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Porto study

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https://www.readbyqxmd.com/read/28653264/survival-analysis-of-patients-with-systemic-lupus-erythematosus-in-a-tertiary-hospital-in-southern-brazil
#1
Jordana Vaz Hendler, Lucian de Souza, Daniele Corrêa de Freitas Zernow, Juliano Guimarães, Thiago Bertotto, Carla Forgiarini Saldanha, João Carlos Tavares Brenol, Odirlei André Monticielo
Systemic lupus erythematosus (SLE) treatments progress over the years. However, the mortality remains higher than in the general population. Few studies have examined SLE patients' survival in Brazil. This study aims to identify the main characteristics and risk factors to predict mortality and recognize the main causes of death in Brazilian patients with SLE. We retrospectively assessed clinical, demographic, and serological characteristics from 600 patients followed since 2001 in SLE outpatient clinic from Hospital de Clínicas de Porto Alegre...
June 26, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28649956/the-ati-score-age-thrombotic-burden-index-of-microcirculatory-resistance-determined-during-primary-percutaneous-coronary-intervention-predicts-final-infarct-size-in-patients-with-st-elevation-myocardial-infarction-a-cardiac-magnetic-resonance-validation-study
#2
Giovanni Luigi De Maria, Mohammad Alkhalil, Mathias Wolfrum, Gregor Fahrni, Alessandra Borlotti, Lisa Gaughran, Sam Dawkins, Jeremy Langrish, Andrew Lucking, Robin Choudhury, Italo Porto, Filippo Crea, Erica Dall'Armellina, Keith Channon, Rajesh Kharbanda, Adrian Banning
AIMS: The age-thrombus score-index of microcirculatory resistance (ATI) score is a diagnostic tool able to predict suboptimal myocardial reperfusion before stenting, in patients with ST elevation myocardial infarction (STEMI). We aimed to validate the ATI score against cardiac magnetic resonance imaging (cMRI). METHODS AND RESULTS: The ATI score was calculated prospectively in 80 STEMI patients. cMRI was performed within 48 hours in all patients and in 50 patients at six months follow up to assess the extent of infarct size (IS%) and microvascular obstruction (MVO%)...
June 27, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28647350/antitumor-activity-of-resveratrol-is-independent-of-cu-ii-complex-formation-in-mcf-7-cell-line
#3
Priscylla Andrade Volkart, Rodrigo Benedetti Gassen, Bettina Mühlen Nogueira, Bárbara Nery Porto, José Eduardo Vargas, André Arigony Souto
Resveratrol (Rsv) is widely reported to possess anticarcinogenic properties in a plethora of cellular and animal models having limited toxicity toward normal cells. In the molecular level, Rsv can act as a suppressive agent for several impaired signaling pathways on cancer cells. However, Fukuhara and Miyata have shown a non-proteic reaction of Rsv, which can act as a prooxidant agent in the presence of copper (Cu), causing cellular oxidative stress accompanied of DNA damage. After this discovery, the complex Rsv-Cu was broadly explored as an antitumor mechanism in multiples tumor cell lines...
June 15, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28643420/impact-on-survival-of-warfarin-in-patients-with-pulmonary-arterial-hypertension-receiving-subcutaneous-treprostinil
#4
Mona Ascha, Xuan Zhou, Youlan Rao, Omar A Minai, Adriano R Tonelli
INTRODUCTION: Anticoagulation is a common treatment modality in patients with pulmonary arterial hypertension (PAH). Further studies are needed to appropriately assess the risk / benefit ratio of anticoagulation, particularly in PAH patients receiving PAH-specific therapies. AIMS: We use observational long-term data on PAH patients treated with subcutaneous (SQ) treprostinil from a large open-label study. Patients were followed for up to four years. The use of warfarin and bleeding events were recorded...
June 23, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28643399/distributed-health-literacy-among-people-living-with-type-2-diabetes-in-portugal-defining-levels-of-awareness-and-support
#5
Liliana Abreu, João Arriscado Nunes, Peter Taylor, Susana Silva
This study embraces a patient-centred and narrative-oriented notion of health literacy, exploring how social networks and personal experiences constitute distributed health literacy (DHL) by mapping out health literacy mediators of each individual and how they enable self-management skills and knowledge of health conditions. Semi-structured interviews with 26 patients with type 2 diabetes were conducted in a Primary Care Center of Porto (Portugal) from October 2014 to December 2015. Data were collected based on McGill Illness Narrative Interview (MINI)...
