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https://www.readbyqxmd.com/read/28426904/in-vitro-study-of-the-proliferation-and-growth-of-human-fetal-osteoblasts-on-mg-and-si-co-substituted-tricalcium-phosphate-ceramics
#1
Juan Parra, Ismael H García Páez, Antonio H De Aza, Carmen Baudin, M Rocío Martín, Pilar Pena
The objective of this work was to study the feasibility of the solid state sintering, a conventional ceramic processing method, to obtain Mg and Si co-substituted tricalcium phosphate bioceramics and composites containing diopside. A series of new Ca3 (PO4 )2 based ceramics has been prepared from attrition milled mixtures of synthetic Ca3 (PO4 )2 and CaMg(SiO3 )2 powders, isostatically pressed and sintered at 1250-1300°C. Materials containing 0, 1 and 5 wt.% of CaMg(SiO3 )2 were constituted by β + α - Ca3 (PO4 )2 solid solutions while the material containing 60 wt...
April 20, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28423825/hemic-project-design-of-a-clinical-information-modelling-tool-based-on-iso13972-technical-specification
#2
Alberto Moreno-Conde, Francisco Sanchez-Laguna, Bidatzi Marin-Bastida, Antonio Romero-Tabares, Eva Martin-Sánchez, Dipak Kalra, Carlos Luis Parra-Calderón
The Andalusian Health Service is the public healthcare provider for 8.302.923 inhabitants in the South Spain. This organization coordinates primary and specialized care with an IT infrastructure composed by multiple Electronic Health Record Systems. According to the large volume of healthcare professionals involved, there is a need for providing a consistent management of information through multiple locations and systems. The HEMIC project aims to address this need developing and validating a methodology based on a software tool for standardizing information contained within EHR systems...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28423763/learning-healthcare-system-for-the-prescription-of-genetic-testing-in-the-gynecological-cancer-risk
#3
Cristina Suárez-Mejías, Alicia Martínez-García, María Ángeles Martínez-Maestre, José Manuel Silvan-Alfaro, Jesús Moreno Conde, Carlos Luis Parra-Calderón
Clinical evidence demonstrates that BRCA 1 and BRCA2 mutations can develop a gynecological cancer but genetic testing has a high cost to the healthcare system. Besides, several studies in the literature indicate that performing these genetic tests to the population is not cost-efficient. Currently, our physicians do not have a system to provide them the support for prescribing genetic tests. A Decision Support System for prescribing these genetic tests in BRCA1 and BRCA2 and preventing gynecological cancer risks has been designed, developed and deployed in the Virgen del Rocío University Hospital (VRUH)...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28423612/correction-nebivolol-a-%C3%AE-1-adrenergic-blocker-protects-from-peritoneal-membrane-damage-induced-during-peritoneal-dialysis
#4
Georgios Liappas, Guadalupe González-Mateo, Anna Rita Aguirre, Hugo Abensur, Patricia Albar-Vizcaino, Emilio González Parra, Pilar Sandoval, Laura García Ramírez, Gloria Del Peso, Juan Manuel Acedo, María A Bajo, Rafael Selgas, José A Sánchez Tomero, Manuel López-Cabrera, Abelardo Aguilera
No abstract text is available yet for this article.
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28420306/diffuse-large-b-cell-lymphoma-in-a-patient-with-necrotizing-fasciitis-secondary-to-silicone-biopolymer-implants-in-buttock
#5
Andres Mosquera-Zamudio, Rafael Parra-Medina, Liliana Moreno, German Paez Lopez, Giovanni Montealegre Gomez, Samuel D Morales
No abstract text is available yet for this article.
