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Role of octreotide in small bowel bleeding

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World Journal of Clinical Cases 2022年第26期10卷 9192-9206页

作者： Anwar Khedr Esraa Elaraby Mahmoud Noura Attallah mikael mir Sydney Boike Ibtisam Rauf Abbas B Jama Hisham Mushtaq Salim Surani Syed A Khan Department of Internal Medicine BronxCare Health SystemBronxNY 10457United States Department of Medicine University of SharjahSharjah 27272United Arab Emirates Critical Care Medicine Mayo Clinic Health SystemMankatoMN 56001United States Department of Medicine University of MinnesotaMinneapolisMN 55455United States Department of Medicine St.George School of MedicineGrenadaWest Indies Department of Medicine Texas A&M University Health Science CenterBryanTX 77807United States

Gastrointestinal bleeding accounts for a drastic negative impact on the quality of the patients’lives as it requires multiple diagnostic and therapeutic interventions to identify the source of the *** bowel bleeding is the least common cause of gastrointestinal ***,it is responsible for the majority of complaints from patients with persisting or recurring bleeding where the primary source of bleeding cannot be identified despite investigation.A somatostatin analog known as octreotide is among the medical treatment modalities currently used to manage small bowel *** medication helps control symptoms of gastrointestinal bleeding by augmenting platelet aggregation,decreasing splanchnic blood flow,and antagonizing *** this review article,we will highlight the clinical efficacy of octreotide in small bowel bleeding and its subsequent effect on morbidity and mortality.

关键词： Octreotide Small bowel Hemorrhage Angiodysplasia Vascular malformations Hereditary hemorrhagic telangiectasia

Sodium-glucose cotransporter-2 inhibitor-associated euglycemic diabetic ketoacidosis in COVID-19-infected patients: A systematic review of case reports

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世界临床病例杂志 2023年第24期11卷 5700-5709页

作者： Anwar Khedr Hussam Al Hennawi Muhammed Khuzzaim Khan Aalaa Eissa mikael mir Ibtisam Rauf Jain Nitesh Salim Surani Syed Anjum Khan Department of Medicine Bronx Care Health SystemBronxNY 10457United States Department of Internal Medicine Jefferson Abington HospitalAbingtonPA 19001United States Department of Internal Medicine Dow University of Health ScienceKarachi 74200Pakistan Department of Medicine Kafrelsheikh UniversityKFS 33511Egypt Department of Medicine University of MinnesotaMinneapolisMN 55455United States Department of Medicine St.George’s UniversitySchool of MedicineSt.George SW170REGrenada Department of Critical Care Mayo Clinic Health SystemMankatoMN 56001United States Department of Medicine&Pharmacology Texas A&M UniversityCollege StationTX 77843United States Department of Critical Care Medicine Mayo Clinic Health SystemMankatoMN 56001United States

BACKGROUND Diabetic ketoacidosis(DKA)manifests as hyperglycemia,metabolic acidosis,and ***,euglycemic DKA(eu-DKA)conceals severe DKA with glucose levels below 200 mg/***-glucose cotransporter-2(SGLT2)inhibitors can induce eu-DKA in diabetic ***,coronavirus disease 2019(COVID-19)-infected individuals with diabetes using SGLT2 inhibitors face an augmented risk of eu-DKA due to the direct toxic impact of the virus on pancreatic *** study aims to comprehensively investigate the association between SGLT2 inhibitors and eu-DKA in COVID-19 patients through meticulous case report ***,we endeavor to examine the outcomes and treatment approaches for COVID-19-infected diabetics receiving SGLT2 inhibitors,providing indispensable insights for healthcare professionals managing this specific patient *** To investigate the connection between SGLT2 inhibitors and euglycemic DKA in COVID-19 patients through a meticulous analysis of case *** We conducted an exhaustive search across prominent electronic databases,including PubMed,SCOPUS,Web of Science,and Google *** search encompassed the period from December 2019 to May 2022,incorporating published studies and *** search terms employed encompassed“SGLT2 inhibitors”,“euglycemic DKA”,“COVID-19”,and related *** incorporating these diverse sources,our objective was to ensure a thorough exploration of the existing literature on this subject,thereby augmenting the validity and robustness of our *** Our search yielded a total of seven case reports and one case series,collectively comprising a cohort of twelve *** reports detailed instances of eu-DKA in individuals with ***,all twelve patients were utilizing SGLT2 as their primary anti-diabetic *** admission,all oral medications were promptly discontinued,and the patients were initiated on intravenous insulin therapy to effectively ma

