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Is there sufficient evidence to support the use of antibiotic holiday just before the second stage of an infected total hip or knee arthroplasty revision surgery?

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World Journal of Orthopedics 2024年第5期15卷 483-485页

作者： konstantinos Tsikopoulos konstantinos Sidiropoulos Department of Orthopaedics Portsmouth Hospitals NHS University TrustPortsmouth University HospitalsPortsmouth PO63LYUnited Kingdom Emergency Department Papageorgiou General Hospital of ThessalonikiThessaloniki 54635Greece Medical School University of PatrasPatras 26504Greece

The practice of implementing an antibiotic holiday before the second stage of hip or knee arthroplasty is currently controversial due to limited evidence for this approach,as per the International Consensus Meeting 2018 on Musculoskeletal Infection.A greater understanding of this issue could augment the quality of Alrayes and Sukeik’s mini-review(2023)on diagnosing,managing,and treating periprosthetic knee ***,a significant lack of literature exists concerning the optimal duration for the antibiotic holiday,calling for more research before establishing any clinical guidelines.

关键词： Septic knee prosthesis revision Two stages Antibiotic holiday

Modeling and optimization of non-isothermal convective drying process of Lavandula×allardii

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Information Processing in Agriculture 2024年第1期11卷 1-13页

作者： Vasileios Chasiotis konstantinos-Stefanos Nikas Andronikos Filios Laboratory of Thermo Fluid Systems(LTFS) Department of Mechanical EngineeringUniversity of West AtticaAncient Olive Grove CampusThivon Str.250GR12244 EgaleoGreece

Non-isothermal convective drying schemes were examined for Lavandula×allardii leaves and *** process parameters were optimized using response surface methodology(RSM)to ensure the peak operational *** effects of temperature increase rate(2–4°C/h)and the airflow velocity(1–3 m/s)on the essential oil yield,drying duration and consumption,were investigated.A face-centered central composite design was deployed and the experimental data was adapted to the most suitable polynomial models,as determined by the regression *** of variance was applied to assess the effects of the process variables,their interactions and the statistical significance of the examined *** factors of temperature increase rate and airflow velocity had a significant impact on the drying *** velocity had a greater effect on leaves’essential oil yield and inflorescences’process energy consumption,whereas the rates of temperature increase had a greater influence on the inflorescences’essential oil yield and leaves’energy *** minimum drying duration and energy consumption were obtained for the maximum temperature increasing rate at 3 and 1 m/s airflow velocities respectively;and the highest essential oil yield was obtained for the least rate of temperature increase and airflow velocity for both leaves and *** optimization was performed for minimizing drying duration and energy consumption by maximizing the essential oil *** rate of temperature increases of 4°C/h and the airflow velocity of 1 m/s,were proposed as the optimum non-isothermal drying conditions for both leaves and inflorescences of Lavandula×*** values of essential oil content have been 1.387/3.05 mL/g,4.21/4.18 h drying time and 0.809/0.732 kWh energy consumption at the optimum operation point for leaves and inflorescences,*** resulted optimized non-stationary temperature scheme considerably improved the drying

关键词： Convective drying Non-isothermal drying Lavender Essential oil Process optimization

New perspectives in the management of diabetic nephropathy

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World Journal of Diabetes 2024年第6期15卷 1086-1090页

作者： Anna Psyllaki konstantinos Tziomalos The First Propedeutic Department of Internal Medicine Medical SchoolAristotle University of ThessalonikiAHEPA HospitalThessaloniki 54636Greece

Diabetic nephropathy(DN)is the leading cause of end-stage renal disease and is also associated with increased risk for cardiovascular *** recently,strict glycemic control and blockade of the renin-angiotensin system(RAS)constituted the mainstay of treatment of ***,randomized controlled trials showed that sodium-glucose cotransporter 2 inhibitors further reduce the progression of ***,these agents are recommended in all patients with DN regardless of DN stage and HbA1c ***,additional blockade of the RAS with finerenone,a selective non-steroidal mineralocorticoid receptor antagonist,was also shown to prevent both the decline of renal function and cardiovascular events in this ***,promising preliminary findings suggest that glucagon-like peptide 1 receptor agonists might also exert reno-and cardioprotective effects in patients with ***,this knowledge will improve the outcomes of this high-risk group of patients.

