105 resultados para LYRA, CARMEN,


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Objective: Aerosol delivery holds potential to release surfactant or perfluorocarbon (PFC) to the lungs of neonates with respiratory distress syndrome with minimal airway manipulation. Nevertheless, lung deposition in neonates tends to be very low due to extremely low lung volumes, narrow airways and high respiratory rates. In the present study, the feasibility of enhancing lung deposition by intracorporeal delivery of aerosols was investigated using a physical model of neonatal conducting airways. Methods: The main characteristics of the surfactant and PFC aerosols produced by a nebulization system, including the distal air pressure and air flow rate, liquid flow rate and mass median aerodynamic diameter (MMAD), were measured at different driving pressures (4-7 bar). Then, a three-dimensional model of the upper conducting airways of a neonate was manufactured by rapid prototyping and a deposition study was conducted. Results: The nebulization system produced relatively large amounts of aerosol ranging between 0.3 +/- 0.0 ml/min for surfactant at a driving pressure of 4 bar, and 2.0 +/- 0.1 ml/min for distilled water (H(2)Od) at 6 bar, with MMADs between 2.61 +/- 0.1 mu m for PFD at 7 bar and 10.18 +/- 0.4 mu m for FC-75 at 6 bar. The deposition study showed that for surfactant and H(2)Od aerosols, the highest percentage of the aerosolized mass (similar to 65%) was collected beyond the third generation of branching in the airway model. The use of this delivery system in combination with continuous positive airway pressure set at 5 cmH(2)O only increased total airway pressure by 1.59 cmH(2)O at the highest driving pressure (7 bar). Conclusion: This aerosol generating system has the potential to deliver relatively large amounts of surfactant and PFC beyond the third generation of branching in a neonatal airway model with minimal alteration of pre-set respiratory support.

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Objective: to analyze what nursing models and nursing assessment structures have been used in the implementation of the nursing process at the public and private centers in the health area Gipuzkoa (Basque Country). Method: a retrospective study was undertaken, based on the analysis of the nursing records used at the 158 centers studied. Results: the Henderson model, Carpenito's bifocal structure, Gordon's assessment structure and the Resident Assessment Instrument Nursing Home 2.0 have been used as nursing models and assessment structures to implement the nursing process. At some centers, the selected model or assessment structure has varied over time. Conclusion: Henderson's model has been the most used to implement the nursing process. Furthermore, the trend is observed to complement or replace Henderson's model by nursing assessment structures.

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Fibromyalgia is a disabling syndrome. Results obtained with different therapies are very limited to date.The goal of this study was to verify whether the application of a mindfulnessbased training program was effective in modifying anger, anxiety, and depression levels in a group of women diagnosed with fibromyalgia. This study is an experimental trial that employed a waiting list control group. Measures were taken at three different times: pretest, posttest, and follow-up. The statistical analyses revealed a significant reduction of anger (trait) levels, internal expression of anger, state anxiety, and depression in the experimental group as compared to the control group, as well as a significant increase in internal control of anger. It can be concluded that the mindfulness-based treatment was effective after 7 weeks. These results were maintained 3 months after the end of the intervention.

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Trabajo realizado dentro del Grupo de Investigación «Tradiciones Clásicas» de la UPV/EHU (GIU-07-26)

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[ES] En el documento se presenta una revisión de la literatura referente al discurso en el estudio de las organizaciones, que parte de sus fundamentos teóricos y sus principales aportes. La unidad de análisis fueron 88 textos seleccionados en una revisión sistemática de 5.509 artículos, publicados entre 2000 y 2012, en diez de las principales revistas internacionales relacionadas con la temática definida. Para relevar y categorizar los datos pertinentes, se utilizó el software de investigación cualitativa Atlas.ti, versión 6.2. La comprensión de la información se complementó con métodos de análisis de contenido y de frecuencia. De los principales resultados se infirieron cuatro dimensiones del discurso: instrumental, simbólica, estratégica y comunicacional. Además, se realizó una clasificación de los artículos con base en los enfoques sobre el discurso y las temáticas organizacionales estudiadas. Los aportes encontrados en dicha revisión permiten plantear que el discurso no solo es lo dicho sino también aquello que ha sido silenciado en la organización, campo de investigación que ha sido poco explorado en los textos analizados. Este artículo realiza contribuciones importantes para el área administrativa y organizacional, en especial para todos aquellos profesionales que se interesen por el análisis de las organizaciones desde la perspectiva del discurso, tanto en la academia como en la asesoría e intervención en ellas.

