692 research outputs found

    Seguridad Perinatal y Materna en el parto Domiciliar en comparación con el parto Hospitalario de las mujeres que cursan un embarazo sin complicaciones

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    A nivel mundial existen normas y protocolos para la atención del parto, así como para el cuidado y seguimiento del proceso de embarazo, las mismas se adecuan a los diferentes sistemas de salud y a las necesidades especiales de las usuarias. De igual forma existen diferentes alternativas para el momento de la finalización del embarazo, hay variedad de opciones que van desde la atención del parto en hospitales, centros de parto, maternidades y a nivel domiciliar. La Práctica Clínica Basada en la Evidencia permite que, ante la gran variedad de prácticas en la atención, se pueda extraer la mejor evidencia científica disponible y así poder fundamentar las decisiones y acciones que se realizan día con día en la atención de las usuarias, caso en particular resguardando la seguridad materna y perinatal. El objetivo de la presente investigación es analizar la mejor evidencia científica disponible respecto de la seguridad perinatal y materna en el parto domiciliar comparado con el hospitalario en mujeres que cursan un embarazo sin complicaciones, entre los meses de marzo y octubre de 2018. La secuencia de etapas para la recolección de información se inició con la aplicación del mapa de búsqueda en bases de datos como MEDLINE, PUBMED y COCHRANE LIBRARY, donde se aplicaron diferentes filtros y criterios de inclusión como lo son artículos publicados entre el 2012 y 2017, población delimitada a mujeres gestantes que cursen un embarazo sin complicaciones y estudios de tipo Ensayos clínicos aleatorizados, Revisiones sistemáticas o Metaanálisis. En las bases de datos se encontraron un total de 6.801 los cuales fueron revisados y en sometidos a la plataforma FLC versión 2.0, del total únicamente dos artículos con un alto nivel de evidencia permitían dan respuesta a la pregunta clínica, evidenciando que el parto domiciliar provee seguridad perinatal y materna, al igual que el parto hospitalario.  Worldwide there are rules and protocols for the care of childbirth, as well as for the care and monitoring of the pregnancy process, they are adapted to the different health systems and to the special needs of the users. Similarly, there are different alternatives for the time of end of pregnancy, there are a variety of options ranging from childbirth care in hospitals, childbirth centers, maternity homes and at home level. The Evidence-Based Clinical Practice allows that, given the wide variety of practices in care, the best available scientific evidence can be extracted and thus be able to base the decisions and actions that are carried out day by day in the care of the users, case in particular protecting maternal and perinatal safety. The objective of this research is to analyze the best available scientific evidence regarding perinatal and maternal safety in home delivery compared to hospital birth in women who are pregnant without complications, between the months of March and October 2018. The sequence of stages for the collection of information began with the application of the search map in databases such as MEDLINE, PUBMED and COCHRANE LIBRARY, where different filters and inclusion criteria were applied, such as articles published between 2012 and 2017, population delimited to pregnant women who have an uncomplicated pregnancy and type studies Randomized clinical trials, Systematic reviews or Meta-analysis. In the databases, a total of 6,801 were found, which were reviewed and submitted to the FLC version 2.0 platform, of the total only two articles with a high level of evidence allowed answering the clinical question, evidencing that home birth provides perinatal and maternal safety, as well as hospital delivery.UCR::Vicerrectoría de Investigación::Sistema de Estudios de Posgrado::Salud::Maestría Profesional en Enfermería Ginecológica, Obstétrica y Perinata

    Medio ambiente y turismo sostenible

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    Documento PDF, 75 páginasGuía de estudio para el curso Medio ambiente y turismo sostenible, código 5151, del programa de Diplomado y Bachillerato en Gestión Turística Sostenible.Universidad Estatal a Distancia de Costa Ric

    Emotions Detection based on a Single-electrode EEG Device

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    The study of emotions using multiple channels of EEG represents a widespread practice in the field of research related to brain computer interfaces (Brain Computer Interfaces). To date, few studies have been reported in the literature with a reduced number of channels, which when used in the detection of emotions present results that are less accurate than the rest. To detect emotions using an EEG channel and the data obtained is useful for classifying emotions with an accuracy comparable to studies in which there is a high number of channels, is of particular interest in this research framework. This article uses the Neurosky Maindwave device; which has a single electrode to acquire the EEG signal, Matlab software and IBM SPSS Modeler; which process and classify the signals respectively. The accuracy obtained in the detection of emotions in relation to the economic resources of the hardware dedicated to the acquisition of EEG signal is remarkable

    Thermal suspectability analysis of the reuse of fly ash from cellulose industry as contribution filler in bituminous mixtures