June 22, 2017: Health & Social Care in the Community
https://www.readbyqxmd.com/read/28642910/influence-of-abutment-design-on-retention-of-metal-copings-cemented-to-implants
#6
Albano Porto da Cunha, Glauco Pereira Moysés, Ana Christina Claro Neves, Rafael Pino Vitti, Flávia Cardoso da Rosa Goulart, Laís Regiane da Siva-Concílio
Objective The study evaluated the influence of abutment design on the retention of implant-cemented metal copings. Material and methods Two abutments of the same system with the same indications, height and the total occlusal convergence, but of different designs were evaluated. Ten RN synOcta abutments (Straumann, Waltham, MA) and ten RN titanium solid abutments (Straumann, Waltham, MA) were tightened to 35 Ncm on 20 implant analogs previously placed in resin blocks. Twenty plastic burnout copings were waxed, included, cast and machined by a single operator...
December 2016: Acta Biomaterialia Odontologica Scandinavica
https://www.readbyqxmd.com/read/28642199/chemical-profile-and-anti-leishmanial-activity-of-three-ecuadorian-propolis-samples-from-quito-guayaquil-and-cotacachi-regions
#7
Osmany Cuesta-Rubio, Mercedes Campo Fernández, Ingrid Márquez Hernández, Carmita Gladys Jaramillo Jaramillo, Victor Hugo González, Rodny Montes De Oca Porto, David Marrero Delange, Lianet Monzote Fidalgo, Anna Lisa Piccinelli, Luca Campone, Luca Rastrelli
Three propolis samples were collected from different regions of Ecuador (Quito, Guayaquil and Cotacachi) and their methanolic extracts were prepared. Preliminary information supplied by TLC and NMR data, allowed us to define two main types of propolis: Cotacachi propoli sample (CPS), rich in flavonoids and Quito and Guayaquil samples (QPS and GPS) containing triterpenic alcohols and acetyl triterpenes as the main constituents. Two different approaches based on RP-HPLC preparative procedure and NMR structural determination (CPS) and GC-MS analysis (QPS and GPS) were successfully used for the chemical characterization of their major compounds...
June 19, 2017: Fitoterapia
https://www.readbyqxmd.com/read/28641179/quantitative-study-of-the-proportion-of-the-pore-volume-of-human-fluorotic-enamel-filled-by-resin-infiltrant
#8
Frederico Barbosa de Sousa, Isabel Maria Porto Lelis, Regina Célia Bressan Queiroz Figueiredo, Andressa Cavalcanti Pires, Raquel Fernanda Gerlach
AIM: Capillarity theory predicts that the pore volume infiltrated by a liquid in a body with tubular capillaries is directly proportional to the capillary radius. The expected volume available for infiltration is the loosely bound water volume, which can be related to the capillary radii. We tested the hypothesis that the proportion of the pore volume infiltrated by resin infiltrant (Vratio(resin)) is correlated and agrees with the proportion of the pore volume with loosely bound water ( [Formula: see text] )...
June 15, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28640344/screening-of-plant-extracts-and-fractions-on-aedes-aegypti-larvae-found-in-the-state-of-mato-grosso-do-sul-linnaeus-1762-culicidae
#9
Karla R DE Andrade Porto, Priscilla R Motti, Mami Yano, Antonia R Roel, Claudia A L Cardoso, Rosemary Matias
The constant use of chemical insecticides for Aedes aegypti control has caused resistance in the mosquito populations. Thus, the objective of this study was to analyze the larvicidal potential of extracts and fractions of plants on A. aegypti larvae. The analysis included sixty one extracts and twenty five fractions of fifty botanical species at concentrations of 0.25; 0.12; 0.06 to 0.03 mg mL-1; 4 replications and one negative control of dechlorinate water and 1% DMSO; and a positive control with rotenone...
April 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28631134/budd-chiari-syndrome-outcomes-of-endovascular-intervention-a-single-center-experience
#10
Nitin Jagtap, Mithun Sharma, Jagdeesh Singh, Manu Tandan, P N Rao, Rajesh Gupta, Sundeep Lakhtakia, Mohan Ramchandani, Harshal Shah, T Mahesh Kumar, Santosh Darishetty, G V Rao, D N Reddy
AIM: Outcomes of endovascular intervention in Budd-Chiari syndrome (BCS) have been reported with varied results. Clinical outcomes of endovascular interventions in BCS and role of various prognostic scores were critically evaluated in this study. METHODS: This study retrospectively analyzed consecutive patients of BCS who underwent endovascular intervention between January 2007 and May 2016 at our center. Technical, clinical successes and complications were documented...
