135 research outputs found

    Public and Private Economic Feasibility of Green Areas as a Passive Energy Measure: A Case Study in the Mediterranean City of Trapani in Southern Italy

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    Green infrastructure in urban environments provides a wide range of ecological, social, aesthetic, and health co-benefits. Urban plant covers in particular contribute to improved outdoor environmental conditions that, in turn, influence the energy behavior of buildings and their indoor thermo-hygrometric comfort performance. Within this context, this study illustrates a methodology aimed at verifying the economic feasibility of alternative types of green areas for public and private stakeholders, which are analyzed as passive energy measures. Therefore, our methodology integrates approaches from different disciplines and consists of a microclimatic analysis of different vegetation scenarios and of the outdoor comfort level, an evaluation of the energy needs of a sample of houses, and an economic feasibility estimation considering different scenarios and public and private investors. The methodology is illustrated through its application to a suburban district of the Sicilian city of Trapani in the South of Italy, considered representative of Mediterranean climate conditions. Results showed significant differences between the scenario outcomes depending on the type of vegetation used in the green areas and put in evidence how economic feasibility for some stakeholders may be achieved in the management phase if adequate incentives equal to the planting cost are assumed

    Real-world assessment of healthcare provided by the National Health Service: The network of regional Beaver research platforms

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    Real-world evidence can provide answers on healthcare utilization and appropriateness, post-marketing drugs safety and comparative effectiveness, and cost-effectiveness profiles of healthcare pathways. Healthcare utilization databases, possibly integrated with drug and disease registries, electronic medical records, survey and cohort data (i.e. real-world data), allow to trace healthcare ‘footprints’ left from beneficiaries of National Health Service. Beaver is a research platform available on demand to Italian regions which we developed for computing indicators of healthcare utilization and clinical outcomes, as well as for generating evidence on effectiveness and cost-effectiveness profile. Two distinct solutions may be adopted. One, the so-called Beaver Light front-end allows to automatically compute health indicators of adherence to official guidelines. Two, the so-called Beaver Full front-end involves an eight-step procedure entirely driven by the study protocol. In order to fulfil the directives recently issued by the European Parliament and Council and the Italian Authority for the protection of individual data, the platform resides in each region’s infrastructure, so limiting the free movement of electronic health data. Indeed, regional authorities should be responsible for data safety and for allowing data accessibility. The use of standardized and validated algorithms enables to obtain regional estimates that, being obtained by employing regional platforms containing data extracted with standardized procedure, may be compared and possibly summarized by using common meta-analytic techniques. In conclusion, the Beaver regional platform is a promising tool which may contribute to stimulate healthcare research in Italy

    Quality Assessment of Healthcare Databases

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    The assessment of data quality and suitability plays an important role in improving the validity and generalisability of the results of studies based on secondary use of health databases. The availability of more and more updated and valid information on data quality and suitability provides data users and researchers an useful tool to optimize their activities. In this paper, we have summarized and synthesized the main aspects of Data Quality Assessment (DQA) applied in the field of secondary use of healthcare databases, with the aim of drawing attention to the critical aspects having to be considered and developed for improving the correct and effective use of secondary sources. Four developing features are identified: standardizing DQA methods, reporting DQA methods and results, synergy between data managers and data users, role of Institutions. Interdisciplinarity, multi-professionality and connection between government institutions, regulatory bodies, universities and the scientific community will provide the "toolbox" for i) developing standardized and shared DQA methods for health databases, ii) defining the best strategies for disseminating DQA information and results

    Acute myocardial infarction and stroke registries. The Italian experience

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    Cardiovascular diseases (CVD) are the leading causes of death and hospitalisation in nearly all European countries and accounted for almost 40% of all deaths in 2013. With the exception of few rigorous but limited studies carried out in some geographical areas, data available on CVD incidence and prevalence is generally limited and of poor quality, despite the magnitude of the CVD phenomenon. The EUROCISS Project, supported by the Health Monitoring Programme of the DG SANCO from 2000 to 2007, provided general guidance and updated methods for the surveillance of Acute Myocardial Infarction and Stroke. The Italian population-based registry of major coronary and cerebrovascular events was set up following EUROCISS recommendations; it also took into account the experience acquired by Italy in the MONICA project since the mid-1980s and continued with the coordination of the EUROCISS The project: “A population-based AMI register: assessing the feasibility for a pilot study to implement a surveillance system of acute myocardial infarction (AMI) in Mediterranean countries according to EUROCISS recommendations” in the framework of the EuroMed Programme, followed major practical and operative issues for the implementation of a population-based registry for coronary and cerebrovascular events, which are here described. This paper includes the definition of target population, data sources, events, indicators, quality methods, and the description of a software used to implement the registry

