2,492 research outputs found

    Social support for female sexual dysfunction in fibromyalgia

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    The aim of this study is to describe and understand experiences related to social support for women with fibromyalgia who suffer from sexual dysfunction. An interpretive qualitative research methodology based on Gadamer’s philosophical hermeneutics was used. Data collection included a focus group and in-depth interviews with 13 women who averaged 44.8 years of age and 14.3 years since being diagnosed with fibromyalgia. Data were analyzed using Fleming’s method and two themes were identified: “searching for understanding in socio-family support” and “lack of formal support regarding fibromyalgia patient’s sexuality.” The partner constitutes the main support for women with fibromyalgia. Although they can find understanding and social support in patient associations, they lack formal support from health care professionals. Women demand trusted and expert professionals, like sexologists and nurses, to carry out a multidisciplinary approach to tackle sexual dysfunction associated with fibromyalgia

    A Peer to Peer Protocol for Online Dispute Resolution over Storage Consumption

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    In bilateral accounting of resource consumption both the consumer and provider independently measure the amount of resources consumed by the consumer. The problem here is that potential disparities between the provider's and consumer's accountings, might lead to conflicts between the two parties that need to be resolved. We argue that with the proper mechanisms available, most of these conflicts can be solved online, as opposite to in court resolution; the design of such mechanisms is still a research topic; to help cover the gap, in this paper we propose a peer--to--peer protocol for online dispute resolution over storage consumption. The protocol is peer--to--peer and takes into consideration the possible causes (e.g, transmission delays, unsynchronized metric collectors, etc.) of the disparity between the provider's and consumer's accountings to make, if possible, the two results converge.Comment: 12 pages, 7 figure

    Air quality in North America's most populous city ? overview of MCMA-2003 Campaign

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    International audienceExploratory field measurements in the Mexico City Metropolitan Area (MCMA) in February 2002 set the stage for a major air quality field measurement campaign in the spring of 2003 (MCMA-2003). Involving over 100 scientists from more than 30 institutions in Mexico, the United States and Europe, MCMA-2003 revealed important new insights into the meteorology, primary pollutant emissions, ambient secondary pollutant precursor concentrations, photochemical oxidant production and secondary aerosol particle formation in North America's most populated and polluted megacity. A description of meteorological and atmospheric chemistry and aerosol microphysics measurements performed during MCMA-2003 is presented. More than three dozen published or submitted MCMA-2003 research papers are reviewed and key discoveries pertinent to understanding and improving air quality in Mexico City and similar megacities in the developing world are summarized

    Perceptions about the sexuality of women with fibromyalgia syndrome: a phenomenological study

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    Aims: The aim of this study was to explore and understand the perceptions and experiences of women with fibromyalgia syndrome regarding their sexuality. Background: Fibromyalgia syndrome is a chronic pathology, which compromises a woman’s physical, mental and emotional health. Although concerns related to sexuality are commonly reported, research has tended to focus on the physical symptoms. Design: An interpretive qualitative research methodology using Gadamer’s philosophical hermeneutics was carried out. Methods: This qualitative study explores the sexuality of women with fibromyalgia syndrome. A focus group and semi-structured interviews were conducted with 13 women with fibromyalgia syndrome. Data were collected between April - June 2014. Participants were recruited until findings reached saturation. Findings: Three themes define the perception of sexuality for these women: (i) Physical impact: don’t touch, don’t look; (ii) Sexuality and identity: fighting against their loss; (iii) Impact on the relationship: sexuality as a way of connecting the couple. Conclusion: Despite limitations, sexuality is important for the identity and quality of life of women with fibromyalgia syndrome. Together with the physical symptomology, guilt, fear and a lack of understanding compromise the coping process. Women need the support of their partner, their socio-family environment and health professionals. Nurses can aid the successful adjustment to sexual problems related to fibromyalgia syndrome

    Psychometric evaluation and cultural adaptation of the Spanish version of the “Scale for End-of Life Caregiving Appraisal”

