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https://www.readbyqxmd.com/read/29332157/acanthamoeba-keratitis-in-porto-alegre-southern-brazil-28-cases-and-risk-factors
#1
Denise Leal Dos Santos, Sergio Kwitko, Diane Ruschel Marinho, Bruno Schneider de Araújo, Claudete Inês Locatelli, Marilise Brittes Rott
The increasing use of contact lenses worldwide has led to an increase in cases of Acanthamoeba keratitis, which are often associated with inappropriate cleaning of contact lenses and lens cases. This study aimed to retrospectively review 28 cases of Acanthamoeba keratitis in Porto Alegre (southern Brazil) and identify the risk factors and clinical outcomes of affected patients. Most patients had higher education (66.6%), all were users of contact lenses, mostly women (67.9%). Most patients were soft contact lens wearers (66...
January 14, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29315717/impact-of-cigarette-smoking-on-sperm-dna-methylation-and-its-effect-on-sperm-parameters
#2
Y Alkhaled, M Laqqan, S Tierling, C Lo Porto, H Amor, M E Hammadeh
DNA methylation is an epigenetic modification of the genome. The purpose of this study was to determine the influence of cigarette-smoking on sperm DNA methylation from a genomewide survey of sperm samples and to ascertain its effect on sperm parameters. Twenty-eight sperm DNA samples (from 14 fertile smokers as a case study and 14 proven fertile nonsmokers as controls) were subjected to Infinium 450K BeadChip arrays to identify the changes in the DNA methylation level between the two groups. Then, deep bisulphite sequencing was used to validate five CpGs on 78 samples...
January 9, 2018: Andrologia
https://www.readbyqxmd.com/read/29314720/correlation-of-april-with-production-of-inflammatory-cytokines-during-acute-malaria-in-the-brazilian-amazon
#3
Raquel A Pinna, Adriana C Dos Santos, Daiana S Perce-da-Silva, Luciene A da Silva, Rodrigo N R da Silva, Marcelo R Alves, Fátima Santos, Joseli de Oliveira Ferreira, Josué C Lima-Junior, Déa M Villa-Verde, Paula M De Luca, Carla E Carvalho-Pinto, Dalma M Banic
INTRODUCTION: A proliferation-inducing ligand (APRIL) and B cell activation factor (BAFF) are known to play a significant role in the pathogenesis of several diseases, including BAFF in malaria. The aim of this study was to investigate whether APRIL and BAFF plasma concentrations could be part of inflammatory responses associated with P. vivax and P. falciparum malaria in patients from the Brazilian Amazon. METHODS: Blood samples were obtained from P. vivax and P...
January 3, 2018: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/29310972/porto-mesenteric-venous-thrombosis-after-laparoscopic-sleeve-gastrectomy-a-case-report-and-systematic-review-of-the-104-cases
#4
Kerem Karaman, Mehmet Aziret, Ali Bal, Volkan Öter, Metin Ercan, Erdal Birol Bostancı
INTRODUCTION: Porto-mesenteric venous thrombosis (PMVT) is a rare but fatal complication after bariatric surgery. However, an increasing number of PMVT complications have been observed in the last years after laparoscopic sleeve gastrectomy (LSG) operations. CASE REPORT: A 35-year-old male was admitted to the emergency clinic in a septic status with a sudden once of abdominal pain and vomiting. The patient underwent laparoscopic sleeve gastrectomy (LSG) 15 days ago...
January 5, 2018: Obesity Research & Clinical Practice
https://www.readbyqxmd.com/read/29306471/correlation-between-frequency-domain-optical-coherence-tomography-and-fractional-flow-reserve-in-angiographically-intermediate-coronary-lesions
#5
Francesco Burzotta, Roberto Nerla, Jonathan Hill, Lazzaro Paraggio, Antonio Maria Leone, Jonathan Byrne, Italo Porto, Giampaolo Niccoli, Cristina Aurigemma, Carlo Trani, Philip MacCarthy, Filippo Crea
BACKGROUND: The decision-making process of patients with angiographically-intermediate coronary lesions (ICL) is clinically challenging and may benefit from adjunctive invasive techniques. Fractional-flow-reserve (FFR) represents the gold standard to evaluate ICL but frequency-domain optical-coherence-tomography (OCT) is a novel, promising, high resolution coronary imaging technique, which allows physiopathologic assessment of coronary plaque. We investigated the possible relation between OCT and FFR in selected ICL patients...
