870 resultados para Public over 50 years


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Fifty years after its original drafting, the German constitution has seen its text amended many times. Indeed, among OECD countries, the Grundgesetz has one of the highest rates of constitutional change. This paper analyzes these changes. It does so in a quantitative manner in its first section, before proceeding to ask how the numerous changes can be explained. Three approaches from the legal and political science literature are presented: one emphasizing historical-structural factors, one analyzing changes as constitutional revisionism, and an institutional approach which focuses on the conditions for constitutional amendment. The strengths and weaknesses of each approach are then compared and contrasted, before the article concludes with an assessment of the characteristics of Gemuw constitutional policy.

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BACKGROUND: Despite stroke's high prevalence in the elderly, intravenous thrombolysis is licensed in Europe only for patients younger than 80 years old. We aimed to compare the functional outcomes and complication rates in patients older versus younger than 80 years old treated with intravenous thrombolysis. METHODS: A retrospective observational study of patients who received intravenous thrombolysis in a stroke unit between January 1, 2009, and June 30, 2012, was conducted. Variables were compared between 2 subgroups (≤80 and >80 years). RESULTS: Overall, 512 patients underwent intravenous thrombolysis, of which 13.1% were over 80 years. The mean age was 65.4 years in the younger subgroup and 82.9 years in the older subgroup. Prior independence rates did not differ between the subgroups. Prevalence of atrial fibrillation and cardioembolic stroke was higher in the older subgroup (P = .004 and .026). Only 3% of the elderly with atrial fibrillation were taking oral anticoagulants. Symptoms-to-needle time was lower in the older subgroup (P = .048). Stroke severity was higher in patients over 80 years (P = .026). There was significant improvement in the National Institutes of Health Stroke Scale score 7 days after intravenous thrombolysis (P < .001) in both subgroups. The proportion of patients with 3 months' favorable outcome and independence, hemorrhagic transformation, and mortality rates were similar in both subgroups. CONCLUSIONS: Elderly patients' benefits and outcomes from intravenous thrombolysis treatment were identical to the younger subgroup without excess hemorrhagic transformation or mortality. These results favor the use of intravenous thrombolysis in patients over 80 years.

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The evaluation of a community-based screening programme for melanoma (SkinWatch) in 18 regional communities (total adult population >30 years 63 035) in Queensland, Australia is described. The aim of the SkinWatch programme was to promote whole-body skin screening for melanoma by primary care physicians. The programme included community education, education and support for local medical practitioners and open-access skin screening clinics. Programme delivery was achieved through assistance of local volunteers. All programme activities and resources were recorded for process evaluation. A baseline telephone survey (n = 3110) and a telephone survey four months after programme launch (n = 680) assessed community awareness of the SkinWatch programme and, 37 face-to-face interviews with community members, doctors and community leaders were conducted to assess satisfaction with the programme. A sample of 1043 of 16 383 residents who attended the skin screening clinics provided as part of the programme were interviewed to assess reasons for attending, and positive and negative aspects of SkinWatch programme. Community awareness of the SkinWatch programme increased by over 30% (p < 0.001) within four months of the start of the programme. Interview participants described the SkinWatch programme as a useful service for the communities and 90% stated they would revisit the clinics. A total of 43% of all attendees were over 50 years old, and nearly 50% were men. These findings demonstrate the acceptability and feasibility of a community-based screening programme for melanoma in rural areas. Volunteers were instrumental in increasing community ownership of and involvement in the SkinWatch programme.

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A review essay on books by (1) Efika Feller, Volker Turk, & Frances Nicholson (Eds), Refugee Protection in International Law: UNHCR's Global Consultations on International Protection (Cambridge, UK: Cambridge U Press, 2003); (2) Niklaus Steiner, Mark Gibney & Gil Loescher (Eds), Problems of Protection: The UNHCR, Refugees and Human Rights (New York: Routledge, 2003); & (3) Joanne Van Selm, Khotine Kamanga, John Morrison, Aninia Nadig, Sanja Spoljar-Vrzina, & Loes Van Willigen (Eds), The Refugee Convention at Fifty: A View from Forced Migration Studies (Maryland, Lexington, 2003).

