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Open versus laparoscopic cholecystectomies in patients with or without type 2 diabetes mellitus in Spain from 2003 to 2013

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Hepatobiliary & Pancreatic Diseases International 2016年第5期15卷 525-532页

作者： JoséM de Miguel-Yanes Manuel Méndez-Bailón rodrigo jiménez-garcía Valentín Hernández-Barrera Napoleón Pérez-Farinós Fernando Turégano Nuria Munoz-Rivas Ana López-de-Andrés Internal Medicine Department Hospital General Universitario“Gregorio Maranón”46Doctor Esquerdo28007MadridSpain Internal Medicine Department Hospital Clínico San CarlosCalle Profesor Martín Lagos28040MadridSpain Preventive Medicine and Public Health Department Health Sciences FacultyRey Juan Carlos UniversityAvenida de AtenasAlcorcón28292MadridSpain Spanish Agency of Alimentary Safety and Nutrition Ministry of HealthSocial Policy and Equality56Alcalá28071MadridSpain Internal Medicine Department Hospital Infanta Leonor80Avenida Gran Vía del Este28031MadridSpain Surgery Department Hospital General Universitario“Gregorio Maranón”46Doctor Esquerdo28007MadridSpain

BACKGROUND: This study aimed to compare the rates of open and laparoscopic cholecystectomies and outcomes in patients with or without type 2 diabetes mellitus (T2DM) in Spain from 2003 to 2013. METHODS: We collected all cases of open and laparoscopic cholecystectomies using national hospital discharge data and evaluated the annual cholecystectomy rates stratiifed by T2DM status. We analyzed tendency for in-hospital mortality (IHM). We also analyzed the impact of T2DM on IHM in patients who underwent cholecystectomies. RESULTS: We identiifed 611 533 cholecystectomies (71.3%laparoscopic) in the patients, in whom 78 227 (12.8%) patients had T2DM. The rates of open cholecystectomies were 3-fold higher (130.0/105 vs 41.1/105) in patients with T2DM than in those without T2DM, and the rate of laparoscopic cholecys-tectomies was almost 2-fold higher (195.2/105 vs 111.8/105) in patients with T2DM. The annual rate of laparoscopic pro-cedures showed an 11-year relative increase of 88.3% (from 117.0/105 to 220.3/105) in T2DM and 49.2% (from 79.2/105 to 118.2/105) in patients without T2DM (P CONCLUSION: The rate of cholecystectomy was higher in patients with T2DM, and laparoscopic cholecystectomy was p

关键词： diabetes mellitus cholecystectomy mortality in-hospital mortality

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Misfolded amyloid-beta conformational variants(strains)as drivers of Alzheimer's disease neuropathology

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Neural Regeneration Research 2025年第11期20卷 3219-3220页

作者： Salvatore Saieva rodrigo Morales Department of Neurology The University of Texas Health Science Center at HoustonHoustonTXUSA Centro Integrativo de Biologia y Quimica Aplicada(CIBQA) Universidad Bernardo O’HigginsSantiagoChile

Pathological and clinical variability in Alzheimer's disease(AD):AD is clinically cha racterized by progressive memory loss and cognitive *** a pathological point of view,the main features of AD are the deposition of amyloid plaques(composed of amyloid-beta,Aβ)and neurofibrillary tangles containing hyperphosphorylated Tau in the brain,accompanied by neu ronal and synaptic loss,neuroinflammation and brain atrophy(Jellinger,2022).Regardless of these common traits,growing evidence shows increased heterogen eity in the brain of AD patients considering both clinical manifestations and pathological features.

关键词： amyloid Alzheimer clinical

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Role of peripheral amyloid-β aggregates in Alzheimer’s disease: mechanistic, diagnostic, and therapeutic implications

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Neural Regeneration Research 2025年第4期20卷 1087-1089页

作者： Nazaret Gamez rodrigo Morales Department of Neurology The University of Texas Health Science Center at HoustonHoustonTXUSA Centro Integrativo de Biologia y Quimica Aplicada(CIBQA) Universidad Bernardo O’HigginsSantiagoChile

Compelling evidence demonstrates that the levels of peripheral amyloid-β(Aβ)fluctuate in Alzheimer’s disease(AD)***,Aβdeposits have been identified in peripheral ***,the relevance of peripheral Aβ(misfolded or not)in pathological situations,and the temporal appearance of these pathological fluctuations,are not well *** presence of misfolded Aβin peripheral compartments raises concerns on potential inter-individual transmissions considering the well-reported prion-like properties of this disease-associated *** latter is supported by multiple reports demonstrating that Aβmisfolding can be transmitted between humans and experimental animals through multiple routes of *** this mini-review,we discuss the potential implications of peripheral,disease-associated Aβin disease mechanisms,as well as in diagnostic and therapeutic approaches.

