1,561 research outputs found
Development of life-test methodology for long-life mechanical components. Phase 1: Development of methodology. Phase 2: Demonstration of methodology
The interaction between policy and education using stroke as an example
This paper discusses the interaction between healthcare policy at the European, UK and Scottish levels and the funding of education that underpins specific health policy priorities. Stroke is used throughout to illustrate the relationship between a designated European and UK health priority and the translation of that priority into clinical delivery. The necessity to build a responsive and sustainable culture to address the healthcare education that underpins changing healthcare policies is emphasized
Development of life-test methodology for long-life mechanical components. Phase 1: Development of methodology
The challenge of acute-stroke management: does telemedicine offer a solution?
<p><b>Background:</b> Several studies have described successful experiences with the use of telemedicine in acute stroke. The objective of this study was to assess the feasibility, acceptability, and treatment delivery reliability, of telemedicine systems for the clinical and radiological assessment, and management of acute-stroke patients.</p>
<p><b>Summary of Review:</b> A systematic review of the literature was carried out. Studies were included if they met the following criteria: (1) study population included participants with a diagnosis of suspected acute stroke, (2) intervention included the use of telemedicine systems to aid assessment, diagnosis, or treatment in acute stroke, and (3) outcomes measured related to feasibility in clinical practice, acceptability to patients, carers, and staff, reliability of telemedicine systems, and effectiveness in delivering treatment, especially tissue plasminogen activator (tPA). Overall, 17 relevant non-randomised studies reported that telemedicine systems were feasible and acceptable. Interrater reliability was excellent for global clinical assessments and decisions on radiological exclusion criteria although agreement for individual assessment items was more variable. Telemedicine systems were associated with increased use of tPA.</p>
<p><b>Conclusion:</b> Although there is limited reliable evidence, observational studies have indicated that telemedicine systems can be feasible, acceptable, and reliable in acute-stroke management. In addition, telemedicine consultations were associated with improved delivery of tPA.</p>
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Coronary Artery Calcification (CAC) and Post-Trial Cardiovascular Events and Mortality Within the Women's Health Initiative (WHI) Estrogen-Alone Trial.
BackgroundAmong women aged 50 to 59 years at baseline in the Women's Health Initiative (WHI) Estrogen-Alone (E-Alone) trial, randomization to conjugated equine estrogen-alone versus placebo was associated with lower risk of myocardial infarction and mortality, and, in an ancillary study, the WHI-CACS (WHI Coronary Artery Calcification Study) with lower CAC, measured by cardiac computed tomography ≈8.7 years after baseline randomization. We hypothesized that higher CAC would be related to post-trial coronary heart disease (CHD), cardiovascular disease (CVD), and total mortality, independent of baseline randomization or risk factors.Methods and resultsWHI-CACS participants (n=1020) were followed ≈8 years from computed tomography scan in 2005 (mean age=64.4) through 2013 for incident CHD (myocardial infarction and fatal CHD, n=17), CVD (n=69), and total mortality (n=55). Incident CHD and CVD analyses excluded women with CVD before scan (n=89). Women with CAC=0 (n=54%) had very low age-adjusted rates/1000 person-years of CHD (0.91), CVD (5.56), and mortality (3.45). In comparison, rates were ≈2-fold higher for women with any CAC (>0). Associations were not modified by baseline randomization to conjugated equine estrogen-alone versus placebo. Adjusted for baseline randomization and risk factors, the hazard ratio (95% confidence interval) for CAC >100 (19%) was 4.06 (2.11, 7.80) for CVD and 2.70 (1.26, 5.79) for mortality.ConclusionsAmong a subset of postmenopausal women aged 50 to 59 years at baseline in the WHI E-Alone Trial, CAC at mean age of 64 years was strongly related to incident CHD, CVD, and to total mortality over ≈8 years, independent of baseline randomization to conjugated equine estrogen-alone versus placebo or CVD risk factors.Clinical trial registrationURL: https://www.clinicaltrials.gov. Unique identifier: NCT00000611
