang et al.,2017).However,rice production is one of the largest anthropogenic sources of the potent greenhouse gas methane(CH4),accounting for 22%of total agricultural CH4 emissions(Qian et al.,2023).Therefore,to achieve sustainable intensification of rice cultivation,it is necessary to increase yields while reducing CH4 *** management techniques to reduce CH4 emissions while maintaining high yields have been studied extensively over the past few decades,but crop breeding to reduce CH4 emissions without compromising yields has received less attention(Kwon et al.,2023).

关键词： breeding methane yields

Clostridium difficile infection aggravates colitis in interleukin 10-deficient mice

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World Journal of Gastroenterology 2014年第45期20卷 17084-17091页

作者： Mi Na Kim Seong-joon Koh Jung Mogg Kim Jong pil Im Hyun Chae Jung joo sung Kim Seoul National University Healthcare System Gangnam Center Seoul National University Hospital Department of Internal Medicine Seoul National University Boramae Hospital Seoul National University College of Medicine Department of Microbiology Hanyang University College of Medicine Department of Internal Medicine Liver Research Institute Seoul National University College of Medicine

AIM: To investigate the effect of Clostridium difficile (C. difficile) infection in an interleukin 10-deficient (IL-10-/-) mouse model of inflammatory bowel disease.

关键词： Clostridium difficile Inflammatory bowel disease Interleukin 10-deficient mice Interferon-γ Colitis

Risk of inflammatory bowel disease in patients with chronic obstructive pulmonary disease: A nationwide, population-based study

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World Journal of Gastroenterology 2019年第42期25卷 6354-6364页

作者： jooyoung Lee Jong pil Im Kyungdo Han Seona Park Hosim Soh Kukhwan Choi Jihye Kim Jaeyoung Chun joo sung Kim Department of Internal Medicine and Healthcare Research Institute Healthcare System Gangnam CenterSeoul National University HospitalSeoul 06236South Korea Department of Internal Medicine and Liver Research Institute Seoul National University College of MedicineSeoul 03080South Korea Department of Biostatics College of MedicineCatholic University of KoreaSeoul 06591South Korea Department of Internal Medicine CHA Gangnam Medical CenterCHA UniversitySeoul 06135South Korea Department of Internal Medicine Gangnam Severance HospitalYonsei University College of MedicineSeoul 06273South Korea

BACKGROUND There is a growing evidence regarding an increased risk of inflammatory bowel disease(IBD)among patients with airway *** To investigate the influence of chronic obstructive pulmonary disease(COPD)on the risk of *** A nationwide,population-based study was conducted using data from the National Health Insurance Service database.A total of 1303021 patients with COPD and 6515105 non-COPD controls were *** COPD group was divided into the severe and the mild COPD group according to diagnostic *** risk of IBD in patients with COPD compared to controls was analyzed by Cox proportional hazard regression *** cumulative incidences of IBD were compared between the *** The COPD group had higher incidences of IBD compared to non-COPD controls(incidence rate,9.98 vs 7.18 per 100000 person-years,P<0.001).The risk of IBD in the COPD group was increased by 1.38(adjusted hazard ratio(HR);95%CI:1.25-1.52).The incidence rate of IBD was higher in the severe COPD group than in the mild COPD group(12.39 vs 9.77 per 100000 person-year,P<0.001).The severity of COPD was associated with an increased risk of IBD(adjusted HR 1.70 in severe COPD,95%CI:1.27-2.21 and adjusted HR 1.35 in mild COPD,95%CI:1.22-1.49)CONCLUSION The incidences of IBD were significantly increased in COPD patients in South Korea and the risk of developing IBD also increased as the severity of COPD increased.

