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Acute kidney injury due to intravenous detergent poisoning:A case report

World Journal of Clinical Cases 2022年第6期10卷 2036-2044页

作者： Sungbin park Hyun-Sik Ryu Jae-Kwang Lee Sung-Soo park Sun-Jung Kwon Won-Min Hwang Sung-Ro Yun Moon-Hyang park yohan park Department of Internal Medicine Division of NephrologyKonyang University HospitalCollege of MedicineDaejeon 35365South Korea Department of Emergency Medicine Konyang University HospitalCollege of MedicineDaejeon 35365South Korea Department of Internal Medicine Division of Respiratory and Critical Care MedicineKonyang University HospitalCollege of MedicineDaejeon 35365South Korea Department of Pathology Konyang University HospitalCollege of MedicineDaejeon 35365South Korea

BACKGROUND Detergent poisoning mostly occurs through oral ingestion(>85%),ocular exposure(<15%),or dermal exposure(<8%).Reports of detergent poisoning through an intravenous injection are extremely rare.In addition,there are very few cases of renal toxicity directly caused by detergents.Here,we report a unique case of acute kidney injury caused by detergent poisoning through an accidental intravenous injection.CASE SUMMARY A 61-year-old man was intravenously injected with 20 mL of detergent by another patient in the same room of a local hospital.The surfactant and calcium carbonate accounted for the largest proportion of the detergent.The patient complained of vascular pain,chest discomfort,and nausea,and was transferred to our institution.After hospitalization,the patient’s serum creatinine level increased to 5.42 mg/dL,and his daily urine output decreased to approximately 300 mL.Renal biopsy findings noted that the glomeruli were relatively intact;however,diffuse acute tubular injury was observed.Generalized edema was also noted,and the patient underwent a total of four hemodiafiltration sessions.Afterward,the patient’s urine output gradually increased whereas the serum creatinine level decreased.The patient was discharged in a stable status without any sequelae.CONCLUSION Detergents appear to directly cause renal tubular injury by systemic absorption.In treating a patient with detergent poisoning,physicians should be aware that the renal function may also deteriorate.In addition,timely renal replacement therapy may help improve the patient’s prognosis.

关键词： Detergents Poisoning Intravenous injection Acute kidney injury Acute tubular injury Case report

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Endoscopic ultrasound-guided tissue sampling induced pancreatic duct leak resolved by the placement of a pancreatic stent:A case report

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World Journal of Clinical Cases 2024年第9期12卷 1677-1684页

作者： Ki-Hyun Kim Chang Hwan park Eunae Cho yohan Lee Department of Internal Medicine Chonnam National University HospitalGwangju 61469South Korea Department of Gastroenterology Chonnam National University HospitalGwangju 61469South Korea

BACKGROUND Pancreatic ductal leaks complicated by endoscopic ultrasonography-guided tissue sampling(EUS-TS)can manifest as acute pancreatitis.CASE SUMMARY A 63-year-old man presented with persistent abdominal pain and weight loss.Diagnosis:Laboratory findings revealed elevated carbohydrate antigen 19-9(5920 U/mL)and carcinoembryonic antigen(23.7 ng/mL)levels.Magnetic resonance imaging of the pancreas revealed an approximately 3 cm ill-defined space-occupying lesion in the inferior aspect of the head,with severe encasement of the superior mesenteric artery.Pancreatic ductal adenocarcinoma was confirmed after pathological examination of specimens obtained by EUS-TS using the fanning method.Interventions and outcomes:The following day,the patient experienced severe abdominal pain with high amylase(265 U/L)and lipase(1173 U/L)levels.Computed tomography of the abdomen revealed edematous wall thickening of the second portion of the duodenum with adjacent fluid collections and a suspicious leak from either the distal common bile duct or the main pancreatic duct in the head.Endoscopic retrograde cholangiopancreatography revealed dye leakage in the head of the main pancreatic duct.Therefore,a 5F 7 cm linear plastic stent was deployed into the pancreatic duct to divert the pancreatic juice.The patient’s abdominal pain improved immediately after pancreatic stent insertion,and amylase and lipase levels normalized within a week.Neoadjuvant chemotherapy was then initiated.CONCLUSION Using the fanning method in EUS-TS can inadvertently cause damage to the pancreatic duct and may lead to clinically significant pancreatitis.Placing a pancreatic stent may immediately resolve acute pancreatitis and shorten the waiting time for curative therapy.When using the fanning method during EUSTS,ductal structures should be excluded to prevent pancreatic ductal leakage.

