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1在没有危险因素的情况下,正常的低密度脂蛋白胆固醇水平与亚临床动脉粥样硬化相关显示文摘普遍认为缺乏心血管病危险因素(cardiovascular risk factors,CVRF)人群的动脉粥样硬化发生风险低,然而,无CVRF的个体仍然有心血管事件发生。为了确定无CVRF个体中亚临床动脉粥样硬化的预测因子,Fernández-Friera L Fuster V López-Melgar B Oliva B García-Ruiz JM Mendiguren J Bueno H Pocock S Ibánez B Fernández-Ortiz A Sanz J 刘莉 叶鹏 2017中华高血压杂志2017,25,12:17
2Subclinical abnormal glucose tolerance is a predictor of death in liver cirrhosis显示文摘AIM:To determine if subclinical abnormal glucose tolerance(SAGT)has influence on survival of non-diabetic patients with liver cirrhosis.METHODS:In total,100 patients with compensatedliver cirrhosis and normal fasting plasma glucose were included.Fasting plasma insulin(FPI)levels were measured,and oral glucose tolerance test(OGTT)was performed.According to OGTT results two groups of patients were formed:those with normal glucose tolerance(NGT)and those with SAGT.Patients were followed every three months.The mean follow-up was932 d(range of 180-1925).Survival was analyzed by the Kaplan-Meyer method,and predictive factors of death were analyzed using the Cox proportional hazard regression model.RESULTS:Of the included patients,30 showed NGT and70 SAGT.Groups were significantly different only in age,INR,FPI and HOMA2-IR.Patients with SAGT showed lower 5-year cumulated survival than NGT patients(31.7%vs 71.6%,P=0.02).Differences in survival were significant only after 3 years of follow-up.SAGT,Child-Pugh B,and high Child-Pugh and Model for EndStage Liver Disease(MELD)scores were independent predictors of death.The causes of death in 90.3%of cases were due to complications related to liver disease.CONCLUSION:SAGT was associated with lower survival.SAGT,Child-Pugh B,and high Child-Pugh and MELD scores were independent negative predictors of survival.Diego García-Compeán Joel Omar Jáquez-Quintana Fernando Javier Lavalle-González José Alberto González-González Linda Elsa Mu?oz-Espinosa Jesús Zacarías Villarreal-PérezEndocrinology Service and Department of Internal Medicine University Hospital 'Dr. José E. González' and Medical School Universidad Autónoma de Nuevo León Monterrey 64320 México Héctor J Maldonado-Garza 2014World Journal of Gastroenterology2014,20,22:12
3Review of natural products with hepatoprotective effects显示文摘The liver is one of the most important organs in the body,performing a fundamental role in the regulationof diverse processes,among which the metabolism,secretion,storage,and detoxification of endogenous and exogenous substances are prominent.Due to these functions,hepatic diseases continue to be among the main threats to public health,and they remain problems throughout the world.Despite enormous advances in modern medicine,there are no completely effective drugs that stimulate hepatic function,that offer complete protection of the organ,or that help to regenerate hepatic cells.Thus,it is necessary to identify pharmaceutical alternatives for the treatment of liver diseases,with the aim of these alternatives being more effective and less toxic.The use of some plants and the consumption of different fruits have played basic roles in human health care,and diverse scientific investigations have indicated that,in those plants and fruits so identified,their beneficial effects can be attributed to the presence of chemical compounds that are called phytochemicals.The present review had as its objective the collecting of data based on research conducted into some fruits(grapefruit,cranberries,and grapes)and plants[cactus pear(nopal)and cactus pear fruit,chamomile,silymarin,and spirulina],which are consumed frequently by humans and which have demonstrated hepatoprotective capacity,as well as an analysis of a resin(propolis)and some phytochemicals extracted from fruits,plants,yeasts,and algae,which have been evaluated in different models of hepatotoxicity.Eduardo Madrigal-Santillán Eduardo Madrigal-Bujaidar Isela álvarez-González María Teresa Sumaya-Martínez José Gutiérrez-Salinas Mirandeli Bautista ángel Morales-González Manuel García-Luna y González-Rubio J Leopoldo Aguilar-Faisal José A Morales-González 2014World Journal of Gastroenterology2014,20,40:10