February 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29302800/analysis-of-fungi-in-aerosols-dispersed-by-high-speed-pens-in-dental-clinics-from-teresina-piaui-brazil
#6
Aline Maria Alves Vilarinho Oliveira, Rômulo Maia de Alencar, Jhonatas Cley Santos Porto, Isla Rita Brito Fontenele Ramos, Iraci Salmito Noleto, Tanit Clementino Santos, Mitra Mobin
This quantitative and qualitative study aimed to evaluate the level of fungal contamination in aerosols dispersed by high rotation pens in dental clinics from Teresina, Piaui, Brazil. The data were collected during the attendance at two dental clinics. Petri dishes containing Sabouraud agar with chloramphenicol were opened for 15 min in the following places: in front of the chair, on the partitions to the right and left of the chair, and in the neighboring workbench. The plates were incubated at room temperature to allow the fungal growth and subsequent species identification...
January 4, 2018: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29301762/inequalities-in-access-to-cardiac-rehabilitation-after-an-acute-coronary-syndrome-the-epiheart-cohort
#7
Marta Viana, Andreia Borges, Carla Araújo, Afonso Rocha, Ana I Ribeiro, Olga Laszczyńska, Paula Dias, Maria J Maciel, Ilídio Moreira, Nuno Lunet, Ana Azevedo
OBJECTIVES: To estimate cardiac rehabilitation (CR) referral and participation rates among patients with acute coronary syndrome (ACS) and to identify their determinants, in two Portuguese regions. DESIGN: Prospective cohort study. SETTING: Patients consecutively admitted to the cardiology department of two hospitals, one in the district of Porto and one in the north-east region (NER) of Portugal, were enrolled in the EPIHeart cohort and then followed up for 6 months...
January 3, 2018: BMJ Open
https://www.readbyqxmd.com/read/29299611/bone-morphology-and-morphometry-of-the-lateral-femoral-condyle-is-a-risk-factor-for-acl-injury
#8
Sebastiano Vasta, Renato Andrade, Rogério Pereira, Ricardo Bastos, Antonino Giulio Battaglia, Rocco Papalia, João Espregueira-Mendes
PURPOSE: The purpose of this study was to investigate the influence of the knee lateral compartment bony morphology and morphometry on risk of sustaining an anterior cruciate ligament (ACL) injury. METHODS: A total of 400 age and sex-matched patients (200 ACL-ruptured and 200 ACL-intact) were included. The lateral femoral and tibial bone morphology and morphometric parameters were measured on knee lateral radiographs, taken at 30° of knee flexion with overlapping of the femoral condyles...
January 3, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29295016/cyberbullying-among-adolescents-the-influence-of-different-modes-of-inquiry
#9
Sandra Brochado, Sílvia Fraga, Sara Soares, Elisabete Ramos, Henrique Barros
The use of different modes of inquiry about interpersonal violence experiences may result in different frequency estimates. Thus, we measured the frequency and identified the factors associated with cyberbullying among urban school-going adolescents using different tools. Participants were enrolled at the four largest public schools in Porto for seventh- to 12th-grade students and were evaluated during the 2014-2015 academic year. We studied 2,624 adolescents (1,186 males and 1,438 females), 60% of all eligible students...
November 1, 2017: Journal of Interpersonal Violence
https://www.readbyqxmd.com/read/29294707/physical-violence-against-children-and-adolescents-in-porto-a-5-year-study
#10
Humberto Gomes Vidal, Inês Morais Caldas, Arnaldo de França Caldas, Luiz Gutenberg Toledo de Miranda Coelho Júnior, Eliane Helena Alvim de Souza, Maria Lurdes Pereira
The aim of the present study was to analyze the prevalence of physical violence against children and adolescents (PVCA) in a 5-year period in the city of Porto, Portugal. All forensic reports between 2009 and 2013 in the clinical services of the North Branch of the National Institute of Legal Medicine and forensic sciences were analyzed. Victims were classified according to sex, age, relationship with perpetrator, traumatic consequences of the event, and year of occurrence. Statistical analysis was performed using SPSS (Version 22...
