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Anesthetics management of a renal angiomyolipoma using pulse pressure variation and non-invasive cardiac output monitoring: A case report

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World Journal of Clinical Cases 2022年第24期10卷 8656-8661页

作者： Woo Jae Jeon Woo Jong Shin Young Joon Yoon Chan Woo Park Jae Hang Shim sang yun cho Department of Anesthesiolgy and Pain Medicine Hanyang University Guri HospitalGuri-si 471-701Gyeonggi-doSouth Korea

BACKGROUND Hypovolemic shock can lead to life-threatening organ dysfunction,and adequate fluid administration is a fundamental ***,parameters such as vital signs,central venous pressure,and urine output have been used to estimate intravascular ***,pulse pressure variation(PPV)and non-invasive cardiac monitoring devices have been *** this case report,we introduce a patient with massive active bleeding from giant renal angiomyolipoma(AML).During emergent nephrectomy,we used non-invasive cardiac monitoring with CSN-1901(Nihon Kohden,Tokyo,Japan)and PPV to evaluate the patient's intravascular volume status to achieve optimal fluid *** SUMMARY A 30-year-old male patient with giant AML with active bleeding was referred to the emergency room complaining of severe abdominal pain and spontaneous abdominal *** was diagnosed by computed tomography,and emergent nephrectomy was *** bleeding was expected so we decided to use non-invasive cardiac monitoring and PPV to assist fluid therapy because they are relatively easy and fast compared to invasive cardiac *** the surgery,6000 mL of estimated blood loss *** with the patient's vital signs and laboratory results,we monitored cardiac output,cardiac output,stroke volume,stroke volume index with a non-invasive cardiac monitoring device,and PPV using an intra-arterial catheter to evaluate intravascular volume status of the patient to compensate for massive *** In addition to traditional parameters,non-invasive cardiac monitoring and PPV are useful methods to evaluate patient's intravascular volume status and provideguidance for intraoperative management of hypovolemic shock patients.

关键词： Renal angiomyolipoma Pulse pressure variation Cardiac output Case report

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Unilateral pulmonary hemorrhage caused by negative pressure pulmonary edema:A case report

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World Journal of Clinical Cases 2021年第6期9卷 1408-1415页

作者： Hyung Joon Park Seung Ho Park Un Tak Woo sang yun cho Woo Jae Jeon Woo Jong Shin Department of Anesthesia and Pain Medicine Hanyang UniversityGuri HospitalGuri 11923Gyeonggi-doSouth Korea

BACKGROUND Unilateral pulmonary hemorrhage is typically reported in young and healthy men with upper respiratory tract obstruction during anesthesia in special *** pressure in the lungs is created,resulting in negative pressure pulmonary edema(NPPE).CASE SUMMARY A 78-year-old male patient diagnosed with spinal stenosis was admitted to receive a unilateral laminectomy with bilateral *** patient had been diagnosed with hypertension four years earlier and asthma more than 70 years *** experienced a unilateral alveolar hemorrhage associated with NPPE that occurred in a longstanding asthma patient who bit the intubated endotracheal tube for a short period during posture change at the end of *** diffuse alveolar hemorrhage accompanied by NPPE was caused in this case by airway obstruction in an older patient with asthma without known risk factors,anesthesiologists should be careful not to induce airway irritation during anesthesia awakening in asthma *** Because diffuse alveolar hemorrhage accompanied by NPPE can occur,anesthesiologists should take care not to induce airway irritation.

