829 research outputs found
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from Dialogues in Art and Design: Promoting and sharing ExcellenceUo
Investigating Potential Anti-Catholic Bias in Southern Media
This thesis researches newspapers in effort to find anti-Catholic bias particularly in the South. It also studied if the bias had changed over time. The study looked at five categories: “Nature of Headline,” “Presentation of Headline,” “Supportive Picture or Not,” “Body Text Content,” and “Tone of Story.” The “Tone of Story” category refers to the types of sources, which sources are placed where in the article, the location of where harsh and supportive words were placed within the article, and the “taste in the mouth” the researcher was left with upon completing the article. This category proved to be the biggest sign whether an article was bias or not. “Nature of Headline,” which took into account the words used in an article’s headline, also proved to be a good indicator of bias. The results suggested that northern and southern newspapers did not vary much at all. Ultimately, the research suggested that there was no bias in either the northern or southern newspapers examined. The study also suggested that anti-Catholic bias has lessened over the years
Raising awareness of Asperger’s Syndrome amongst coaches and athletes: the power of virtual support networks
The Virtual Alliance for sport technology (V.A.S.T) is an online tool utilised by a community of experts and practitioners to facilitate the generation and sharing of knowledge in order to promote inclusion in sport. The principal aim of the present study was to utilise this platform to create and evaluate an online teaching resource to provide support for coaches working with athletes with Asperger’s Syndrome. At present little information is provided by National governing bodies about Asperger’s, and as a consequence many athletes can be marginalised in sports provision.
A methods-driven evaluative framework was adopted in order to assess the impact of the web-tool. Gantt timelines and a programme theory were produced prior to the project, and programme processes were evaluated throughout. Website impact was assessed via triangulation of statistical analysis regarding website usage with interviews conducted with network users. Results were interpreted using a figurational framework to investigate how information about the web-tool was disseminated and transformed through virtual networks of interdependencies which linked participants diagnosed with Asperger syndrome, their coaches and the online community.
Results gained from this project are expected to highlight how web-based platforms have the capability to bring together otherwise marginalised groups with virtual networks of sports experts, athletes and practitioners. The implications of these results will increase awareness of participants with Asperger’s syndrome within sport and provide coaches, athletes and policy makers with information that will enable them to effectively teach and support sports participants with Asperger’s syndrome in an athlete-centric manner
Conducting qualitative research within Clinical Trials Units: Avoiding potential pitfalls
The value of using qualitative research within or alongside randomised controlled trials (RCTs) is
becoming more widely accepted. Qualitative research may be conducted concurrently with pilot or
full RCTs to understand the feasibility and acceptability of the interventions being tested, or to
improve trial conduct. Clinical Trials Units (CTUs) in the United Kingdom (UK) manage large
numbers of RCTs and, increasingly, manage the qualitative research or collaborate with qualitative
researchers external to the CTU. CTUs are beginning to explicitly manage the process, for example,
through the use of standard operating procedures for designing and implementing qualitative
research with trials. We reviewed the experiences of two UK Clinical Research Collaboration
(UKCRC) registered CTUs of conducting qualitative research concurrently with RCTs. Drawing on
experiences gained from 15 studies, we identify the potential for the qualitative research to
undermine the successful completion or scientific integrity of RCTs. We show that potential
problems can arise from feedback of interim or final qualitative findings to members of the trial team
or beyond, in particular reporting qualitative findings whilst the trial is on-going. The problems
include:
1. Unplanned modifications of the trial intervention during the full RCT
2. Selection bias and threats to external validity
3. Unblinding of group allocation
4. Breach of participant anonymity and confidentiality in small RCTs
5. Unplanned modifications of the trial processes and procedures
6. Threats to completion of recruitment, retention and outcome measurement. We make recommendations for improving the management of qualitative research within CTU
Reconstitution of a cyclic amp-dependet protein kinase from Dictyostellium discoideum
Dicytostelium discoideum has a cyclic AMP-dependent protein kinase activity which can be assayed after DEAE-ion exchange chromatography. Mixing cAMP binding protein (free of kinase activity) from the DEAE column eluate with the protein kinase catalytic activity from a chromatofocusing column leads to a restoration of the cyclic AMP-activatable protein kinase activity.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/25156/1/0000592.pd
Statins and Exercise Training Response in Heart Failure Patients: Insights From HF-ACTION.