4Inflammatory status in human hepatic cirrhosis显示文摘This review focuses on new findings about the inflammatory status involved in the development of human liver cirrhosis induced by the two main causes, hepatitis C virus(HCV) infection and chronic alcohol abuse, avoiding results obtained from animal models. When liver is faced to a persistent and/or intense local damage the maintained inflammatory response gives rise to a progressive replacement of normal hepatic tissue by non-functional fibrotic scar. The imbalance between tissue regeneration and fibrosis will determine the outcome toward health recovery or hepatic cirrhosis. In all cases progression toward liver cirrhosis is caused by a dysregulation of mechanisms that govern the balance between activation/homeostasis of the immune system. Detecting differences between the inflammatory status in HCV-induced vs alcoholinduced cirrhosis could be useful to identify specific targets for preventive and therapeutic intervention in each case. Thus, although survival of patients with alcoholic cirrhosis seems to be similar to that of patients with HCV-related cirrhosis(HCV-C), there are important differences in the altered cellular and molecular mechanisms implicated in the progression toward human liver cirrhosis. The predominant features of HCV-C are more related with those that allow viral evasion of the immune defenses, especially although not exclusively, inhibition of interferons secretion, natural killer cells activation and T cell-mediated cytotoxicity. On the contrary, the inflammatory status of alcohol-induced cirrhosis is determined by the combined effect of direct hepatotoxicity of ethanol metabolites and increases of the intestinal permeability, allowing bacteria and bacterial products translocation, into the portal circulation, mesenteric lymph nodes and peritoneal cavity. This phenomenon generates a stronger pro-inflammatory response compared withHCV-related cirrhosis. Hence, therapeutic intervention in HCV-related cirrhosis must be mainly focused to counteract HCV-immune system evasion, while in the case of alcohol-induced cirrhosis it must try to break the inflammatory loop established at the gutmesenteric lymph nodes-peritoneal-systemic axis.María Martínez-Esparza María Tristán-Manzano Antonio J Ruiz-Alcaraz Pilar García-Penarrubia 2015World Journal of Gastroenterology2015,21,41:10
5Ultrafine Grained HSLA Steels for Cold Forming显示文摘The industrial level production of ultrafine grained(or ultrafine ferrite)ferrous alloys was investigated through three examples of steels that complied with the EN 10149-2 Euronorm and were produced by advanced controlled hot rolling techniques.The steel samples were tension tested and chemically analyzed,and the microstructure was evaluated through quantitative metallographic techniques to determine parameters such as yield stress,amount of microalloying elements,strain hardening coefficient,grain size,and grain size distribution.These steels were microalloyed with Ti,Nb,and Mn with ASTM grain sizes of approximately 13-15.The careful control of chemical composition and deformation during production,giving a specific attention to the deformation sequences,austenite non-recrystallization temperatures and allotropic transformations during cooling,are indispensable to obtain steels with an adequate strain hardening coefficient that allows cold working operations such as bending,stretching or drawing.R González J O García M A Barbés M J Quintana L F Verdeja J I Verdeja 2010Journal of Iron and Steel Research(International)2010,17,10:7