April 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28417876/insulin-resistance-and-%C3%AE-cell-function-in-colombian-mestizo-and-embera-cham%C3%A3-populations-and-their-relation-with-adiposity-degree
#6
María Antonieta Caro-Gomez, Andrés Naranjo-González, María Victoria Parra-Marín, Natalia Gallego-Lopera, Diana María Valencia, Diana Carolina Rúa-Molina, Javier Rosique-Gracia, Andres Felipe García-Pineda, Luis Felipe Gómez-Isaza, Norman Diego Pizano-Ramírez, Edgar Gerardo Arcos, Alberto Villegas-Perrasse, Julieta Duque-Botero, Gabriel Bedoya-Berrío
BACKGROUND AND OBJECTIVE: Insulin resistance (IR) is a condition favored by metabolic and endocrine changes experienced by adipose tissue in the context of obesity. The prevalence and the presentation of both IR and obesity vary among the populations, and may be affected by ancestral genetic composition among other factors. The aim of this study was to compare the presence of IR and obesity in Amerindians of the Embera-Chamí ethnicity and Colombian mestizo population. PATIENTS AND METHODS: A sample of 630 individuals, 471 mestizos and 159 Amerindians of the Embera-Chamí ethnicity, from the general population of Colombia were studied...
April 2017: Endocrinol Diabetes Nutr
https://www.readbyqxmd.com/read/28417422/selection-of-an-artificial-diet-for-laboratory-rearing-of-opogona-sacchari-lepidoptera-tineidae-bojer-1856
#7
A Coelho, J M Milanez, R de Andrade Moral, C G B Demétrio, J R P Parra
The banana moth Opogona sacchari (Bojer) (Lepidoptera: Tineidae) is a polyphagous pest that can cause serious damage, in particular to banana crops in southern Brazil. The insect is a quarantine pest in several countries, including Argentina, the main consumer market for bananas from southern Brazil. Little information is available about the biology and ecology of this moth, such as a suitable diet for laboratory rearing. In order to provide support for integrated pest management of the pest, this study furnished data for selecting two diets suitable for continuous laboratory rearing of O...
April 17, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28416255/differences-between-2nd-and-3rd-generation-seric-parathormone-determination-methods-on-mortality-in-haemodialysis-patients
#8
Laura Rodríguez-Osorio, Concepción de la Piedra, Mercedes Rupert, Marta Martín-Fernández, María Luisa González Casaus, Carolina Gracia-Iguacel, Jesús Egido, Ricardo Villa-Bellosta, Emilio González Parra
Parathormone plays a key role in controlling mineral metabolism. PTH is considered a uremic toxin causing cardiovascular damage and cardiovascular mortality in dialysis patients. There are two different assays to measure PTH called 2nd generation or intact PTH (iPTH) and 3rd generation or bioPTH (PTHbio). OBJECTIVE: To evaluate the differences in mortality of dialysis patients between both assays to measure PTH, as well as the possible prognostic role of the PTHbio/iPTH ratio. METHODS: 145 haemodialysis patients were included with 2-year monitoring including baseline laboratory test and annually thereafter...
April 14, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28415538/fabrication-of-polypropylene-silver-nanocomposites-for-biocidal-applications
#9
Washington Luiz Oliani, Duclerc Fernandes Parra, Luiz Gustavo Hiroki Komatsu, Nilton Lincopan, Vijaya Kumar Rangari, Ademar Benevolo Lugao
This paper presents a study on biocidal effect of polymer nanocomposite films of gamma irradiated polypropylene (PP) and silver nanoparticles. The modified polypropylene was obtained from isotactic polypropylene (iPP) in pellets form by irradiation with gamma rays in the presence of acetylene. A new morphology with long chain branching of PP and distinct rheology is obtained by this process. The blend of 50/50wt% neat PP and PP modified by gamma radiation were further mixed using a twin screw extruder. The AgNPs were infused into this polymer blend at different concentrations of: 0...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28414695/imaging-criteria-to-predict-surgical-difficulties-during-stapes-surgery
#10
Claire Parra, Stéphanie Trunet, Benjamin Granger, Yann Nguyen, Georges Lamas, Daniele Bernardeschi, Rémi Hervochon, Frédéric Tankere
BACKGROUND AND PURPOSE: Stapes surgery for otosclerosis can be challenging if access to the oval window niche is restricted. The aim of this study was to determine the accuracy of the computed tomographic (CT) scan in the evaluation of anatomical distances, and to analyze its reliability in predicting surgical technical difficulties. MATERIAL AND METHODS: A total of 96 patients (101 ears) were enrolled in a prospective study between 2012 and May 2015. During surgery, we evaluated the distance D1 between the stapes and the facial nerve, distance D2 between the promontory and the facial nerve after ablation of the superstructure, and the intraoperative discomfort of the surgeon...
