226 research outputs found

    Involving people with dementia and their carers in dementia education for undergraduate healthcare professionals: a qualitative study of motivation to participate and experience

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    BACKGROUND:There is a need to improve dementia education to prepare future generations of healthcare professionals to deal with the increasing challenges they will face. Time for Dementia is an innovative undergraduate education program for medical, nursing, and paramedic students in the south of England. Success of the program is dependent upon the participation of families (people with dementia and their carers). This qualitative study seeks to explore the motivation and experiences of the families taking part in the program. METHODS: A topic guide was developed to understand factors influencing motivation and retention. A purposeful sample of participant families, who had at least 12 months of involvement in the program, were selected from a cohort of 282 families and were invited to take part in an in-depth qualitative interview. Interviews were audio recorded, transcribed verbatim, and analyzed using thematic analysis. This was subsequently refined in an on-going process of analysis aided by the use of Nvivo 11. Interviewing stopped when thematic saturation was reached. RESULTS: Eighteen families took part in an in-depth qualitative interviews. Four themes were identified from the analysis. These themes were motivators, value to family, value to the person with dementia, and student factors. CONCLUSIONS: This study identifies underpinning factors that motivate families to join dementia education programs and the impact of such programs upon them. We found that engagement in such programs can have therapeutic benefits to participants, and do not cause harm. These findings can be used to strengthen recruitment and enhance family involvement in similar programs

    A qualitative study of prescription contraception use: the perspectives of users, general practitioners and pharmacists

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    Background: The oral contraceptive pill (OCP) remains the most popular form of prescription contraception in many countries, despite adherence difficulties for many. Uptake of long acting reversible contraceptives (LARCs), which are less reliant on user adherence, remains low. The aim of this study was to explore the experiences of, and attitudes towards, prescription contraception amongst samples of contraception users, general practitioners (GPs) and pharmacists.Methodology and Finding: We conducted a qualitative study using semi-structured interviews with 18 contraception users, 18 GPs and 9 pharmacists. The study took place in Galway, Republic of Ireland between June and September 2014. Thematic analysis was used to analyse the data. Overall, contraception users were more familiar with the OCP, and all the women interviewed began their prescription contraception journey using this method. All participants identified episodes of poor adherence throughout the reproductive life course. The identified barriers for use of LARCs were lack of information, misconceptions, lack of access and high cost. In contrast, GPs believed that adherence to the OCP was good and stated they were more likely to prescribe the OCP than other methods, as they were most familiar with this option.Barriers to prescribing LARCs were time, cost to practice, training and deskilling. Pharmacists also believed that adherence to the OCP was generally good and that their role was limited to dispensing medication and providing information when asked.Discussion and Conclusion: There are contrasting perspectives between contraception service providers and contraceptive users. Training for healthcare providers is required to support informed contraceptive choice and adherence. It is necessary to address the practice barriers of cost and lack of time, to promote better communication around adherence issues and prescription contraception options. There is a need for more easily-accessible public health information to promote awareness on all methods of prescription contraception.<br/

    Millimeter-Wave Line Ratios and Sub-beam Volume Density Distributions

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    We explore the use of mm-wave emission line ratios to trace molecular gas density when observations integrate over a wide range of volume densities within a single telescope beam. For observations targeting external galaxies, this case is unavoidable. Using a framework similar to that of Krumholz and Thompson (2007), we model emission for a set of common extragalactic lines from lognormal and power law density distributions. We consider the median density of gas producing emission and the ability to predict density variations from observed line ratios. We emphasize line ratio variations, because these do not require knowing the absolute abundance of our tracers. Patterns of line ratio variations have the prospect to illuminate the high-end shape of the density distribution, and to capture changes in the dense gas fraction and median volume density. Our results with and without a high density power law tail differ appreciably; we highlight better knowledge of the PDF shape as an important area. We also show the implications of sub-beam density distributions for isotopologue studies targeting dense gas tracers. Differential excitation often implies a significant correction to the naive case. We provide tabulated versions of many of our results, which can be used to interpret changes in mm-wave line ratios in terms of changes in the underlying density distributions.Comment: 24 pages, 16 figure, Accepted for publication in the Astrophysical Journal, two online tables temporarily available at http://www.astronomy.ohio-state.edu/~leroy.42/densegas_table2.txt and http://www.astronomy.ohio-state.edu/~leroy.42/densegas_table3.tx

    Impact of maternal respiratory infections on low birth weight - a community based longitudinal study in an urban setting in Pakistan

