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Physical Activity Alters Superoxide Dismutase Activity and Intercellular Adhesion Molecule 1 Levels in Diabetes Mellitus Type 2 Patients

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Journal of Biosciences and Medicines 2023年第7期11卷 140-150页

作者： Anderson Martins Tavares Leonardo Matta Jaslana Hainfellner da Silva Christiane de Oliveira Bensusan Carla do Nascimento Giselle Fernandes Taboada rodrigo soares fortunato Luciene de Carvalho Cardoso-Weide Postgraduate Program in Medical Sciences School of Medicine UFF-Universidade Federal Fluminense Rio de Janeiro Brazil Carlos Chagas Filho Institute of Biophysics UFRJ-Federal University of Rio de Janeiro Rio de Janeiro Brazil School of Biology University Salgado de Oliveira Rio de Janeiro Brazil Endocrinology Unit Department of Internal Medicine School of Medicine UFF-Universidade Federal Fluminense Rio de Janeiro Brazil Medical School Department of Pathology UFF-Universidade Federal Fluminense Rio de Janeiro Brazil Luciene de Carvalho Cardoso Weide Medical School Department of Pathology UFF-Universidade Federal Fluminense Rio de Janeiro Brazil

Background: Oxidative stress and inflammation are related to the pathophysiology of diabetes mellitus (DM), being involved in the development of micro-and macrovascular complications. Physical activity is beneficial for DM patients, but little is known about the relationship between redox and inflammation biomarkers and the level of physical activity in these patients. Based on this, this research aims to evaluate the effects of physical activity level on redox stress parameters and inflammatory markers in T2DM patients. Methods: Eighty-four patients with T2DM were divided according to their physical activity level: group A (n = 48), sedentary;group B (n = 11) active (3 times a week, 150 min) and group C (n = 25), highly active (5 times a week, 150 - 300 mins, at least). Anthropometric and biochemical parameters, superoxide dismutase (SOD) and glutathione peroxidase (GPx) activities, as well as GSH, sRAGE and ICAM-1 levels were assessed. Results: Glycated haemoglobin, total cholesterol, and LDL-cholesterol levels were lower in the highly active group in comparison to other groups. Plasma SOD activity was higher in group C compared to Group A, while ICAM-1 levels were significantly higher in group B when compared to other groups. Conclusion: Our results suggest that the practice of physical activity is beneficial to T2DM patients, especially at high volume and frequency.

关键词： Cardiovascular Risk Exercise Health Inflammation Oxidative Stress

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Liver transplantation as an alternative for the treatment of perihilar cholangiocarcinoma: A critical review

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Hepatobiliary & Pancreatic Diseases International 2024年第2期23卷 139-145页

作者： Wellington Andraus Francisco Tustumi Alexandre Chagas Santana Rafael soares Nunes Pinheiro Daniel Reis Waisberg Liliana Ducatti Lopes Rubens Macedo Arantes Vinicius Rocha Santos rodrigo Bronze de Martino Luiz Augusto Carneiro D’Albuquerque Department of Gastroenterology Transplantation UnitUniversidade de São PauloSão PauloBrazil

Background:Perihilar cholangiocarcinoma(phCCC)is a dismal *** is no consensus regard-ing the best treatment for patients with unresectable *** present review aimed to gather the current pieces of evidence for liver transplantation and liver resection as a treatment for phCCC and to build better guidance for clinical *** sources:The search was conducted in PubMed,Embase,Cochrane,and *** related references were searched *** criteria were:reports in English or Portuguese literature that a)patients with confirmed diagnosis of phCCC;b)patients treated with a curative intent;c)patients with the outcomes of liver resection and liver *** reports,reviews,letters,editorials,conference abstracts and papers with full-text unavailability were excluded from the ***:Most of the current literature is based on observational retrospective studies with low grades of *** resection has better long-term outcomes than systemic chemotherapy or palliation ther-apy and liver transplantation is a good alternative for selected patients with unresectable *** candidates for resection or transplantation should be medically fit and free of intrahepatic or extrahep-atic *** a general rule,patients presenting with a tumor having a longitudinal size>3 cm or extending below the cystic duct,lymph node disease,confirmed extrahepatic dissemination;intraoper-atively diagnosed metastatic disease;a history of other malignancies within the last five years,and did not complete chemoradiation regimen and were medically unfit should not be considered for *** of these criteria should be individually *** transplantation or resection should only be considered in highly experienced hepatobiliary centers,and any decision-making must be based on a multidisciplinary ***:phCCC is a complex condition with high *** therapies,including hepatec-tomy and liv

