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Assessing the prognosis of cirrhotic patients in the intensive care unit:What we know and what we need to know better

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World Journal of Hepatology 2021年第10期13卷 1341-1350页

作者： fernando da silveira Pedro H R Soares Luana Q Marchesan Roberto S A da Fonseca Wagner L Nedel Programa de Pos-Graduacao em Pneumologia Universidade Federal do Rio Grande do SulPorto Alegre 91430835Brazil Intensive Care Unit Grupo Hospitalar ConceiçãoPorto Alegre 91430835Brazil Programa de Pos-Graduacao em Neurociencias Universidade Federal do Rio Grande do SulPorto Alegre 91430835Brazil Programa de Pos-Graduacao em Ciencias da Saude Universidade Federal de Santa MariaSanta Maria 97105900Brazil Programa de Pos-Graduacao em Bioquimica Universidade Federal do Rio Grande do SulPorto Alegre 91430835Brazil

Critically ill cirrhotic patients have high in-hospital mortality and utilize significant health care resources as a consequence of the need for multiorgan *** this fact,their mortality has decreased in recent decades due to improved care of critically ill ***-on-chronic liver failure(ACLF),sepsis and elevated hepatic scores are associated with increased mortality in this population,especially among those not eligible for liver *** score is superior to another in the prognostic assessment of these patients,and both liver-specific and intensive care unit-specific scores have satisfactory predictive *** sequential assessment of the scores,especially the Sequential Organ Failure Assessment(SOFA)and Chronic Liver Failure Consortium(CLIF)-SOFA scores,may be useful as an auxiliary tool in the decision-making process regarding the benefits of maintaining supportive therapies in this population.A CLIF-ACLF>70 at admission or at day 3 was associated with a poor prognosis,as well as SOFA score>19 at baseline or increasing SOFA score>*** studies addressing the prognostic assessment of these patients are necessary.

关键词： Cirrhosis Extrahepatic organ failure Organ replacement therapy Mortality Prognostic scores Chronic Liver Failure Consortium-Sequential Organ Failure Assessment Sequential Organ Failure Assessment Model for End-stage Liver Disease

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Starch Digestibility and Physicochemical and Cooking Properties of Irradiated Rice Grains

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Rice science 2017年第1期24卷 48-55页

作者： Luís fernando POLESI Manoel Divino da MATTA JUNIOR Silene Bruder silveira SARMENTO Solange Guidolin CANNIATTI-BRAZACA Department of Food Engineering Federal University of RondoniaAriquemes 76872-848RondoniaBrazil Department of Agroindustry Food and NutritionCollege of Agriculture Luiz de QueirozUniversity of Sao PauloPiracicaba 13418-900Sao PauloBrazil

This study evaluated the starch digestibility, physicochemical properties and cooking characteristics of polished rice（varieties IRGA417 and IAC202） subjected to the doses of 0（as the control）, 1, 2 and 5 k Gy of gamma radiation. The highest dose decreased the apparent amylose content, peak viscosity, water absorption and volume expansion. Irradiation increased the solid loss by 119% and 187% for IAC202 and IRGA417, respectively, when comparing the higher dose with the control. For IAC202, irradiation decreased the rapidly digestible starch and increased the slowly digestible starch（SDS） and resistant starch（RS）. IRGA417 showed an elevation of SDS and a reduction in RS. And 1 k Gy dose of gamma radiation generated the highest level of RS for both the two varieties and presented the smallest changes in other physicochemical and cooking properties.

关键词： starch cooking viscosity gamma irradiation grains Starch granules chains physiological

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A perivascular epithelioid cell tumor of the stomach:An unsuspected diagnosis

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World Journal of Gastroenterology 2010年第4期16卷 522-525页

作者： Cristina Aparecida Troques da silveira Mitteldorf dario Birolini Luis Heraldo da Camara-Lopes Laboratory of Surgical and Molecular Pathology Hospital Sírio Libanêsrua Dona Adma Jafet 91So PauloSP 01308-050Brazil Department of Surgery of the University of So Paulo Medical School av. Dr. Enéas de Carvalho Aguiar 25505403-000 So Paulo SP Brazil Hospital Sírio Libanês rua Dona Adma Jafet 91 So Paulo SP 01308-050 Brazil Genoa Biotechnology S.A. Alameda Ministro Rocha Azevedo 346 1st floor 01410-000So Paulo SP 01308-050 Brazil

Perivascular epithelioid cell tumor(PEComa) is a rare mesenchymal neoplasia and currently well recognized as a distinct entity with characteristic morphological,immunohistochemical and molecular *** report a case of PEComa arising in the antrum of a 71-year-old female with *** tumor,located predominantly in the submucosa as a well delimited nodule,measured 3.0 cm in diameter and was completely resected,with no evidence of the disease ***,it was composed predominantly of eosinophilic epithelioid cells arranged in small nests commonly related to variably sized vessels,with abundant extracellular material,moderate nuclear variation and discrete mitotic *** necrosis,angiolymphatic invasion or perineural infil-tration was *** cells were uniformly positive for vimentin,smooth muscle actin,desmin and melan *** unusual,PEComa should be considered in the differential diagnosis of gastric neoplasia with characteristic epithelioid and oncocytic features and prominent vasculature.