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    Background: The health of mothers and their newborns is intricately related. The weight of the infant at birth is a powerful predictor of infant growth and survival, and is considered to be partly dependent on maternal health and nutrition during pregnancy. We conducted a longitudinal study in an urban community within Karachi to determine maternal predictors of newborn birth weight.Methods: Four hundred pregnant women were enrolled in the study during the period 2011-2013. Data related to symptoms of acute respiratory illness (fever, cough, difficulty breathing, runny nose, sore throat, headache, chills, and myalgia/lethargy) in the pregnant women were collected weekly until delivery. Birth weight of the newborn was recorded within 14days of delivery and the weight of \u3c 2.5kg was classified as low birth weight (LBW).Results: A total of 9,853 symptom episodes were recorded of fever, cough, difficulty breathing, runny nose, sore throat, headache, chills, myalgias/lethargy in the enrolled pregnant women during the study. Out of 243 pregnant women whose newborns were weighed within 14days of birth, LBW proportion was 21% (n=53). On multivariate analysis, independent significant risk factors noted for delivering LBW babies were early pregnancy weight of \u3c 57.5kg [odds ratio adjusted (ORadj)=5.1, 95% CI: (1.3, 19.9)] and gestational age [ORadj=0.3, 95% CI (0.2, 0.7) for every one week increase in gestational age]. Among mothers with high socioeconomic status (SES), every 50-unit increase in the number of episodes of respiratory illness/100weeks of pregnancy had a trend of association with an increased risk of delivering LBW infants [ORadj=1.7, 95% CI: (1.0, 3.1)]. However, among mothers belonging to low SES, there was no association of the number of episodes of maternal respiratory illness during pregnancy with infants having LBW [ORadj=0.9, 95% CI: (0.5, 3.5)].CONCLUSIONS: While overall respiratory illnesses during pregnancy did not impact newborn weight in our study, we found this trend in the sub-group of mothers belonging to the higher SES. Whether this is because in mothers belonging to lower SES, the effects of respiratory illnesses were overshadowed by other risk factors associated with poverty need to be further studied

    Machine learning model demonstrates stunting at birth and systemic inflammatory biomarkers as predictors of subsequent infant growth - A four-year prospective study

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    Background: Stunting affects up to one-third of the children in low-to-middle income countries (LMICs) and has been correlated with decline in cognitive capacity and vaccine immunogenicity. Early identification of infants at risk is critical for early intervention and prevention of morbidity. The aim of this study was to investigate patterns of growth in infants up through 48 months of age to assess whether the growth of infants with stunting eventually improved as well as the potential predictors of growth.Methods: Height-for-age z-scores (HAZ) of children from Matiari (rural site, Pakistan) at birth, 18 months, and 48 months were obtained. Results of serum-based biomarkers collected at 6 and 9 months were recorded. A descriptive analysis of the population was followed by assessment of growth predictors via traditional machine learning random forest models.Results: Of the 107 children who were followed up till 48 months of age, 51% were stunted (HAZ \u3c - 2) at birth which increased to 54% by 48 months of age. Stunting status for the majority of children at 48 months was found to be the same as at 18 months. Most children with large gains started off stunted or severely stunted, while all of those with notably large losses were not stunted at birth. Random forest models identified HAZ at birth as the most important feature in predicting HAZ at 18 months. Of the biomarkers, AGP (Alpha- 1-acid Glycoprotein), CRP (C-Reactive Protein), and IL1 (interleukin-1) were identified as strong subsequent growth predictors across both the classification and regressor models.Conclusion: We demonstrated that children most children with stunting at birth remained stunted at 48 months of age. Value was added for predicting growth outcomes with the use of traditional machine learning random forest models. HAZ at birth was found to be a strong predictor of subsequent growth in infants up through 48 months of age. Biomarkers of systemic inflammation, AGP, CRP, IL1, were also strong predictors of growth outcomes. These findings provide support for continued focus on interventions prenatally, at birth, and early infancy in children at risk for stunting who live in resource-constrained regions of the world

    Promising biomarkers of environmental enteric dysfunction: a prospective cohort study in Pakistani children.