关键词： Liver transplantation Cholangiocarcinoma Liver neoplasms

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Green economy and waste management: An inevitable plan for materials science

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Progress in Natural Science:Materials International 2022年第1期32卷 1-9页

作者： Suman Nandy Elvira fortunato rodrigo Martins i3N/CENIMAT Department of Materials ScienceFaculty of Science and Technology Universidade NOVA de Lisboa and CEMOP/UNINOVA Campus de Caparica

Covid is giving us many lessons among which one must be to realize that this is the time to act for sustainable future. The smart world around us has made it inevitable to have an alarming situation regarding the uncontrolled growth of waste products such as plastic and electronic wastes. Both are immense threats to the health of human,wildlife and environment, that eventually affect the societal and economic structures as evident from recent Covid-crisis. The proper management of these wastes and innovating ideas for new sustainable technologies are the need of the hour. Circular economy act with green technology(green economy) is the way to tackle this challenge. Current perspective presents the overview of the scenario regarding these burgeoning issues and demonstrates some measures that are taken or being considered to depend on to come out of them.

关键词： Plastic waste management Medical waste management Electronic waste management Circular economy Green technology Sustainable world

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Sarcopenia and Anemia Are Predictors of Poor Prognostic in Cervical Cancer Patients

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Open Journal of Obstetrics and Gynecology 2024年第5期14卷 693-704页

作者： Leandro Santos de Araujo Resende Francine Vilela de Amorim Miguel soares Conceição rodrigo Menezes Jales Patrick Nunes Pereira Luis Otávio Sarian Glauco Baiocchi Sophie Derchain Agnaldo Lopes da Silva Filho Department of Gynecology and Obstetrics Botucatu Medical School S&#227o Paulo State University UNESP S&#227o Paulo Brazil Department of Health Sciences University of Sao Francisco S&#227o Paulo Brazil Department of Obstetrics and Gynecology School of Medical Science State University of Campinas (UNICAMP) Campinas Brazil Department of Gynecologic Oncology AC Camargo Cancer Center Sao Paulo Brazil Department of Gynecology and Obstetrics School of Medicine of the Federal University of Minas Gerais Belo Horizonte Brazil

Objective: Evaluate pretreatment sarcopenia and anemia as prognostic factors in women undergoing treatment for cervical cancer (CC) with concurrent chemoradiotherapy (CCRT). Methods: 151 women with CC were analysed in this cohort study. Pretreatment computed tomography (CT) images were analysed to assess skeletal muscle index (SMI). Hazard ratios (HR) and multivariate Cox proportional HR were used to analyse association between low SMI, age, body mass index (BMI), haemoglobin levels, histological type, and International Federation of Gynaecology and Obstetrics (FIGO) stage with PFS and OS. Results: A total of 151 patients were included, 53 (35.1%) presented pretreatment sarcopenia;51 (34%) stage I/II and 100 (66%) stage III/IV. Among those patients in advanced stage (III/IV) 37 (70%) (p = 0.28) were sarcopenic at the beginning of treatment. Sarcopenia was associated with worse progression-free survival (PFS) and overall survival (OS) in our cohort [HR 0.97 (p = 0.01)] [HR 0.73 (p = 0.001)], as well as anemia [HR 0.73 (p = 0.001)] [HR 0.78 (p = 0.001)]. Linear regression models indicated that despite showing no association with age, neutrophil or platelet counts, sarcopenia was associated with pretreatment anemia levels (p = 0.01). After a multivariate analysis, only haemoglobin (anemia) and complete CCRT remained associated with PFS and OS. Sarcopenia and anemia were associated with worse PFS and OS in FIGO stage I/II. Conclusion: Pretreatment sarcopenia was significantly associated with low haemoglobin levels. Anemia and incomplete CCRT were independently associated with poor prognosis in women with CC. Pretreatment sarcopenia, as low SMI, was a predictor of poor prognostic in early stages of CC.