April 1, 2017: Journal of Interpersonal Violence
https://www.readbyqxmd.com/read/29290465/selenium-utilization-by-gpx4-is-required-to-prevent-hydroperoxide-induced-ferroptosis
#11
Irina Ingold, Carsten Berndt, Sabine Schmitt, Sebastian Doll, Gereon Poschmann, Katalin Buday, Antonella Roveri, Xiaoxiao Peng, Florencio Porto Freitas, Tobias Seibt, Lisa Mehr, Michaela Aichler, Axel Walch, Daniel Lamp, Martin Jastroch, Sayuri Miyamoto, Wolfgang Wurst, Fulvio Ursini, Elias S J Arnér, Noelia Fradejas-Villar, Ulrich Schweizer, Hans Zischka, José Pedro Friedmann Angeli, Marcus Conrad
Selenoproteins are rare proteins among all kingdoms of life containing the 21st amino acid, selenocysteine. Selenocysteine resembles cysteine, differing only by the substitution of selenium for sulfur. Yet the actual advantage of selenolate- versus thiolate-based catalysis has remained enigmatic, as most of the known selenoproteins also exist as cysteine-containing homologs. Here, we demonstrate that selenolate-based catalysis of the essential mammalian selenoprotein GPX4 is unexpectedly dispensable for normal embryogenesis...
December 16, 2017: Cell
https://www.readbyqxmd.com/read/29290127/image-guidance-in-transdiscal-fixation-for-high-grade-spondylolisthesis-in-adults-with-correct-spinal-balance
#12
Juan Delgado-Fernández, Paloma Pulido, María Ángeles García-Pallero, Guillermo Blasco, Natalia Frade-Porto, Rafael G Sola
OBJECTIVE Spondylolisthesis is a prevalent spine disease that recent studies estimate could be detected in 9% of the population. High-grade spondylolisthesis (HGS), however, is much less frequent, which makes it difficult to develop a general recommendation for its treatment. Posterior transdiscal fixation was proposed in 1994 for HGS, and the use of spine navigation could make this technique more accessible and reduce the morbidity associated with the procedure. The purpose of this study was to present a case series involving adult patients with HGS and correct spinal alignment who were treated with transdiscal pedicle screw placement guided with neuronavigation and compare the results to those achieved previously without image guidance...
January 2018: Neurosurgical Focus
https://www.readbyqxmd.com/read/29287355/exploring-a-volatomic-based-strategy-for-a-fingerprinting-approach-of-vaccinium-padifolium-l-berries-at-different-ripening-stages
#13
Priscilla Porto-Figueira, José A Figueira, Pedro Berenguer, José S Câmara
The effect of ripening on the evolution of the volatomic pattern from endemic Vaccinium padifolium L. (Uveira) berries was investigated using headspace-solid phase microextraction (HS-SPME) followed by gas chromatography/quadrupole-mass spectrometry (GC-qMS) and multivariate statistical analysis (MVA). The most significant HS-SPME parameters, namely fibre polymer, ionic strength and extraction time, were optimized in order to improve extraction efficiency. Under optimal experimental conditions (DVB/CAR/PDMS fibre coating, 40°C, 30min extraction time and 5g of sample amount), a total of 72 volatiles of different functionalities were isolated and identified...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29286019/rothia-mucilaginosa-bacteraemia-in-an-immunocompetent-paediatric-patient-a-new-pathogen-to-take-into-account-a-case-report
#14
Silvia Luque-Pérez, Elena Cobos-Carrascosa, Jessica Guarino-Narváez, Verónica Fernández-Puentes, José M Eiros, Antonio Sánchez-Porto
Rothia mucilaginosa, previously known as Stomatococcus mucilaginosus, is a Gram-positive coccus that is part of the oropharyngeal microbiota and upper respiratory tract. It is mainly related to infections in immunosuppressed patients. Given its complex microbiological identification, its prevalence may be underestimated. We describe in this article a case of bacteraemia by Rothia in an immunocompetent paediatric patient without epidemiological or medical relevant history. In the available literature no cases of bacteraemia by Rothia mucilaginosa in immunocompetent paediatric patients have been reported...
December 1, 2017: Le Infezioni in Medicina
https://www.readbyqxmd.com/read/29285743/brazilian-kefir-fermented-sheep-s-milk-a-source-of-antimicrobial-and-antioxidant-peptides
#15
Meire Dos Santos Falcão de Lima, Roberto Afonso da Silva, Milena Fernandes da Silva, Paulo Alberto Bezerra da Silva, Romero Marcos Pedrosa Brandão Costa, José António Couto Teixeira, Ana Lúcia Figueiredo Porto, Maria Taciana Holanda Cavalcanti
Fermented milks are a source of bioactive peptides and may be considered as functional foods. Among these, sheep's milk fermented with kefir has not been widely studied and its most relevant properties need to be more thoroughly characterized. This research study is set out to investigate and evaluate the antioxidant and antimicrobial properties of peptides from fermented sheep's milk in Brazil when produced by using kefir. For this, the chemical and microbiological composition of the sheep's milk before and after the fermentation was evaluated...