6Xeroderma pigmentosum group D 751 polymorphism as a predictive factor in resected gastric cancer treated with chemo-radiotherapy显示文摘AIM: To evaluate the potential association of xeroderma pigmentosum group D (XPD) codon 751 variant with outcome after chemo-radiotherapy in patients with resected gastric cancer. METHODS: We used PCR-RFLP to evaluate the genetic XPD Lys751Gln polymorphisms in 44 patients with stage Ⅲ (48%) and Ⅳ (20%) gastric cancer treated with surgery following radiation therapy plus 5-fluorouracil/ leucovorin based chemotherapy. RESULTS: Statistical analysis showed that 75% (12 of 16) of relapse patients showed Lys/Lys genotype more frequently (P = 0.042). The Lys polymorphism was an independent predictor of high-risk relapse-free survival from Cox analysis (HR: 3.07, 95% CI: 1.07-8.78, P = 0.036) and Kaplan-Meir test (P = 0.027, log-rank test). CONCLUSION: XPD Lys751Gln polymorphism may be an important marker in the prediction of clinical outcome to chemo-radiotherapy in resected gastric cancer patients.RN Zárate R F Arias E Bandres E Cubedo R Malumbres J García-Foncillas 2006World Journal of Gastroenterology2006,12,37:7
7Diagnostic and therapeutic challenges of gastrointestinal angiodysplasias: A critical review and view points显示文摘Gastrointestinal angiodysplasias (GIADs), also called angioectasias, are the most frequent vascular lesions. Its precise prevalence is unknown since most of them are asymptomatic. However, the incidence may be increasing since GIADs affect individuals aged more than 60 years and population life expectancy is globally increasing worldwide. They are responsible of about 5% to 10% of all gastrointestinal bleeding (GIB) cases. Most GIADs are placed in small bowel, where are the cause of 50 to 60% of obscure GIB diagnosed with video capsule endoscopy. They may be the cause of fatal severe bleeding episodes;nevertheless, recurrent overt or occult bleeding episodes requiring repeated expensive treatments and disturbing patient’s quality-of-life are more frequently observed. Diagnosis and treatment of GIADs (particularly those placed in small bowel) are a great challenge due to insidious disease behavior, inaccessibility to affected sites and limitations of available diagnostic procedures. Hemorrhagic causality out of the actively bleeding lesions detected by diagnostic procedures may be difficult to establish. No treatment guidelines are currently available, so there is a high variability in the management of these patients. In this review, the epidemiology and pathophysiology of GIADs and the status in the diagnosis and treatment, with special emphasis on small bowel angiodysplasias based on multiple publications, are critically discussed. In addition, a classification of GIADs based on their endoscopic characteristics is proposed. Finally, some aspects that need to be clarified in future research studies are highlighted.Diego García-Compeán ángel N Del Cueto-Aguilera Alan R Jiménez-Rodríguez José A González-González Héctor J Maldonado-Garza 2019World Journal of Gastroenterology2019,25,21:5
8Structural studies of BaTiO_3:Er^(3+) and BaTiO_3:Yb^(3+) powders synthesized by hydrothermal method显示文摘Erbium and ytterbium doped barium titanate nanopowders were prepared using the hydrothermal method. A barium titanate structure doped with rare earth ions manifested new characteristics and improved the field of application of optical devices such as trichromatic tubes, LCD displays, lamps, and infrared lasers. In this work, BaTiO3:Er3+ and BaTiO3:Yb3+ were prepared using barium chloride [BaCl2], titanium butoxide [C16H36O4Ti], erbium chloride [ErCl3] and ytterbium chloride [YbCl3] as precursors. Anhydrous methanol was employed as a solvent. Metallic potassium was used to promote solubility in the system and increase the pH to 13. This method yielded the formation of a predominantly cubic structure in both Er3+ and Yb3+ doped BaTiO3 powders. Characteristic bondings of BaTiO3 were observed with FT-IR spectroscopy. The predominantly cubic structure was confirmed by X-ray diffraction and micro-Raman analyses. The particle size(~30 nm) was estimated using the Scherrer equation and X-ray diffraction data. The results were presented and discussed.Garrido-Hernández A García-Murillo A Carrillo-Romo F de J Cruz-Santiago L A Chadeyron G Morales-Ramírez A de J Velumani S 2014Journal of Rare Earths2014,32,11:3