关键词： Perivascular epithelioid cell tumor Stomach Gastrointestinal hemorrhage

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Starch Digestibility and Functional Properties of Rice Starch Subjected to Gamma Radiation

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Rice science 2018年第1期25卷 42-51页

作者： Luís fernando POLESI Silene Bruder silveira SARMENTO Solange Guidolin CANNIATTI-BRAZACA Center for Nuclear Energy in Agriculture University of Sao Paulo Department of Food Engineering Federal University of Rondonia Department of Agri-Food Industry Food and NutritionLuiz de Queiroz College of AgricultureUniversity of Sao Paulo

This study investigated the effect of gamma radiation on the digestibility and functional properties of rice *** cultivars IRGA417 and IAC202 were used for isolation of starch by the alkaline *** samples were irradiated with 1,2 and 5 k Gy doses of ^(60)Co at a rate of 0.4 k Gy/h.A control sample,which was not irradiated,was used for *** and control starches were characterized by in vitro starch digestibility,total dietary fiber,color,water absorption index,water solubility index,syneresis,swelling factor,amylose leaching,pasting properties and gel *** changed starch digestibility differently in either *** radiation doses promoted increase in the color parameter b*(yellow),elevation in the capacity to absorb water,and solubility in water as well as the amylose leached from granules for both *** properties showed a decrease that was proportional to the dose applied,caused by the depolymerization of starch *** firmness of the starch from IAC202 was inversely proportional to the radiation dose applied,whereas for IRGA417,there was a reduction at 5 k Gy *** starches can be modified by irradiation to exhibit different functional characteristics and they can be used by the food industries in products such as soups,desserts,flans,puddings and others.

关键词： Oryza sativa irradiation viscosity swelling amylose starch digestibility

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Physiology and health assessment,risk balance,and model for endstage liver disease scores:Postoperative outcome of liver transplantation

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World Journal of Transplantation 2025年第1期15卷 86-94页

作者： Raquel Hohenreuther Andresa Thomésilveira Edison Moraes Rodrigues Filho Anderson Garcez Bruna Goularth Lacerda Sabrina Alves Fernandes Claudio Augusto Marroni Postgraduate Program in Hepatology Universidade Federal de Ciências da Saúde de Porto AlegrePorto Alegre 90050-170Brazil Department of Intensive Medicine Hospital de Clínicas de Porto AlegrePorto Alegre 90035-903Brazil Department of Public Health University of Vale do Rio dos SinosSao Leopoldo 93022-750Brazil

BACKGROUND Liver transplantation aims to increase the survival of patients with end-stage liver diseases and improve their quality of *** number of organs available for transplantation is lower than the *** provide fair organ distribution,predictive mortality scores have been *** To compare the Acute Physiology and Chronic Health Evaluation IV(APACHE IV),balance of risk(BAR),and model for end-stage liver disease(MELD)scores as predictors of *** Retrospective cohort study,which included 283 adult patients in the postoperative period of deceased donor liver transplantation from 2014 to *** The transplant recipients were mainly male,with a mean age of 58.1 *** were mostly male,with a mean age of 41.6 *** median cold ischemia time was 3.1 hours,and the median intensive care unit stay was 5 *** APACHE IV,a mean of 59.6 was found,BAR 10.7,and MELD *** 28-day mortality rate was 9.5%,and at 90 days,it was 3.5%.The 28-day mortality prediction for APACHE IV was very good[area under the curve(AUC):0.85,Pdays,the data for APACHE IV were very good(AUC:0.80,P<0.001,95%CI:0.71–0.90)and moderate for BAR and MELD,respectively,(AUC:0.66,P<0.004,95%CI:0.55–0.77),(AUC:0.62,P<0.026,95%CI:0.51–0.72).All showed good discrimination between deaths and *** for the best value for liver transplantation,it was significant only for APACHE IV(P<0.001).CONCLUSION The APACHE IV assessment score was more accurate than BAR and MELD in predicting mortality in deceased donor liver transplant recipients.