    Acute myocardial infarction and stroke registries. The italian experience

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    Cardiovascular diseases (CVD) are the leading causes of death and hospitalisation in nearly all European countries and accounted for almost 40% of all deaths in 2013. With the exception of few rigorous but limited studies carried out in some geographical areas, available data on CVD incidence and prevalence are generally limited and of poor quality, despite the magnitude of the CVD phenomenon. The EUROCISS Project, supported by the Health Monitoring Programme of the DG SANCO from 2000 to 2007, provided general guidance and updated methods for the surveillance of Acute Myocardial Infarction (AMI) and Stroke. The Italian population-based registry of major coronary and cerebrovascular events was set up following EUROCISS Project recommendations; it also took into account the experience acquired by Italy in the WHO-MONICA project since the mid-1980s and continued with the coordination of the EUROCISS Project. The project: “A population-based AMI register: assessing the feasibility for a pilot study to implement a surveillance system of AMI in Mediterranean countries according to EUROCISS recommendations”, in the framework of the EuroMed Programme, followed major practical and operative issues for the implementation of a population-based registry for coronary and cerebrovascular events, which are here described. This paper includes the definition of target population, data sources, events, indicators, quality methods, and the description of a software used to implement the registry

    The Truth Is Out There: Biological Features and Clinical Indications of Extracellular Vesicles from Human Perinatal Stem Cells

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    The potential of perinatal tissues to provide cellular populations to be used in different applications of regenerative medicine is well established. Recently, the efforts of researchers are being addressed regarding the evaluation of cell products (secreted molecules or extracellular vesicles, EVs) to be used as an alternative to cellular infusion. The data regarding the effective recapitulation of most perinatal cells' properties by their secreted complement point in this direction. EVs secreted from perinatal cells exhibit key therapeutic effects such as tissue repair and regeneration, the suppression of inflammatory responses, immune system modulation, and a variety of other functions. Although the properties of EVs from perinatal derivatives and their significant potential for therapeutic success are amply recognized, several challenges still remain that need to be addressed. In the present review, we provide an up-to-date analysis of the most recent results in the field, which can be addressed in future research in order to overcome the challenges that are still present in the characterization and utilization of the secreted complement of perinatal cells and, in particular, mesenchymal stromal cells

    The role of heat shock proteins in the inflammatory state of vernal keratoconjunctivitis

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    The aim of the study was to analyse the role of heat shock proteins (HSPs) in vernal keratoconjunctivitis (VKC), a recurrent allergic ocular inflammatory disease. We evaluated the expression of some HSPs (Hsp10, Hsp27, Hsp40, Hsp60, Hsp70, Hsp90) in the mucosal biopsies of VKC patients by immunohistochemistry, and in conjunctival cells cultures treated with inflammatory stimuli (IL-1β, histamine, IL-4, TNFβ, UVB irradiation) by western blotting. Immunohistochemical analysis revealed that Hsp10, Hsp27, Hsp40, Hsp70 and Hsp90 expression was significantly increased in VKC whereas the Hsp60 level was unaltered. In vitro induction by inflammatory stimuli in Chang epithelial conjunctival cells revealed that Hsp70 protein expression was significantly increased in epithelial cells line after 4-10 h from histamine and IL-4 stimulation. The same molecule was also overexpressed in conjunctival fibroblast cultures after TNFβ treatment. Hsp90 protein level was increased in the same cell cultures by IL-1β at 4-10-24 h. The Hsp40 protein expression was increased both in epithelial and fibroblast cultures induced by all inflammatory stimuli. Moreover, UVB irradiation significantly increased Hsp90 expression in primary fibroblast culture and Hsp27 in conjunctival epithelial cells after 10 hours. These results indicate that HSPs levels increase in VKC. In particular, Hsp40 expression is up-regulated by all the typical inflammatory stimuli involved in VKC pathogenesis. The specific role of each one of these chaperonins to further induce or counteract inflammation need to be further investigated

    Human Wharton’s jelly-derived mesenchymal stem cells express several immunomodulatory molecules both in their naïve state and hepatocyte-like differentiated progeny: prospects for their use in liver diseases.