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[ES] Durante la última década surge un interés por el estudio de la estructura de propiedad como elemento determinante de la diversificación. Sin embargo, existe una carencia de investigaciones que analicen la influencia de la naturaleza del último propietario en el nivel y tipo de diversificación. Por ello, el objeto del presente trabajo es analizar las estrategias de diversificación empleadas por los grandes grupos empresariales españoles cuya empresa matriz cotiza en los mercados de valores, estudiando las diferencias existentes entre grupos familiares y no familiares, y considerando en estos últimos la naturaleza del último propietario. Se parte de una muestra de noventa y nueve grupos empresariales, donde se identifican las compañías que constituyen el grupo empresarial, siendo empleadas como metodologías econométricas los modelos logísticos binomiales y los modelos datos panel. Los resultados muestran como la naturaleza familiar del grupo influye positivamente en la especialización y en el empleo de estrategias de diversificación relacionada, y negativamente en el empleo de estrategias de diversificación no relacionada. Los grupos familiares difieren en mayor medida de aquellos grupos no familiares donde no existe un accionista de referencia que pueda ejercer el control efectivo del grupo y la dispersión de la propiedad es mayor, los denominados grupos sin control efectivo . La investigación permite profundizar en el análisis de las diferencias existentes entre grupos familiares y no familiares, y más concretamente en el ámbito de las estrategias de crecimiento, considerando la naturaleza del último propietario de los grupos no familiares.

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[ES] En el presente trabajo se ha tratado de analizar la evolución de las políticas tecnológicas y de innovación en la Comunidad Autónoma de Euskadi (CAE), en las últimas tres décadas, prestando especial atención a la política de clusters. Es evidente el avance tecnológico e innovador experimentado por Euskadi en este período, basado en la estrecha cooperación desarrollada entre las universidades, las instituciones públicas y las empresas privadas. En este marco, la CAE fue pionera en el diseño y puesta en marcha de una política de clusters a principios de los años noventa. Tras más de dos décadas de funcionamiento de dicha política, ésta parece haberse consolidado existiendo en la actualidad 13 asociaciones cluster en Euskadi.

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Background: In this study we describe the clinical and molecular characteristics of an outbreak due to carbapenem-resistant Klebsiella pneumoniae (CR-KP) producing CTX-M-15 and OXA-48 carbapenemase. Isogenic strains, carbapenem-susceptible K. pneumoniae (CS-KP) producing CTX-M-15, were also involved in the outbreak. Results: From October 2010 to December 2012 a total of 62 CR-KP and 23 CS-KP were isolated from clinical samples of 42 patients (22 had resistant isolates, 14 had susceptible isolates, and 6 had both CR and CS isolates). All patients had underlying diseases and 17 of them (14 patients with CR-KP and 3 with CS-KP) had received carbapenems previously. The range of carbapenem MICs for total isolates were: imipenem: 2 to >32 mu g/ml vs. <2 mu g/ml; meropenem: 4 to >32 mu g/ml vs. <2 mu g/ml; and ertapenem: 8 to >32 mu g/ml vs. <2 mu g/ml. All the isolates were also resistant to gentamicin, ciprofloxacin, and cotrimoxazole. Both types of isolates shared a common PFGE pattern associated with the multilocus sequence type 101 (ST101). The bla(CTX-M-15) gene was detected in all the isolates, whereas the bla(OXA-48) gene was only detected in CR-KP isolates on a 70 kb plasmid. Conclusions: The clonal spread of K. pneumoniae ST101 expressing the OXA-48 and CTX-M-15 beta-lactamases was the cause of an outbreak of CR-KP infections. CTX-M-15-producing isolates lacking the blaOXA-48 gene coexisted during the outbreak.