关键词： Liver transplantation Acute physiology and chronic health evaluation IV Balance of risk Model for end-stage liver disease Mortality Intensive care unit

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Transcriptome analyses of the Dof-like gene family in grapevine reveal its involvement in berry, flower and seed development

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Horticulture Research 2016年第1期3卷 124-133页

作者： danielle Costenaro da Silva Vítor da silveira Falavigna Marianna Fasoli Vanessa Buffon Diogo Denardi Porto Georgios Joannis Pappas Jr Mario Pezzotti Giancarlo Pasquali Luís fernando Revers Graduate Program in Cell and Molecular Biology Center for BiotechnologyUniversidade Federal do Rio Grande do SulPorto Alegre91501-970RSBrazil Dipartimento di Biotecnologie Universitàdegli Studi di VeronaVerona37134Italy Embrapa Uva e Vinho Bento Gonçalves95701-008RSBrazil Embrapa Semiárido Petrolina56302-970PEBrazil Department of Cell Biology Universidade de BrasíliaBrasília70910-900DFBrazil Syngenta Seeds Ltda UberlândiaMG38407-049Brazil Modesto CA 95354USA

The Dof(DNA-binding with one finger)protein family spans a group of plant transcription factors involved in the regulation of several functions,such as plant responses to stress,hormones and light,phytochrome signaling and seed *** we describe the Dof-like gene family in grapevine(Vitis vinifera L.),which consists of 25 genes coding for *** extensive in silico characterization of the VviDofL gene family was ***,the expression of the entire gene family was assessed in 54 grapevine tissues and organs using an integrated approach with microarray(cv Corvina)and real-time PCR(cv Pinot Noir)*** phylogenetic analysis comparing grapevine sequences with those of Arabidopsis,tomato,poplar and already described Dof genes in other species allowed us to identify several duplicated *** diversification of grapevine DofL genes during evolution likely resulted in a broader range of biological ***,distinct expression patterns were identified between samples analyzed,corroborating such *** expression results indicate that several VviDofL genes perform their functional roles mainly during flower,berry and seed development,highlighting their importance for grapevine growth and *** identification of similar expression profiles between both approaches strongly suggests that these genes have important regulatory roles that are evolutionally conserved between grapevine cvs Corvina and Pinot Noir.

关键词： involvement organs assessed

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Turbulent Inlet Conditions Modeling using Large-eddy Simulations

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Computer Modeling in Engineering & Sciences 2015年第2期104卷 105-132页

作者： M.M.R.damasceno J.M.Vedovoto A.da silveira-Neto UFU UberlandiaMGBrazil

Turbulence is a phenomenon which presents peculiarities when it is experimented or *** occurs due to its complexity and high sensibility to the inlet conditions of the turbulent flow fields,as well as the presence of a large range of time and length scales.A simplification for this situation is obtained with the use of approximations and turbulence *** the present work,the Largeeddy Simulations methodology was applied,aiming the modeling of the previously mentioned complexity,which consists in using a filter to resolve the large scales while the remaining scales were determined by classical and dynamic Smagorinsky *** different approximations for the inlet conditions were applied:white noise,Random Flow Generation(RFG)and Synthetic Eddy Method(SEM).It was possible to realize that the use of the dynamic Smagorinky model and the RFG or SEM methodologies resulted in a better characterization of the studied flow.

关键词： turbulent inlet conditions turbulence models large-eddy simulations

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Antimicrobial activity of alexidine alone and associated with N-acetylcysteine against Enterococcus faecalis biofilm

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International Journal of Oral Science 2013年第3期5卷 146-149页

作者： Luiz fernando Machado silveira Pilar Baca María Teresa Arias-Moliz Alberto Rodríguez-Archilla Carmen María Ferrer-Luque Department of Semiology and Clinics College of Dentistry Federal University of Pelotas Department of Stomatology School of Dentistry University of Granada Department of Microbiology School of Dentistry University of Granada

The purpose of this study was to assess the efficacy of alexidine（ALX）,alone and combined with N-acetylcysteine（NAC）,in eradicating two Enterococcus faecalis strain *** biofilms of *** ATCC 29212 and the clinical isolate *** D1 were grown in the MBEC-high-throughput device for 24 h and were exposed to five twofold dilutions of ALX（2%–0.007 8%）alone and combined with100 mg？mL21NAC,for 1 and 5 *** was defined as 100%kill of biofilm *** Student’s t-test was used to compare the efficacy of the associations of the two *** 1-min contact time,ALX eradicated the biofilms at all concentrations except for 0.007 8%and 0.015 6%–0.007 8%with *** ATCC 29212 and *** D1,*** results for eradication and concentration were obtained when it was combined with 100 mg？*** 5 min of contact time,ALX alone and combined with NAC eradicated all enterococci *** showed antimicrobial properties against the two *** strain biofilms tested at very low concentrations,and its combined use with NAC was not seen to enhance its activity.