关键词： Cervical Cancer Sarcopenia Anemia Chemoradiotherapy

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Energy-band engineering by 2D MXene doping for high-performance homojunction transistors and logic circuits

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Journal of Materials Science & Technology 2023年第28期159卷 41-51页

作者： Leini Wang Gang He Wenhao Wang Xiaofen Xu Shanshan Jiang Elvira fortunato rodrigo Martins School of Materials Science and Engineering Anhui UniversityHefei 230601China School of Integration Circuits Anhui UniversityHefei 230601China Department of Materials Science/CENIMAT-I3N Faculty of Sciences and TechnologyNew University of Lisbon and CEMOP-UNINOVA Campus de Caparica 2829-516 Caparic1Portugal

The homojunction based on Ti_(3)C_(2)T_(x) MXene-doped In_(2)O_(3) and indium oxide as the channel layer is real-ized in high-performance metal oxide thin film transistors(TFTs).Doping of MXene into In_(2)O_(3) results in n-type semiconductor behavior,realizing tunable work function of In_(2)O_(3) from 5.11 to 4.79 eV as MXene content increases from 0 to 2 wt.%.MXene-doped In_(2)O_(3)-based homojunction TFT presents optimal per-formance with electron mobilities of greater than 27.10 cm^(2)/(V s)at 240°C,far exceeding the maximum mobility of 3.91 cm^(2)/(V s)for single-layer In_(2)O_(3)*** improved performance originates from boosting of a two-dimensional electron gas(2DEG)formed at carefully engineered In_(2)O_(3)/MXene-doped In_(2)O_(3)ox-ide homojunction ***,the transformation in conduction mechanism leads to better stability of MXene-doped In_(2)O_(3) homojunction devices compared to undoped bilayer In_(2)O_(3).Low-frequency noise further illustrates that doping MXene into In_(2)O_(3) helps to reduce the device trap density,demonstrating excellent electrical performance.A resistor-loaded unipolar inverter based on In_(2)O_(3)/0.5%MXene-In_(2)O_(3)TFT has demonstrated full swing characteristics and a high gain of *** effective doping of MXene into constructed homojunction TFTs not only contributes to improved stability,but also provides an ef-fective strategy for designing novel homojunction TFTs for low-cost oxide-based electronics.

关键词： MXene-doped In_(2)O_(3) Homojunction 2D electron gases Thin film transistor Low frequency noise

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Recycling process and proto-kimberlite melt metasomatism in the lithosphere-asthenosphere boundary beneath the Amazonian Craton recorded by garnet xenocrysts and mantle xenoliths from the Carolina kimberlite

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Geoscience Frontiers 2022年第5期13卷 89-105页

作者： Fernanda Gervasoni Tiago Jalowitzki Marcelo Peres Rocha Ricardo Kalikowski Weska Eduardo Novais-Rodrigues rodrigo Antonio de Freitas Rodrigues Yannick Bussweiler Elisa soares Rocha Barbosa Jasper Berndt Elton Luiz Dantas Valmir da Silva Souza Stephan Klemme Centro de Engenharias Universidade Federal de Pelotas(UFPel)PelotasBrazil Programa de Pós-graduação em Geociências Universidade Federal do Rio Grande do SulPorto AlegreBrazil Programa de Pós-graduação em Geologia Instituto de GeociênciasUniversidade de Brasília(UnB)BrasíliaBrazil Faculdade de Geociências Universidade Federal do Mato Grosso(UFMT)CuiabáBrazil Institut für Geologie und Mineralogie Universität zu KölnGermany Faculdade de Ciências e Tecnologia Universidade Federal de Goiás(UFG)Aparecida de GoiâniaBrazil Institut für Mineralogie Universität MünsterMünsterGermany