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Objective: Whole-body skin self-examination (SSE) with presentation of suspicious lesions to a physician may improve early detection of melanoma. The aim of this study was to establish the prevalence and determinants of SSE in a high-risk population in preparation for a community-based randomised controlled trial of screening for melanoma. Methods: A telephone survey reached 3110 residents older than 30 years (overall response rate of 66.9%) randomly selected from 18 regional communities in Queensland, Australia. Results: Overall, 804 (25.9%) participants reported whole-body SSE within the past 12 months and 1055 (33.9%) within the past three years. Whole-body SSE was associated in multivariate logistic regression analysis with younger age (< 50 years); higher education; having received either a whole-body skin examination, recommendation or instruction on SSE by a primary care physician; giving skin checks a high priority; concern about skin cancer and a personal history of skin cancer. Conclusion: Overall, the prevalence of SSE in the present study is among the highest yet observed in Australia, with about one-third of the adult population reporting whole-body SSE in the past three years. People over 50 years, who are at relatively higher risk for skin cancer, currently perform SSE less frequently than younger people.

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Nitrogen loading to aquatic ecosystems from sewage is recognised worldwide as a growing problem. The use of nitrogen stable isotopes as a means of discerning sewage nitrogen in the environment has been used annually by the Ecosystem Health Monitoring Program in Moreton Bay (Australia) since 1997 when the technique was first developed. This (sewage plume mapping) technique, which measures the delta(15)N isotopic signature of the red macroalga Catenella nipae after incubation in situ, has demonstrated a large reduction in the magnitude and spatial extent of sewage nitrogen within Moreton Bay over the past 5 years. This observed reduction coincides with considerable upgrades to the nitrogen removal efficacy at several sewage treatment plants within the region. This paper describes the observed changes and evaluates whether they can be attributed to the treatment upgrades. (c) 2004 Published by Elsevier Ltd.

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Background and Objectives: This paper reports on historical changes in assessment culminating in the experience of one discipline with negotiated student feedback that has helped design and modify assessment to cater for the requirements of both students and teachers. The standard of assessment required to pass Obstetrics and Gynaecology in the four year graduate entry program in the School of Medicine at The University of Queensland, Brisbane, Australia has become less formalised and more collaborative. Changes in assessment in this discipline over the last 20 years reflect the development of an understanding of the educational principles associated with adult teaching and learning. Assessment has evolved from being teacher focussed, with questionable reliability, validity, and emphasis on outcomes, to being focussed on learning and the student. Multiplechoice examinations, combined with a collaborative approach to the reliability and validity of questions and answers and a debrief or feedback session have been found to provide an assessment format that is art acceptable measure oflearning for both teachers and students. Changes in assessment reflect a collaborative process between teachers and students based on principles of adult learning and involving negotiated student feedback. Our experience with this form of negotiated outcome for assessment is presented together with suggestions for improvement and is contrasted with assessment methods used in this department over the last 20 years. Change and refinement will continue as medical programs strive to meet the learning needs of students and assessment outcomes that are acceptable to its teachers.

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Choroidal osteoma is a rare, benign, ossifying tumour of the choroid of unknown aetiology. In contrast to other types of intraocular ossification, choroidal osteoma is found typically in young healthy females in the second or third decades of life with no history of systemic or ocular disease. Choroidal osteoma is a deep, pale yellow lesion with distinct geographic borders at the juxtapapillary or macular region, with branching 'spider' vessels on the surface of the tumour. These features should help differentiate choroidal osteoma from other types of intraocular tumour and the diagnosis can be confirmed with ultrasonography and computerised tomography. Here we report an initially unilateral case of choroidal osteoma, which decalcified over 20 years but during the same period the fellow eye also developed a choroidal osteoma to become a bilateral case. Despite the benign nature of the tumour, vision may be compromised by gradual atrophy of the overlying retina, serous retinal detachment, accumulation of sub-retinal fluid and sub-retinal haemorrhage associated with choroidal neovascularisation. Frequent examinations are recommended for patients with choroidal osteoma, for early detection of a subretinal neovascular membrane and potential treatment with laser photocoagulation.