关键词： Endoscopic ultrasound-guided tissue sampling Pancreatitis Pancreatic duct leak Pancreatic stent Case report

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Multi-objective optimization of the cathode catalyst layer micro-composition of polymer electrolyte membrane fuel cells using a multi-scale,two-phase fuel cell model and data-driven surrogates

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Journal of Energy Chemistry 2023年第6期81卷 28-41,I0003页

作者： Neil Vaz Jaeyoo Choi yohan Cha Jihoon Kong Yooseong park Hyunchul Ju Department of Mechanical Engineering Inha University100 Inha-ro Michuhol-GuIncheon 22212Republic of Korea

Polymer electrolyte membrane fuel cells(PEMFCs)are considered a promising alternative to internal combustion engines in the automotive sector.Their commercialization is mainly hindered due to the cost and effectiveness of using platinum(Pt)in them.The cathode catalyst layer(CL)is considered a core component in PEMFCs,and its composition often considerably affects the cell performance(V_(cell))also PEMFC fabrication and production(C_(stack))costs.In this study,a data-driven multi-objective optimization analysis is conducted to effectively evaluate the effects of various cathode CL compositions on Vcelland Cstack.Four essential cathode CL parameters,i.e.,platinum loading(L_(Pt)),weight ratio of ionomer to carbon(wt_(I/C)),weight ratio of Pt to carbon(wt_(Pt/c)),and porosity of cathode CL(ε_(cCL)),are considered as the design variables.The simulation results of a three-dimensional,multi-scale,two-phase comprehensive PEMFC model are used to train and test two famous surrogates:multi-layer perceptron(MLP)and response surface analysis(RSA).Their accuracies are verified using root mean square error and adjusted R^(2).MLP which outperforms RSA in terms of prediction capability is then linked to a multi-objective non-dominated sorting genetic algorithmⅡ.Compared to a typical PEMFC stack,the results of the optimal study show that the single-cell voltage,Vcellis improved by 28 m V for the same stack price and the stack cost evaluated through the U.S department of energy cost model is reduced by$5.86/k W for the same stack performance.

关键词： Polymer electrolyte membrane fuel cell Surrogate modeling Multi-layer perceptron(MLP) Response surface analysis(RSA) Non-dominated sorting genetic algorithmⅡ(NSGAⅡ)

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Management of post-liver transplantation biliary stricture inaccessible by endoscopic retrograde cholangiopancreatography:A case report

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World Journal of Clinical Cases 2023年第34期11卷 8235-8241页

作者： yohan Lee Chang Hwan park Eunae Cho Ki-Hyun Kim Division of Gastroenterology and Hepatology Department of Internal MedicineChonnam National University HospitalGwangju 61469South Korea

BACKGROUND One challenging scenario in the treatment of biliary stricture is that post-liver transplantation(LT)biliary strictures cannot be accessed using endoscopic retrograde cholangiopancreatography(ERCP).Here,we report such a case that was successfully treated using a novel endoscopic technique.CASE SUMMARY A 60-year-old man presented with obstructive jaundice caused by a post-LT biliary stricture.He underwent LT for compensated alcoholic liver cirrhosis and hepatocellular carcinoma.Laboratory investigations unveiled a cholestatic pattern of abnormalities in liver function and a total bilirubin level of 16 mg/dL.Magnetic resonance cholangiopancreatography revealed a stricture extending from the right intrahepatic bile duct into the common hepatic duct.Severe postoperative deformities made accessing the ampulla of Vater with a sideviewing duodenoscope impossible.Percutaneous transhepatic biliary drainage(PTBD)was performed to treat biliary obstruction.Moreover,to resolve the stricture completely,a fully covered self-expandable metal stent(FC-SEMS)with a novel proximal retrievable string was deployed into the post-LT biliary stricture through the PTBD tract.Before inserting the stent through the PTBD tract,the stent with the distal string was manually inverted to ensure that the distal part with the string became the proximal part for later endoscopic removal.After 6 mo,the FC-SEMS was successfully removed without complications,as the string was pulled out using a forward-viewing gastroscope.CONCLUSION Deployment and endoscopic removal of an FC-SEMS with a novel proximal string through the PTBD tract may be a viable option for treating post-LT biliary strictures that are inaccessible by ERCP.

关键词： Jaundice Obstructive Percutaneous transhepatic cholangioscopy Self-expandable metallic stents Case report

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光的盒子

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建筑实践 2015年第3期 32-37页

作者：杨一石 yohan Zerdoun Jrg Hempel

项目名称:the Melaten Car park项目地点:RwTH Aachen University,Germany项目设计:kister scheithauergross architects and city planners（ksg）,Cologne负责合伙人:Prof Johannes Kister项目经理:Gabriel Morsch项目管理:HIB Huber Integral Bau GmbH,Rheinbrohl完成时间:2014项目面积:21,500 m;承包商:Projektgesellschaft NGP;（ksg and Krawinkel Ingenieure）客户:Bau-und Liegenschaftsbetrieb des Landes Nordrhein-Westfalen（BLB NRW）,Niederlassung Aachen

关键词：建筑师太阳高度角照明系统天花板实验楼混凝土建筑

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