关键词： Sodium-glucose transporter 2 inhibitors COVID-19 SARS-CoV-2 Diabetic ketoacidosis Euglycemic diabetic ketoacidosis Diabetes mellitus

Vault RNAs(vtRNAs):Rediscovered non-coding RNAs with diverse physiological and pathological activities

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Genes & Diseases 2024年第2期11卷 772-787页

作者： Mahsa Aghajani mir Deputy of Research and Technology Health Research InstituteBabol University of Medical SciencesBabol 47176-4774Iran

The physicochemical characteristics of RNA admit non-coding RNAs to perform a different range of biological acts through various mechanisms and are involved in regulating a diversity of fundamental ***,some reports of pathological conditions have proved abnormal expression of many non-coding RNAs guides the *** RNAs are a class of non-coding RNAs containing stem regions or loops with well-conserved sequence patterns that play a fundamental role in the function of vault particles through RNA-ligand,RNA–RNA,or RNA-protein *** together,vault RNAs have been proposed to be involved in a variety of functions such as cell proliferation,nucleocytoplasmic transport,intracellular detoxification processes,multidrug resistance,apoptosis,and autophagy,and serve as microRNA precursors and signaling *** decades of investigations devoted,the biological function of the vault particle or the vault RNAs is not yet completely *** this review,the current scientific assertions of the vital vault RNAs functions were discussed.

关键词： ncRNA Vault complex Vault RNA vtRNA viral infection tumorigenesis

Overlap of diabetic ketoacidosis and hyperosmolar hyperglycemic state

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World Journal of Clinical Cases 2022年第32期10卷 11702-11711页

作者： Esraa Mamdouh Hassan Hisham Mushtaq Esraa Elaraby Mahmoud Sherley Chhibber Shoaib Saleem Ahmed Issa Jain Nitesh Abbas B Jama Anwar Khedr Sydney Boike mikael mir Noura Attallah Salim Surani Syed A Khan Critical Care Medicine Mayo Clinic Health SystemMankatoMN 56001United States Medicine St.Vincent's Medical CenterBridgeportCT 06606United States Medicine College of MedicineUniversity of SharjahSharjah 27272United Arab Emirates Medicine Mercy Catholic Medical CenterDarbyPA 19025United States Medicine Mayo HospitalLahore 54000PunjabPakistan Medicine Medical University of the AmericasNevisWest Indies Medicine BronxCare Health SystemBronxNY 10457United States Medicine University of Minnesota Medical SchoolMinneapolisMN 55455United States Medicine&Pharmacology Texas A&M University Health Science CenterCollege StationTX 77843United States Anesthesiolgy Mayo ClinicRochesterMN 55905United States

Diabetic ketoacidosis(DKA)and hyperosmolar hyperglycemia state(HHS)are two life-threatening metabolic complications of diabetes that significantly increase mortality and *** major advances,reaching a uniform consensus regarding the diagnostic criteria and treatment of both conditions has been challenging.A significant overlap between these two extremes of the hyperglycemic crisis spectrum poses an additional *** has well been noted that a complete biochemical and clinical patient evaluation with timely diagnosis and treatment is vital for symptom ***,there is a lack of large-scale studies that help define how hyperglycemic crises should be *** article will provide a comprehensive review of the pathophysiology,diagnosis,and management of DKA-HHS overlap.

关键词： Diabetic ketoacidosis Hyperosmolar Coma Diabetes Metabolic acidosis Hypernatremia Hyperosmolar hyperglycemia state

Towards implementation of alloy-specific thermo-fluid modelling for laser powder-bed fusion of Mg alloys

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Journal of Magnesium and Alloys 2024年第6期12卷 2327-2344页

作者： Mohammad Hoseini-Athar mikael Ersson Peter Hedström Department of Material Science and Engineering KTH Royal Institute of TechnologyStockholmSE-10044 Sweden

