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Web-based system for training and dissemination of a magnification chromoendoscopy classification

World Journal of Gastroenterology 2008年第46期14卷 7086-7092页

作者： Mário Jorge Dinis-Ribeiro Ricardo Cruz Correia Cristina Santos Sónia Fernandes ernesto palhares Rui Almeida Silva Pedro Amaro Miguel Areia Altamiro Costa-Pereira Luis Moreira-Dias Gastroenterology Department Portuguese Oncology Institute Center for Research in Information Systems and Health Technologies (CINTESIS)/Department of Biostatistics and Medical Informatics Porto Faculty of Medicine Gastroenterology Department Coimbra University Hospital

AIM： To evaluate the use of web-based technologies to assess the learning curve and reassess reproducibility of a simplified version of a classification for gastric magnification chromoendoscopy （MC）. METHODS： As part of a multicenter trial, a hybrid approach was taken using a CD-ROM, with 20 films of MC lasting 5 s each and an ＂autorun＂ file triggering a local HTML frameset referenced to a remote questionnaire through an Internet connection. Three endoscopists were asked to prospectively and independently classify 10 of these films randomly selected with at least 3 d apart. The answers were centrally stored and returned to participants together with adequate feedback with the right answer. RESULTS： For classification in 3 groups, both intra- [Cohen＇s kappa （K） = 0.79-1.00 to 0.89-1.00] and inter-observer agreement increased from 1st （moderate） to 6th observation （k = 0.94）. Also, agreement with reference increased in the last observations （0.90, 1.00 and 1.00, for observers A, B and C, respectively）. Validity of 100% was obtained by all observers at their 4th observation. When a 4th （sub）group was considered, inter-observer agreement was almost perfect （K = 0.92） at 6th observation. The relation with reference clearly improved into K （0.93-1.00） and sensitivity （75%-100%） at their 6th observations. CONCLUSION： This MC classification seems to be easily explainable and learnable as shown by excellent intra- and inter-observer agreement, and improved agreement with reference. A web system such as the one used in this study may be useful for endoscopic or other image based diagnostic procedures with respect to definition, education and dissemination.

关键词： Magnification Chromoendoscopy Reproducibility Learning curve

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Major and minor risk factors for postoperative abdominoplasty complications:A case series

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Chinese Journal of Plastic and Reconstructive Surgery 2022年第2期4卷 56-62页

作者： Oona Tomie Daronch Renata Fernanda Ramos Marcante Aristides Augusto palhares Neto Department of Plastic Surgery State University of Sao PauloBotucatuSao Paulo 18618-687Brazil

Background: Although abdominoplasty is a safe and popular surgery, it is associated with a higher complication rate than other body contouring procedures. Therefore, identifying predictive factors of major and minor complications in patients who have undergone abdominoplasty is necessary to achieve better treatment outcomes after major weight ***: This retrospective study analyzed the medical records of patients who underwent abdominoplasty between January 2016 and December 2019. The inclusion criteria were patients aged >18 years who underwent abdominoplasty as the only surgical procedure and had adequate follow-up. Other patients were excluded from the study. Statistical evaluation was performed using SPSS 20.0;statistical significance was set at a P-value of<***: The study included a total of 152 patients, of whom 146(96.1%) were women and 6(3.9%) were *** mean patient age was 41.1 ± 9.8 years. Comorbidities were reported in 67 patients(44.07%). A direct proportional relationship was observed between the weight of the resected tissue and occurrence of general complications(P=0.01), and the presence of comorbidities increased the occurrence of minor(P=0.04) and major complications(P=0.01).Conclusion: Abdominoplasty is an aesthetic surgical plastic procedure, and its application has increased over the years. Despite its popularity, patient safety requires further attention due to the high risk of complications. It is essential to study all risk factors.

关键词： Abdominoplasty Major complications Minor complications

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Recommendations for procedures related to the evidence chain of custody in forensic anthropology in Brazil

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Forensic Sciences Research 2022年第4期7卷 609-622页

作者： Nicole Prata Damascena Melina Calmon Silva Alexandre Raphael Deitos Rosane Pérez Baldasso Renata Cristina Grangeiro Ferreira Cristian Kotinda Júnior Carlos Eduardo palhares Machado Departamento de Polícia Técnica da Bahia BahiaBrazil Grupo de Pesquisa em Antropologia Forense e Identificação de Pessoas BrasiliaBrazil Instituto Nacional de Criminalística da Polícia Federal BrasiliaBrazil Departamento Médico-Legal do Instituto-Geral de Perícias do Rio Grande do Sul(IGP/RS) Porto AlegreBrazil Instituto de Criminalística da Polícia Civil do Distrito Federal BrasiliaBrazil.