June 20, 2017: Indian Journal of Gastroenterology: Official Journal of the Indian Society of Gastroenterology
https://www.readbyqxmd.com/read/28629028/physicochemical-and-biological-assessment-of-peek-composites-embedding-natural-amorphous-silica-fibers-for-biomedical-applications
#11
Patrícia R Monich, Fernanda V Berti, Luismar M Porto, Bruno Henriques, Antonio P Novaes de Oliveira, Márcio C Fredel, Júlio C M Souza
The main aim of this study was to assess the physicochemical and biological properties of a novel poly(ether ether ketone) (PEEK) composite containing 30%wt natural amorphous silica fibers (NASF). PEEK and NASF powders were previously functionalized by atomization and citric acid in order to enhance adhesion between polymeric matrix and fillers. Then, composites were produced by cold compression molding technique at 350°C for 3h. Materials were characterized by chemical, microstructural, thermophysical, mechanical and cytotoxic analysis...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28623670/feasibility-and-safety-of-right-and-left-heart-catheterization-via-an-antecubital-fossa-vein-and-the-radial-artery-in-patients-with-heart-failure
#12
Domenico D'Amario, Francesco Burzotta, Antonio M Leone, Italo Porto, Giampaolo Niccoli, Cristina Aurigemma, Aureliano Ruggio, Josip A Borovac, Massimo Massetti, Carlo Trani, Filippo Crea
OBJECTIVES: Heart failure is the leading cause of hospitalization among patients older than 65 years of age. A significant proportion of patients require heart catheterization for diagnostic, therapeutic, and prognostic purposes. To determine the feasibility and safety of full arm-arm catheterization access, we aimed to compare this approach with other established catheterization approaches. METHODS AND RESULTS: In this retrospective cohort study, a total of 493 consecutive patients with heart failure requiring right and left heart catheterization were studied and analyzed...
June 15, 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28623401/biomarkers-in-the-assessment-of-oral-mucositis-in-head-and-neck-cancer-patients-a-systematic-review-and-meta-analysis
#13
REVIEW
Ana Gabriela Costa Normando, Camila Lopes Rocha, Isabela Porto de Toledo, Paulo Tadeu de Souza Figueiredo, Paula Elaine Diniz Dos Reis, Graziela De Luca Canto, Eliete Neves Silva Guerra
PURPOSE: The aim of this study was to evaluate the capability of biomarkers to predict the risk of oral mucositis in head and neck cancer patients, as well as to assess the correlation between these biomarkers and the severity of mucositis. METHODS: The search was performed at LILACS, PubMed, Science Direct, Scopus, and Web of Science. A search of the gray literature was performed on Google Scholar, OpenGrey, and ProQuest. The methodological quality of the included studies was assessed using the Meta-Analysis of Statistics Assessment and Review Instrument (MAStARI) tool, and the evidence quality was assessed by the Grading of Recommendation, Assessment, Development, and Evaluation (GRADE) system...
June 16, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28611787/lack-of-diuretic-efficiency-but-not-low-diuresis-early-in-an-acutely-decompensated-heart-failure-episode-is-associated-with-increased-180-day-mortality
#14
João Pedro Ferreira, Nicolas Girerd, Pedro Bettencourt Medeiros, Miguel Bento Ricardo, Tiago Almeida, Alexandre Rola, Faiez Zannad, Patrick Rossignol, Irene Aragão
INTRODUCTION: The assessment of the amount of urine produced by the dose of administered diuretic has been proposed as the main signal of interest in diuretic responsiveness - diuretic efficiency (DE). The main aim of our study is to determine if a low DE is associated with 180-day all-cause mortality (ACM). METHODS: During a 3-year period, we retrospectively studied patients with acutely decompensated heart failure (ADHF) and respiratory insufficiency admitted to the emergency room of a tertiary university hospital in Porto, Portugal...
February 2017: Cardiorenal Medicine
https://www.readbyqxmd.com/read/28609270/a-prospective-study-comparing-two-embryo-transfer-soft-catheters
#15
Emily De Conto, Artur K Schuster, Vanessa K Genro, Rita Chapon, Daniela S da Silva, João Sabino Cunha-Filho
OBJECTIVES: To compare reproductive outcomes using two different soft catheters i.e. Set TDT® and Cook® Sydney IVF. The primary outcome was defined as a positive β-human chorionic gonadotropin (β-hCG) test. METHODS: Our prospective study recruited 68 patients undergoing in vitro fertilization cycles in a private fertility clinic in Porto Alegre, Brazil, between January 2014 and April 2016. They were divided into two groups according to the catheter that would be used for the embryo transfer, and the groups were matched by age...
