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Helicobacter pylori infection- recent developments in diagnosis

World Journal of Gastroenterology 2014年第28期20卷 9299-9313页

作者： ana isabel lopes Filipa F Vale Mónica Oleastro Centro Académico de Medicina de Lisboa Faculdade de Medicina da Universidade de Lisboa Centro de Patogénese Molecular Unidade dos Retrovírus e Infec??es AssociadasInstituto de Medicina Molecular e Instituto de Investiga??o do MedicamentoFaculdade de FarmáciaUniversidade de Lisboa Laboratório Nacional de Referência das Infe??es Gastrintestinais Departamento de Doen?as InfeciosasInstituto Nacional de Saúde Dr Ricardo Jorge

Considering the recommended indications for Helicobacter pylori(***)eradication therapy and the broad spectrum of available diagnostic methods,a reliable diagnosis is mandatory both before and after eradication *** highly accurate tests should be used in clinical practice,and the sensitivity and specificity of an adequate test should exceed 90%.The choice of tests should take into account clinical circumstances,the likelihood ratio of positive and negative tests,the cost-effectiveness of the testing strategy and the availability of the *** review concerns some of the most recent developments in diagnostic methods of *** infection,namely the contribution of novel endoscopic evaluation methodologies for the diagnosis of *** infection,such as magnifying endoscopy techniques and *** addition,the diagnostic contribution of histology and the urea breath test was explored recently in specific clinical settings and patient *** studies recommend enhancing the number of biopsy fragments for the rapid urease *** culture from the gastric biopsy is the gold standard technique,and is recommended for antibiotic susceptibility *** is used for initial screening and the stool antigen test is particularly used when the urea breath test is not available,while molecular methods have gained attention mostly for detecting antibiotic resistance.

关键词： Helicobacter pylori Diagnosis Endoscopy Histology Culture Urea breath test Stool antigen test Serology Molecular methods

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Autoimmune gastritis presenting as iron deficiency anemia in childhood

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World Journal of Gastroenterology 2014年第42期20卷 15780-15786页

作者： Cristina Gon?alves Maria Emília Oliveira ana M Palha anabela Ferr?o anabela Morais ana isabel lopes Gastroenterology Unit Pediatric Department University Hospital Santa Maria Lisbon Academic Medical Centre Pathology Department University Hospital Santa Maria Lisbon Academic Medical Centre Hematology Unit Pediatric Department University Hospital Santa Maria Lisbon Academic Medical Centre

AIM: To characterize clinical, laboratorial, and histological profile of pediatric autoimmune gastritis in the setting of unexplained iron deficiency anemia investigation.

关键词： Autoimmune gastritis Iron deficiency anemia Children

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High-resolution multi-scale air pollution system:Evaluation of modelling performance and emission control strategies

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Journal of Environmental Sciences 2024年第3期137卷 65-81页

作者： Diogo lopes Joana Ferreira Sandra Rafael Ka In Hoi Xin Li Yuan Liu Ka-Veng Yuen Kai Meng Mok ana isabel Miranda Department of Environment and Planning&CESAM University of AveiroAveiroPortugal Department of Civil&Environmental Engineering Faculty of Science and TechnologyUniversity of MacaoMacao SARChina

A high percentage of the world's population lives in areas where air pollutant concentrations exceed the World Health Organization *** work aims to develop and test,a high-resolution multi-scale air pollution modelling system by integrating a set of adequate *** system is able to provide detailed air pollutant concentrations in urban areas and support air quality management strategies through a better identification of different atmospheric *** also allows furthering the design and assessment of air pollution control measures for a specific *** evaluate its performance and suitability,the system was applied to the Macao Special Administrative Region(SAR),China,one of the most densely populated areas on earth,during a winter period when this area is affected by high levels of Particulate Matter(PM).Although the developed system tends to underestimate the PM concentrations,it revealed a good performance in reproducing the temporal and spatial air pollution *** exceedances of the Chinese air quality standards were calculated and high population exposure to PM pollution was *** tested urban atmospheric emission reduction scenarios have shown air quality improvements,indicating that emission reduction measures at urban level should focus on the domestic ***,it is crucial to implement joint pollution prevention strategies with neighbouring regions to improve the air quality in Macao *** approach developed in this work can support policymakers in defining new strategies to reduce atmospheric pollution in urban areas.

