717 research outputs found

    Psychometric Properties of an Arabic Pain Anxiety Symptoms Scale-20 (PASS-20) in Healthy Volunteers and Patients Attending a Physiotherapy Clinic.

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    PURPOSE: The aim of this study was to cross-culturally adapt the PASS-20 questionnaire for use in Libya. METHODS: Participants were 71 patients (42 women) attending the physiotherapy clinic, Ibn Sina Hospital, Sirt, Libya for management of persistent pain and 137 healthy unpaid undergraduate students (52 women) from the University of Sirt, Libya. The English PASS-20 was translated into Arabic. Patients completed the Arabic PASS-20 and the Arabic Pain Rating Scales on two occasions separated by a 14-day interval. Healthy participants completed the Arabic PASS-20 on one occasion. RESULTS: The internal consistency (ICC) for pain patient and healthy participant samples yielded a good reliability for the total score, cognitive anxiety, fear of pain, and physiological anxiety. The test-retest reliability of the Arabic PASS-20 score showed high reliability for the total score (ICC = 0.93, p < 0.001), escape/avoidance (ICC = 0.93, p < 0.001), fear of pain (ICC = 0.94, p < 0.001), and physiological anxiety subscales (ICC = 0.96, p < 0.001) and good reliability for the cognitive anxiety (ICC = 0.85, p < 0.001). Inspection of the Promax rotation showed that each factor comprised of five items were consistent with the theoretical constructs of the original PASS-20 subscales. CONCLUSION: The Arabic PASS-20 retained internal consistency and reliability with the original English version and can be used to measure pain anxiety symptoms in both pain and healthy individual samples in Libya

    The MROI fringe tracker: Laboratory tracking with ICONN

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    The loop is closed on ICONN, the Magdalena Ridge Observatory Interferometer fringe tracker. Results from laboratory experiments demonstrating ICONN's ability to track realistic, atmospheric-like path difference perturbations in real-time are shown. Characterizing and understanding the behavior and limits of ICONN in a controlled environment are key for reaching the goals of the MROI. The limiting factors in the experiments were found to be the light delivery system and temporary path length correction mechanism; not the on-sky components of ICONN. ICONN was capable of tracking fringes with a coherence loss below 5%; this will only improve in its final deployment.The Magdalena Ridge Observatory Interferometer is funded by the US Department of Transportation, the State of New Mexico, and New Mexico Tech with previous funding from the Navy Research Laboratory (NRL, agreement no. N00173-01-2-C902).This is the final version of the article, also available from SPIE at http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1891933. Copyright 2014 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. http://dx.doi.org/10.1117/12.205560

    Roaring high and low: composition and possible functions of the Iberian stag's vocal repertoire

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    We provide a detailed description of the rutting vocalisations of free-ranging male Iberian deer (Cervus elaphus hispanicus, Hilzheimer 1909), a geographically isolated and morphologically differentiated subspecies of red deer Cervus elaphus. We combine spectrographic examinations, spectral analyses and automated classifications to identify different call types, and compare the composition of the vocal repertoire with that of other red deer subspecies. Iberian stags give bouts of roars (and more rarely, short series of barks) that are typically composed of two different types of calls. Long Common Roars are mostly given at the beginning or at the end of the bout, and are characterised by a high fundamental frequency (F0) resulting in poorly defined formant frequencies but a relatively high amplitude. In contrast, Short Common Roars are typically given in the middle or at the end of the bout, and are characterised by a lower F0 resulting in relatively well defined vocal tract resonances, but low amplitude. While we did not identify entirely Harsh Roars (as described in the Scottish red deer subspecies (Cervus elaphus scoticus), a small percentage of Long Common Roars contained segments of deterministic chaos. We suggest that the evolution of two clearly distinct types of Common Roars may reflect divergent selection pressures favouring either vocal efficiency in high pitched roars or the communication of body size in low-pitched, high spectral density roars highlighting vocal tract resonances. The clear divergence of the Iberian red deer vocal repertoire from those of other documented European red deer populations reinforces the status of this geographical variant as a distinct subspecies

    Exclusive ρ0\rho^0 electroproduction on the proton at CLAS

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    The epepρ0e p\to e^\prime p \rho^0 reaction has been measured, using the 5.754 GeV electron beam of Jefferson Lab and the CLAS detector. This represents the largest ever set of data for this reaction in the valence region. Integrated and differential cross sections are presented. The WW, Q2Q^2 and tt dependences of the cross section are compared to theoretical calculations based on tt-channel meson-exchange Regge theory on the one hand and on quark handbag diagrams related to Generalized Parton Distributions (GPDs) on the other hand. The Regge approach can describe at the \approx 30% level most of the features of the present data while the two GPD calculations that are presented in this article which succesfully reproduce the high energy data strongly underestimate the present data. The question is then raised whether this discrepancy originates from an incomplete or inexact way of modelling the GPDs or the associated hard scattering amplitude or whether the GPD formalism is simply inapplicable in this region due to higher-twists contributions, incalculable at present.Comment: 29 pages, 29 figure