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    Wharton’s jelly (WJ), the main constituent of umbilical cord, is a reliable source of mesenchymal stem cells (MSC). WJ-MSC show unique ability in crossing lineage borders. As other extraembryonic mesenchymal populations (placenta and amnionderived cells), WJ-MSC express several immunomodulatory molecules, essential during the initial phases of human development. Indeed, our recent work pointed out the expression of non-classical HLA molecules as HLA-G in such cells, together with a favorable combination of B7 costimulators. Very few data in literature suggest that some of the immune features of the naïve cells are maintained after performing differentiation. The aim of this work was extending the knowledge on the expression of immunomodulatory molecules by naïve and differentiated WJ-MSC. To this purpose, WJMSC underwent differentiation to osteoblasts, adipocytes and hepatocyte-like cells. Differentiated cells were characterized, by both RT-PCR, ICC and histological stains for the acquisistion of the desired phenotypical features. RT-PCR and ICC were used to investigate the differential expression of immune-related molecules in control and differentiated cells. WJ-MSC resulted expressing diverse immunomodulatory molecules which spans from non-classical type I HLAs (i.e. HLA-E, -F, -G) , to further members of the B7 family, and of the CEA superfamily, for all of which in vivo immunomodulating functions are known. In addition, we demonstrated for the first time that the expression of these molecules is maintained after performing osteogenic, adipogenic or hepatogenic differentiation. Further experiments are undergoing to better evaluating the implications of these findings in the evolving field of liver regenerative medicine

    Immunity, Inflammation and Heart Failure. Their Role on Cardiac Function and Iron Status

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    Aims: Heart failure is a clinical syndrome characterized by subclinical systemic inflammation and immune system activation associated with iron deficiency. No data exist on the various activations of immune-mediated mechanisms of inflammation in heart failure patients with reduced/preserved ejection fraction. We aimed to (1) investigate possible differences in inflammatory parameters and oxidative stress, and (2) detect a different iron status between groups. Materials and Methods: We enrolled 50 consecutive Caucasian outpatients with heart failure. All patients underwent echocardiographic measurements, laboratory determinations, evaluation of iron status and Toll-like receptors, and NF-κB expression in peripheral blood mononuclear cells, as well as pro-inflammatory cytokines. All statistical calculations were made using SPSS for Mac version 21.0. Results: Patients with reduced ejection fraction showed significantly lower hemoglobin levels (12.3 ± 1.4 vs. 13.6 ± 1.4 g/dl), serum iron (61.4 ± 18.3 vs. 93.7 ± 33.7 mcg/dl), transferrin iron binding capacity (20.7 ± 8.4 vs. 31.1 ± 15.6 %), and e-GFR values (78.1 ± 36.1 vs. 118.1 ± 33.9 ml/min/1.73 m2) in comparison to patients with preserved ejection fraction, while unsaturated iron binding capacity (272.6 ± 74.9 vs. 221.7 ± 61.4 mcg/dl), hepcidin (4.61 ± 0.89 vs. 3.28 ± 0.69 ng/ml), and creatinine (1.34 ± 0.55 vs. 1.03 ± 0.25 mg/dl) were significantly higher in the same group. When considering inflammatory parameters, patients with reduced ejection fraction showed significantly higher expression of both Toll-like receptors-2 (1.90 ± 0.97 vs. 1.25 ± 0.76 MFI) and Toll-like receptors-4 (4.54 ± 1.32 vs. 3.38 ± 1.62 MFI), respectively, as well as a significantly higher activity of NF-κB (2.67 ± 0.60 vs. 1.07 ± 0.30). Furthermore, pro-inflammatory cytokines, interleukin-1, and interleukin-6, was significantly higher in patients with reduced ejection fraction, while the protective cytokine interleukin-10 was significantly lower in the same group. Correlational analyses demonstrated a significant and inverse relationship between left ventricular function and inflammatory parameters in patients with reduced ejection fraction, as well as a direct correlation between ferritin and inflammatory parameters. Conclusions: Our data demonstrate a different immune-mediated inflammatory burden in heart failure patients with reduced or preserved ejection fraction, as well as significant differences in iron status. These data contribute to further elucidate pathophysiologic mechanisms leading to cardiac dysfunction
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