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    Environmental Enteric Dysfunction (EED), a syndrome characterized by chronic gut inflammation, contributes towards stunting and poor response to enteric vaccines in children in developing countries. In this study, we evaluated major putative biomarkers of EED using growth faltering as its clinical proxy. Newborns (n = 380) were enrolled and followed till 18 months with monthly anthropometry. Biomarkersassociated with gut and systemic inflammation were assessed at 6 and 9 months. Linear mixed effects model was used to determine the associations of these biomarkers with growth faltering between birth and 18 months. Fecal myeloperoxidase (neutrophil activation marker) at 6 months [β = -0.207, p = 0.005], and serum GLP 2 (enterocyte proliferation marker) at 6 and 9 months [6M: β = -0.271, p = 0.035; 9M: β = -0.267, p = 0.045] were associated with decreasing LAZ score. Ferritin at 6 and 9 months was associated with decreasing LAZ score [6M: β = -0.882, p \u3c 0.0001; 9M: β = -0.714, p \u3c 0.0001] and so was CRP [β = -0.451, p = 0.039] and AGP [β = -0.443, p = 0.012] at 9 months. Both gut specific and systemic biomarkers correlated negatively with IGF-1, but only weakly correlated, if at all with each other. We therefore conclude that EED may be contributing directly towards growth faltering, and this pathway is not entirely through the pathway of systemic inflammation

    Draft genome sequences of two extensively drug-resistant strains of acinetobacter baumannii isolated from clinical samples in Pakistan

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    Infections in immunocompromised patients that are caused by extensively drug-resistant (XDR) Acinetobacter baumannii strains have been increasingly reported worldwide. In particular, carbapenem-resistant A. baumannii strains are a prominent cause of health care-associated infections. Here, we report draft genome assemblies for two clinical XDR A. baumannii isolates obtained from hospitalized patients in Pakistan

    Pathobiome driven gut inflammation in Pakistani children with environmental enteric dysfunction

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    Environmental Enteric Dysfunction (EED) is an acquired small intestinal inflammatory condition underlying high rates of stunting in children \u3c5 years of age in low- and middle-income countries. Children with EED are known to have repeated exposures to enteropathogens and environmental toxins that leads to malabsorptive syndrome. We aimed to characterize association of linear growth faltering with enteropathogen burden and subsequent changes in EED biomarkers. In a longitudinal birth cohort (n = 272), monthly anthropometric measurements (Length for Age Z score- LAZ) of asymptomatic children were obtained up to 18 months. Biological samples were collected at 6 and 9 months for the assessment of biomarkers. A customized TaqMan array card was used to target 40 enteropathogens in fecal samples. Linear regression was applied to study the effect of specific enteropathogen infection on change in linear growth (ΔLAZ). Presence of any pathogen in fecal sample correlated with serum flagellin IgA (6 mo, r = 0.19, p = 0.002), fecal Reg 1b (6 mo, r = 0.16, p = 0.01; 9mo, r = 0.16, p = 0.008) and serum Reg 1b (6 mo, r = 0.26, p\u3c0.0001; 9 mo, r = 0.15, p = 0.008). At 6 months, presence of Campylobacter [β (SE) 7751.2 (2608.5), p = 0.003] and ETEC LT [β (SE) 7089.2 (3015.04), p = 0.019] was associated with increase in MPO. Giardia was associated with increase in Reg1b [β (SE) 72.189 (26.394), p = 0.006] and antiflic IgA[β (SE) 0.054 (0.021), p = 0.0091]. Multiple enteropathogen infections in early life negatively correlated with ΔLAZ, and simultaneous changes in gut inflammatory and permeability markers. A combination vaccine targeting enteropathogens in early life could help in the prevention of future stuntin

    Dense Gas, Dynamical Equilibrium Pressure, and Star Formation in Nearby Star-Forming Galaxies

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    We use new ALMA observations to investigate the connection between dense gas fraction, star formation rate, and local environment across the inner region of four local galaxies showing a wide range of molecular gas depletion times. We map HCN (1-0), HCO+^+ (1-0), CS (2-1), 13^{13}CO (1-0), and C18^{18}O (1-0) across the inner few kpc of each target. We combine these data with short spacing information from the IRAM large program EMPIRE, archival CO maps, tracers of stellar structure and recent star formation, and recent HCN surveys by Bigiel et al. and Usero et al. We test the degree to which changes in the dense gas fraction drive changes in the SFR. IHCN/ICOI_{HCN}/I_{CO} (tracing the dense gas fraction) correlates strongly with ICOI_{CO} (tracing molecular gas surface density), stellar surface density, and dynamical equilibrium pressure, PDEP_{DE}. Therefore, IHCN/ICOI_{HCN}/I_{CO} becomes very low and HCN becomes very faint at large galactocentric radii, where ratios as low as IHCN/ICO0.01I_{HCN}/I_{CO} \sim 0.01 become common. The apparent ability of dense gas to form stars, ΣSFR/Σdense\Sigma_{SFR}/\Sigma_{dense} (where Σdense\Sigma_{dense} is traced by the HCN intensity and the star formation rate is traced by a combination of Hα\alpha and 24μ\mum emission), also depends on environment. ΣSFR/Σdense\Sigma_{SFR}/\Sigma_{dense} decreases in regions of high gas surface density, high stellar surface density, and high PDEP_{DE}. Statistically, these correlations between environment and both ΣSFR/Σdense\Sigma_{SFR}/\Sigma_{dense} and IHCN/ICOI_{HCN}/I_{CO} are stronger than that between apparent dense gas fraction (IHCN/ICOI_{HCN}/I_{CO}) and the apparent molecular gas star formation efficiency ΣSFR/Σmol\Sigma_{SFR}/\Sigma_{mol}. We show that these results are not specific to HCN.Comment: 31 pages, 13 figures, accepted for publication in The Astrophysical Journal, email for access to data table before publicatio