9Outcomes of critically ill cancer patients with Acinetobacter baumannii infection显示文摘AIM: To describe the intensive care unit(ICU) outcomes of critically ill cancer patients with Acinetobacter baumannii(AB) infection.METHODS: This was an observational study that included 23 consecutive cancer patients who acquired AB infections during their stay at ICU of the National Cancer Institute of Mexico(INCan), located in Mexico City. Data collection took place between January 2011, and December 2012. Patients who had AB infections before ICU admission, and infections that occurred during the first 2 d of ICU stay were excluded. Data were obtained by reviewing the electronic health record of each patient. This investigation was approved by the Scientific and Ethics Committees at INCan. Because of its observational nature, informed consent of the patients was not required.RESULTS: Throughout the study period, a total of 494 critically ill patients with cancer were admitted to the ICU of the INCan, 23(4.6%) of whom developed AB infections. Sixteen(60.9%) of these patients had hematologic malignancies. Most frequent reasons for ICU admission were severe sepsis or septic shock(56.2%) and postoperative care(21.7%). The respiratory tract was the most frequent site of AB infection(91.3%). The most common organ dysfunction observed in our group of patients were the respiratory(100%), cardiovascular(100%), hepatic(73.9%) and renal dysfunction(65.2%). The ICU mortality of patients with 3 or less organ system dysfunctions was 11.7%(2/17) compared with 66.6%(4/6) for the group of patients with 4 or more organ system dysfunctions(P = 0.021). Multivariate analysis identified blood lactate levels(BLL) as the only variable independently associated with inICU death(OR = 2.59, 95%CI: 1.04-6.43, P = 0.040). ICU and hospital mortality rates were 26.1% and 43.5%, respectively.CONCLUSION: The mortality rate in critically ill patients with both HM, and AB infections who are admitted to the ICU is high. The variable most associated with increased mortality was a BLL ≥ 2.6 mmol/L in the first day of stay in the ICU.Silvio A ?amendys-Silva Paulina Correa-García Francisco J García-Guillén María O González-Herrera Américo Pérez-Alonso Julia Texcocano-Becerra Angel Herrera-Gómez Patricia Cornejo-Juárez Abelardo Meneses-García 2015World Journal of Critical Care Medicine2015,4,3:3
10Diabetes mellitus, revascularization and outcomes in elderly patients with myocardial infarction-related cardiogenic shock显示文摘Background The prognostic role of diabetes mellitus(DM)in elderly patients with myocardial infarction-related cardiogenic shock(MI-CS)remains controversial.Little information exists about the impact of intensive cardiac care unit(ICCU)and revascularization on outcomes of elderly patients with MI-CS.We aimed to assess the prognostic impact of DM according to age in patients with MI-CS,and to analyze the impact ICCU management and revascularization on in-hospital mortality in MI-CS patients at older ages.Methods Discharge episodes with diagnosis of CS associated with MI were selected from the Spanish National Health System’s Basic Data Set.Centers were classified according to their availability of ICCU.Main outcome measured was in-hospital mortality.Results A total of 23,590 episodes of MI-CS were identified,of whom 12,447(52.8%)were in patients aged≥75 years.The impact of DM on in-hospital mortality was different among age subgroups.While in younger patients,DM was associated to a higher mortality risk(0.52 