关键词： therapeutic amyloid latter

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RESIDENTIAL SOLAR ENERGY POTENTIAL FOR PUBLIC DISSEMINATION:A CASE STUDY IN CONCEPCION,CHILE

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Journal of Green Building 2016年第1期11卷 118-133页

作者： rodrigo garcía Alvarado Lorena Troncoso Pablo Campos University of Bio-Bío Department of Design and Theory of ArchitectureConcepciónChile University of Concepción Department of Mechanical EngineeringConcepciónChile

This paper presents a method for estimating the solar capture capacity of dwell-ings using the central urban area of Concepción,Chile,as a case study in order to promote self-generation of energy by *** method takes into account the growing domestic energy demand and the possibility of meeting this demand through integrated solar energy collection into buildings using different *** methodology considers a study of the potential incoming solar radiation on buildings according to their geographical location and the surrounding *** capacity for solar capture is then estimated for different dwelling types accord-ing to their ***,the energy contribution provided by differ-ent technologies(solar thermal,photovoltaic and hybrid)is identified in relation to the main average energy demands for electricity,water and space ***,systems for each dwelling are recommended in an urban map available *** development is based on climate information,cartography,aerial photo-graphs,surveys,housing models,technical standards,standardised calculations and dynamic simulations,implemented according to building layouts from an online Geographic Information System(GIS).The housing types are categorised in an urban map that relates household demands and the contribution of different solar energy *** to the estimates calculated,the residential units in the study offer sufficient solar capacity to supply between 40 and 60%of their energy consumption,especially in detached houses using roof-mounted hybrid systems.

关键词： solar energy urban area housing solar map Concepción Chile

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Water and nutrient and energy systems in urbanizing watersheds

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Frontiers of Environmental Science & Engineering 2012年第5期6卷 596-611页

作者： rodrigo VILLARROEL WALKER Michael Bruce BECKl, jim W. HALL Warnell School of Forestry & Natural Resources University of Georgia Athens GA 30602-2152 USA Environmental Change Institute University of Oxford Oxford University Centre for the Environment South Parks Road Oxford OXI 3QY UK

Driven by considerations of sustainability, it has become increasingly difficult over the past 15-20 years -- at least intellectually -- to separate out the water infrastructure and water metabolism of cities from their intimately inter-related nutrient and energy metabolisms. Much of the focus of this difficulty settles on the wastewater component of the city＇s water infrastructure and its associated fluxes of nutrients （N, P, C, and so on）. Indeed, notwithstanding the massive volumes of these materials flowing into and out of the city, the notion of an urban nutrient infrastructure is conspicuous by its absence. Likewise, we do not tend to discuss, or conduct research into, ＂soilshed＂ agencies, or soilshed management, or Integrated Nutrient Resources Management （as opposed to its most familiar companion, Integrated Water Resources Management, or IWRM）. The paper summarizes some of the benefits （and challenges） deriving from adopting this broader, multi-sectoral ＂systems＂ perspective on addres- sing water-nutrient-energy systems in city-watershed settings. Such a perspective resonates with the growing interest in broader policy circles in what is called the ＂water-food-energy security nexus＂. The benefits and challenges of our Multi-sectoral Systems Analysis （MSA） are illustrated through computational results from two primary case studies： Atlanta, Georgia, USA; and London, UK. Since our work is part of the International Network on Cities as Forces for Good in the Environment （CFG; see ***）, in which other case studies are currently being initiated -- for example, on Kath- mandu, Nepal we close by reflecting upon these issues of water-nutrient-energy systems in three urban settings with quite different styles and speeds of development.