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[EN]This research had as primary objective to model different types of problems using linear programming and apply different methods so as to find an adequate solution to them. To achieve this objective, a linear programming problem and its dual were studied and compared. For that, linear programming techniques were provided and an introduction of the duality theory was given, analyzing the dual problem and the duality theorems. Then, a general economic interpretation was given and different optimal dual variables like shadow prices were studied through the next practical case: An aesthetic surgery hospital wanted to organize its monthly waiting list of four types of surgeries to maximize its daily income. To solve this practical case, we modelled the linear programming problem following the relationships between the primal problem and its dual. Additionally, we solved the dual problem graphically, and then we found the optimal solution of the practical case posed through its dual, following the different theorems of the duality theory. Moreover, how Complementary Slackness can help to solve linear programming problems was studied. To facilitate the solution Solver application of Excel and Win QSB programme were used.

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El objetivo de este trabajo se centra en el estudio de los indicadores para evaluar las políticas en el marco del Desarrollo Humano Sostenible. Para ello, comenzamos introduciendo el marco conceptual en el que se ubica el concepto de Desarrollo Humano Sostenible y exponiendo las razones de nuestro estudio. Posteriormente, revisamos la literatura en torno a los indicadores de sostenibilidad, con el fin de establecer el marco teórico en el que encuadrar la construcción de éstas. A continuación, analizamos las principales experiencias internacionales de trabajo y realizamos un análisis de algunas experiencias españolas concretas, tratando de sintetizar los aspectos clave que se observan en este tipo de herramientas. Por último, finalizamos con un epígrafe destinado a exponer las conclusiones obtenidas de este análisis, donde discutimos las oportunidades y aspectos de mejora que deben tenerse en consideración a la hora de definir unos buenos indicadores de sostenibilidad.

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Sin apenas darnos cuenta, las Tecnologías de la Información y Comunicación (TIC) han pasado a formar parte de nuestra vida, revolucionando todos los ámbitos de nuestra economía y de nuestra sociedad. Ya nada es igual a como lo era ayer. La tecnología ha cambiado tanto el modo en el que se hacen los negocios, la forma en la que nos relacionamos con los demás, como nuestros hábitos de ocio y de consumo. A lo largo del presente trabajo, analizaremos con detenimiento el fenómeno de Internet y las redes sociales, así como el impacto que están teniendo tanto en la sociedad como en el tejido empresarial español. En este marco, describiremos y haremos un análisis comparativo de las redes sociales más comunes en España, y contemplaremos las posibilidades que ofrecen éstas para su utilización en el marco de las estrategias de marketing.

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Objective: Although dobutamine is widely used in neonatal clinical practice, the evidence for its use in this specific population is not clear. We conducted a systematic review of the use of dobutamine in juvenile animals to determine whether the evidence from juvenile animal experiments with dobutamine supported the design of clinical trials in neonatal/ paediatric population. Methods: Studies were identified by searching MEDLINE (1946-2012) and EMBASE (1974-2012). Articles retrieved were independently reviewed by three authors and only those concerning efficacy and safety of the drug in juvenile animals were included. Only original articles published in English and Spanish were included. Results: Following our literature search, 265 articles were retrieved and 24 studies were included in the review: 17 focused on neonatal models and 7 on young animal models. Although the aims and design of these studies, as well as the doses and ages analysed, were quite heterogeneous, the majority of authors agree that dobutamine infusion improves cardiac output in a dose dependent manner. Moreover, the cardiovascular effects of dobutamine are influenced by postnatal age, as well as by the dose used and the duration of the therapy. There is inadequate information about the effects of dobutamine on cerebral perfusion to draw conclusions. Conclusion: There is enough preclinical evidence to ensure that dobutamine improves cardiac output, however to better understand its effects in peripheral organs, such as the brain, more specific and well designed studies are required to provide additional data to support the design of clinical trials in a paediatric population.

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Estudio y contraste de las opciones a seguir dentro de las principales partidas de gasto de la unidad familiar. Determinando en primer lugar, cuales son esa partidas principales, las posibles opciones a adquirir y costes de los mismos. Para terminar realizando un contraste financiero entre unas opciones y otras ampliando el cálculo al largo plazo.