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Träfflista för sökning "WFRF:(Ekman S) srt2:(2010-2014)"

Sökning: WFRF:(Ekman S) > (2010-2014)

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1.
  • Thompson, Paul M., et al. (författare)
  • The ENIGMA Consortium : large-scale collaborative analyses of neuroimaging and genetic data
  • 2014
  • Ingår i: BRAIN IMAGING BEHAV. - : Springer Science and Business Media LLC. - 1931-7557 .- 1931-7565. ; 8:2, s. 153-182
  • Tidskriftsartikel (refereegranskat)abstract
    • The Enhancing NeuroImaging Genetics through Meta-Analysis (ENIGMA) Consortium is a collaborative network of researchers working together on a range of large-scale studies that integrate data from 70 institutions worldwide. Organized into Working Groups that tackle questions in neuroscience, genetics, and medicine, ENIGMA studies have analyzed neuroimaging data from over 12,826 subjects. In addition, data from 12,171 individuals were provided by the CHARGE consortium for replication of findings, in a total of 24,997 subjects. By meta-analyzing results from many sites, ENIGMA has detected factors that affect the brain that no individual site could detect on its own, and that require larger numbers of subjects than any individual neuroimaging study has currently collected. ENIGMA's first project was a genome-wide association study identifying common variants in the genome associated with hippocampal volume or intracranial volume. Continuing work is exploring genetic associations with subcortical volumes (ENIGMA2) and white matter microstructure (ENIGMA-DTI). Working groups also focus on understanding how schizophrenia, bipolar illness, major depression and attention deficit/hyperactivity disorder (ADHD) affect the brain. We review the current progress of the ENIGMA Consortium, along with challenges and unexpected discoveries made on the way.
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2.
  • Zannad, F., et al. (författare)
  • Clinical outcome endpoints in heart failure trials: a European Society of Cardiology Heart Failure Association consensus document
  • 2013
  • Ingår i: European Journal of Heart Failure. - : Wiley. - 1388-9842 .- 1879-0844. ; 15:10, s. 1082-1094
  • Tidskriftsartikel (refereegranskat)abstract
    • Endpoint selection is a critically important step in clinical trial design. It poses major challenges for investigators, regulators, and study sponsors, and it also has important clinical and practical implications for physicians and patients. Clinical outcomes of interest in heart failure trials include all-cause mortality, cause-specific mortality, relevant non-fatal morbidity (e.g. all-cause and cause-specific hospitalization), composites capturing both morbidity and mortality, safety, symptoms, functional capacity, and patient-reported outcomes. Each of these endpoints has strengths and weaknesses that create controversies regarding which is most appropriate in terms of clinical importance, sensitivity, reliability, and consistency. Not surprisingly, a lack of consensus exists within the scientific community regarding the optimal endpoint(s) for both acute and chronic heart failure trials. In an effort to address these issues, the Heart Failure Association of the European Society of Cardiology (HFA-ESC) convened a group of expert heart failure clinical investigators, biostatisticians, regulators, and pharmaceutical industry scientists (Nice, France, 12-13 February 2012) to evaluate the challenges of defining heart failure endpoints in clinical trials and to develop a consensus framework. This report summarizes the group's recommendations for achieving common views on heart failure endpoints in clinical trials.
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  • Ekman, A., et al. (författare)
  • Designing a process for a monopoly to transform to a free market competitor -the swedish pharmacy system
  • 2011
  • Ingår i: ICED 11 - 18th International Conference on Engineering Design - Impacting Society Through Engineering Design. - 9781904670230 ; , s. 153-163
  • Konferensbidrag (refereegranskat)abstract
    • The purpose of this paper is to discuss how a political driven transition of a large company, Apoteket AB in Sweden with 12,000 employees - the pharmacy state monopoly - can be designed and managed to become a free market competitive player. The reregulation process, with a great variety of stakeholders involved, has since 2006 been followed, documented and analyzed. In the domain of pharmacy products and services - essential for health and well-being - a design and innovation process must be handled with care for balancing pharmaceutical and business strategies. The research contribution and expected learning outcome of this paper are to give insights; first on processes and methods for organizational designs and transformation; second to get experience from designing and implementing a management strategy to lead the reregulation to success; and third to get knowledge on how traditional professional roles can be changed and developed by designing a process with clear goals, conscious learning and a communicative strategy. Copyright © 2002-2012 The Design Society. All rights reserved.
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  • Holgersson, G., et al. (författare)
  • Molecular profiling using tissue microarrays as a tool to identify predictive biomarkers in laryngeal cancer treated with radiotherapy
  • 2010
  • Ingår i: Cancer Genomics & Proteomics. - 1109-6535 .- 1790-6245. ; 7:1, s. 1-7
  • Tidskriftsartikel (refereegranskat)abstract
    • Aim: To explore the usefulness of the expression of five potential cancer biomarkers in predicting outcome in patients with laryngeal cancer. Materials and Methods: In the present study, the Swedish National Cancer Registry databases were used to identify patients with laryngeal cancer diagnosed during the years 1978-2004 in the Uppsala-Örebro region and treated with radiotherapy. The expression of Ki-67, MutS homolog 2, (MSH2), p53, B-cell CLL/lymphoma 2 (Bcl-2) and cyclin D1 in the cancer cells was assessed immunohistochemically using tissue microarrays (TMAs) and its predictve value on survival and relapse was analyzed using Cox regression models. Results: A total of 39 patients were included in the present study. Nuclear MSH2 staining was statistically significantly correlated to Ki-67 expression (p=0.022). However, univariate and multivariate Cox analyses showed no statistically significant association between the expression of the investigated biomarkers and overall survival or relapse. Conclusion: The present exploratory study does not show any significant predictive value of the biomarkers examined with respect to survival or relapse. However, with larger patient cohorts, we believe that protein profiling using TMAs and immunohistochemistry is a feasible strategy for prognostic and predictive biomarker screening in laryngeal cancer.