关键词： Diabetes mellitus Diabetic nephropathy Sodium-glucose cotransporter 2 inhibitors Finerenone Glucagon-like peptide 1 receptor agonists Finerenone

An explainable AI model for power plant NOx emission control

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Energy and AI 2024年第1期15卷 171-180页

作者： Yuanye Zhou Ioanna Aslanidou Mikael Karlsson konstantinos Kyprianidis School of Business Society and EngineeringMälardalens UniversityUniversitetsplan 172220VästeråsSweden Future Energy Centre Mälardalens UniversityUniversitetsplan 172220VästeråsSweden School of Innovation Design and EngineeringMälardalens UniversityUniversitetsplan 172220VästeråsSweden

In recent years,developing Artificial Intelligence(AI)models for complex system has become a popular research *** have been several successful AI models for predicting the Selective Non-Catalytic Reduction(SNCR)system in power plants and large ***,all these models are in essence black box models and lack of explainability,which are not able to give new *** this study,a novel explainable AI(XAI)model that combines the polynomial kernel method with Sparse Identification of Nonlinear Dynamics(SINDy)model is proposed to find the governing equation of SNCR system based on 5-year operation data from a power *** proposed model identifies the system’s governing equation in a simple polynomial format with polynomial order of 1 and only 1 independent variable among original 68 input *** addition,the explainable AI model achieves a considerable accuracy with less than 21%deviation from base-line models of partial least squares model and artificial neural network model.

关键词： Explainable AI SINDy Kernel SNCR Power plant Boiler

Understanding autoimmune pancreatitis: Clinical features, management challenges, and association with malignancies

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World Journal of Gastroenterology 2024年第15期30卷 2091-2095页

作者： Grigorios Christodoulidis Marina Nektaria Kouliou konstantinos Eleftherios Koumarelas Department of General Surgery University Hospital of LarissaUniversity of ThessalyLarissa 41110Greece

In this editorial we comment on the article by Jaber et *** pancreatitis(AIP)represents a distinct form of pancreatitis,categorized into AIP-1 and AIP-2,characterized by obstructive jaundice,lymphoplasmacytic infiltrate,and ***-1,associated with elevated immunoglobulin G4(IgG4)levels,exhibits higher relapse rates,affecting older males,while AIP-2 is less common and linked to inflammatory bowel *** is considered a manifestation of IgG4-related systemic disease,sharing characteristic histological *** are the primary treatment,with emerging biomarkers like interferon alpha and *** poses an increased risk of various malignancies,and the assoc-iation with pancreatic cancer is *** is reserved for severe cases,necessitating careful evaluation due to diagnostic *** patients may have concurrent PanINs but display favorable long-term outcomes compared to pancreatic cancer *** diagnostic assessment,including biopsy and steroid response,is crucial for informed surgical decisions in AIP.

关键词： Autoimmune pancreatitis Immunoglobulin G4-related disease Pancreatic cancer Surgery

Revolutionizing gastric cancer treatment:The potential of immunotherapy

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World Journal of Gastroenterology 2024年第4期30卷 286-289页

作者： Grigorios Christodoulidis konstantinos Eleftherios Koumarelas Marina Nektaria Kouliou Department of General Surgery University Hospital of LarissaLarissa 41110Greece

Gastric cancer,a prevalent malignancy worldwide,ranks sixth in terms of frequency and third in fatality,causing over a million new cases and 769000 annual *** in Eastern Europe and Eastern Asia,risk factors include family medical history,dietary habits,tobacco use,Helicobacter pylori,and Epstein-Barr virus ***,gastric cancer is often diagnosed at an advanced stage,leading to a grim prognosis,with a 5-year overall survival rate below 5%.Surgical intervention,particularly with D2 Lymphadenectomy,is the mainstay for early-stage cases but offers limited *** advanced cases,the National Comprehensive Cancer Network recommends chemotherapy,radiation,and targeted *** immunotherapy presents promise,especially for unresectable or metastatic cases,with strategies like immune checkpoint inhibitors,tumor vaccines,adoptive immunotherapy,and nonspecific *** this Editorial,with regards to the article“Advances and key focus areas in gastric cancer immunotherapy:A comprehensive scientometric and clinical trial review”,we address the advances in the field of immunotherapy in gastric cancer and its future prospects.

关键词： Immunotherapy Adaptive immunotherapy Tumor vaccines Chimeric antigen receptor therapy Tumor-infiltrating lymphocytes therapy Natural killer therapy Cytokine-induced killer therapy Engineered T cell receptor therapy Immune checkpoint inhibitors

Double role of depression in gastric cancer:As a causative factor and as consequence

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World Journal of Gastroenterology 2024年第10期30卷 1266-1269页

作者： Grigorios Christodoulidis Koumarelas konstantinos-Eleftherios Kouliou Marina-Nektaria Department of General Surgery University Hospital of LarissaLarissa 41110Greece