OBJECTIVES: The aim of this study was to assess for a treatment interaction between statin use and exercise training (ET) response.
BACKGROUND: Recent data suggest that statins may attenuate ET response, but limited data exist in patients with heart failure (HF).
METHODS: HF-ACTION (Heart Failure: A Controlled Trial Investigating Outcomes of Exercise Training) was a randomized trial of 2,331 patients with chronic HF with ejection fraction ≤35% who were randomized to usual care with or without ET. We evaluated whether there was a treatment interaction between statins and ET response for the change in quality of life and aerobic capacity (peak oxygen consumption and 6-min walk distance) from baseline to 3 months. We also assessed for a treatment interaction among atorvastatin, simvastatin, and pravastatin and change in these endpoints with ET. Multiple linear regression analyses were performed for each endpoint, adjusting for baseline covariates.
RESULTS: Of 2,331 patients in the HF-ACTION trial, 1,353 (58%) were prescribed statins at baseline. Patients treated with statins were more likely to be older men with ischemic HF etiology but had similar use of renin angiotensin system blockers and beta-blockers. There was no evidence of a treatment interaction between statin use and ET on changes in quality of life or exercise capacity, nor was there evidence of differential association between statin type and ET response for these endpoints (all p values \u3e0.05).
CONCLUSIONS: In a large chronic HF cohort, there was no evidence of a treatment interaction between statin use and short-term change in aerobic capacity and quality of life with ET. These findings contrast with recent reports of an attenuation in ET response with statins in a different population, highlighting the need for future prospective studies. (Exercise Training Program to Improve Clinical Outcomes in Individuals With Congestive Heart Failure; NCT00047437)
Effect of Natriuretic Peptide-Guided Therapy on Hospitalization or Cardiovascular Mortality in High-Risk Patients With Heart Failure and Reduced Ejection Fraction: A Randomized Clinical Trial.
Importance: The natriuretic peptides are biochemical markers of heart failure (HF) severity and predictors of adverse outcomes. Smaller studies have evaluated adjusting HF therapy based on natriuretic peptide levels ( guided therapy ) with inconsistent results.
Objective: To determine whether an amino-terminal pro-B-type natriuretic peptide (NT-proBNP)-guided treatment strategy improves clinical outcomes vs usual care in high-risk patients with HF and reduced ejection fraction (HFrEF).
Design, Settings, and Participants: The Guiding Evidence Based Therapy Using Biomarker Intensified Treatment in Heart Failure (GUIDE-IT) study was a randomized multicenter clinical trial conducted between January 16, 2013, and September 20, 2016, at 45 clinical sites in the United States and Canada. This study planned to randomize 1100 patients with HFrEF (ejection fraction ≤40%), elevated natriuretic peptide levels within the prior 30 days, and a history of a prior HF event (HF hospitalization or equivalent) to either an NT-proBNP-guided strategy or usual care.
Interventions: Patients were randomized to either an NT-proBNP-guided strategy or usual care. Patients randomized to the guided strategy (n = 446) had HF therapy titrated with the goal of achieving a target NT-proBNP of less than 1000 pg/mL. Patients randomized to usual care (n = 448) had HF care in accordance with published guidelines, with emphasis on titration of proven neurohormonal therapies for HF. Serial measurement of NT-proBNP testing was discouraged in the usual care group.
Main Outcomes and Measures: The primary end point was the composite of time-to-first HF hospitalization or cardiovascular mortality. Prespecified secondary end points included all-cause mortality, total hospitalizations for HF, days alive and not hospitalized for cardiovascular reasons, the individual components on the primary end point, and adverse events.
