224 research outputs found

    Underutilization of Anticoagulant for Venous Thromboembolism Prophylaxis in Three Hospitals in Jakarta

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    Aim: to assess the current use of anticoagulants and implementation of International Guidelines in venous thromboembolism (VTE) prophylaxis in hospitalized patients with acute medical illnesses in Jakarta, Indonesia. Methods: a multicenter, prospective, disease registry, recruiting patients diagnosed as acutely ill medical diseases and other medical conditions at risk of VTE, with in-hospital immobilization for at least 3 days. Results: of 401 patients, 46.9% received anticoagulants which included unfractionated heparin (64.4%), fondaparinux (11.7%), enoxaparin (9.6%), warfarin (3.7%), and combination of anticoagulants (10.6%). VTE prophylaxis using physical and mechanical method was used in 81.3% of patients, either as a single modality or in combination with anticoagulants. During hospitalization, VTE were found in 3.2% patients; 10 patients (2.5%) had lower limb events and 3 patients (0.75%) had a suspected pulmonary embolism. The main reference international guidelines used were AHA/ASA 2007 (47.4%), followed by ACCP 2008 (21.7%). Conclusion: the study showed underutilization of prophylaxis anticoagulants in which mechanical thromboprophylaxis either alone or combination with anticoagulants was the most commonly used. Unfractionated heparin was the preferable choice. The most commonly used guideline was AHA/ASA 2007. VTE thromboprophylaxis in medically ill patients needs to be encouraged. Key words: venous thromboembolism (VTE), prophylaxis, registry, non-surgery hospitalization

    Event-based record linkage in health and aged care services data: a methodological innovation

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    <p>Abstract</p> <p>Background</p> <p>The interface between acute hospital care and residential aged care has long been recognised as an important issue in aged care services research in Australia. However, existing national data provide very poor information on the movements of clients between the two sectors. Nevertheless, there are national data sets which separately contain data on individuals' hospital episodes and stays in residential aged care, so that linking the two data sets–if feasible–would provide a valuable resource for examining relationships between the two sectors. As neither name nor common person identifiers are available on the data sets, other information needs to be used to link events relating to inter-sector movement.</p> <p>Methods</p> <p>Event-based matching using limited demographic data in conjunction with event dates to match events in two data sets provides a possible method for linking related events. The authors develop a statistical model for examining the likely prevalence of false matches, and consequently the number of true matches, among achieved matches when using anonymous event-based record linkage to identify transition events.</p> <p>Results</p> <p>Theoretical analysis shows that for event-based matching the prevalence of false matches among achieved matches (a) declines as the events of interest become rarer, (b) declines as the number of matches increases, and (c) increases with the size of the population within which matching is taking place. The method also facilitates the examination of the trade-off between false matches and missed matches when relaxing or tightening linkage criteria.</p> <p>Conclusion</p> <p>Event-based record linkage is a method for linking related transition events using event dates and basic demographic variables (other than name or person identifier). The likely extent of false links among achieved links depends on the two event rates, the match rate and population size. Knowing these, it is possible to gauge whether, for a particular study, event-based linkage could provide a useful tool for examining movements. Analysis shows that there is a range of circumstances in which event-based record linkage could be applied to two event-level databases to generate a linked database useful for transition analysis.</p

    Effective Cost-Sharing Models in Higher Education: Insights from Low-Income Students in Australian Universities

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    This study examines the global trend in shifting university costs from national governments to individual students and families, with a specific focus on the existing cost-sharing model in Australian higher education. The research examines the manner in which the availability of income-contingent loans (through the Higher Education Contribution Scheme, or HECS) enters into individual cost assessments and evaluative frameworks during the university exploration and search process of low-income Australian youth, and the resulting lessons that might be applied to other national contexts. Semi-structured interviews with 16 participants addressed a broad range of issues related to the development of educational aspirations, and how beliefs and attitudes about cost influenced participants’ understanding and decision-making regarding tertiary enrollment and post-graduate plans. A number of discreet and related themes emerged from analysis of the interviews, including motivations for attending university; pre-university cost considerations; self-assessments of skills, abilities, and personal traits and characteristics; general financial orientation; pre-university experiences and influences; and the role of others including family, peers, teachers and other school staff. The author concludes that the Australian system is worthy of consideration by other nations as a possible mechanism for enhancing access to higher education for individuals who might otherwise not possess the opportunity to participate.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/42840/1/10734_2004_Article_6373.pd

    Meta-analyses of genome-wide association studies for postpartum depression

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    Objective: Postpartum depression (PPD) is a common subtype of major depressive disorder (MDD) that is more heritable, yet is understudied in psychiatric genetics. The authors conducted meta-analyses of genome-wide association studies (GWASs) to investigate the genetic architecture of PPD. Method: Meta-analyses were conducted on 18 cohorts of European ancestry (17,339 PPD cases and 53,426 controls), one cohort of East Asian ancestry (975 cases and 3,780 controls), and one cohort of African ancestry (456 cases and 1,255 controls), totaling 18,770 PPD cases and 58,461 controls. Post-GWAS analyses included 1) single-nucleotide polymorphism (SNP)–based heritability (), 2) genetic correlations between PPD and other phenotypes, and 3) enrichment of the PPD GWAS findings in 27 human tissues and 265 cell types from the mouse central and peripheral nervous system. Results: No SNP achieved genome-wide significance in the European or the trans-ancestry meta-analyses. The of PPD was 0.14 (SE=0.02). Significant genetic correlations were estimated for PPD with MDD, bipolar disorder, anxiety disorders, posttraumatic stress disorder, insomnia, age at menarche, and polycystic ovary syndrome. Cell-type enrichment analyses implicate inhibitory neurons in the thalamus and cholinergic neurons within septal nuclei of the hypothalamus, a pattern that differs from MDD. Conclusions: While more samples are needed to reach genome-wide levels of significance, the results presented confirm PPD as a polygenic and heritable phenotype. There is also evidence that despite a high correlation with MDD, PPD may have unique genetic components. Cell enrichment results suggest GABAergic neurons, which converge on a common mechanism with the only medication approved by the U.S. Food and Drug Administration for PPD (brexanolone)
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