关键词： cities climate change energy sector nutrientsector systems analysis resource recovery water-food-energy security

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OPTIMAL DESIGN OF HOUSING ATTICS WITH INTEGRATED SOLAR COLLECTORS

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Journal of Green Building 2017年第4期12卷 3-20页

作者： rodrigo garcía Alvarado Pedro G.Campos Paulina Wegertseder Departmento Diseño y Teoría de la Arquitectura Universidad del Bío-BíoAv.Collao 1202Concepción 4051381Chile Departmento de Sistemas de Información Universidad del Bío-BíoAv.Collao 1202Concepción 4051381Chile Diseño y Teoría de la Arquitectura Universidad del Bío-BíoAv.Collao 1202Concepción 4051381Chile

In order to reduce the increasing energy consumption for the domestic demands of existing single-family housing and take advantage of frequent building enlargements,this paper presents a methodology and supporting software tool for determining the optimal design configuration of an attic with integrated solar *** analysis procedure is based on parametric modeling,energy simulation and the use of evolutionary algorithms for finding optimal *** has been implemented as a Web-platform for public use that provides users with a proposal of an attic shape with maximum solar energy collection,maximum living space and minimum construc-tion envelope for each house according its size and *** attic integrates PV,thermal and hybrid solar panels on one side of the *** paper describes the methodology and software design,asssment of the Web-platform usage and case-studies to verify its *** a matter of minutes,the Web-platform enables users to select a specific attic design for each house that has integrated solar collectors that can produce energy to cover almost 100%of domestic energy *** attics designed provide a nearly 30%increase in living space through the extension of one to four rooms,and the construction cost of the envelope is similar to that of a standard housing extension.

关键词： web platform for attic design integrated solar collectors attic spaces energy consumption of single family housing parametric modeling energy simulation optimal designs

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Microstructural Feature of As-cast A-356 Alloy Modifiers with the Addition of SrO

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Journal of Wuhan University of Technology(Materials Science) 2014年第3期29卷 617-619页

作者： MU?IZ rodrigo FLORES Alfredo ORTIZ Juan RODRíGUEZ Nelly MARTínez Fernando OROZCO Pilar LUNA Jesús Equihua Fabián garcía Adrián Faculty of Engineering Autonomous University of Coahuila Camporedondo UnitSaltillo Coahuila México CINVESTAV Saltillo Unit Department of Metal Mechanics Technological Institute of Saltillo Faculty of Engineering Autonomous University of Zacatecas FIME Autonomous University of Coahuila Unit

To explore the effect of strontium on the structure of as-cast A356 alloy, the strontium was incorporated to the alloy by metallothermic reduction of SrO where the mineral was added to the melt through the submerged powders injection technique. The evaluation of the modification of the eutectie silicon and the chemical analysis of samples were done using optical microscopy （OP） and inductively coupled plasma （ICP）, respectively, while microstructural analyses by scanning electron microscopy （SEM）, and the injection time was variable. Magnesium was added to the melt to increase the reactivity and reduce the surface tension of the molten aluminum. It was possible to increase the strontium content from 0 to 0.027% after 20 minutes treatment. This concentration was sufficient to bring about full modification structure of eutectic silicon of as cast alloy A 356 and the acceptable quality metallurgical of alloy.

关键词： modification microstmcture strontium eutectic silicon submerged powder injection

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Metabolic complications in liver transplant recipients

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World Journal of Gastroenterology 2016年第28期22卷 6416-6423页

作者： Miguel jiménez-Pérez Rocío González-Grande Edith Omonte Guzmán Víctor Amo Trillo Juan Miguel rodrigo López UGC de Aparato Digestivo Unidad de Hepatología-Trasplante Hepático Hospital Universitario Regional de Málaga

The metabolic syndrome(MS), which includes obesity,dyslipidaemia, hypertension and hyperglycaemia according to the most widely accepted definitions now used, is one of the most common post-transplant complications, with a prevalence of 44%-58%. The MS, together with the immunosuppression, is considered the main risk factor for the development of cardiovascular disease(CVD) in transplant recipients, which in turn accounts for 19%-42% of all deaths unrelated to the graft. The presence of MS represents a relative risk for the development of CVD and death of 1.78. On the other hand, non-alcoholic fatty liver disease(NAFLD), considered as the manifestation of the MS in the liver, is now the second leading reason for liver transplantation in the United States after hepatitis C and alcohol. NAFLD has a high rate of recurrence in the liver graft and a direct relation with the worsening of other metabolic disorders, such as insulin resistance or diabetes mellitus. Consequently, it is vitally important to identify and treat as soon as possible such modifiable factors as hypertension, overweight, hyperlipidaemia or diabetes in transplanted patients to thus minimise the impact on patient survival. Additionally, steroid-free regimens are favoured, with minimal immunosuppression to limit the possible effects on the development of the MS.