关键词： Airway Anesthesia Asthma Hemorrhage Pulmonary edema Case report Surgery

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Regional anesthesia in a patient with primary ciliary dyskinesia:A case report

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World Journal of Clinical Cases 2024年第17期12卷 3183-3187页

作者： Hyung Joon Park Ye Hwan Kim Young Joon Yoon sang yun cho Department of Anesthesiology and Pain Medicine Hanyang University Guri HospitalGuri-si 471-701Gyeonggi-doSouth Korea

BACKGROUND Primary ciliary dyskinesia(PCD)is an inherited autosomal-recessive disorder of impaired mucociliary clearance characterized by chronic respiratory diseases,otolaryngological diseases,central nervous system abnormalities,reproductive system abnormalities,and cardiac function *** anesthesia in these patients is associated with a higher incidence of respiratory complications than in patients without the *** SUMMARY A 16-year-old male patient was referred to the emergency room complaining of right ankle pain due to distal tibiofibular *** years prior,he had been diagnosed with *** that time,he had experienced several episodes of pneumonia,sinusitis,and chronic middle ear infections,for which he underwent surgical *** the current admission,he presented with cough and sputum but no other respiratory symptoms.A chest computed tomography scan revealed centrilobular ground-glass opacities in both lower lobes and a calcified nodule in the left lower *** the surgical procedure and postoperative pain management,combined spinal-epidural anesthesia was *** patient’s postoperative pain score was measured by the numerical rating scale(NRS).On the day of surgery,his NRS was 5 *** the second postoperative day,the NRS score had decreased to 2–3 *** epidural catheter was removed on the fourth day following the *** patient was subsequently discharged no respiratory *** We performed combined spinal-epidural anesthesia in a patient with *** patient experienced no additional respiratory complications and was discharged with a low NRS score for pain.

关键词： Primary ciliary dyskinesia Combined spinal-epidural anesthesia Patient controlled epidural analgesia Lower limb operation Case report

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一种由5种细菌抗原和2种免疫原组成的新型多价牛细菌性呼吸道疾病疫苗安全性和效价检测

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中国畜牧兽医 2009年第6期36卷 213-213页

作者： yun sang cho 张云霞

牛细菌性呼吸道疾病是造成犊牛高死亡率和巨大经济损失的最严重问题之一。由于没有多价疫苗,牛细菌性呼吸道疾病疫苗接种程序很复杂。本研究研发了新型多价牛细菌性呼吸道疾病疫苗,并进行了安全性和效价检验。新型多价牛细菌性呼吸道疾... 详细信息

牛细菌性呼吸道疾病是造成犊牛高死亡率和巨大经济损失的最严重问题之一。由于没有多价疫苗,牛细菌性呼吸道疾病疫苗接种程序很复杂。本研究研发了新型多价牛细菌性呼吸道疾病疫苗,并进行了安全性和效价检验。新型多价牛细菌性呼吸道疾病疫苗由5种细菌抗原和2种免疫原组成,其中细菌抗原包括A型溶血性曼氏杆菌菌素、多杀性巴氏杆菌菌素、睡眠嗜血杆菌菌素、牛支原体菌素、化脓性隐秘杆菌菌素;免疫原包括A型溶血性曼氏杆菌白细胞类毒素、多杀性巴氏杆菌外膜蛋白。与没有接种疫苗的猪相比,接种5种细菌抗原的几内亚猪的ELISA抗体滴度升高。在本研究中,新型多价牛细菌性呼吸道疾病疫苗对犊牛和妊娠牛是安全的。用溶血性曼氏杆菌和多杀性巴氏杆菌对犊牛攻毒,和没有接种疫苗的犊牛相比,接种疫苗的犊牛平均日增重和抗体滴度明显增加(P<0.05),呼吸道症状极显著减轻(P<0.01),治疗频率极显著减少(P<0.01)。有趣的是,溶血性曼氏杆菌白细胞类毒素和牛支原体抗体滴度与呼吸道症状减轻有密切相关性。接种新型多价牛细菌性呼吸道疾病疫苗将会是防制牛细菌性呼吸道疾病的一种经济有效的措施。

关键词：化脓性隐秘杆菌睡眠嗜血杆菌溶血性曼氏杆菌白细胞类毒素牛支原体多杀性巴氏杆菌外膜蛋白

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Porous FeS nanofibers with numerous nanovoids obtained by Kirkendall diffusion effect for use as anode materials for sodium-ion batteries