Multi-physics thermo-fluid modeling has been extensively used as an approach to understand melt pool dynamics and defect formation as well as optimizing the process-related parameters of laser powder-bed fusion(L-PBF).However,its capabilities for being implemented as a reliable tool for material design,where minor changes in material-related parameters must be accurately captured,is still in *** the present research,first,a thermo-fluid computational fluid dynamics(CFD)model is developed and validated against experimental *** the predicted material properties of the pure Mg and commercial ZK60 and WE43 Mg alloys,parametric studies are done attempting to elucidate how the difference in some of the material properties,i.e.,saturated vapor pressure,viscosity,and solidification range,can influence the melt pool *** is found that a higher saturated vapor pressure,associated with the ZK60 alloy,leads to a deeper unstable keyhole,increasing the keyhole-induced porosity and evaporation mass *** viscosity and wider solidification range can increase the non-uniformity of temperature and velocity distribution on the keyhole walls,resulting in increased keyhole instability and formation of ***,the WE43 alloy showed the best behavior in terms of defect formation and evaporation mass loss,providing theoretical support to the extensive use of this alloy in *** summary,this study suggests an approach to investigate the effect of materials-related parameters on L-PBF melting and solidification,which can be extremely helpful for future design of new alloys suitable for L-PBF.

关键词： Mg alloys Laser powder-bed fusion(L-PBF) Melt pool dynamics Computational fluid dynamics Fluid flow

Seamless morphing trailing edge flaps for UAS-S45 using high-fidelity aerodynamic optimization

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Chinese Journal of Aeronautics 2024年第2期37卷 12-29页

作者： mir Hossein NEGAHBAN Musavir BASHIR Victor TRAISNEL Ruxandra Mihaela BOTEZ LARCASE Laboratory of Applied Research in Active Controls Avionics and AeroservoelasticityEcole de Technologie SuperieureUniversite du QuebecMontreal H3C1K3Canada

The seamless trailing edge morphing flap is investigated using a high-fidelity steady-state aerodynamic shape optimization to determine its optimum configuration for different flight conditions,including climb,cruise,and gliding descent.A comparative study is also conducted between a wing equipped with morphing flap and a wing with conventional hinged *** optimization is performed by specifying a certain objective function and the flight performance goal for each flight *** the climb rate,extending the flight range and endurance in cruise,and decreasing the descend rate,are the flight performance goals covered in this *** optimum configurations were found for the morphing wing by determining the optimum morphing flap deflection for each flight condition,based on its objective function,each of which performed better than that of the baseline *** was shown that by using optimum configuration for the morphing wing in climb condition,the required power could be reduced by up to 3.8%and climb rate increases by 6.13%.The comparative study also revealed that the morphing wing enhances aerodynamic efficiency by up to 17.8%and extends the laminar ***,the optimum configuration for the gliding descent brought about a 43%reduction in the descent rate.

关键词： Seamless morphing trailing edge flap Aerodynamic optimization Gradient-based optimiza-tion Climb flight condition Gliding descent Flight range Endurance

Challenges facing the USA in matching Germany on advanced manufacturing for green growth

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International Journal of Innovation Studies 2024年第1期8卷 13-24页

作者： mikael Skou Andersen Aarhus University Dept.of Environmental ScienceKatrinebjergvej 89G8200Aarhus N.Denmark

This study explores the relative strength of public policies promoting advanced manufacturing by comparing the government programs and capacities of two world leaders in science and technology:the USA and *** on insights from’varieties-of-capitalism’literature and using process tracing methodology,this study identifies significant differences in today’s pursuit of advanced *** German model of Rhine capitalism has strength due to its long tradition of diversified quality work,built on a long-term commitment to government-industry collaboration,with significant indirect public support provided by vocational training and research *** American model of Manchester capitalism has been challenged by the loss of millions of low-skilled manufacturing jobs due to outsourcing and competition from *** study finds that the“Manufacturing USA”policy initiative of the Obama era,although directly inspired by Germany’s Fraunhofer institutes,is hampered by the contextual and institutional circumstances *** biobased carbon fibers offering the potential of a novel,low-cost material,pursued with research and development(R&D)efforts in both countries,it provides a measure for evaluating policy outcomes,and the study confirms Germany’s technological *** addition,the study’s process-tracing methodology reveals that significant legacies from German knowledge creation in the past have spilled over to American science and technology,and may continue to do so,lured by government *** studies on advanced manufacturing should test the robustness of these findings.