关键词： Claim data Inflammatory bowel disease Chronic obstructive pulmonary disease Crohn’s disease Ulcerative colitis

Preparation of Highly Crystalline Graphitic Nanocarbon for the Electro-Oxidation of Methanol

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Nano Research 2011年第1期4卷 92-102页

作者： Ji Bong joo Nam Dong Kim Hyeong Jin Yun pil Kim Jongheop Yi World Class University （WCU） program of Chemical Convergence for Energy ＆ Environment （C2E2） School of Chemical and Biological Engineering Seoul National University Shinlim-dong Kwanak-ku Seoul 151-742 Republic of Korea School of Environmental and Chemical Engineering Specialized Graduate School of Hydrogen and Fuel Cell Engineering Chonbuk National University Jeonju 561-756 Republic of Korea

Highly crystalline graphitic nanocarbons （GNC） have been prepared by the wet-air treatment of hydrothermally- derived graphitic porous carbon. The materials were characterized by scanning electron microscopy, X-ray diffraction, Raman spectroscopy, and electrochemical methods. The experimental results revealed that the treatment temperature has a significant effect on the morphology and degree of graphitic crystallinity. When GNC was treated at 450 ~C under a wet-air atmosphere, the product （GNC-450） consisted of aggregates of silkworm-shaped carbon nanoparticles with enhanced graphitic characteristics. GNC-450 was evaluated as a catalyst support in the electro-oxidation of methanol. The Pt/GNC-450 catalyst contained smaller Pt particles and had a higher electrochemically active surface area than a commercial carbon black-supported Pt catalyst. In the electro-oxidation of methanol, the Pt/GNC-450 catalyst showed the highest performance among the Pt catalysts examined in this study. The superior catalytic performance appears to be closely related to the enhanced graphitic characteristics with highly dispersed Pt nanoparticles on the graphitic layers, which have a positive effect on the electrochemical performance.

关键词： Graphitic nanostructured carbon wet-air treatment enhanced crystallinity Pt catalyst

Increased end-stage renal disease risk in patients with inflammatory bowel disease:A nationwide populationbased study

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World Journal of Gastroenterology 2018年第42期24卷 4798-4808页

作者： Seona Park Jaeyoung Chun Kyung-Do Han Hosim Soh Kookhwan Choi Ji Hye Kim jooyoung Lee Changhyun Lee Jong pil Im joo sung Kim Department of Internal Medicine Liver Research InstituteSeoul National University College of Medicine Department of Biostatistics College of MedicineThe Catholic University of Korea Department of Internal Medicine CHA Gangnam Medical CenterCHA University Department of Internal Medicine and Healthcare Research Institute Healthcare System Gangnam CenterSeoul National University Hospital

AIM To estimate the risk of end-stage renal disease(ESRD)in patients with inflammatory bowel disease(IBD).METHODS From January 2010 to December 2013, patients with Crohn's disease(CD) and ulcerative colitis(UC) were identified, based on both the International Classification of Diseases, 10 th revision(ICD-10) and the rare,intractable disease registration program codes from the National Health Insurance(NHI) database in South Korea. We compared 38812 patients with IBD to ageand sex-matched non-IBD controls with a ratio of 1:*** newly diagnosed with ESRD were identified with the ICD-10 *** During a mean follow-up of 4.9 years, ESRD was detected in 79(0.2%) patients with IBD and 166(0.1%)controls. The incidence of ESRD in patients with IBD was0.42 per 1000 person-years. Patients with IBD had a significantly higher risk of ESRD than controls [adjusted hazard ratio(HR) = 3.03; 95% confidence interval(CI):1.77-5.20; P < 0.001]. The incidences(per 1000 personyears)of ESRD were 0.51 in patients with CD and 0.13 in controls, respectively(adjusted HR = 6.33; 95%CI:2.75-14.56; P < 0.001). In contrast, the incidence of ESRD was similar between the UC and control groups(0.37 vs 0.37 per 1000 person-years; adjusted HR = 2.01;95%CI: 0.90-4.51; P = 0.089).CONCLUSION The risk of ESRD was elevated in patients with CD, but not UC. Patients with CD should be monitored carefully for signs of renal insufficiency.