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    The increased population has accelerated pavement deterioration of and boosted production of residues, generating a constant environmental problem. One of the main problems of pavements is a failure to develop union between bituminous mastic ligand and aggregate. The following study evaluates the use of ash from cellulose incineration as a contribution filler to improve thermal susceptibility of pavements in different climatic zones. The applied methodology for dosage was based on volumetric criteria and state curves. The obtained results showed that reusing this residue in determined conditions (Cv/Cs???1) offers lower wear loss to 35% of temperatures between ?10 and 60?°C, due to the Cv/Cs?=?0.75 ratio that maximizes the cohesive properties of the mixture. Therefore, we showed that this type of industry residue can be reused without complication in zones of certain climatic criteria and that it provides improved properties to the asphalt mix compared to conventional mixes

    Effect of copper slag addition on mechanical behaviour of asphalt mixes containing reclaimed asphalt pavement

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    Annually, copper production and refining processes of generate large volumes of copper slag, and the disposal of this waste remains a major economic and environmental problem. This annual production causes an increase in the number and volume of landfills, as well as the quantity of slag that backs up landfills, it also produces leachates which contain metals such as Cu, Pb, Hg and SO2. In this research, friction and cohesive qualities of copper slag are exploited, in order to incorporate this slag as aggregate in asphalt mixes containing Reclaimed Asphalt Pavement (RAP). Results demonstrate that the use of copper slag in an addition percentage of 35% is favorable, because flow values increase and stability values decrease. The Marshall Quotient is reduced up to 27%, improving the performance of mixes with RAP and obtaining behavior similar to a traditional mixture. This improvement is also reflected in an 8% increase in the indirect tensile strength, which stands the use of copper slag as a solution in RAP applications with more demanding tensile and fatigue requirements.The presented results are part of the FONDECYT Initiation into Research project No. 11140889, funded by CONICYT-Chile, and the DID S-2014-27 project, funded by the Universidad Austral de Chile. The authors also would like to thank Bitumix S.A. and its CDI, CONAV S.A. and the Regional Laboratory of Transportation of Puerto Montt for the material donations and facilitation of their dependencie

    Gestión de la productividad actual de las organizaciones pequeñas y medianas del sector textil - confección del Valle del Aburrá

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    This article shows the results of phase I of the research Project "Modelo para el Desarrollo de la Productividad y Calidad de la Gestión de Producción en Pymes del Sector Textil- Confección del Valle de Aburrá" - "Model for the development of Productivity and Quality of management of production by Pymes in the textile confection industry" developed by the Quality and Production research Group - GICAP - of the INSTITUTO TECNOLÓGICO METROPOLITANO.The article under takes a diagnosis of 132 PYMES of the Textile-Confection productive sector, identifying the techniques and tools used by the sector. Este artículo presenta lo resultados de la fase I del proyecto de investigación "Modelo para el Desarrollo de la Productividad y Calidad de la Gestión de Producción en Pymes del Sector Textil- Confección del Valle de Aburrá" desarrollado por el Grupo de investigación en Calidad y Producción -GICAP- del INSTITUTO TECNOLÓGICO METROPOLITANO. Se aborda un diagnóstico de 132 Pymes del sector Textil-Confección, en relación con la gestión de productividad y calidad, identificando las técnicas y herramientas utilizadas por el sector

    Experimental study of bituminous mastic behaviour using different fillers based on the UCL Method

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    [EN]This research demonstrates that the use of suitable amounts of calcium hydroxide as an additive in asphalt mixtures can improve the aggregate-bitumen adhesion, forming a bituminous mixture which is more resistant to traffic loads and the action of water. The analysis was performed using the UCL method and the Cantabrian Test, taking as a case study three types of filler with different natures, mixed with 4.5% bitumen. The results are presented as state curves, which show clear differences between the three fillers, demonstrating that the hydroxide suffers small wear losses in concentrations close to 1.3%, indicating a significant reduction in the risk of plastic deformation, and an improvement in the mixture durability and/or adhesiveness

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    A Hardware/Software Platform to Acquire Bioelectrical Signals. A Case Study: Characterizing Computer Access through Attention

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    This paper describes a hardware/software platform to acquire human body signals. In the field of physiological computing it is desirable to have a system that allows the synchronized acquisition of signals coming from different sources. Here is described how to unify the whole process of acquiring signals from both customized hardware and low cost commercial devices such as Neurosky’s mindwave. A case study using this platform is also shown: studying the feasibility of using sustained attention to access a computer. In order to do that brain activity was measured using Neurosky’s mindwave. The participants in this study were asked to keep their attention high/low for as long as possible during several trials. Experimentation was performed by 7 normally developed subjects and 3 people with cerebral palsy (CP). Our preliminary work shows that 60% of participants might be potential users of this technology. Eventually, modulating the attention to access a communication board needs a scanning period greater than 5.76s
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