关键词： Urban areas High-resolution emission inventory Particulate matter Population exposure

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Motivations for and barriers to innovation in non-profit organizations: The case of nursing homes in Northern Portugal

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International Journal of Innovation Studies 2024年第1期8卷 25-44页

作者： ana Rita Gonçalves lopes Aldina isabel de Azevedo Correia Alexandra Maria da Silva Braga Center for Research and Innovation in Business Sciences and Information Systems School of Management and TechnologyPolitecnico do PortoRua do Curral-Margaride4610-156 FelgueirasPortugal

To contribute to the empirical literature on innovation in non-profit organizations,this study examines innovation in Private Social Solidarity Institutions with social responses for the elderly in Northern *** enriches the literature by clarifying the concept of innovation applied to non-profit organizations,which represents a perspective different from the business ***,it is important to support the innovation decisionmaking process in similar non-profit *** this study,the population was surveyed through questionnaires based on the PUBLIN research project,which has already been applied in different countries,and the targets were employees of organizations with social responses for the *** sample is small,with 28 respondent institutions and 51 employees,but it is representative,as it includes institutions from all districts in Northern *** study employed a quantitative approach,particularly factor analysis,multiple linear regression,and correlation analyses,using scales already applied in other dimensions of the social sector,to understand the effect of each innovation dimension/determinant on creativity and innovation in nonprofit *** results show that in these organizations with social responses for the elderly,learning orientation,risk-taking,and job satisfaction have a positive impact on innovation.

关键词： Determinants of innovation non-profit organizations social responses for the elderly Northern Portugal

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Colorectal cancer screening:A review of current knowledge and progress in research

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World Journal of Gastrointestinal Oncology 2024年第4期16卷 1119-1133页

作者： Sara Ramos lopes Claudio Martins Inês Costa Santos Madalena Teixeira Élia Gamito ana Luisa Alves Department of Gastroenterology Centro Hospitalar de SetúbalSetúbal 2910-446Portugal

Colorectal cancer(CRC)is one of the most prevalent malignancies worldwide,being the third most commonly diagnosed malignancy and the second leading cause of cancer-related deaths *** the progress in screening,early diagnosis,and treatment,approximately 20%-25%of CRC patients still present with metastatic disease at the time of their initial ***,the burden of disease is still expected to increase,especially in individuals younger than 50 years old,among whom early-onset CRC incidence has been *** and early detection are pivotal to improve CRC-related *** is well established that CRC screening not only reduces incidence,but also decreases deaths from *** screening strategies have proven effective in decreasing both CRC incidence and mortality,though variations in efficacy have been reported across the ***,uncertainties persist regarding the optimal screening method,age intervals and ***,adherence to CRC screening remains globally *** recent years,emerging technologies,notably artificial intelligence,and non-invasive biomarkers,have been developed to overcome these ***,controversy exists over the actual impact of some of the new discoveries on CRC-related outcomes and how to effectively integrate them into daily *** this review,we aim to cover the current evidence surrounding CRC *** will further critically assess novel approaches under investigation,in an effort to differentiate promising inno-vations from mere novelties.

关键词： Colorectal cancer Screening Review Oncology Artificial intelligence

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Effect of Aspergillus niger prolyl endopeptidase in patients with celiac disease on a long-term gluten-free diet

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World Journal of Gastroenterology 2024年第11期30卷 1545-1555页

作者： Juan Pablo Stefanolo Verónica Segura Martina Grizzuti Abel Heredia isabel Comino ana Florencia Costa Roberto Puebla María Paz Temprano Sonia isabel Niveloni Gabriel de Diego María E Oregui Edgardo Gustavo Smecuol Mauricio C de Marzi Elena F Verdú Carolina Sousa Julio César Bai Small Bowel Section Department of MedicineGastroenterology Hospital of Buenos Aires“Dr.C.Bonorino Udaondo”Buenos Aires 1264Argentina Department of Microbiology and Parasitology Faculty of PharmacyUniversity of SevilleSeville 41080Spain Department of Medicine Dr.C.Bonorino Udaondo Gastroenterology HospitalBuenos Aires 1264Argentina Basic and Applied Research Group in Immunology and Bioactives(GIBAIB) Institute of Ecology and Sustainable Development(INEDES)National University of LujanLuján 6700Buenos AiresArgentina Department of Medicine Farncombe Family Digestive Health Research InstituteMcMaster UniversityHamilton L8S 4L8OntarioCanada Facultad de Medicina Universidad del SalvadorBuenos Aires C1051ABBArgentina