Here we present new data on the major and trace element compositions of silicate and oxide minerals from mantle xenoliths brought to the surface by the Carolina kimberlite,Pimenta Bueno Kimberlitic Field,which is located on the southwestern border of the Amazonian *** also present Sr-Nd isotopic data of garnet xenocrysts and whole-rocks from the Carolina *** xenoliths are mainly clinopyroxenites and *** of the clinopyroxenites were classified as GPP–PP–PKP(garnet-phlogopite peridotite,phlogopite-peridotite,phlogopite-K-richterite peridotite)suites,and two clinopyroxenites(eclogites)and two garnetites are relicts of an ancient subducted *** and pressure estimates yield 855–1102℃ and 3.6–7.0 GPa,*** are enriched in light rare earth elements(LREE)(La_(N)/Yb_(N)=5–62;Ce_(N)/Sm_(N)=1–3;where N=primitive mantle normalized values),they have high Ca/Al ratios(10–410),low to medium Ti/Eu ratios(742–2840),and low Zr/Hf ratios(13–26),which suggest they were formed by metasomatic reactions with CO_(2)-rich silicate *** with high TiO_(2)(>2.0 wt.%),Al_(2)O_(3)(>12.0 wt.%),and FeOt(5.0–13.0 wt.%)resemble those found in the groundmass of kimberlites,lamproites and ***,phlogopite with low TiO_(2)(<1.0 wt.%)and lower Al_(2)O_(3)(<12.0 wt.%)are similar to those present in GPP-PP-PKP,and in MARID(mica-amphibole-rutile-ilmenite-diopside)and PIC(phlogopite-ilmenite-clinopyorxene)*** GPP-PP-PKP suite of xenoliths,together with the clinopyroxene and phlogopite major and trace element signatures suggests that an intense proto-kimberlite melt metasomatism occurred in the deep cratonic lithosphere beneath the Amazonian *** Sr-Nd isotopic ratios of pyrope xenocrysts(G3,G9 and G11)from the Carolina kimberlite are characterized by high ^(143)Nd/^(144)Nd(0.51287–0.51371)and eNd(+4.55 to+20.85)accompanied with enriched ^(87)Sr/^(86)Sr(0.70405–0.71098).These results suggest intera

关键词： Carolina kimberlite K-rich mantle xenoliths Ancient subducted slab Proto-kimberlite melt metasomatism

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Direct Electrochemical Determination of Glyphosate Herbicide Using a Screen-Printed Carbon Electrode Modified with Carbon Black and Niobium Nanoparticles

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Journal of Analysis and Testing 2023年第4期7卷 425-434页

作者： Julia Oliveira Fernandes Cassiano Augusto Rolim Bernardino Juliana dos Santos Fernandes Claudio Fernando Mahler Bernardo Ferreira Braz Luiz Henrique Carpenter dos Santos rodrigo JoséCorrêa Ricardo Erthal Santelli Braulio soares Archanjo Emerson Schwingel Ribeiro Fernando Henrique Cincotto Departament of Analytical Chemistry Institute of ChemistryFederal University of Rio de JaneiroRio de Janeiro 21941-909Brazil Departament of Civil Engineering COPPEFederal University of Rio de JaneiroRio de Janeiro 21941-598Brazil National Institute of Science&Technology of Bioanalytics(INCTBio) CampinasSão Paulo 13083-862Brazil Departament of Inorganic Chemistry Institute of ChemistryFederal University of Rio de JaneiroRio de Janeiro 21941-909Brazil Unesp National Institute of Alternative Technologies for DetectionToxicological Assessment and Removal of Micropollutants and Radioactives(INCT-DATREM)AraraquaraSão Paulo 14800-060Brazil National Institute of Metrology Quality and TechnologyInmetroAv.Nossa Senhora das Graças50XerémDuque de Caxias 25250-020Brazil

Glyphosate is a herbicide that has been widely used worldwide and is used in agricultural areas to control weeds and unwanted *** sensors developed from different nanomaterials have high efficiency,excellent cost-benefit,and fast analysis time for detecting traces of environmental *** study aimed to produce an electrochemical sensor with disposable screen-printed electrodes based on carbon black modified with niobium nanoparticles to determine glyphosate in aqueous *** morphology,structure and electrochemical performance of the sensor were characterized by scanning electron microscopy,energy-dispersive X-ray spectroscopy,X-ray diffraction and cyclic *** pulse voltammetry in BR buffer solution at pH 5.0 allowed the generation of a method to quantify glyphosate concentration in a linear range of 5.90-172.30μmol/L(1.00-29.13μg/mL),with a limit of detection calculated at 3.07μmol/L(0.52μg/mL).The method efficiently quantified glyphosate in real water samples and showed no interference from K^(+),Na^(+),Ca^(2+),Mg^(2+)ions or thiamethoxam,imidacloprid and carbendazim pesticides.