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7.
  • Liu, X., et al. (författare)
  • Toward a minimal representation of aerosols in climate models : description and evaluation in the Community Atmosphere Model CAM5
  • 2012
  • Ingår i: Geoscientific Model Development. - : Copernicus GmbH. - 1991-959X .- 1991-9603. ; 5:3, s. 709-739
  • Tidskriftsartikel (refereegranskat)abstract
    • A modal aerosol module (MAM) has been developed for the Community Atmosphere Model version 5 (CAM5), the atmospheric component of the Community Earth System Model version 1 (CESM1). MAM is capable of simulating the aerosol size distribution and both internal and external mixing between aerosol components, treating numerous complicated aerosol processes and aerosol physical, chemical and optical properties in a physically-based manner. Two MAM versions were developed: a more complete version with seven lognormal modes (MAM7), and a version with three lognormal modes (MAM3) for the purpose of long-term (decades to centuries) simulations. In this paper a description and evaluation of the aerosol module and its two representations are provided. Sensitivity of the aerosol lifecycle to simplifications in the representation of aerosol is discussed. Simulated sulfate and secondary organic aerosol (SOA) mass concentrations are remarkably similar between MAM3 and MAM7. Differences in primary organic matter (POM) and black carbon (BC) concentrations between MAM3 and MAM7 are also small (mostly within 10 %). The mineral dust global burden differs by 10 % and sea salt burden by 30-40 % between MAM3 and MAM7, mainly due to the different size ranges for dust and sea salt modes and different standard deviations of the log-normal size distribution for sea salt modes between MAM3 and MAM7. The model is able to qualitatively capture the observed geographical and temporal variations of aerosol mass and number concentrations, size distributions, and aerosol optical properties. However, there are noticeable biases; e.g., simulated BC concentrations are significantly lower than measurements in the Arctic. There is a low bias in modeled aerosol optical depth on the global scale, especially in the developing countries. These biases in aerosol simulations clearly indicate the need for improvements of aerosol processes (e.g., emission fluxes of anthropogenic aerosols and precursor gases in developing countries, boundary layer nucleation) and properties (e.g., primary aerosol emission size, POM hygroscopicity). In addition, the critical role of cloud properties (e. g., liquid water content, cloud fraction) responsible for the wet scavenging of aerosol is highlighted.
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  • Bosworth, H. B., et al. (författare)
  • Medication adherence: a call for action
  • 2011
  • Ingår i: American heart journal. - : Elsevier BV. - 1097-6744 .- 0002-8703. ; 162:3, s. 412-24
  • Tidskriftsartikel (refereegranskat)abstract
    • Poor adherence to efficacious cardiovascular-related medications has led to considerable morbidity, mortality, and avoidable health care costs. This article provides results of a recent think-tank meeting in which various stakeholder groups representing key experts from consumers, community health providers, the academic community, decision-making government officials (Food and Drug Administration, National Institutes of Health, etc), and industry scientists met to evaluate the current status of medication adherence and provide recommendations for improving outcomes. Below, we review the magnitude of the problem of medication adherence, prevalence, impact, and cost. We then summarize proven effective approaches and conclude with a discussion of recommendations to address this growing and significant public health issue of medication nonadherence.
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10.
  • Ekman, Diana S, et al. (författare)
  • Is Sweden still a role model for safety? An overview of unintentional injury data over the past two decades
  • 2010
  • Ingår i: INTERNATIONAL JOURNAL OF INJURY CONTROL AND SAFETY PROMOTION. - : Taylor and Francis. - 1745-7300 .- 1745-7319. ; 17:3, s. 195-203
  • Tidskriftsartikel (refereegranskat)abstract
    • This study investigates injury-related mortality and hospitalisations, during 1987-2007 in Sweden. Injuries were classified according to International Classification of Diseases (ICD) -8 for pre-1987 injuries, ICD-9 for 1987-1996 injuries and ICD-10 for injuries occurring in 1997 and later. Data on mortality from injuries during 1987-2007 were collected from Swedens national Cause-of-Death Register, while data concerning injury diagnoses leading to hospitalisation stays of at least 24h, occurring during 1987-2007, were obtained from the national Patient Register. Crude rates were derived for injury-related deaths and injury-related hospitalisations for age-gender groups, using population data from Statistics Sweden. Our results showed a mixed picture of injury-related hospitalisations and deaths over the study period. Absolute numbers of injury-related deaths and injury-related hospitalisations decreased over time for the population as a whole and for many, but not all, age-gender groups. When assessing crude injury-related death rates and crude injury-related hospitalisation rates over time, as categorised by gender and age groupings, we also found unchanging or increased risks for injury-related deaths and/or hospitalisations for several age-gender groups. While Sweden has made remarkable progress in reducing injury-related deaths and hospitalisations, there are clear differences in risk that remain.
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