Defective axonal transport in motor neuron disease
Several recent studies have highlighted the role of axonal transport in the pathogenesis of motor neuron diseases. Mutations in genes that control microtubule regulation and dynamics have been shown to cause motor neuron degeneration in mice and in a form of human motor neuron disease. In addition, mutations in the molecular motors dynein and kinesins and several proteins associated with the membranes of intracellular vesicles that undergo transport cause motor neuron degeneration in humans and mice. Paradoxically, evidence from studies on the legs at odd angles (Loa) mouse and a transgenic mouse model for human motor neuron disease suggest that partial limitation of the function of dynein may in fact lead to improved axonal transport in the transgenic mouse, leading to delayed disease onset and increased life span
CLOSET IMPURITIES: MISCEGENATION AND THE RACIAL CLOSET IN URBANO DUARTE AND ARTUR DE AZEVEDO’S O ESCRAVOCRATA
Abstract: Through a close reading of Artur de Azevedo and Urbano Duarte’s 1882 play O Escravocrata [The Slaveocrat], I examine the period anxieties surrounding miscegenation between black men and white women in the wake of abolition and turn of the century European immigration. Juxtaposing Brazil and the United States, I argue that these socially prohibited relationships challenged both slavery as an institution and Brazilian racial categorization. Drawing from queer theory, I show how the progeny of these interracial relationships lived in what I term a “racial closet,” a space marked by clandestinity and precarity, and how the constitutive practice of “racial outing,” the public revelation of African heritage was a way of sustaining white supremacy and the social and political distinctions between black and white, free and enslaved. Key words: Slavery; Miscegenation; Theater; Abolition Resumo: Através de uma leitura atenta da peça teatral, O Escravocrata (1882), de Artur Azevedo e Urbano Duarte, o seguinte ensaio examina as ansiedades brancas em torno da mestiçagem entre homens negros e mulheres brancas depois da abolição e no contexto da imigração europeia para o Brasil. Por meio de uma lente crítica e comparativa entre o Brasil e os Estados Unidos, proponho que tais relações proibidas desafiaram tanto a instituição escravocrata como as estruturas nacionais de categorização racial. Partindo da teoria queer, procuro demonstrar como os frutos destas relações inter-raciais acabavam por ocupar um “armário racial” – um espaço marcado pela clandestinidade e precariedade – e como a prática de “flagramento racial,” a revelação pública de ascendência africana, funcionou como método de reproduzir as estruturas vigentes de supremacia branca e as distinções sociais e políticas entre branco e negro, livre e escravo.Palavras-chave: Escravidão; Mestiçagem; Teatro; Aboliçã
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Modifying effect of obesity on the association between sitting time and incident diabetes in post-menopausal women
Objective: To evaluate the association between self-reported daily sitting time and the incidence of type II diabetes in a cohort of postmenopausal women. Design and Methods Women (N = 88,829) without diagnosed diabetes reported the number of hours spent sitting over a typical day. Incident cases of diabetes were identified annually by self-reported initiation of using oral medications or insulin for diabetes over 14.4 years follow-up. Results: Each hour of sitting time was positively associated with increased risk of diabetes (Risk ratio (RR): 1.05; 95% confidence interval (CI): 1.02–1.08]. However, sitting time was only positively associated with incident diabetes in obese women. Obese women reporting sitting 8–11 (RR: 1.08; 95% CI 1.0–1.1), 12–15 (OR: 1.13; 95% CI 1.0–1.2), and ≥16 hours (OR: 1.25; 95% CI 1.0–1.5) hours per day had an increased risk of diabetes compared to women sitting ≤ 7 hours per day. These associations were adjusted for demographics, health conditions, behaviors (smoking, diet and alcohol intake) and family history of diabetes. Time performing moderate to vigorous intensity physical activity did not modify these associations. Conclusion: Time spent sitting was independently associated with increased risk of diabetes diagnosis among obese women— a population already at high risk of the disease
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