December 28, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29281052/mite-fauna-assessment-in-houses-of-two-distinct-socioeconomic-groups-from-southern-brazil
#16
Moisés S Dutra, Cristian Roncada, Guilherme L da Silva, Noeli J Ferla, Paulo M Pitrez
House dust mites (HDM) are the main source of aeroallergens worldwide, yet epidemiological differences between socioeconomic factors in association with this medical condition have not been studied in the south region of Brazil. To assess the prevalence of HDM in two socioeconomically distinct populations of patients with allergic asthma or rhinitis, the differences between samples from houses of high-income families and low-income families were analyzed. Mite samples were collected between July and December 2015, in Porto Alegre, Brazil...
December 21, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29250982/antimicrobial-activity-of-denture-adhesive-associated-with-equisetum-giganteum-and-punica-granatum-enriched-fractions-against-candida-albicans-biofilms-on-acrylic-resin-surfaces
#17
Nara Ligia Martins Almeida, Luiz Leonardo Saldanha, Rafaela Alves da Silva, Karen Henriette Pinke, Eliane Ferraz da Costa, Vinicius Carvalho Porto, Anne Lígia Dokkedal, Vanessa Soares Lara
Candida biofilms adhere to the internal surface of removable dentures, which is an etiological factor in the pathogenesis of denture stomatitis (DS). Adhesive materials are used at the base of maxillary complete dentures to improve their retention and chewing qualities. This article reports the antimicrobial activity of the enriched fractions of Equisetum giganteum and Punica granatum incorporated into a denture adhesive against C. albicans biofilm. The biofilms were induced on the surface of heat-cured acrylic resin specimens that were previously treated with a mixture of adhesive/herb extracts...
December 18, 2017: Biofouling
https://www.readbyqxmd.com/read/29239470/nutritional-knowledge-and-body-mass-index-a-cross-sectional-study
#18
Julia Luzzi Valmórbida, Maíra Ribas Goulart, Fernanda Michielin Busnello, Lúcia Campos Pellanda
OBJECTIVE: To verify the knowledge about food and nutrition and its association with the nutritional status of obese patients with noncommunicable diseases (NCDs), and to identify the relationship between information sources and level of knowledge. METHOD: Cross-sectional study that included 263 outpatients of a cardiology referral hospital in Porto Alegre, Rio Grande do Sul, Brazil. The participants filled out a questionnaire on socioeconomic data and knowledge about food and nutrition and had their nutritional status evaluated by body mass index (BMI), waist circumference (WC) and waist-hip ratio (WHR)...
September 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/29236864/biomarkers-as-predictors-of-mortality-in-critically-ill-patients-with-solid-tumors
#19
Audrey M Dos Reis, Ana V G Fruchtenicht, Luiza C DE Athaydes, Sérgio Loss, Luis Fernando Moreira
Biochemical markers produced by the affected organ or body in response to disease have gained high clinical value due to assess disease development and being excellent predictors of morbidity and mortality. The aim of this study is to analyze different biochemical markers in critically cancer patients and to determine which of them can be used as predictors of mortality. This is a prospective, cross-sectional study conducted at a University Hospital in Porto Alegre - RS. Screening was done to include patients in the study...
December 11, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/29236848/histopatology-of-the-reproductive-tract-of-nellore-pubertal-heifers-with-genital-ureaplasmosis
#20
Regiani Pôrto, Benedito Oliveira Filho, Henrique Ferraz, Luciano Caixeta, Marco Antonio Viu, Maria Lúcia Gambarini
In order to study and characterize the lesions in the reproductive tract of Nellore heifers naturally infected with Ureaplasma diversum and presenting granular vulvovaginitis syndrome (GVS), fragments of uterine tube, uterus, cervix, vagina and vulva of 20 animals were evaluated. The macroscopic lesions of the vulvovaginal mucosa were classified in scores of "1" mild, until "4", severe inflammation and pustular or necrotic lesions. The histopathological evaluation was performed using scores of "1" to "4", according to the inflammatory alterations...
December 7, 2017: Anais da Academia Brasileira de Ciências
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