关键词： Claims data Inflammatory bowel disease Crohn’s disease End-stage renal disease Ulcerative colitis

Long-term outcome in patients with obscure gastrointestinal bleeding after negative capsule endoscopy

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World Journal of Gastroenterology 2013年第10期19卷 1632-1638页

作者： Seong-joon Koh Jong pil Im Ji Won Kim Byeong Gwan Kim Kook Lae Lee Sang Gyun Kim joo sung Kim Hyun Chae Jung Department of Internal Medicine Seoul National University Boramae HospitalSeoul National University College of MedicineSeoul 110-744South Korea Department of Internal Medicine and Liver Research Institute Seoul National University College of MedicineSeoul 110-744South Korea

AIM:To investigate long-term outcome in obscure gastrointestinal bleeding(OGIB) after negative capsule endoscopy(CE) and identify risk factors for ***:A total of 113 consecutive patients underwent CE for OGIB from May 2003 to June 2010 at Seoul National University ***-five patients(84.1%) with a subsequent follow-up after CE of at least 6 mo were enrolled in this ***-up data were obtained from the patients' medical *** CE images were reviewed by two board-certified gastroenterologists and consensus diagnosis was used in all *** primary outcome measure was the detection of rebleeding after CE,and factors associated with rebleeding were evaluated using multivariate ***:Of the 95 enrolled patients(median age 61 years,range 17-85 years),62 patients(65.3%) were *** median duration of follow-up was 23.7 mo(range 6.0-89.4 mo).Seventy-three patients(76.8%) underwent CE for obscure-overt *** examination of the small bowel was achieved in 77 cases(81.1%).Significant lesions were found in 38 patients(40.0%).The overall rebleeding rate was 28.4%.The rebleeding rate was higher in patients with positive CE(36.8%) than in those with negative CE(22.8%).However,there was no significant difference in cumulative rebleeding rates between the two groups(log rank test;P = 0.205).Anticoagulation after CE examination was an independent risk factor for rebleeding(hazard ratio,5.019;95%CI,1.560-16.145;P = 0.007),regardless of CE ***:Patients with OGIB and negative CE have a potential risk of ***,close observation is required and alternative modalities should be considered in suspicious cases.

关键词： Capsule endoscopy Gastrointestinal hemorrhage Risk factors Prognosis Enteroscopy

Recent trends in the epidemiology and clinical outcomes of inflammatory bowel disease in South Korea,2010-2018

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World Journal of Gastroenterology 2024年第9期30卷 1154-1163页

作者： Seulji Kim Hyun Jung Lee Seung Woo Lee Sanghyun Park Seong-joon Koh Jong pil Im Byeong Gwan Kim Kyung-Do Han joo sung Kim Department of Internal Medicine Korea Institute of Radiological and Medical SciencesSeoul 01812South Korea Department of Internal Medicine and Liver Research Institute Seoul National University College of MedicineSeoul 03080South Korea Department of Statistics and Actuarial Science Soongsil UniversitySeoul 06978South Korea

BACKGROUND Inflammatory bowel disease(IBD)was previously regarded as a Western disease;however,its incidence is increasing in the *** epidemiology of IBD in Asia differs significantly from the patterns in the *** To comprehensively investigate the epidemiology of IBD in South Korea,inclu-ding its incidence,prevalence,medication trends,and *** We analyzed claims data from the Health Insurance Review and Assessment Service and Rare and Intractable Diseases(RIDs),operated by the National Health Insurance Service of South *** with IBD were identified based on the International Classification of Diseases,Tenth Revision,and RID diagnostic codes for Crohn’s disease(CD)and ulcerative colitis(UC)from 2010 to *** In total,14498 and 31409 patients were newly diagnosed with CD and UC,respectively,between 2010 and *** annual average incidence of CD was 3.11 cases per 105 person-years,and that of UC was 6.74 cases per 10^(5) *** 2014,the incidence rate of CD has been stable,while that of UC has steadily increased,shifting the peak age group from 50-year-olds in 2010 to 20-year-olds in *** CD and UC prevalence increased consistently over the study period;the use of 5-aminosali-cylates and corticosteroids gradually decreased,while that of immunomodulators and biologics steadily increased in both CD and *** clinical outcomes of IBD,such as hospitalization and surgery,decreased during the study *** The CD incidence has been stable since 2014,but that of UC has increased with a shift to a younger age at peak incidence between 2010 and *** clinical outcomes improved over time,with increased use of immunomodu-lators and biologics.

关键词： Inflammatory bowel disease Crohn’s disease Ulcerative colitis Incidence Prevalence