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- Watt, F. E., et al.
(author)
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Towards prevention of post-traumatic osteoarthritis : report from an international expert working group on considerations for the design and conduct of interventional studies following acute knee injury
- 2019
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In: Osteoarthritis and Cartilage. - : Elsevier BV. - 1063-4584. ; 27:1, s. 23-33
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Journal article (peer-reviewed)abstract
- Objective: There are few guidelines for clinical trials of interventions for prevention of post-traumatic osteoarthritis (PTOA), reflecting challenges in this area. An international multi-disciplinary expert group including patients was convened to generate points to consider for the design and conduct of interventional studies following acute knee injury. Design: An evidence review on acute knee injury interventional studies to prevent PTOA was presented to the group, alongside overviews of challenges in this area, including potential targets, biomarkers and imaging. Working groups considered pre-identified key areas: eligibility criteria and outcomes, biomarkers, injury definition and intervention timing including multi-modality interventions. Consensus agreement within the group on points to consider was generated and is reported here after iterative review by all contributors. Results: The evidence review identified 37 studies. Study duration and outcomes varied widely and 70% examined surgical interventions. Considerations were grouped into three areas: justification of inclusion criteria including the classification of injury and participant age (as people over 35 may have pre-existing OA); careful consideration in the selection and timing of outcomes or biomarkers; definition of the intervention(s)/comparator(s) and the appropriate time-window for intervention (considerations may be particular to intervention type). Areas for further research included demonstrating the utility of patient-reported outcomes, biomarkers and imaging outcomes from ancillary/cohort studies in this area, and development of surrogate clinical trial endpoints that shorten the duration of clinical trials and are acceptable to regulatory agencies. Conclusions: These considerations represent the first international consensus on the conduct of interventional studies following acute knee joint trauma.
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- Alafuzoff, Irina, et al.
(author)
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The need to unify neuropathological assessments of vascular alterations in the ageing brain : Multicentre survey by the BrainNet Europe consortium
- 2012
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In: Experimental Gerontology. - : Elsevier BV. - 0531-5565 .- 1873-6815. ; 47:11, s. 825-833
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Journal article (peer-reviewed)abstract
- Here, we summarise the results after carrying out a large survey regarding the assessment of vascular alterations, both vessel changes and vascular lesions in an inter-laboratory setting. In total, 32 neuropathologists from 22 centres, most being members of BrainNet Europe (BNE), participated by filling out a questionnaire with emphasis on assessment of common vascular alterations seen in the brains of aged subjects. A certain level of harmonisation has been reached among BNE members regarding sectioning of the brain, harvesting of brain tissue for histology and staining used when compared to the survey carried out in 2006 by Pantoni and colleagues. The most significant variability was seen regarding the assessment of severity and of clinical significance of vascular alterations. Two strategies have recently been recommended regarding the assessment of vascular alterations in aged and demented subjects. The National Institute on Aging - Alzheimer's Association (NIA-AA) recommends the assessment of hippocampal sclerosis, vascular brain injury and microvascular lesions in 12 regions. Although this strategy will be easy to follow, the recommendations do not inform how the load of observed alterations should be assessed and when the observed lesions are of significance. Deramecourt and his colleagues recommend an assessment and semiquantitative grading of various pathologies in 4 brain regions. This strategy yielded a total score of 0 to 20 as an estimate of pathology load. It is, however, not clear which score is considered to be of clinical significance. Furthermore, in several BNE trials the semiquantitative assessment has yielded poor agreement rates; an observation that might negatively influence the strategy proposed by Deramecourt and his colleagues. In line with NIA-AA, a dichotomised approach of easily recognisable lesions in a standardised set of brain regions harvested for neuropathological assessment and applying reproducible sampling and staining strategies is recommended by BNE. However, a simple strategy regarding assessment of load of alteration is urgently needed to yield reproducible, and at the same time, comparable results between centres.
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- Kehoe, Laura, et al.
(author)
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Make EU trade with Brazil sustainable
- 2019
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In: Science. - : American Association for the Advancement of Science (AAAS). - 0036-8075 .- 1095-9203. ; 364:6438, s. 341-
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Journal article (other academic/artistic)
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- Walfridsson, Håkan, et al.
(author)
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Radiofrequency ablation as initial therapy in paroxysmal atrial fibrillation: results on health-related quality of life and symptom burden. The MANTRA-PAF trial
- 2015
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In: Europace. - : Oxford University Press (OUP): Policy B - Oxford Open Option B - CC-BY. - 1099-5129 .- 1532-2092. ; 17:2, s. 215-221
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Journal article (peer-reviewed)abstract
- Aims The Medical ANtiarrhythmic Treatment or Radiofrequency Ablation in Paroxysmal Atrial Fibrillation (MANTRA-PAF) trial assessed the long-term efficacy of an initial strategy of radiofrequency ablation (RFA) vs. antiarrhythmic drug therapy (AAD) as first-line treatment for patients with PAF. In this substudy, we evaluated the effect of these treatment modalities on the Health-Related Quality of Life (HRQoL) and symptom burden of patients at 12 and 24 months. Methods and results During the study period, 294 patients were enrolled in the MANTRA-PAF trial and randomized to receive AAD (N = 148) or RFA (N = 146). Two generic questionnaires were used to assess the HRQoL [Short Form-36 (SF-36) and EuroQol-five dimensions (EQ-5D)], and the Arrhythmia-Specific questionnaire in Tachycardia and Arrhythmia (ASTA) was used to evaluate the symptoms appearing during the trial. All comparisons were made on an intention-to-treat basis. Both randomization groups showed significant improvements in assessments with both SF-36 and EQ-5D, at 24 months. Patients randomized to RFA showed significantly greater improvement in four physically related scales of the SF-36. The three most frequently reported symptoms were breathlessness during activity, pronounced tiredness, and worry/anxiety. In both groups, there was a significant reduction in ASTA symptom index and in the severity of seven of the eight symptoms over time. Conclusion Both AAD and RFA as first-line treatment resulted in substantial improvement of HRQoL and symptom burden in patients with PAF. Patients randomized to RFA showed greater improvement in physical scales (SF-36) and the EQ-visual analogue scale.
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