    Wider implications of greenhouse gas mitigation measures in English agriculture

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    nder the guidance of the Committee for Climate Change (CCC), the UK has identified a range of greenhouse gas mitigation actions that can be implemented cost-effectively within different sectors of the economy. UK agriculture and land use change make a relatively small (around 8% of total) but significant contribution to emissions and the sector is expected to make a contribution to overall targets.In response to initial government GHG budgets, the agricultural industry has responded with its own route map for reducing sector emissions, initially by concentrating on measures that reduce emissions by raising production efficiency. Many of the measures identified by the industry have already been identified in Marginal Abatement costs curves (MACCs) developed for the CCC.In developing the MACCs there was a recognition that the cost-effectiveness of measures could be altered by the inclusion of wider ancillary impacts (or co-benefits and costs) and the additional life-cycle and displacement impacts implied by some measures. For example, some measures implemented on farms can impact on biodiversity and water quality. Other measures could entail activities beyond the farm gate that give rise to pollution. Other measures implemented in the UK could reduce productivity and therefore be offset by production overseas, with no net effect on emissions.This project attempts to provide a more systematic review of the nature and size of these impacts. It will focus on the measures covered by the industry route map as applicable to agriculture in England. The identification and quantification of these external and ancillary impacts will help government understand the full costs of implementing both the industry route map and alternative mitigation actions indicated by CCC analysis.An initial qualitative review will summarise how relevant mitigation measures can be associated with the aforementioned ancillary impacts, and a scoring system will be developed to grade these additional impacts. A further quantitative analysis will develop and implement a methodology for quantifying and valuing (in monetary terms) the relevant costs and benefits associated with the same measures.Both stages will draw on a range of published data to define a baseline for the analysis and the range of non-market external costs and benefit estimates that are available for the agricultural sector.The outputs of this project are inception, interim and final reports, and a set of accompanying spreadsheets that will link mitigation measure scenarios to their relevant external costs. This information will provide Defra with a better evidence base on the full economic impacts (and therefore cost-effectiveness) of measures. Cost-effective mitigation reduces the overall burden of mitigation on society (i.e. farmers and tax payers).This project will be delivered by a multi disciplinary team including crop and animal scientists, ecologists and economists. The team has previously collaborated on the development of MACCs for the agricultural sector and has considerable experience in the quantification of ancillary impacts and their monetary valuationObjectiveThe tender specification sets out a clear set of qualitative and quantitative objectives, which we use as the structure of this section (numbered 1 – 8). We also spell out discrete deliverables as reports that can be used as intermediate milestones and deliverables if necessary. More normally, these sections will be consolidated into one final report at the end of the project. We recognize the overall objective of this project is to gain a better understanding of the wider consequences of accomplishing the mitigation targets set out in the industry route map. A subsidiary objective is to investigate methods to offset these impacts. These objectives are expanded in the section on Approaches and Methodology section below.Qualitative1. Inventory of relevant impacts for each mitigation measure (stand alone report, Month 1)2. Baseline impacts and traffic light scoring (Stand alone report, End Month 2)3. A qualitative commentary on the interaction between measures and productivity potential and potential to offset elsewhere (stand alone report Month 2)4. Summarise/synthesise relevant agriculture externality values for categories relevant to measures (stand alone report or report section, Month 2)Relevant categories to be considered :- Food production (and quality)- Production outside the farm gate- Social impacts (jobs, built environment, farm sizes, landscape)- LUC (and its environmental effects)- Genetic and systemic diversity (and resilience implications)- Pests and diseases- Biodiversity- Animal health and welfareQuantitative5. Establish a monetary value baseline without reference to any mitigation scenario (report section Month 3)6. Gap analysis on external impacts and monetary values – including wider LCA impacts and values ( report section Month 3)7. Derive a social value of each measure in the route map (overlaid on baseline) (report section Month 5)8. Developing user-friendly spreadsheet for future use (Month 5)The main milestones are an inception meeting (with a written report), a final report (consolidating all sections above) and at least three further meetings or knowledge exchange events.<br/

    π+\pi^+ photoproduction on the proton for photon energies from 0.725 to 2.875 GeV