    Validation of the Persistent Complex Bereavement Disorder (PCBD) Checklist: A Developmentally Informed Assessment Tool for Bereaved Youth

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    The inclusion of Persistent Complex Bereavement Disorder (PCBD) in the DSMâ 5 appendix signifies a call for research regarding the distinguishing features and clinical utility of proposed PCBD criteria. Rigorously constructed tools for assessing PCBD are lacking, especially for youth. This study evaluated the validity and clinical utility of the PCBD Checklist, a 39â item measure designed to assess PCBD criteria in youth aged 8 to18 years. Test construction procedures involved: (a) reviewing the literature regarding developmental manifestations of proposed criteria, (b) creating a developmentally informed item pool, (c) surveying an expert panel to evaluate the clarity and developmental appropriateness of candidate items, (d) conducting focus groups to evaluate the comprehensibility and acceptability of items, and (e) evaluating psychometric properties in 367 bereaved youth (Mage = 13.49, 55.0% female). The panel, clinicians, and youth provided favorable content validity and comprehensibility ratings for candidate items. As hypothesized, youth who met full PCBD criteria, Criterion B (e.g., preoccupation with the deceased and/or circumstances of the death), or Criterion C (e.g., reactive distress and/or social/identity disruption) reported higher posttraumatic stress and depressive symptoms than youth who did not meet these criteria, ηp2 = .07â .16. Youth who met Criterion C reported greater functional impairment than youth who did not, ηp2 = .08â .12. Youth who qualified for the â traumatic bereavement specifierâ reported more frequent posttraumatic stress symptoms than youth who did not, ηp2 = .04. Findings support the convergent, discriminant, and discriminantâ groups validity, developmental appropriateness, and clinical utility of the PCBD Checklist.ResumenValidación de Lista de verificación del Trastorno por Duelo Complejo Persistente (TDCP): Un informe del desarrollo de herramientas de medición para duelo en jóvenesLISTA DE CHEQUEO DE TRASTORNO DE DUELO COMPLEJO PERSISTENTELa inclusión del trastorno de duelo complejo persistente (TDCP en su sigla en español; PCBD en sus siglas en inglés) en el apéndice del DSMâ 5 significa un llamado para investigar en relación a las características distintivas y la utilidad clínica de los criterios propuestos para el TDCP. Se carece de herramientas rigurosamente construidas para evaluar TDCP, especialmente para jóvenes. Este estudio evalúa la validez y utilidad clínica de la lista de verificación de TPCP, una medida con 39 ítems diseñada para medir el criterio de TDCP en jóvenes de edades entre 8 a 18 años. El procedimiento de construcción del test involucró: (a) revisión de la literatura relacionada con manifestaciones desarrolladas del criterio propuesto; (b) creación de un pool de ítems informados para el desarrollo; (c) encuesta a un panel experto para evaluar la claridad y desarrollo apropiado de los ítems; (d) conducir grupos focales para evaluar la compresibilidad y aceptabilidad de los ítems; y (e) evaluación de propiedades psicométricas en 367 jóvenes en proceso de duelo (M edad = 13.49, 55.0% femenino). El panel, los clínicos y los jóvenes en proceso de duelo proveyeron una validez de contenido favorable y rangos de comprensibilidad para los ítems candidatos. Como se hipotetizó, los jóvenes que cumplieron el criterio completo de TDCP, criterio B (ej., preocupación por el fallecido y/o las circunstancias de la muerte) o el criterio C (ej., estrés reactivo y/o perturbación social/identidad) reportaron alto estrés postraumático y síntomas depresivos que los jóvenes que no cumplen este criterio, ηp2 = .07 a .16. Los jóvenes que no cumplieron el criterio C reportaron mayor deterioro funcional que los jóvenes que no lo cumplieron ηp2 = .08 a .12. Los jóvenes que calificaron para el â duelo traumático especificoâ reportaron mayor frecuencia de síntomas de estrés postraumático que jóvenes que no calificaron ηp2 = .04. 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