关键词： Metabolic syndrome Liver transplantation Immunosuppressions Risk factors Non-alcoholic fatty liver disease

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Keratinous and corneous-based products towards circular bioeconomy: A research review

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Environmental Science and Ecotechnology 2024年第6期22卷 25-37页

作者： Giovanni Davide Barone Irene Tagliaro rodrigo Oliver-Simancas Matteo Radice Livia M.Kalossaka Michele Mattei Antonino Biundo Isabella Pisano Amparo jiménez-Quero Institute of Biology University of Graz8010GrazAustria Department of Materials Science University of Milano-Bicocca20126MilanoItaly Division of Industrial Biotechnology Department of Life SciencesChalmers University of TechnologyGothenburg41296Sweden Department of Biosciences Biotechnology and BiopharmaceuticsUniversity of Bari Aldo MoroVia E.Orabona470125BariItaly Department of Chemistry Molecular Sciences Research HubImperial College LondonW120BZ LondonUnited Kingdom Libera UniversitàInternazionale Degli Studi Sociali“Guido Carli” I-00198RomeItaly CIRCC-Interuniversity Consortium Chemical Reactivity and Catalysis Via C.Ulpiani 2770126BariItaly

Keratins and corneous proteins are key components of biomaterials used in a wide range of applications and are potential substitutes for petrochemical-based products. Horns, hooves, feathers, claws, and similar animal tissues are abundant sources of α-keratin and corneous β-proteins, which are by-products of the food industry. Their close association with the meat industry raises environmental and ethical concerns regarding their disposal. To promote an eco-friendly and circular use of these materials in novel applications, efforts have focused on recovering these residues to develop sustainable, non-animal-related, affordable, and scalable procedures. Here, we review and examine biotechnological methods for extracting and expressing α-keratins and corneous β-proteins in microorganisms. This review highlights consolidated research trends in biomaterials, medical devices, food supplements, and packaging, demonstrating the keratin industry's potential to create innovative value-added products. Additionally, it analyzes the state of the art of related intellectual property and market size to underscore the potential within a circular bioeconomic model.

关键词： Alpha-keratin Corneous beta-protein Environmentally sustainable technology Biotechnology Resource recovery

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Endoscopic treatment of biliopancreatic pathology in patients with Whipple's pancreaticoduodenectomy surgical variants: Lessons learned from single-balloon enteroscopy-assisted ERCP

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Hepatobiliary & Pancreatic Diseases International 2024年第5期23卷 509-514页

作者： rodrigo garcés-Durán Laurent Monino Pierre H Deprez Hubert Piessevaux Tom G Moreels Department of Gastroenterology and Hepatology Universitécatholique de LouvainCliniques Universitaires Saint-LucAvenue Hippocrates 101200 BrusselsBelgium

Background: Endoscopic treatment of biliopancreatic pathology is challenging due to surgically altered anatomy after Whipple's pancreaticoduodenectomy. This study aimed to evaluate the feasibility and safety of single-balloon enteroscopy-assisted endoscopic retrograde cholangiopancreatography(SBE-ERCP) to treat biliopancreatic pathology in patients with Whipple's pancreaticoduodenectomy surgical variants. Methods: We retrospectively analyzed 106 SBE-ERCP procedures in 46 patients with Whipple's variants. Technical and clinical success rates and adverse events were evaluated. Results: Biliary SBE-ERCP was performed in 34 patients and pancreatic SBE-ERCP in 17, including 5 with both indications. From a total of 106 SBE-ERCP procedures, 76 were biliary indication with technical success rate of 68/76(90%) procedures and clinical success rate of 30/34(88%) patients. Mild adverse event rate was 8/76(11%), without serious adverse events. From a total of 106 SBE-ERCP procedures, 30 were pancreatic indication with technical success rate of 24/30(80%) procedures( P = 0.194 vs. biliary SBEERCP) and clinical success rate of 11/17(65%) patients( P = 0.016 vs. biliary SBE-ERCP). Mild adverse event rate was 6/30(20%)( P = 0.194 vs. biliary SBE-ERCP), without serious adverse events. After SBE-ERCP failure, endoscopic ultrasound-guided drainage, percutaneous drainage and redo surgery were alternative therapeutic options. Conclusions: Biliopancreatic pathology after Whipple's pancreaticoduodenectomy variants can be treated using SBE-ERCP without serious adverse events. Technical and clinical success rates are high for biliary indications, whereas clinical success rate of pancreatic indications is significantly lower. SBE-ERCP can be considered as first-line treatment option in this patient group with surgically altered anatomy.

关键词： Enteroscopy Endoscopic retrograde cholangiopancreatography Pancreaticoduodenectomy Surgically altered anatomy Whipple’s procedure

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