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    Differential cross sections for the reaction γpnπ+\gamma p \to n \pi^+ have been measured with the CEBAF Large Acceptance Spectrometer (CLAS) and a tagged photon beam with energies from 0.725 to 2.875 GeV. Where available, the results obtained here compare well with previously published results for the reaction. Agreement with the SAID and MAID analyses is found below 1 GeV. The present set of cross sections has been incorporated into the SAID database, and exploratory fits have been made up to 2.7 GeV. Resonance couplings have been extracted and compared to previous determinations. With the addition of these cross sections to the world data set, significant changes have occurred in the high-energy behavior of the SAID cross-section predictions and amplitudes.Comment: 18 pages, 10 figure

    Greater risk of severe COVID-19 in Black, Asian and Minority Ethnic populations is not explained by cardiometabolic, socioeconomic or behavioural factors, or by 25(OH)-vitamin D status: study of 1326 cases from the UK Biobank.

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    This is a pre-copyedited, author-produced version of an article accepted for publication in Journal of Public Health, following peer review. The version of record: Zahra Raisi-Estabragh, Celeste McCracken, Mae S Bethell, Jackie Cooper, Cyrus Cooper, Mark J Caulfield, Patricia B Munroe, Nicholas C Harvey, Steffen E Petersen, Greater risk of severe COVID-19 in Black, Asian and Minority Ethnic populations is not explained by cardiometabolic, socioeconomic or behavioural factors, or by 25(OH)-vitamin D status: study of 1326 cases from the UK Biobank, Journal of Public Health, fdaa095, https://doi.org/10.1093/pubmed/fdaa095 is available online at: https://doi.org/10.1093/pubmed/fdaa095BACKGROUND: We examined whether the greater severity of coronavirus disease 2019 (COVID-19) amongst men and Black, Asian and Minority Ethnic (BAME) individuals is explained by cardiometabolic, socio-economic or behavioural factors. METHODS: We studied 4510 UK Biobank participants tested for COVID-19 (positive, n = 1326). Multivariate logistic regression models including age, sex and ethnicity were used to test whether addition of (1) cardiometabolic factors [diabetes, hypertension, high cholesterol, prior myocardial infarction, smoking and body mass index (BMI)]; (2) 25(OH)-vitamin D; (3) poor diet; (4) Townsend deprivation score; (5) housing (home type, overcrowding) or (6) behavioural factors (sociability, risk taking) attenuated sex/ethnicity associations with COVID-19 status. RESULTS: There was over-representation of men and BAME ethnicities in the COVID-19 positive group. BAME individuals had, on average, poorer cardiometabolic profile, lower 25(OH)-vitamin D, greater material deprivation, and were more likely to live in larger households and in flats/apartments. Male sex, BAME ethnicity, higher BMI, higher Townsend deprivation score and household overcrowding were independently associated with significantly greater odds of COVID-19. The pattern of association was consistent for men and women; cardiometabolic, socio-demographic and behavioural factors did not attenuate sex/ethnicity associations. CONCLUSIONS: In this study, sex and ethnicity differential pattern of COVID-19 was not adequately explained by variations in cardiometabolic factors, 25(OH)-vitamin D levels or socio-economic factors. Factors which underlie ethnic differences in COVID-19 may not be easily captured, and so investigation of alternative biological and genetic susceptibilities as well as more comprehensive assessment of the complex economic, social and behavioural differences should be prioritised

    Differential predictors of acute post-surgical pain intensity after abdominal hysterectomy and major joint arthroplasty

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    Author's personal copyBACKGROUND Psychological factors have a significant role in post-surgical pain, and their study can inform pain management. PURPOSE The aims of this study are to identify psychological predictors of post-surgical pain following abdominal hysterectomy (AH) and major joint arthroplasty (MJA) and to investigate differential predictors by type of surgery. METHOD One hundred forty-two women undergoing AH and 110 patients undergoing MJA were assessed 24 h before (T1) and 48 h after (T2) surgery. RESULTS A predictive post-surgical pain model was found for AH and MJA yielding pre-surgical pain experience and pain catastrophizing as significant predictors and a significant interaction of pre-surgical optimism and surgery type. Separate regression models by surgery type showed that pre-surgical optimism was the best predictor of post-surgical pain after MJA, but not after AH. CONCLUSIONS Findings highlight the relevance of psychological predictors for both surgeries and the value of targeting specific psychological factors by surgery type in order to effectively manage acute post-surgical pain.Supported by a project grant (PTDC/SAU-NEU/108557/2008) and by a PhD grant (SFRH/BD/36368/2007) from the Portuguese Foundation of Science and Technology, COMPETE, and FEDE
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