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    Objective: To translate, culturally adapt and psychometrically evaluate the Spanish version of the ‘Scale for End-of Life Caregiving Appraisal’ (SEOLCAS). Methods: Observational cross-sectional study. Convenience sample of 201 informal end-of-life caregivers recruited in a southern Spanish hospital. The reliability of the questionnaire was assessed through its internal consistency (Cronbach’s α) and temporal stability (Pearson’s correlation coefficient (r) between test-retest). The content validity index of the items (I-CVI) and the scale (S-CVI/Ave) was calculated. Its criterion validity was explored through performing a linear regression analysis to evaluate the SEOLCAS’ predictive validity. Exploratory factor analysis was used to examine its construct validity. Results: The SEOLCAS’s reliability was very high (Cronbach’s α=0.92). Its content validity was excellent (all items’ content validity index=0.8–1; scale’s validity index=0.88). Evidence of the SEOLCAS’ criterion validity showed that the participants’ scores on the SEOLCAS explained approximately 79.3% of the between-subject variation of their results on the Zarit Burden Interview. Exploratory factor analysis provided evidence of the SEOLCAS’ construct validity. This analysis revealed that two factors (‘internal contingencies’ and ‘external contingencies’) explained 53.77% of the total variance found and reflected the stoic Hispanic attitude towards adversity. Significance of the results: The Spanish version of the ‘Scale for End-of Life Caregiving Appraisal’ has shown to be an easily-applicable, valid, reliable and culturally-appropriate tool to measure the impact of end-of-life care provision on Hispanic informal caregivers. This tool offers healthcare professionals the opportunity to easily explore Hispanic informal end-of-life caregivers’ experiences and discover the type of support they may need (instrumental or emotional) even when there are communicational and organisational constraints

    Sources and transformations of particle-bound polycyclic aromatic hydrocarbons in Mexico City

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    Understanding sources, concentrations, and transformations of polycyclic aromatic hydrocarbons (PAHs) in the atmosphere is important because of their potent mutagenicity and carcinogenicity. The measurement of particle-bound PAHs by three different methods during the Mexico City Metropolitan Area field campaign in April 2003 presents a unique opportunity for characterization of these compounds and intercomparison of the methods. The three methods are (1) collection and analysis of bulk samples for time-integrated gas- and particle-phase speciation by gas chromatography/mass spectrometry; (2) aerosol photoionization for fast detection of PAHs on particles' surfaces; and (3) aerosol mass spectrometry for fast analysis of size and chemical composition. This research represents the first time aerosol mass spectrometry has been used to measure ambient PAH concentrations and the first time that fast, real-time methods have been used to quantify PAHs alongside traditional filter-based measurements in an extended field campaign. Speciated PAH measurements suggest that motor vehicles and garbage and wood burning are important sources in Mexico City. The diurnal concentration patterns captured by aerosol photoionization and aerosol mass spectrometry are generally consistent. Ambient concentrations of particle-phase PAHs typically peak at ~110 ng m<sup>-3</sup> during the morning rush hour and rapidly decay due to changes in source activity patterns and dilution as the boundary layer rises, although surface-bound PAH concentrations decay faster. The more rapid decrease in surface versus bulk PAH concentrations during the late morning suggests that freshly emitted combustion-related particles are quickly coated by secondary aerosol material in Mexico City's atmosphere and may also be transformed by heterogeneous reactions

    Evaluation of native microalgae from Tunisia using the pulse-amplitude-modulation measurement of chlorophyll fluorescence and a performance study in semi-continuous mode for biofuel production