关键词： Glyphosate Electrochemical sensor Carbon black Niobium nanoparticles

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决定巴西Espinhaco生物圈保护区森林-草地变化的环境因素

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Journal of Plant Ecology 2023年第5期16卷 13-25页

作者： Thais Ribeiro Costa Cristiane Coelho de Moura Leovandes soares da Silva Anne Priscila Dias Gonzaga Andrérodrigo Rech Evandro Luiz Mendonga Machado Department of Forest Sciences Federal University of Vales do Jequitinhonha e Mucuri-Campus JKRodovia MGT 367Km 583n 5.000Alto da JacubaDiamantina/MGCEP39100-000Brazil

关于热带雨林(对火敏感)和开放地层(耐火)之间边界所涉及过程的认识对于保护生物多样性和生态系统服务至关重要,尤其是在气候变化和人为压力增加的情况下。本文调查了位于巴西东南部的Espinhaco生物圈保护区内的森林岛屿和湿润草原同时... 详细信息

关于热带雨林(对火敏感)和开放地层(耐火)之间边界所涉及过程的认识对于保护生物多样性和生态系统服务至关重要,尤其是在气候变化和人为压力增加的情况下。本文调查了位于巴西东南部的Espinhaco生物圈保护区内的森林岛屿和湿润草原同时出现的主要环境因素。我们使用Costa(2018)布置的永久样地来收集森林岛屿的土壤变量(水分和化学性质)。对于湿润草原的采样,我们从岛屿边缘沿不同方向设置了4条30m的线。随后,我们在每条线上划了3个点,每个点相距10m,每个区域共12个点。我们还调查了处理火烧前后的植被覆盖情况,并对环境变量进行均值检验和主成分分析。研究结果显示,森林岛屿土壤中钾、盐基总量、阳离子交换容量和有机质的值均高于湿润草地。因此,两种植被类型之间的边界定义似乎主要与土壤肥力和水分梯度有关。在对这些地区进行火烧处理后,在岛屿边缘附近没有发现树木个体的再生。因此,这些研究结果表明,由于明确的土壤气候条件,森林岛屿无法扩张。因此,这些环境应该成为设计公共保护政策的目标焦点,因为它们增加了山地岩石草原植被景观的复杂性。

关键词：湿地土壤气候梯度岛屿森林综合火灾管理有机土

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Biofilm analyses and exoproduct release by clinical and environmental isolates of Burkholderia pseudomallei from Brazil

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Asian Pacific Journal of Tropical Medicine 2023年第7期16卷 321-328页

作者： Glaucia Morgana de Melo Guedes Crister JoséOcadaque Alyne soares Freitas rodrigo Machado Pinheiro Giovanna Barbosa Riello Silviane Praciano Bandeira Rossana de Aguiar Cordeiro Marcos Fábio Gadelha Rocha JoséJúlio Costa Sidrim Débora de Souza Collares Maia Castelo-Branco Department of Pathology and Legal Medicine Postgraduate Program in Medical MicrobiologyGroup of Applied Medical MicrobiologyFederal University of CearáFortalezaCEBrazil Department of Clinical and Toxicological Analysis School of PharmacyFederal University of CearáFortalezaCEBrazil Department of Pathology and Legal Medicine Postgraduate Program in Medical MicrobiologyLaboratory of Emerging and Reemerging PathogensFederal University of CearáFortalezaCEBrazil School of Veterinary Medicine Postgraduate Program in Veterinary SciencesState University of CearáFortalezaCEBrazil