April 13, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28410571/pre-and-post-surgical-evaluation-of-the-inflammatory-response-in-patients-with-aortic-stenosis-treated-with-different-types-of-prosthesis
#11
Maria Elena Soto, Jose Luis Salas, Jesus Vargas-Barron, Ricardo Marquez, Alejandra Rodriguez-Hernandez, Rafael Bojalil-Parra, Israel Pérez-Torres, Veronica Guarner-Lans
BACKGROUND: The inflammatory process in aortic valvular stenosis persists after surgery to replace the valve in almost half of the patients. No association has been found to its persistence. The main objective of this study was to evaluate the inflammatory response in patients with aortic stenosis through the determination of several biomarkers in plasma measured before and after the valvular replacement and to seek an association with the type of prosthesis used. METHODS: This is an observational study with a follow up of 6 months in subjects with severe aortic stenosis...
April 14, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28402194/words-can-hurt-the-effects-of-physical-and-psychological-partner-violence-on-condom-negotiation-and-condom-use-among-young-women
#12
Courtney Peasant, Tami P Sullivan, Tiarney D Ritchwood, Gilbert R Parra, Nicole H Weiss, Jaimie P Meyer, James G Murphy
Physical and psychological intimate partner violence (IPV) are prevalent on college campuses and may affect young women's condom use behavior. This study explored condom negotiation as a mediator of the relation of physical and psychological IPV to condom use among college women. A total of 235 heterosexual college women were recruited during September 2012-May 2013. Participants completed online questionnaires assessing lifetime history of IPV, frequency of condom negotiation, and use of condoms during the last 30 days...
April 12, 2017: Women & Health
https://www.readbyqxmd.com/read/28399893/ultrasound-guided-steroid-tendon-sheath-injections-in-juvenile-idiopathic-arthritis-a-10-year-single-center-retrospective-study
#13
Shannon E Peters, Ronald M Laxer, Bairbre L Connolly, Dimitri A Parra
BACKGROUND: The aims of this study were to: (a) Identify tendon sheaths most commonly treated with steroid injections in a pediatric patient population with Juvenile Idiopathic Arthritis (JIA); (b) Describe technical aspects of the procedure; (c) Characterize sonographic appearance of tenosynovitis in JIA; (d) Assess agreement between clinical request and sites injected. METHODS: This was a 10 year single-center retrospective study (May 2006-April 2016) of patients with JIA referred by Rheumatology for ultrasound-guided tendon sheath injections...
April 11, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28398657/study-exploring-the-effects-of-daily-supplementation-with-400-%C3%AE-g-of-folic-acid-on-the-nutritional-status-of-folate-in-women-of-reproductive-age
#14
Laidy D Arias, Beatriz E Parra, Angélica M Muñoz, Diana L Cárdenas, Tiffany G Duque, Luz M Manjarrés
BACKGROUND: This investigation determines the nutritional state of serum and red blood cell (RBC) folate concentration and their relation with intake of folate, B6 ,and B12 , with serum vitamin B12 , and with genetic variants after provision of 400 μg/day of folic acid for 3 months to a group of 34 Colombian women of reproductive age. METHODS: We evaluated nutrient intake using 24-hr recall, assessing the levels of serum folate, RBC folate, serum B12 , and homocysteine, as well as determining genetic variants of the enzyme MTHFR (C677T and A1298C) and CβS (844ins68pb)...
March 15, 2017: Birth Defects Res
https://www.readbyqxmd.com/read/28398357/a-resource-for-assessing-information-processing-in-the-developing-brain-using-eeg-and-eye-tracking
#15
Nicolas Langer, Erica J Ho, Lindsay M Alexander, Helen Y Xu, Renee K Jozanovic, Simon Henin, Agustin Petroni, Samantha Cohen, Enitan T Marcelle, Lucas C Parra, Michael P Milham, Simon P Kelly
We present a dataset combining electrophysiology and eye tracking intended as a resource for the investigation of information processing in the developing brain. The dataset includes high-density task-based and task-free EEG, eye tracking, and cognitive and behavioral data collected from 126 individuals (ages: 6-44). The task battery spans both the simple/complex and passive/active dimensions to cover a range of approaches prevalent in modern cognitive neuroscience. The active task paradigms facilitate principled deconstruction of core components of task performance in the developing brain, whereas the passive paradigms permit the examination of intrinsic functional network activity during varying amounts of external stimulation...