Forensic anthropologists perform specialised analysis,mainly involving skeletonised human remains,cadavers in advanced stages of decomposition,disassociated elements from the human body,and human remains in extreme *** main objectives of the forensic anthropology expertise are human identification and assisting in determining the cause and manner of *** the time since death is also a priority for some cases,especially ones involving missing *** science works on individual cases,violent deaths,missing persons,mass disasters,suspected violations of human rights,and crimes against *** anthropological evidence is,in general,very ***,it is important to detail aspects relevant to the maintenance of the chain of custody at all phases of the investigation,as well as standardise the actions of the individuals *** aims to preserve the evidence integrity and sameness(Sameness:free translation of the Portuguese word“mesmidade”,derived from a Spanish word that does not possess a translation to *** of evidence is understood as the guarantee that the evidence under valuation(or under analysis of its probative value)is exactly and integrally the same one which was collected,corresponding,therefore,to“the same”(and not“part of”,“derived from”),safeguarding its *** Law No.13.964 of 14 December 2019 establishes and lists 10 phases related to the evidence chain of custody that must be *** newly introduced requirements resulted in the need for adaptation of the forensic,investigative,and legal actors involved in an investigation,and in the detailed description of the procedures for the different areas related to criminalistics,including forensic *** information provided in this article should be interpreted as recommendations,even though their non-compliance may weaken the investigative and forensic analysis processes in whole or in part.

关键词： Forensic sciences forensic anthropology chain of custody evidence law Brazil

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Generalized Algorithms of Discrete Optimization and Their Power Engineering Applications

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Engineering（科研） 2015年第8期7卷 530-543页

作者： Roberto Berredo Petr Ekel Helder Ferreira Reinaldo palhares Douglas Penaforte Advanced System Optimization Technologies—ASOTECH Belo Horizonte Brazil Graduate Program in Electrical Engineering Pontifical Catholic University of Minas Gerais Belo Horizonte Brazil CEMIG Distribution Belo Horizonte Brazil Graduate Program in Electrical Engineering Federal University of Minas Gerais Belo Horizonte Brazil CEMIG Generation and Transmission Belo Horizonte Brazil

Generalized algorithms for solving problems of discrete, integer, and Boolean programming are discussed. These algorithms are associated with the method of normalized functions and are based on a combination of formal and heuristic procedures. This allows one to obtain quasi-optimal solutions after a small number of steps, overcoming the NP-completeness of discrete optimization problems. Questions of constructing so-called “duplicate” algorithms are considered to improve the quality of discrete problem solutions. An approach to solving discrete problems with fuzzy coefficients in objective functions and constraints on the basis of modifying the generalized algorithms is considered. Questions of applying the generalized algorithms to solve multicriteria discrete problems are also discussed. The results of the paper are of a universal character and can be applied to the design, planning, operation, and control of systems and processes of different purposes. The results of the paper are already being used to solve power engineering problems.

关键词： Discrete Optimization Method of Normalized Functions Duplicate Algorithms Fuzzy Coefficients Interrelated Models Multiobjective Decision Making

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The structure of microbial populations in Nelore GIT reveals inter-dependency of methanogens in feces and rumen

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Journal of Animal Science and Biotechnology 2020年第2期11卷 577-586页

作者： Bruno G.N.Andrade Flavia A.Bressani Rafael R.C.Cuadrat Polyana C.Tizioto Priscila S.N.de Oliveira Gerson B.Mourão Luiz L.Coutinho James M.Reecy James E.Koltes Paul Walsh Alexandre Berndt Julio C.P.palhares Luciana C.A.Regitano Embrapa Southeast Livestock São CarlosBrazil Department of Molecular Epidemiology German Institute of Human Nutrition Potsdam-Rehbrücke(DIfE)NuthetalGermany NGS Genomic Solutions PiracicabaBrazil Department of Animal Science University of São Paulo/ESALQPiracicabaBrazil Department of Animal Science Iowa State UniversityAmesIAUSA NSilico Life Science DublinIreland

Background:The success of different species of ruminants in the colonization of a diverse range of environments is due to their ability to digest and absorb nutrients from cellulose,a complex polysaccharide found in leaves and *** rely on a complex and diverse microbial community,or microbiota,in a unique compartment known as the rumen to break down this *** in microbial populations of the rumen can affect the host’s development,health,and ***,accessing the rumen is stressful for the ***,the development and use of alternative sampling methods are needed if this technique is to be routinely used in cattle *** this end,we tested if the fecal microbiome could be used as a proxy for the rumen microbiome due to its *** investigated the taxonomic composition,diversity and inter-relations of two different GIT compartments,rumen and feces,of 26 Nelore(Bos indicus)bulls,using Next Generation Sequencing(NGS)metabarcoding of bacteria,archaea and ciliate ***:We identified 4265 Amplicon Sequence Variants(ASVs)from bacteria,571 from archaea,and 107 from protozoa,of which 143(96 bacteria and 47 archaea)were found common between both *** most prominent bacterial phyla identified were Bacteroidetes(41.48%)and Firmicutes(56.86%)in the ruminal and fecal microbiomes,respectively,with Prevotella and Ruminococcaceae UCG-005 the most relatively abundant genera identified in each *** most abundant archaeal phylum identified was Euryarchaeota,of which Methanobrevibacter gottschalkii,a methanogen,was the prevalent archaeal species identified in both *** were found exclusively identified in the rumen with Bozasella/Triplumaria being the most frequent genus ***-occurrence among ruminal and fecal ASVs reinforces the relationship of microorganisms within a biological ***,the co-occurrence of shared archaeal ASVs between microbiomes indicat

关键词： Archaea Bacteria Bos indicus Metabarcoding Methanobrevibacter Microbiome Microbiota

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