vs.0.47,OR=1.12,95%CI:1.06–1.18,χ^2<0.001),this association became non-significant in older patients(0.76 vs.0.81,χ^2=0.09).Adjusted mortality rate of MI-CS aged≥75 years was lower in patients admitted to hospitals with ICCU(adjusted mortality rate:74.2%vs.77.7%,P<0.001)and in patients undergoing revascularization(74.9%vs.77.3%,P<0.001).Conclusions Prognostic impact of DM in patients with MI-CS was different according to age,with a significantly lower impact at older ages.The availability of ICCU and revascularization were associated with better outcomes in these complex patients.Miquel Gual Albert Ariza-Solé María García Márquez Cristina Fernández JoséL Bernal Francesc Formiga María-Isabel Barrionuevo JoséC Sánchez-Salado Victòria Lorente Júlia Pascual Isaac Llaó Oriol Alegre Angel Cequier Javier Elola 2020Journal of Geriatric Cardiology2020,17,10:2
11生长兔日粮中棕榈仁粕的营养价值显示文摘为确定饲料中的棕榈仁粕(PKM)对生长兔的营养价值,在试验1中,选用新西兰×加州50日龄生长兔20只来确定PKM的能量、粗蛋白、纤维和脂肪消化率。通过不同方法对其营养价值进行评估,试验分为对照组(基础日粮)和试验组(在基础日粮中添加PKM200g.kg-1)。PKM的能量、粗蛋白、乙醚提取物和中性洗涤纤维的消化率分别为0.549(±0.056,SE)、0.541(±0.069)、0.850(±0.048)和0.430(±0.101),可消化的能量为10.9±1.03MJ.kg-1DM;试验2中,412只生长兔被随机分配在2个试验日粮组来衡量其增长性能。试验结果表明,与对照组相比,PKM日粮组对饲料及可消化能量的摄入无显著差异,但平均日增重(P=0.003)和饲料效率(P<0.001)略有下降(约5%),死亡率和软粪便中产气荚膜梭菌数量都不受日粮类型的影响。说明棕榈仁粕可以作为生长兔的纤维、蛋白质和脂肪来源,其可以替代其他日粮中大量的纤维成分,并且对生产性能没有不利影响。Carrión S De Blas J C Méndez J Caídas A García-Rebollar P 2012饲料博览2012,,2:2
12MicroRNAs in biliary diseases显示文摘Cholangiopathies are a group of diseases primarily or secondarily affecting bile duct cells, and result in cholangiocyte proliferation, regression, and/or transformation. Their etiopathogenesis may be associated with a broad variety of causes of different nature, which includes genetic, neoplastic, immune-associated, infectious, vascular, and drug-induced alterations, or being idiopathic. miRNAs, small non-coding endogenous RNAs that post-transcriptionally regulate gene expres sion, have been associated with pathophysiological processes in different organs and cell types, and are postulated as potential targets for diagnosis and therapy. In the current manuscript, knowledge regarding the role of miRNAs in the development and/or progression of cholangiopathies has been reviewed and the most relevant findings in this promising field of hepatology have been highlighted.Patricia Munoz-Garrido Maite García-Fernández de Barrena Elizabeth Hijona Miguel Carracedo JoséJ G Marín Luis Bujanda Jesús M Banales 2012World Journal of Gastroenterology2012,18,43:2
13Discrimination between active and inactive neurocysticercosis by metacestode excretory/secretory antigens of Taenia solium in an enzymelinked immunosorbent assay 显示文摘Molinari J L Garc i a-Mendoza E de la Garza Y 2002Am J Trop Med Hyg2002,66,6:1
14显示文摘 1997Journnal of Materials Science: Materials in Medicine1997,8,12:1
15Synthesis and characterization of TM-MCM-48 (TM = Mn,V,Cr) and their catalytic activity in the oxidation of styrene 显示文摘GóMEZ S GARCES L J VILLEGAS J 2005J Catal2005,233,1:1
16Strain relaxa-tion and segregation effects during self-assembled InAs quan-tum dots formation on GaAs(001)显示文摘GARCA J M SILVEIRA J P BRIONES F 2000Applied Physics Letters2000,77,3:1
17The usefulness of UV–visible and fluorescence spectroscopies to study the chemical nature of humic substances from soils and composts显示文摘Fuentes M González-Gaitano G García-Mina J M 2006Organic Geochemistry2006,37,12:1
18Xanthan gum:production,recovery,and properties显示文摘García-Ochoa F Santos V E Casas J A 2000Biotechnology Advances2000,18,7:1
19Why did Spanish Banks Securitize Differently?Asset Securitization,Ownership and Risk显示文摘Sagarra M García-Cestona M Rialp J 2014Ssrn Electronic Journal2014,,:1
20Mode coupling contribution to radiation losses in curvaturesfor high and low numerical aperture plastic optical fibers 显示文摘Losada M A Garces Mateo J 2002Lightwave Technology2002,20,7:1
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