758 research outputs found
Risk factors for acute abdominal pain (colic) in the adult horse: A scoping review of risk factors, and a systematic review of the effect of management-related changes
Acute abdominal pain (colic) is the most common reason for emergency veterinary treatment in the horse. Consolidation of data through a systematic review is important to inform evidence-based medicine and clinical guidelines, but there are currently no published systematic reviews on colic in the horse. The aim of this study was to identify, categorize and appraise the evidence on factors associated with increased risk of developing abdominal pain (colic) due to gastrointestinal disease in the adult horse. A scoping review was performed to identify and categorize evidence on all risk factors for colic. A systematic review of management-related risk factors was then performed following PRISMA guidelines. Both searches were conducted in Medline, CAB Abstracts and Web of Science databases, and publications were assessed against inclusion and exclusion criteria. For the scoping review, study and participant characteristics of included publications and key results were extracted and tabulated. For the systematic review, cohort, case-control or cross-sectional studies investigating acute abdominal pain in horses within two weeks of management changes were assessed. Study characteristics, participant characteristics and study results of included publications for the systematic review were extracted and tabulated. Included publications were appraised using the Joanna Briggs Institute Critical Appraisal Tools for cohort, case-control and cross-sectional studies. The scoping review search identified 3,756 publications. Fifty eight studies met final inclusion criteria, and 22 categories of risk factors were identified. These were grouped into three broad areas: horse-related factors, management-related factors and environment-related factors. The largest body of evidence related to management change. The systematic review of management change identified 410 publications: 14 met inclusion criteria for analysis. These consisted of one cohort, eight case-control and five cross-sectional studies. The studies were conducted between 1990â2008, and the majority of studies were located in the USA (8/14) or UK (3/14). The risk factors related to management change that were assessed were feed, carer, exercise, pasture, water and housing. The largest bodies of evidence for increased risk of colic associated with management change were changes in feed (5/14 publications) and recent change in housing (3/14). Most studies (8/14) did not meet the JBI criterion on confounding factors. There was marked heterogeneity of study methodologies and measures. This is the first study to use a combined scoping and systematic review to analyse evidence for modifiable risk factors for a common condition in the horse. It provides a comprehensive review that will be a key resource for researchers, veterinary practitioners and horse owners. It identified modifiable risk factors associated with an increased risk of colic which should be a key target for preventative health programmes. The findings from the critical appraisal were used to develop recommendations for future research to improve the quality of evidence-based veterinary medicine
NRQCD Results on Form Factors
We report results on and semi-leptonic decay form factors using
NRQCD. We investigate scaling behavior of decay amplitudes. For
Effect of higher order relativistic correction terms are also studied.Comment: 9 pgs. 10 figures. Latex2e. espcrc2.sty included. Talk presented at
the Internatioal Workshop "LATTICE QCD ON PARALLEL COMPUTERS", March 1997,
Tsukub
Veterinary practitionersâ selection of diagnostic tests for the primary evaluation of colic in the horse
The aim of this study was to survey veterinary practitionersâ selection of diagnostic tests for horses with clinical signs of abdominal pain. A questionnaire was distributed to veterinary surgeons involved in the primary evaluation of horses with abdominal pain, including the respondent's demographics, selection of diagnostic tests and factors affecting decision-making. Data analysis included descriptive analysis, categorisation of free text and simple univariable correlations to explore the relationships between independent variables and the relative self-estimated frequency that diagnostic tests were performed. A total of 228 responses were analysed. Participants worked in mixed practice (55.7 per cent), first opinion equine (22.8 per cent), first and second opinion equine (17.9 per cent) and referral practice (3.1 per cent). The majority (48.2 per cent, 105/218) were very confident managing a colic case (confidence level 4/5). The most frequently used diagnostic tests were âresponse to analgesiaâ (87.2±24.0 per cent cases), rectal examination (75.9±21.2 per cent) and nasogastric intubation (43.8±27.6 per cent). Approach varied between practitioners, and for all diagnostic tests with frequency of use ranging from 0 to 100 per cent of cases. âRisk to personal safetyâ was the most common reason for not using rectal examination. Practitioner's opinion of their confidence level in managing a colic case was associated with how frequently they used different diagnostic tests. There was marked variation in practitionersâ approaches, highlighting the need for further evidence to support decision-making
Exploring Regional Differences In Social Work Pedagogy: Attitudes Toward Poverty
This study explores regional differences in student learning outcomes from pre and post-test surveys of undergraduate and first year graduate social work students (N = 373) enrolled in a social welfare policy class at six different CSWE accredited institutions. As expected, overall results showed a shift in student attitudes away from a personal deficiency explanation for poverty, a decline in stigmatization of poverty, and toward a more structural explanation for the causes of poverty, but significant differences were reported by geographical region. Future research should explore the instructor, pedagogical, and geographical factors that may help of hinder attitudinal preparation for practice social work students
Heavy quark mass dependence of semileptonic form factors for B decays
We present our study of the dependence of the heavy-to-light semileptonic B
decay form factors on the heavy-light meson mass . Simulations are made
over a range of the heavy quark mass covering both the charm and bottom quarks
using the -improved clover action at on a and
lattice. We find that a weak dependence of form factors on
observed in previous studies in the region of charm quark persists up
to the region of quark. The soft pion relation is
examined and found to be largely violated.Comment: 3 pages, latex source-file, 4 figures as epsf-file, uses espcrc2.sty.