BACKGROUND The gluten-free diet(GFD)has limitations,and there is intense research in the development of adjuvant *** To examine the effects of orally administered Aspergillus niger prolyl endopeptidase protease(AN-PEP)on inadvertent gluten exposure and symptom prevention in adult celiac disease(CeD)patients following their usual *** This was an exploratory,double-blind,randomized,placebo-controlled trial that enrolled CeD patients on a long-term *** a 4-wk run-in period,patients were randomized to 4 wk of two AN-PEP capsules(GliadinX;AVI Research,LLC,United States)at each of three meals per day or *** endpoints were:(1)Average weekly stool gluten immunogenic peptides(GIP)between the run-in and end of treatments and between AN-PEP and placebo;(2)celiac symptom index(CSI);(3)CeD-specific serology;and(4)quality of *** samples were collected for GIP testing by ELISA every Tuesday and Friday during run-ins and *** Forty patients were randomized for the intention-to-treat analysis,and three were excluded from the per-protocol ***,628/640(98.1%)stool samples were *** was undetectable(0.32μg/g)to potentially cause mucosal *** GIP concentration in the AN-PEP arm was 44.7%lower than in the run-in ***-third of patients exhibiting GIP>0.08μg/g during run-in had lower or undetectable GIP after AN-PEP *** with the run-in period,the proportion of symptomatic patients(CSI>38)in the AN-PEP arm was significantly lower(P<0.03).AN-PEP did not result in changes in specific *** This exploratory study conducted in a real-life setting revealed high adherence to the *** AN-PEP treatment did not significantly reduce the overall GIP stool ***,given the observation of a significantly lower prevale

关键词： Celiac disease Aspergillus niger prolyl endoprotease Gluten immunogenic peptides Trial Symptoms Real-life trial

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Successful endoscopic resolution of a large gastric bezoar in a child

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World Journal of Gastrointestinal Endoscopy 2011年第6期3卷 129-132页

作者： Sara Azevedo Joo lopes António Marques Paula Mourato Lucília Freitas ana isabel lopes Gastrenterology Unit Pediatric DepartmentUniversity Hospital Santa Maria Gastroenterology Department University Hospital Santa Maria Gastrenterology Unit Pediatric Department University Hospital Santa MariaMedical Faculty of Lisbon

Bezoars are masses or concretions of indigestible materials found in the gastrointestinal tract,usually in the *** reports of childhood gastric bezoars(particularly phytobezoars)are *** this age group they represent a therapeutic challenge,because of the combination of hard consistency and great *** present report concerns an 8-year-old boy with a history of high fruit intake,presenting with abdominal complaints due to a large gastric *** endoscopic fragmentation coupled with suction removal was accomplished,using a standard-channel *** laborious,it has been shown to be an efficacious and safe procedure,completed in one *** techniques for pediatric bezoar management may thus be cost effective,taking into account the avoidance ofsurgery,the length of the hospital stay and the number of endoscopic sessions.

关键词： Bezoar Children Endoscopic fragmentation

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Alpha-1 antitrypsin deficiency and Pi*Z allele as important co-factors in the development of liver fibrosis

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World Journal of Hepatology 2024年第8期16卷 1099-1110页

作者： ana isabel Ferreira Catarina Guimarães Vitor Macedo Silva Sofia Xavier Joana Magalhães JoséCotter Department of Gastroenterology Hospital da Senhora da Oliveira-GuimarãesGuimarães 4835-044Portugal Life and Health Sciences Research Institute School of MedicineUniversity of MinhoBraga 4710-057Portugal Life and Health Sciences Research Institute/3B’s PT Government Associate LaboratoryBraga 4710-057Portugal Department of Pulmonology Hospital Senhora da Oliveira-GuimarãesGuimarães 4835-044Portugal

BACKGROUND Alpha-1 antitrypsin deficiency(AATD)is a codominant autosomal hereditary condition that predisposes patients to the development of lung and/or liver disease,and Pi*Z allele is the most clinically relevant *** To evaluate the impact of clinical parameters and AATD phenotypes,particularly the Pi*Z allele,in liver *** Cross-sectional cohort study including consecutive patients with AATD followed in Pulmonology or Hepatology *** Included 69 patients,49.3%had Pi*MZ phenotype and 10.1%Pi**** age≥55 years,age at diagnosis≥41 years and AAT at diagnosis<77 mg/dL predicted a nonalcoholic fatty liver disease fibrosis score(NFS)not excluding advanced fibrosis[area under the curve(AUC)=0.840,P<0.001;AUC=0.836,P<0.001;AUC=0.681,P=0.025].An age≥50 years and age at diagnosis≥41 years predicted a fibrosis-4 index of moderate to advanced fibrosis(AUC=0.831,P<0.001;AUC=0.795,P<0.001).Patients with hypertension,type 2 diabetes mellitus(DM),dyslipidaemia,metabolic syndrome,and regular alcohol consumption were more likely to have a NFS not excluding advanced fibrosis(P<0.001,P=0.002,P=0.008,P<0.001,P=0.033).Patients with at least one Pi*Z allele and type 2 DM were 8 times more likely to have liver stiffness measurement≥7.1 kPa(P=0.040).CONCLUSION Risk factors for liver disease in AATD included an age≥50 years,age at diagnosis≥41 years,metabolic risk factors,regular alcohol consumption,at least one Pi*Z allele,and AAT value at diagnosis<77 mg/*** created an algorithm for liver disease screening in AATD patients to use in primary care,selecting those to be referred to Hepatology consultation.