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Nano Research 2017年第3期10卷 897-907页

作者： Jung sang cho Jin-Sung Park yun Chan Kang Department of Materials Science and Engineering Korea University Anam-Dong Seongbuk-Gu Seou1136-713 Republic of Korea Department of Engineering Chemistry Chungbuk National University Chungbuk 361-763 Republic of Korea

Porous FeS nanofibers with numerous nanovoids for use as anode materials for sodium-ion batteries were prepared by electrospinning and subsequent sulfidation. The post-treatment of the as-spun Fe（acac）3-polyacrylonitrile composite nanofibers in an air atmosphere yielded hollow Fe2O3 nanofibers due to Ostwald ripening. The ultrafine Fe2O3 nanocrystals formed at the center of the fiber diffused toward the outside of the fiber via Ostwald ripening. On sulfidation, the Fe2O3 hollow nanofibers were transformed into porous FeS nanofibers, which contained numerous nanovoids. The formation of porosity in the FeS nanofibers was driven by nanoscale Kirkendall diffusion. The porous FeS nanofibers were very structurally stable and had superior sodium-ion storage properties compared with the hollow Fe2O3 nanofibers. The discharge capacities of the porous FeS nanofibers for the Ist and 150th cycles at a current density of 500 mA.g-1 were 561 and 592 mA.h-g-1, respectively. The FeS nanofibers had final discharge capacities of 456, 437, 413, 394, 380, and 353 mA-h.g-1 at current densities of 0.2, 0.5, 1.0, 2.0, 3.0, and 5.0 A.g-1, respectively.

关键词： iron sulfide sodium-ion batteries Kirkendall effect nanofibers electrospinning

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Coral-Like Yolk–Shell-Structured Nickel Oxide/Carbon Composite Microspheres for High-Performance Li-Ion Storage Anodes

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Nano-Micro Letters 2019年第1期11卷 46-63页

作者： Min Su Jo Subrata Ghosh sang Mun Jeong yun Chan Kang Jung sang cho Department of Engineering Chemistry Chungbuk National University Department of Chemical Engineering Chungbuk National University Department of Materials Science and Engineering Korea University

In this study, coral?like yolk–shell?structured NiO/C composite microspheres(denoted as CYS?NiO/C) were prepared using spray pyrolysis. The unique yolk–shell structure was characterized, and the formation mechanism of the structure was proposed. Both the phase separation of the polyvinylpyrrolidone and polystyrene(PS) colloidal solution and the decompo?sition of the size?controlled PS nanobeads in the droplet played crucial roles in the formation of the unique coral?like yolk–shell structure. The CYS?NiO/C microspheres delivered a reversible discharge capacity of 991 mAh g^(-1) after 500 cycles at the current density of 1.0 A g^(-1). The dis?charge capacity of the CYS?NiO/C microspheres after the 1000 th cycle at the current density of 2.0 A g^(-1) was 635 mAh g^(-1), and the capacity retention measured from the second cycle was 91%. The final discharge capacities of the CYS?NiO/C microspheres at the current densities of 0.5, 1.5, 3.0, 5.0, 7.0, and 10.0 A g^(-1) were 753, 648, 560, 490, 440, and 389 mAh g^(-1), respectively. The synergetic e ect of the coral?like yolk–shell structure with well?defined interconnected mesopores and highly conductive carbon resulted in the excellent Li+?ion storage properties of the CYS?NiO/C microspheres.