June 1, 2017: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/28606322/peripheral-and-placental-immune-responses-in-goats-after-primoinfection-with-neospora-caninum-at-early-mid-and-late-gestation
#16
Wagnner José Nascimento Porto, Pilar Horcajo, Pomy de Cássia Peixoto Kim, Javier Regidor-Cerrillo, Elton Amorim Romão, Gema Álvarez-García, Emanuela Polimeni de Mesquita, Rinaldo Aparecido Mota, Luis Miguel Ortega-Mora
Neospora caninum can cause reproductive failure in goats. However, the pathogenesis of neosporosis in this domestic species remains largely unknown. We recently demonstrated that the outcome of experimental infection by N. caninum in pregnant goats is highly dependent on the time of gestation, during which infection occurs. In the present study, we examined the peripheral and placental immune responses in these groups of goats infected with 10(6) tachyzoites of the Nc-Spain7 isolate at early (G1, at day 40 of gestation, dg), mid (G2, 90 dg) and late (G3, 120 dg) gestation, together with a group of non-infected goats as a control group (G4)...
August 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28601467/recurrent-acute-coronary-syndrome-and-mechanisms-of-plaque-instability
#17
Luca Di Vito, Giampaolo Niccoli, Italo Porto, Rocco Vergallo, Laura Gatto, Francesco Prati, Filippo Crea
Patients with an acute coronary syndrome (ACS) due to plaque rupture had a worse prognosis when compared with those without plaque rupture with a higher rate of target vessel revascularization and readmission for unstable angina, suggesting that both stent failure and disease progression occur more frequently. However, it is not known whether recurrent episodes of coronary instability in the same patient are caused by the same pathogenetic mechanism. Thus, we sought to investigate the mechanisms of coronary instability imaged by optical coherence tomography in patients with recurrent ACS events...
June 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28588751/protein-tolerance-to-standard-and-high-protein-meals-in-patients-with-liver-cirrhosis
#18
Octavio Campollo, Dirk Sprengers, Gitte Dam, Hendrik Vilstrup, Neil McIntyre
AIM: To investigate the plasma amino acid response and tolerance to normal or high protein meals in patients with cirrhosis. METHODS: The plasma amino acid response to a 20 g mixed protein meal was compared in 8 biopsy-proven compensated cirrhotic patients and 6 healthy subjects. In addition the response to a high protein meal (1 g/kg body weight) was studied in 6 decompensated biopsy-proven cirrhotics in order to evaluate their protein tolerance and the likelihood of developing hepatic encephalopathy (HE) following a porto-caval shunt procedure...
May 18, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28584925/peripherally-inserted-central-catheters-are-associated-with-lower-risk-of-bloodstream-infection-compared-with-central-venous-catheters-in-paediatric-intensive-care-patients-a-propensity-adjusted-analysis
#19
Ricardo Silveira Yamaguchi, Danilo Teixeira Noritomi, Natalia Viu Degaspare, Gabriela Ortega Cisternas Muñoz, Ana Paula Matos Porto, Silvia Figueiredo Costa, Otavio T Ranzani
PURPOSE: Central line-associated bloodstream infection (CLABSI) is an important cause of complications in paediatric intensive care units (PICUs). Peripherally inserted central catheters (PICCs) could be an alternative to central venous catheters (CVCs) and the effect of PICCs compared with CVCs on CLABSI prevention is unknown in PICUs. Therefore, we aimed to evaluate whether PICCs were associated with a protective effect for CLABSI when compared to CVCs in critically ill children. METHODS: We have carried out a retrospective multicentre study in four PICUs in São Paulo, Brazil...
June 5, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28576685/aberrant-dna-methylation-patterns-of-human-spermatozoa-in-current-smoker-males
#20
M Laqqan, S Tierling, Y Alkhaled, C Lo Porto, E F Solomayer, M E Hammadeh
The purpose of this study was to investigate the impact of current cigarette smoking on sperm DNA methylation patterns. A total of 108 males (51 current smokers and 57 never smoked males) were included in the study. Using 450 BeadChip Arrays, the differentially methylated CpGs between current smokers (n=15) and never smoked males (n=15) were identified. Out of significantly 11 CpGs identified, 2 CpGs namely cg07869343 and cg19169023, which are located in the MAPK8IP3 and TKR genes were selected for further analysis...
May 30, 2017: Reproductive Toxicology
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