关键词： Alpha-1 antitrypsin deficiency Liver fibrosis Nonalcoholic fatty liver disease fibrosis score Fibrosis-4 index Liver stiffness measurement

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Impact of Laboratory Value Flowsheet in Electronic Health Record (EHR) Documentation Time

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Open Journal of Nursing 2024年第1期14卷 40-50页

作者： isabel Rosado Pogozelski Puerto Rico Department of Health COVID-19 Immunization Program San Juan PR USA Universidad ana G Mendez Health Sciences School Nursing Department Gurabo PR USA

Research on the use of EHR is contradictory since it presents contradicting results regarding the time spent documenting. There is research that supports the use of electronic records as a tool to speed documentation;and research that found that it is time consuming. The purpose of this quantitative retrospective before-after project was to measure the impact of using the laboratory value flowsheet within the EHR on documentation time. The research question was: “Does the use of a laboratory value flowsheet in the EHR impact documentation time by primary care providers (PCPs)?” The theoretical framework utilized in this project was the Donabedian Model. The population in this research was the two PCPs in a small primary care clinic in the northwest of Puerto Rico. The sample was composed of all the encounters during the months of October 2019 and December 2019. The data was obtained through data mining and analyzed using SPSS 27. The evaluative outcome of this project is that there is a decrease in documentation time after implementation of the use of the laboratory value flowsheet in the EHR. However, patients per day increase therefore having an impact on the number of patients seen per day/week/month. The implications for clinical practice include the use of templates to improve workflow and documentation as well as decreasing documentation time while also increasing the number of patients seen per day. .

关键词： Electronic Health Record EHR Laboratory Results Template Documentation Time

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Biodiversity responses to insular fragmentation in Amazonia: Two decades of research in the Balbina Hydroelectric Reservoir

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Zoological Research(Diversity and Conservation) 2024年第2期1卷 106-116页

作者： ana Filipa Palmeirim Maíra Benchimol Danielle Storck-Tonon Anderson S.Bueno isabel L.Jones Gilmar Klein Carlos A.Peres CIBIO Research Centre of Biodiversity and Genetic ResourcesInBIO Associated LabVairão CampusUniversity of PortoVairão 4485-661Portugal BIOPOLIS Program in Genomics Biodiversity and Land PlanningCIBIOVairão CampusUniversity of PortoVairão 4485-661Portugal Laboratório de Ecologia AplicadaàConservação Universidade Estadual de Santa CruzIlhéusBahia 45662-900Brazil Programa de Pós-Graduação em Ambiente e Sistemas de Produção Agrícola(PPGASP) Universidade do Estado de Mato GrossoTangaráda SerraMato Grosso 78301-532Brazil Instituto Federal de Educação Ciência e Tecnologia FarroupilhaJúlio de CastilhosRio Grande do Sul 98130-000Brazil Biological and Environmental Sciences University of StirlingStirling FK94LAUK REBIO Uatumã/ICMBio Presidente FigueiredoAmazonas 69736-000Brazil Centre for Ecology Evolution and ConservationSchool of Environmental SciencesUniversity of East AngliaNorwich NR47TJUK JuruáInstitute ManausAmazonas 69057-060Brazil

As hydropower development expands across lowland tropical forests,flooding and concomitant insular fragmentation have become important threats to *** created insular landscapes serve as natural laboratories to investigate biodiversity responses to *** of these most iconic landscapes is the Balbina Hydroelectric Reservoir in Brazilian Amazonia,occupying>400000 ha and comprising>3500 forest ***,we synthesise the current knowledge on responses of a wide range of biological groups to insular fragmentation at *** has largely concentrated on a set of 22 islands and three mainland *** total,39 studies were conducted over nearly two decades,covering 17 vertebrate,invertebrate,and plant *** species responses varied according to taxonomic group,island area was consistently included and played a pivotal role in 66.7%of all studies examining patterns of species *** persistence was further affected by species traits,mostly related to species capacity to use/traverse the aquatic matrix or tolerate habitat degradation,as noted for species of vertebrates and orchid *** research is needed to improve our understanding of such effects on wider ecosystem *** Impact Assessments must account for changes in both the remaining habitat amount and configuration,and subsequent long-term species losses.

关键词： Habitat loss Hydropower dams Landbridge Local extinctions Species-area relationships Species diversity Tropical forests

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