Results: The data and safety monitoring board recommended stopping the study for futility when 894 (median age, 63 years; 286 [32%] women) of the planned 1100 patients had been enrolled with follow-up for a median of 15 months. The primary end point occurred in 164 patients (37%) in the biomarker-guided group and 164 patients (37%) in the usual care group (adjusted hazard ratio [HR], 0.98; 95% CI, 0.79-1.22; P = .88). Cardiovascular mortality was 12% (n = 53) in the biomarker-guided group and 13% (n = 57) in the usual care group (HR, 0.94; 95% CI; 0.65-1.37; P = .75). None of the secondary end points nor the decreases in the NT-proBNP levels achieved differed significantly between groups.
Conclusions and Relevance: In high-risk patients with HFrEF, a strategy of NT-proBNP-guided therapy was not more effective than a usual care strategy in improving outcomes.
Trial Registration: clinicaltrials.gov Identifier: NCT01685840
Rationale and design of the GUIDE-IT study: Guiding Evidence Based Therapy Using Biomarker Intensified Treatment in Heart Failure.
OBJECTIVES: The GUIDE-IT (Guiding Evidence Based Therapy Using Biomarker Intensified Treatment in Heart Failure) study is designed to determine the safety, efficacy, and cost-effectiveness of a strategy of adjusting therapy with the goal of achieving and maintaining a target N-terminal pro-B-type natriuretic peptide (NT-proBNP) level of
BACKGROUND: Elevations in natriuretic peptide (NP) levels provide key prognostic information in patients with HF. Therapies proven to improve outcomes in patients with HF are generally associated with decreasing levels of NPs, and observational data show that decreases in NP levels over time are associated with favorable outcomes. Results from smaller prospective, randomized studies of this strategy thus far have been mixed, and current guidelines do not recommend serial measurement of NP levels to guide therapy in patients with HF.
METHODS: GUIDE-IT is a prospective, randomized, controlled, unblinded, multicenter clinical trial designed to randomize approximately 1,100 high-risk subjects with systolic HF (left ventricular ejection fraction ≤40%) to either usual care (optimized guideline-recommended therapy) or a strategy of adjusting therapy with the goal of achieving and maintaining a target NT-proBNP level of
CONCLUSIONS: The GUIDE-IT study is designed to definitively assess the effects of an NP-guided strategy in high-risk patients with systolic HF on clinically relevant endpoints of mortality, hospitalization, quality of life, and medical resource use. (Guiding Evidence Based Therapy Using Biomarker Intensified Treatment in Heart Failure [GUIDE-IT]; NCT01685840)
Uncovering the emotional aspects of working on a clinical trial: a qualitative study of the experiences and views of staff involved in a type 1 diabetes trial
Background
The perspectives and experiences of trial staff are increasingly being investigated as these can be used to improve recruitment, adherence to trial protocols and support given to future staff. We interviewed staff working on a type 1 diabetes trial in order to aid interpretation of trial findings, inform recommendations for the rollout of the treatments investigated and provide recommendations for the conduct of future trials. However, our interviews uncovered aspects of trial work erstwhile unrecognised or underreported in the trials literature, and it is these which form the focus of this paper.
Methods
In-depth interviews were conducted with (n = 18) staff, recruited from seven centres, who were involved in recruitment and trial delivery. Data were analysed thematically.
Results
Alongside logistical and practical issues which made trial work challenging, staff often talked spontaneously and at length about how trial work had affected them emotionally. Staff not only described the emotional stresses arising from having to meet recruitment targets and from balancing research roles with clinical responsibilities, they also discussed having to emotionally manage patients and their colleagues. The emotional aspects of trial work particularly came to the fore when staff notified patients about their treatment allocation. On such occasions, staff described having to employ emotional strategies to pre-empt and manage potential patient disappointment and anger. Staff also described having to manage their own emotions when patients withdrew from the trial or were not randomised to the treatment arm which, in their clinical judgment, would have been in their best interests. To help address the emotional challenges they encountered, staff highlighted a need for more practical, emotional and specialist psychological support.
Conclusions
More attention should be paid to the emotional aspects of trial work to help ensure trial staff are adequately supported. Such support could comprise: increased training for staff to improve their own and patients’ understandings of randomization, role-play to develop techniques to manage patient anger and disappointment, sharing of good practice, formalised team support with psychological input and access to specialist psychological support to troubleshoot complex emotional and ethical issues
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