Talk presented by S. Tominaga at Lattice 97, Edinburgh, Scotland, 22-26 Jul
199
Spacecraft Charging Issues for Launch Vehicles
Spacecraft charging is well known threat to successful long term spacecraft operations and instrument reliability in orbits that spend significant time in hot electron environments. In recent years, spacecraft charging has increasingly been recognized as a potentially significant engineering issue for launch vehicles used to deploy spacecraft using (a) low Earth orbit (LEO), high inclination flight trajectories that pass through the auroral zone, (b) geostationary transfer orbits that require exposures to the hot electron environments in the Earths outer radiation belts, and (c) LEO escape trajectories using multiple phasing orbits through the Earths radiation belts while raising apogee towards a final Earth escape geometry. Charging becomes an issue when significant areas of exposed insulating materials or ungrounded conductors are used in the launch vehicle design or the payload is designed for use in a benign charging region beyond the Earths magnetosphere but must survive passage through the strong charging regimes of the Earths radiation belts. This presentation will first outline the charging risks encountered on typical launch trajectories used to deploy spacecraft into Earth orbit and Earth escape trajectories. We then describe the process used by NASAs Launch Services Program to evaluate when surface and internal charging is a potential risk to a NASA mission. Finally, we describe the options for mitigating charging risks including modification of the launch vehicle and/or payload design and controlling the risk through operational launch constraints to avoid significant charging environment
Task analysis for error identification: Theory, method and validation
This paper presents the underlying theory of Task Analysis for Error Identification. The aim is to illustrate the development of a method that has been proposed for the evaluation of prototypical designs from the perspective of predicting human error. The paper presents the method applied to representative examples. The methodology is considered in terms of the various validation studies that have been conducted, and is discussed in the light of a specific case study
UK horse owners and veterinary practitioners' experiences of decisionâmaking for critical cases of colic
BackgroundThe survival of horses diagnosed with critical colic (requiring referral or euthanasia) relies on rapid and effective decision-making by the owner and veterinary practitioner.ObjectivesTo explore UK horse owners' and veterinary practitioners' experiences of decision-making for critical cases of equine colic.Study designQualitative study using a phenomenological approach.MethodsIndividual, semi-structured telephone interviews were conducted with 14 horse owners and 13 veterinary practitioners (vets) who had experienced a critical decision (referral or euthanasia) for a horse with colic. A purposive, convenience sample of participants was recruited. Sessions explored participant's experience of colic, including recognition, help-seeking behaviour, and challenges. Thematic analysis was performed on collected data.ResultsFour over-arching themes were identified; âheadâ, âheartâ, âpracticalitiesâ and âimpactâ. Owners acknowledged responsibility for their horse's welfare but had different perspectives than vets on the importance of finance (âheadâ). Both vets and owners described how the horseâhuman relationship (âheartâ) often led to conflict during decision-making. The vetâclient relationship was influential on decision-making for both owners and vets; involving other people in decision-making was described both positively and negatively by participants (âheartâ). âPracticalitiesâ, such as lack of preparedness, transport issues and adverse weather conditions, were identified by both owners and vets as barriers. Owners described a ârollercoasterâ of emotions after a critical decision, with profound impacts on their mental wellbeing, feelings of guilt, and long-term changes in behaviour (âimpactâ), and a lack of support to manage these feelings
Indigenous participation in intercultural education:learning from Mexico and Tanzania
Intercultural education seeks to create a forum for integrating Western scientific knowledge and indigenous knowledge to address local and global challenges such as biocultural diversity conservation, natural resource management, and social justice for indigenous peoples. Intercultural education is based on learning together with, rather than learning about or from, indigenous communities. In the best examples, problem-based learning dissolves the dichotomy between indigenous and nonindigenous, resulting in full partnerships in which participants share expertise to meet mutual needs. With reference to literature and two illustrative examples of intercultural education initiatives in Mexico and Tanzania, we present an original conceptual framework for assessing indigenous participation in intercultural education. This incorporates a new ladder of participation depth (in relation to both curriculum content and decision making) alongside separate considerations of breadth, i.e., stakeholder diversity, and scope, i.e., the number of key project stages in which certain stakeholder groups are participating. The framework can be used to compare intercultural education initiatives in differing contexts and might be adaptable to other intercultural work
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