关键词： alexidine antimicrobial activity biofilm Enterococcus faecalis N-acetylcysteine

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Monitoring Heat Waves and Their Impacts on Summer Crop Development in Southern Brazil

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Agricultural Sciences 2014年第4期5卷 353-364页

作者： Anibal Gusso Jorge Ricardo Ducati Mauricio Roberto Veronez Victor Sommer Luiz Gonzaga da silveira Junior Environmental Engineering Vale do Rio dos Sinos University(UNISINOS)Sao LeopoldoBrazil Center for Remote Sensing and Meteorological Research Federal University of Rio Grande do Sul(UFRGS)Porto AlegreBrazil VizLab-Advanced Visualization Laboratory Vale do Rio dos Sinos University(UNISINOS)Sao LeopoldoBrazil Astronomy Department Federal University of Rio Grande do Sul(UFRGS)Porto AlegreBrazil Graduate Program in Geology Vale do Rio dos Sinos University(UNISINOS)Sao LeopoldoBrazil Crop Breeding Foundation(Fundacao Pró-Sementes) Passo FundoBrazil Graduate Program in Applied Computing Vale do Rio dos Sinos University(UNISINOS)São LeopoldoBrazil

Periods in the soybean summer cycle that are sensitive to the occurrence of high temperatures were studied. An analysis was performed on the variability of soybean yields associated with crop canopy temperatures during key development periods. A land surface temperature (LST) data series from MODIS (Moderate Resolution Imaging Spectroradiometer) on the Aqua satellite was processed between 2003 and 2012 that covered the entire state of Rio Grande do Sul, in Brazil. Enhanced vegetation index (EVI) data from MODIS on the Terra satellite were used to monitor the LST during different phenological stages. Spatially interpolated maps of soybean yield distributions were generated using data obtained from Instituto Brasileiro de Geografia e Estatística (IBGE) at state and municipality levels. The results indicate that canopy-LST occurrence in mid-February, during the grain filling, is most correlated to yield reduction (R2 = 0.82 and RMSD = 14.4%). At the state level, the average yield is 2003 kg·ha-1 with a standard deviation of 308 kg·ha-1. The overall average of the canopy-LST is 305.0 K (31.8°C) with a standard deviation of 1.9 K. The slope of the downward linear relationship between canopy-LST and yield was -28.7%. These results indicate that monitoring heat wave events can provide important information for characterising agriculture vulnerability.

关键词： Land Surface Temperature Soybean Remote Sensing Canopy Vegetation Index MODIS data

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Cirrhosis in children and adolescents: An overview

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World Journal of Hepatology 2015年第3期7卷 392-405页

作者： Raquel Borges Pinto Ana Claudia Reis Schneider Themis Reverbel da silveira Pediatric Gastroenterology Unit Hospital da Crianca Conceicao Porto Alegre 91340 480 Rio Grande do Sul Brazil Post-Graduate Program in Gastroenterology and Hepatology Universidade Federal do Rio Grande do Sul Porto Alegre RS 90040-060 Brazil.

Several conditions, especially chronic liver diseases, can lead to cirrhosis in children and adolescents. Most cases in clinical practice are caused by similar etiologies. In infants, cirrhosis is most often caused by biliary atresia and genetic-metabolic diseases, while in older children, it tends to result from autoimmune hepatitis,Wilson's disease, alpha-1-antitrypsin deficiency and primary sclerosing cholangitis. The symptoms of cirrhosis in children and adolescents are similar to those of adults. However, in pediatric patients, the first sign of cirrhosis is often poor weight gain. The complications of pediatric cirrhosis are similar to those observed in adult patients, and include gastrointestinal bleeding caused by gastroesophageal varices, ascites and spontaneous bacterial peritonitis. In pediatric patients, special attention should be paid to the nutritional alterations caused by cirrhosis, since children and adolescents have higher nutritional requirements for growth and development. Children and adolescents with chronic cholestasis are at risk for several nutritional deficiencies. Malnutrition can have severe consequences for both pre- and post-liver transplant patients. The treatment of cirrhosis-induced portal hypertension in children and adolescents is mostly based on methods developed for adults. The present article will review the diagnostic and differential diagnostic aspects of end-stage liver disease in children, as well as the major treatment options for this condition.

关键词： Cirrhosis Liver diseases Nutrition Pediatric patients Portal hypertension

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