关键词： Yolk-shell Nickel oxide Carbon composite Anode materials Spray pyrolysis Lithium-ion batteries

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Structurally engineered colloidal quantum dot phosphor using TiO_(2) photonic crystal backbone

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Light(Science & Applications) 2022年第11期11卷 2782-2789页

作者： Hansol Lee Tae-yun Lee Yeonsang Park Kyung-sang cho Young-Geun Rho Hyuck choo Heonsu Jeon Department of Physics and Astronomy Seoul National UniversitySeoul 08826Republic of Korea Inter-university Semiconductor Research Center Seoul National UniversitySeoul 08826Republic of Korea Department of Physics Chungnam National UniversityDaejeon 34134Republic of Korea Institute of Quantum Systems Chungnam National UniversityDaejeon 34134Republic of Korea Samsung Advanced Institute of Technology Suwon 16678Republic of Korea Institute of Applied Physics Seoul National UniversitySeoul 08826Republic of Korea

Photonic crystal(PhC)phosphor,in which the phosphor material is periodically modulated for an enhancement in color-conversion efficiency via resonant absorption of excitation photons,is a paradigm-shifting structural phosphor ***-dimensional(2D)square-lattice PhC phosphor is currently considered the most advanced platform because of not only its high efficiency,but also its immunity to excitation *** the present study,two major modifications are made to further improve the performance of the 2D PhC phosphor:increasing the refractive index contrast and planarizing the *** index contrast is improved by replacing the PhC backbone material with TiO_(2)whereas the surface planarization is achieved by removing excessive colloidal quantum dots from the *** comparison with the reference phosphor,the upgraded PhC phosphor exhibits~59 times enhanced absorption(in simulations)and~7 times enhanced emission(in experiments),both of which are unprecedentedly *** results not only brighten the viability and applicability of the PhC phosphor but also spur the phosphor development through structural engineering of phosphor materials.

关键词： immunity phosphor backbone

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Expression of prothymosin α predicts early recurrence and poor prognosis of hepatocellular carcinoma

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Hepatobiliary & Pancreatic Diseases International 2015年第2期14卷 171-177页

作者： sang yun Ha Dae Hyun Song Soo Hyun Hwang Soo Youn cho Cheol-Keun Park Department of Pathology Samsung Medical CenterSungkyunkwan University School of Medicine

BACKGROUND：Prothymosinα（PTMA）is a nuclear oncoprotein-transcription factor essential for cell cycle progression and *** was overexpressed in several human malignancies including hepatocellular carcinoma（HCC）.However,the prognostic significance of PTMA protein expression in HCC remains *** the present study,we evaluated PTMA protein expression by immunohistochemistry in order to elucidate the prognostic roles of PTMA in HCC ***： By immunohistochemistry, we investigated the expression of PTMA protein in tumor tissue from 226 HCC patients who underwent curative hepatectomy. Univariate and multivariate analyses were performed to evaluate its predic- tive value for tumor recurrence and survival of patients. The median follow-up period was 120 months. RESULTS： PTMA expression was observed in 162 （71.7%） of the 226 HCC patients and was significantly associated with higher Edmondson grade, microvascular invasion, intrahe- patic metastasis, higher American Joint Committee on Cancer （AJCC） T-stage, and lower albumin level. PTMA expression was an independent predictor of early recurrence （P=0.001）. PTMA expression showed an unfavorable influence on recurrence- free survival （RFS）（P〈0.001）. Subgroup analysis showed that among patients with tumor size _〈5.0 cm （140 patients）, patients at AJCC T-stage I （95 patients） and patients with a-fetoprotein ≤20 ng/mL （83 patients）, the differences in RFS between PTMA- positive and PTMA-negative groups were also statistically sig- nificant （P=0.017, P=0.002 and P=0.002, respectively）. In addi- tion, PTMA expression was an independent predictor of shorter RFS （P=0.011）. PTMA expression showed an unfavorable influ- ence on overall survival （P=0.014）, but was not an independent predictor of shorter overall survival （P=0.161）. CONCLUSIONS： PTMA protein expression might be a novel predictor of early recurrence and RFS in HCC patients, even those at early stage or with a-fetoprotein-negative after curative hep

关键词： prothymosin a hepatocellular carcinoma recurrence

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Health behaviors of Korean adults with hepatitis B:Findings of the 2016 Korean National Health and Nutrition Examination Survey