Objective:To characterize biofilm production by clinical(n=21)and environmental(n=11)isolates of Burkholderia pseudomallei and evaluate the production of proteases,hemolysins and ***:Initially,the 32 strains were evaluated for biofilm production in Müller-Hinton broth-1%glucose(MH-1%glucose)and BHI broth-1%glucose,using the crystal violet staining ***,growing(48 h)and mature(72 h)biofilms were evaluated by confocal ***,the production of proteases,hemolysins and siderophores by planktonic aggregates,growing biofilms and mature biofilms was ***:All isolates produced biofilms,but clinical isolates had significantly higher biomass in both MH-1%glucose(P<0.001)and BHI-glucose 1%(P=0.005).The structural analyses by confocal microscopy showed thick biofilms,composed of multiple layers of cells,homogeneously arranged,with mature biofilms of clinical isolates presenting higher biomass(P=0.019)and thickness of the entire area(P=0.029),and lower roughness coefficient(P=0.007)than those of environmental *** production by growing biofilms was significantly greater than that of planktonic(P<0.001)and mature biofilms(P<0.001).Hemolysin release by planktonic aggregates was higher than that of biofilms(P<0.001).Regarding siderophores,mature biofilms presented higher production than growing biofilms(P<0.001)and planktonic aggregates(P<0.001).Conclusions:Clinical isolates have higher production of biofilms than their environmental counterparts;protease and siderophores seem important for growth and maintenance of Burkholderia pseudomallei biofilms.

关键词： Mangosteen Burkholderia pseudomallei Biofilms Proteases Hemolysins Siderophores

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Metabolic-associated fatty liver disease is associated with low muscle mass and strength in patients with chronic hepatitis B

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World Journal of Hepatology 2022年第8期14卷 1652-1666页

作者： Cecy Maria de Lima Santos Matheus Duarte Brito Pedro Alves soares Vaz de Castro Thais Pontello de Vries Nataly Lopes Viana Marta Paula Pereira Coelho Olívio Brito Malheiro Tatiana Bering Maria Cristina Gonzalez Rosangela Teixeira rodrigo Dias Cambraia Gifone Aguiar Rocha Luciana Diniz Silva Sciences Applied to Adult Health Care Post-Graduate Programme Faculdade de Medicina Universidade Federal de Minas GeraisBelo Horizonte 30130-100Minas GeraisBrazil Outpatient Clinic of Viral Hepatitis Instituto Alfa de GastroenterologiaFaculdade de MedicinaUniversidade Federal de Minas GeraisBelo Horizonte 30130-100Minas GeraisBrazil Faculdade de Medicina Universidade Federal de Minas GeraisBelo Horizonte 30130-100Minas GeraisBrazil Department of Locomotor System Faculdade de MedicinaUniversidade Federal de Minas GeraisBelo Horizonte 30130-100Minas GeraisBrazil Department of Food and Nutrition Universidade Federal de Mato GrossoCuiabá78060-900Mato GrossoBrazil Postgraduate Program in Health and Behaviour Catholic University of PelotasPelotas 96015-560Rio Grande do SulBrazil Laboratory of Research in Bacteriology Faculdade de MedicinaUniversidade Federal de Minas GeraisBelo Horizonte 30130-100Minas GeraisBrazil Department of Internal Medicine Universidade Federal de Minas GeraisBelo Horizonte 30130-100Minas GeraisBrazil

BACKGROUND Although the prognostic relevance of sarcopenia has been increasingly recognised in the context of liver disease,there is a paucity of data evaluating body composition in patients with chronic hepatitis B(CHB).Beyond virus-related factors,nutritional and metabolic aspects can be associated with skeletal muscle abnormalities in these patients and should not be *** To evaluate the association between components of sarcopenia and demographic,clinical,lifestyle,nutritional,and biochemical variables in CHB *** Dual-energy X-ray absorptiometry(DXA)was used to assess muscle mass by quantifying appendicular lean mass(ALM)adjusted for body mass index(ALMBMI).Muscle function was evaluated by hand grip strength(HGS)and the timed up and go ***-associated fatty liver disease(MAFLD)was defined according to the criteria proposed by an international expert panel.A body shape index and the International Physical Activity Questionnaire were used to assess central obesity and physical activity level,*** This cross-sectional study included 105 CHB outpatients followed at the tertiary care ambulatory centre(mean age,48.5±12.0 years;58.1%males;76.2%without cirrhosis;23.8%with compensated cirrhosis).The DXA-derived fat mass percentage was inversely correlated with the ALMBMI(r=-0.87)and HGS(r=-0.63).In the multivariable analysis,MAFLD,sedentarism and central obesity were positively and independently associated with low *** and central obesity were independently associated with low *** MAFLD and central obesity were associated with low muscle mass and strength in patients with chronic hepatitis B,independent of the liver disease stage.

关键词： Chronic hepatitis B Appendicular lean mass Muscle strength Metabolic associated fatty liver disease Central obesity Physical performance

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