April 11, 2017: Scientific Data
https://www.readbyqxmd.com/read/28397755/acute-hypoglycemic-and-antidiabetic-effect-of-teuhetenone-a-isolated-from-turnera-diffusa
#16
Aída Parra-Naranjo, Cecilia Delgado-Montemayor, Alejandra Fraga-López, Gabriela Castañeda-Corral, Ricardo Salazar-Aranda, Juan José Acevedo-Fernández, Noemi Waksman
Diabetes mellitus is a chronic degenerative disease that causes long-term complications and represents a serious public health problem. Turnera diffusa (damiana) is a shrub that grows throughout Mexico and is traditionally used for many illnesses including diabetes. Although a large number of plant metabolites are known, there are no reports indicating which of these are responsible for this activity, and this identification was the objective of the present work. Through bioassay-guided fractionation of a methanolic extract obtained from the aerial part of T...
April 8, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28395175/oxygen-and-oxidative-stress-in-the-perinatal-period
#17
REVIEW
Isabel Torres-Cuevas, Anna Parra-Llorca, Angel Sánchez-Illana, Antonio Nuñez-Ramiro, Julia Kuligowski, Consuelo Cháfer-Pericás, María Cernada, Justo Escobar, Máximo Vento
Fetal life evolves in a hypoxic environment. Changes in the oxygen content in utero caused by conditions such as pre-eclampsia or type I diabetes or by oxygen supplementation to the mother lead to increased free radical production and correlate with perinatal outcomes. In the fetal-to-neonatal transition asphyxia is characterized by intermittent periods of hypoxia ischemia that may evolve to hypoxic ischemic encephalopathy associated with neurocognitive, motor, and neurosensorial impairment. Free radicals generated upon reoxygenation may notably increase brain damage...
March 12, 2017: Redox Biology
https://www.readbyqxmd.com/read/28394962/-understanding-current-therapies-in-metastatic-melanoma
#18
Rocío Rodríguez, Angela Parra, Sergio González, Montserrat Molgó, Nicolás Droppelmann, Francisco Acevedo, José Peña, Pablo Uribe
Cutaneous melanoma is a highly aggressive tumor developing from melanocytes, its incidence is increasing, and prognosis in advanced stages is daunting. New therapies have been approved during the recent years with unprecedented results, including inhibitors of MAPK/ERK pathway and immune checkpoint blockade (anti-cytotoxic T lymphocyte antigen-4 (CTLA-4) as ipilimumab, anti-programmed cell death protein 1 (PD-L1) as pembrolizumab and anti-programmed cell death protein 1 ligand (PD-L1), among many others). The aim of this paper is to review currently available metastatic melanoma therapies focusing mainly on new therapies that have demonstrated effectiveness, after several decades of little progress in the treatment of this disease...
November 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/28392019/the-importance-of-bisphenol-a-an-uraemic-toxin-from-exogenous-sources-in-haemodialysis-patients
#19
Sebastián Mas, Jesús Egido, Emilio González-Parra
No abstract text is available yet for this article.
April 6, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28386773/lioptilodes-friasi-lepidoptera-pterophoridae-niche-breadth-in-the-chilean-mediterranean-matorral-biome-trophic-and-altitudinal-dimensions
#20
Héctor A Vargas, Sergio Rasmann, Pamela Ramirez-Verdugo, Cristian A Villagra
Understanding the factors driving the diet breadth of phytophagous insects remains one of the main questions in ecological research. In this study we explored the diet breadth and plant-insect associations in the plume moth Lioptilodes friasi Vargas & Parra (Lepidoptera: Pterophoridae). This phytophagous insect was originally described in association with a single host species, Haplopappus foliosus (Asteraceae), a native shrub of the Chilean Mediterranean matorral. In order to address the breadth of host plant choice, we surveyed other Haplopappus species growing along the elevation gradient of central Chile from sea level to 2600 m...
April 6, 2017: Neotropical Entomology
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