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    Background: Microalgae are attracting much attention as a promising feedstock for renewable energy production, while simultaneously providing environmental benefits. So far, comparison studies for microalgae selection for this purpose were mainly based on data obtained from batch cultures, where the lipid content and the growth rate were the main selection parameters. The present study evaluates the performance of native microalgae strains in semi-continuous mode, considering the suitability of the algal-derived fatty acid composition and the saponifiable lipid productivity as selection criteria for microalgal fuel production. Evaluation of the photosynthetic performance and the robustness of the selected strain under outdoor conditions was conducted to assess its capability to grow and tolerate harsh environmental growth conditions. Results: In this study, five native microalgae strains from Tunisia (one freshwater and four marine strains) were isolated and evaluated as potential raw material to produce biofuel. Firstly, molecular identification of the strains was performed. Then, experiments in semi-continuous mode at different dilution rates were carried out. The local microalgae strains were characterized in terms of biomass and lipid productivity, in addition to protein content, and fatty acid profile, content and productivity. The marine strain Chlorella sp. showed, at 0.20 1/day dilution rate, lipid and biomass productivities of 35.10 mg/L day and 0.2 g/L day, respectively. Moreover, data from chlorophyll fluorescence measurements demonstrated the robustness of this strain as it tolerated extreme outdoor conditions including high (38 ° C) and low (10 ° C) temperature, and high irradiance (1600 µmol/m2 s). Conclusions: Selection of native microalgae allows identifying potential strains suitable for use in the production of biofuels. The selected strain Chlorella sp. demonstrated adequate performance to be scaled up to outdoor conditions. Although experiments were performed at laboratory conditions, the methodology used in this paper allows a robust evaluation of microalgae strains for potential market applications.This study was supported by the Marine Microalgae Biotechnology Group at the University of Almer'a (BIO 173) and the Campus de Excelencia Internacional Agroalimentario (ceiA3) within the joint framework of supervised theses between the University of Almeria, Spain and the University of Sfax, Tunisia.Scopu

    Connecting the Edges: A Universal, Mobile-Centric, and Opportunistic Communications Architecture

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    The Internet has crossed new frontiers with access to it getting faster and cheaper. Considering that the architectural foundations of today's Internet were laid more than three decades ago, the Internet has done remarkably well until today coping with the growing demand. However, the future Internet architecture is expected to support not only the ever growing number of users and devices, but also a diverse set of new applications and services. Departing from the traditional host-centric access paradigm, where access to a desired content is mapped to its location, an information-centric model enables the association of access to a desired content with the content itself, irrespective of the location where it is being held. UMOBILE tailors the information-centric communication model to meet the requirements of opportunistic communications, integrating those connectivity approaches into a single architecture. By pushing services near the edge of the network, such an architecture can pervasively operate in any networking environment and allows for the development of innovative applications, providing access to data independent of the level of end-to-end connectivity availability

    Aprendizaje del Fibrobroncoscopio del Servicio de Anestesiología del Hospital Universitario de Getafe: Programa de aprendizaje

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    Las complicaciones más severas en Anestesiología son las relacionadas con la Vía Aérea, y una dificultad de intubación o ventilación del paciente originan una gran mórbida/mortalidad. En los últimos años, para mejorar la seguridad del paciente en este campo, ha habido una evolución muy importante en el manejo de la Vía Aérea Difícil (VAD). Las Sociedades internacionales más prestigiosas de este campo aconsejan en sus últimos trabajos y guías (ASA&nbsp;[Sociedad Americana de Vía Aérea Difícil] en el algoritmo del 2013, y la DAS&nbsp;[Difficult Airway Society] en el NAP4 y las guías de 2015….) aconsejan que todos los miembros del servicio de Anestesiología sean capaces de poder realizar una intubación con Fibroscopio (FOB) en paciente despierto cuando se precise. Es decir, en aquellos pacientes que tienen una intubación difícil conocida, y en los que administrarles anestesia general para realizar una intubación, perdiendo la respiración espontanea, supone un riesgo muy importante para ellos

    Air quality in North America's most populous city ? overview of the MCMA-2003 campaign

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    International audienceExploratory field measurements in the Mexico City Metropolitan Area (MCMA) in February 2002 set the stage for a major air quality field measurement campaign in the spring of 2003 (MCMA-2003). Involving over 100 scientists from more than 30 institutions in Mexico, the United States and Europe, MCMA-2003 revealed important new insights into the meteorology, primary pollutant emissions, ambient secondary pollutant precursor concentrations, photochemical oxidant production and secondary aerosol particle formation in North America's most populated and polluted megacity. A description of meteorological and atmospheric chemistry and aerosol microphysics measurements performed during MCMA-2003 is presented. More than 40 published or submitted MCMA-2003 research papers are reviewed and key discoveries pertinent to understanding and improving air quality in Mexico City and similar megacities in the developing world are summarized
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