关键词： Research policy Industry 4.0 Bioeconomy Low-carbon innovation Varieties of capitalism Process tracing

Effect of fibrinolytic therapy on ST-elevation myocardial infarction clinical outcomes during the COVID-19 pandemic:A systematic review and meta-analysis

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World Journal of Cardiology 2023年第6期15卷 309-323页

作者： Anwar Khedr Hussam Al Hennawi Muhammed Khuzzaim Khan Mostafa Elbanna Abbas B Jama Ekaterina Proskuriakova Hisham Mushtaq mikael mir Sydney Boike Ibtisam Rauf Aalaa Eissa Meritxell Urtecho Thoyaja Koritala Nitesh Jain Lokesh Goyal Salim Surani Syed A Khan Department of Internal Medicine BronxCare Health SystemBronxNY 10457United States Department of Internal Medicine Jefferson Abington HospitalAbingtonPA 19001United States Department of Internal Medicine Dow University of Health ScienceKarachi 74200Pakistan Department of Internal Medicine Rochester Regional HealthRochesterNY 14621United States Department of Critical Care Mayo Clinic Health SystemMankatoMN 56001United States Department of Internal Medicine Mount Sinai HospitalChicagoIL 60608United States Department of Internal Medicine St.Vincent's Medical CenterBridgeportCT 06606United States Department of Medicine University of MinnesotaMinneapolisMN 55455United States Department of Medicine St.George's UniversitySchool of MedicineSt George SW170REGrenada Department of Medicine KFS UniversityKFS 33511Egypt Department of Medicine Robert D and Patricia E.Kern Center of Health Care DeliveryMayo ClinicRochesterMN 55905United States Department of Hospital Medicine Mayo Clinic Health SystemMankatoMN 56001United States Department of Medicine Mayo Clinic Health SystemMankatoMN 56001United States Department of Hospital Medicine Christus Sphon Hospital-shorelineCorpus ChristoTX 78404United States Department of Pulmonary Critical Care&Sleep MedicineTexas A&M UniversityCollege StationTX 77843United States Department of Critical Care Medicine Mayo Clinic Health SystemMankatoMN 56001United States

BACKGROUND ST-elevation myocardial infarction(STEMI)is the result of transmural ischemia of the myocardium and is associated with a high mortality *** percutaneous coronary intervention(PPCI)is the recommended first-line treatment strategy for patients with *** timely delivery of PPCI became extremely challenging for STEMI patients during the coronavirus disease 2019(COVID-19)pandemic,leading to a projected steep rise in *** delays were overcome by the shift from first-line therapy and the development of modern fibrinolytic-based *** is unclear whether fibrinolytic-based reperfusion therapy is effective in improving STEMI *** To determine the incidence of fibrinolytic therapy during the COVID-19 pandemic and its effects on STEMI clinical *** PubMed,Google Scholar,Scopus,Web of Science,and Cochrane Central Register of Controlled Trials were queried from January 2020 up to February 2022 to identify studies investigating the effect of fibrinolytic therapy on the prognostic outcome of STEMI patients during the *** outcomes were the incidence of fibrinolysis and the risk of all-cause *** were meta-analyzed using the random effects model to derive odds ratios(OR)and 95%confidence *** assessment was carried out using the Newcastle-Ottawa *** Fourteen studies including 50136 STEMI patients(n=15142 in the pandemic arm;n=34994 in the pre-pandemic arm)were *** mean age was 61 years;79%were male,27%had type 2 diabetes,and 47%were *** with the pre-pandemic period,there was a significantly increased overall incidence of fibrinolysis during the pandemic period[OR:1.80(1.18 to 2.75);I2=78%;P=0.00;GRADE:Very low].The incidence of fibrinolysis was not associated with the risk of all-cause mortality in any *** countries with a low-and middle-income status reported a higher incidence of fibrinolysis[OR:5.16(2.18 to 12.22);I2=81%;P=0.00;GRADE:Very lo

关键词： ST-elevation myocardial infarction Myocardial infarction Thrombolytic therapy Fibrinolysis COVID-19 Pandemics

Neurovascular unit on a chip:the relevance and maturity as an advanced in vitro model

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Neural Regeneration Research 2024年第6期19卷 1165-1166页

作者： Sujey Palma-Florez Anna Lagunas Mònica mir Nanobioengineering Group Institute for Bioengineering of Catalonia(IBEC)Barcelona Institute of Science and Technology(BIST)BarcelonaSpain CIBER-BBN ISCIIIMadridSpain Department of Electronics and Biomedical Engineering University of BarcelonaBarcelonaSpain

The brain is a high-energy demanding organ,consuming around 20%of the metabolic energy *** fulfill this demand,cerebral blood flow(CBF)supplies oxygen and glucose continuously through the intricate network of cerebral blood *** for many years brain activity and blood flow were conceived as independent processes,MRI-based functional brain imaging demonstrated that there is a coupling between them.

关键词： cerebral maturity consuming