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World Journal of Gastroenterology 2018年第28期24卷 3163-3170页

作者： Yu-Hyeon Yi yun-Jin Kim sang-Yeoup Lee Byung-Mann cho Young-Hye cho Jeong-Gyu Lee Department of Family Medicine Pusan National University School of Medicine Medical Research Institute Pusan National University Hospital Busan Tobacco Control Center Pusan National University Hospital Department of Medical Education Pusan National University School of Medicine Family Medicine Clinic Pusan National University Yangsan Hospital Department of Preventive Medicine and Occupational Medicine Pusan National University School of Medicine

AIM To assess the frequencies of five health-related behaviors(smoking, alcohol consumption, body weight, sleep dura-tion, and physical activity) in Korean adults with chronic hepatitis *** Data were obtained from the 2016 Korean National Health and Nutrition Examination Survey. In total, 5887 subjects(2568 males, 3319 females) over 19 years old were enrolled in this study. Interviews were performed to obtain information on demographic characteristics and medical conditions. A self-administered questionnaire and medical examination were used to assess the smoking history, alcohol use, physical activity, sleep duration, and body weight of the subjects. Chronic hepatitis B was diagnosed based on detection of hepatitis B surface antigen(HBs Ag). The subjects were categorized into HBs Ag positive and negative groups, and a complex sampling analysis was conducted to compare the health behaviors between these *** Among males, the current smoking rate in the HBs Ag positive group was higher than that in the negative group(45.5% vs 38.5%). In the positive group, the rates of monthly and high-risk alcohol use were 70.4% and 17.6% in males and 45.9% and 3.8% in females, respectively. The rate of alcohol use was similar between the two groups [P = 0.455(males) and P = 0.476(females)]. In the HBs Ag positive group, 32.3% and 49.9% of males and 26.5% and 49.6% of females were overweight and physically inactive, respectively. High-risk alcohol consumption and physical inactivity were significantly associated with self-perceived health *** Our data demonstrate that a large proportion of Korean adults with chronic hepatitis B have poor health behaviors. Further studies are needed to confirm our results.

关键词： Health behavior Self-perceived health status Hepatitis Health risk behavior Health status

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Gelfoam embolization for distal, medium vessel injury during mechanical thrombectomy in acute stroke: A case report

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World Journal of Clinical Cases 2021年第20期9卷 5668-5674页

作者： Ji yun Kang Kyung Sik Yi sang-Hoon Cha Chi-Hoon choi Yook Kim Jisun Lee Bum sang cho Department of Radiology Chungbuk National University HospitalCheongju 28644South Korea College of Medicine and Medical Research Institute Chungbuk National UniversityCheongju 28644South Korea

BACKGROUND Arterial perforation has inevitably increased as endovascular treatments have become more common for intracranial large vessel occlusions,and even distal,medium vessel occlusions.A distal,medium vessel has a tortuous course and thinner wall compared to large arteries,making it more susceptible to ***,we review the treatment strategies for arterial perforation during mechanical thrombectomy,and we report the case of a patient treated with gelfoam *** SUMMARY A 63-year-old woman presented to the emergency department with sudden neurologic symptoms of right hemiparesis and global *** initial National Institutes of Health Stroke Scale score was *** tomography(CT)and CT angiography revealed hyperacute infarction and emergent arterial occlusion of the left middle cerebral artery M2-3 *** endovascular mechanical thrombectomy,arterial rupture *** patient’s vital signs were stable,but delayed angiography showed persistent active ***,selective embolization of the injured artery was performed using *** left vertebral and internal carotid angiography was performed to confirm hemostasis.A localized subarachnoid hemorrhage(SAH)was confirmed on a follow-up CT scan.A repeated CT scan after 12 d showed resolution of the SAH,and rebleeding did not *** Rescue embolization with gelfoam could be considered an additional option in distal,medium vessel perforation.

关键词： Gelfoam Embolization Acute ischemic stroke Mechanical thrombectomy Arterial perforation Case report

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