In this editorial we comment on the article“Hotspots and frontiers of the rela-tionship between gastric cancer and depression:A bibliometric study”.Gastric cancer(GC)is a common malignancy in the digestive system with increased mortality and morbidity rates *** treatments,such as gastrectomy,negatively impact patients'quality of life and beyond the physical strain,GC patients face psychological challenges,including anxiety and *** prevalence of depression can be as high as 57%,among gastrointestinal cancer *** to the advancements in treatment effectiveness and increased 5-year overall survival rates,attention has shifted to managing psychological ***,the significance of managing the depression doesn’t lie solely in the need for a better psychological *** leads to chronic stress acti-vating the sympathetic nervous system and the hypothalamus-pituitary-adrenal axis,leading release of catecholamines inducing tumor proliferation,migration,and metastasis,contributing to GC *** dysregulation of neurotrans-mitters and the involvement of various signaling pathways underscore the complex interplay between depression and *** strategies are required to address the psychological aspects of GC,including region-specific interventions and increased monitoring for *** the intricate relationship between depression and GC progression is essential for developing effective therapeutic strategies and improving overall outcomes for patients facing this complex *** this Editorial we delve into double role of depression in the pathogenesis of GC and as a complication of it.

关键词： Gastric cancer Depression Anxiety Chronic stress Pathogenesis of gastric cancer

Immune signature of small bowel adenocarcinoma and the role of tumor microenvironment

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World Journal of Gastroenterology 2024年第8期30卷 794-798页

作者： Grigorios Christodoulidis Marina Nektaria Kouliou konstantinos Eleftherios Koumarelas Department of General Surgery University Hospital of LarissaLarissa 41110Greece

In this editorial we comment on the article published“Clinical significance of programmed cell death-ligand expression in small bowel adenocarcinoma is determined by the tumor microenvironment”.Small bowel adenocarcinoma(SBA)is a rare gastrointestinal neoplasm and despite the small intestine's significant surface area,SBA accounts for less than 3%of such *** detection is challenging and the reason arises from its asymptomatic nature,often leading to late-stage discovery and poor *** involves platinum-based chemotherapy with a 5-fluorouracil combination,but the lack of effective chemotherapy contributes to a generally poor *** are linked to genetic disorders and risk factors,including chronic inflammatory *** unique characteristics of the small bowel,such as rapid cell renewal and an active immune system,contributes to the rarity of these tumors as well as the high intratumoral infiltration of immune cells is associated with a favorable *** cell death-ligand 1(PD-L1)expression varies across different cancers,with potential discrepancies in its prognostic *** instability(MSI)in SBA is associated with a high tumor mutational burden,affecting the prognosis and response to *** presence of PD-L1 and programmed cell death 1,along with tumor-infiltrating lymphocytes,plays a crucial role in the complex microenvironment of SBA and contributes to a more favorable prognosis,especially in the context of high MSI *** tumor-infiltrating lymphocytes are identified as independent prognostic indicators and the association between MSI status and a favorable prognosis,emphasizes the importance of evaluating the immune status of tumors for treatment decisions.

关键词： Programmed cell death 1 Programmed cell death-ligand 1 Programmed death ligand Small bowel adenocarcinoma Tumor infiltrating lymphocytes Tumor microenvironment Microsatellite instability

Assessing the impacts of traffic calming at network level:A multimodal agent-based simulation

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Journal of Traffic and Transportation Engineering(English Edition) 2024年第1期11卷 41-54页

作者： Eftychia Zargiannaki Panagiotis G.Tzouras Eleni Antoniou Christos Karolemeas konstantinos Kepaptsoglou School of Rural Surveying and Geoinformatics EngineeringNational Technical University of AthensZografou 15780Greece

The reduction of speed limits in urban roads through traffic calming schemes intends to ensure safer traffic conditions among road users by reducing the probability related to the occurrence of severe *** it from a different perspective,traffic calming measures can potentially resolve congestion problems at the same time by lowering the overall accessibility and attractiveness of private cars in urban *** study proposes a new methodological approach to explore and assess the direct impacts of traffic calming in the transport system efficiency of a metropolitan *** multi-agent transport simulation(MATSim)and Open-Berlin scenario are utilized to perform this simulation *** developing a new external tool,the free flow speed and road capacity of each network link is updated based on new speed limits and different compliance rates,which are defined per road hierarchy *** test scenarios that are formulated present radical conditions,where the speed limit in most urban roads of Berlin drops to 30 km/h or even 15 km/*** findings of this study show a considerably high increase in trips,passenger hours,and passenger kilometers using public transport modes,when traffic calming links are introduced,the reserve change is observed in private cars *** the speed limits are decreased in inner urban roads in most of the scenarios,the decrease of average travel speed of private cars is not so high as it was ***,private cars are used for longer distances in all test *** drivers seem to use already existed motorways and private road to *** simulations,driver compliance to the new speed limits seems to be a determinant factor that is strongly influenced by the design interventions applied in a traffic calming area.

关键词： Agent-based simulation Traffic calming Impact assessment Urban road network