192 research outputs found
Development of a software tool for the evaluation of the shading factor under complex boundary conditions
12th Conference of International Building Performance Simulation Associatio
Thermal Performance Assessment of an Opaque Ventilated Façade in the Summer Period: Calibration of a Simulation Model through in-field Measurements
In recent years, several studies have been performed to evaluate the actual contribute of Opaque Ventilated Façades (OVF) as far
as the energy efficiency of buildings in the summer period is concerned. In this framework an experimental real-scale module of
an OVF was built and tested. Results demonstrated a reduction of ~58% of the thermal load obtained by using a OVF with
respect to the unventilated façade configuration. In this paper the experimental measurements were used to calibrate dynamic
simulations using ESP-r software, in order to identify the input factors and the key issues mainly impacting on the results
discrepancy
Energy Assessment of A PCM–Embedded Plaster: Embodied Energy Versus Operational Energy
Phase change materials (PCMs) are an emerging technology that can be integrated in building envelope components. PCMs are able to stabilise indoor air temperature and increase thermal energy storage especially in lightweight constructions. Within a research activity aimed at developing advanced plasters with improved thermal properties, a plaster which incorporates a microencapsulated paraffin-based PCM was developed. The paper highlights the importance of an overall analysis, facing both operational and embodied energy, since the expected decrease of the energy consumption during the operational stage difficultly counterbalances the high energy impact related to manufacturing processes
A systematic review of Clinical Practice Guidelines for the development of the WHO's Package of Interventions for Rehabilitation: focus on schizophrenia
Background: The identification of interventions for rehabilitation and related evidence is a crucial step in the development of World Health Organization's (WHO) Package of Interventions for Rehabilitation (PIR). Interventions for rehabilitation may be particularly relevant in schizophrenia, as this condition is associated with a high risk of disability, poor functioning, and lack of autonomy. Aiming to collect evidence for the WHO PIR, we conducted a systematic review of Clinical Practice Guidelines (CPG) on interventions for rehabilitation of schizophrenia.Methods Methods for the systematic identification and critical appraisal of CPG were developed by WHO Rehabilitation Programme and Cochrane Rehabilitation under the guidance of WHO's guideline review committee secretariat. The Appraisal of Guidelines for Research & Evaluation Instrument (AGREE II) was used to evaluate the methodological quality of identified CPG.Results After full text screening, nine CPG were identified, for a total of 130 recommendations. Three were excluded because their total AGREE-II scores were below cut-off. Six CPG were approved by the Technical Working Group and included for data extraction. Only one CPG with specific focus on rehabilitation of schizophrenia was retrieved. Other CPG were general, including some recommendations on rehabilitation. Some CPG gave no indications on the assessment of rehabilitation needs. Discrepancies were detectable, with different CPG emphasizing different domains. Most recommendations addressed "symptoms of schizophrenia," while "community and social life" was targeted by few recommendations. International CPG were often conceptualized for high-income countries, and CPG accounting for their implementation in lower income contexts were scarce. Quality of evidence was high/moderate for 41.54% (n = 54) of the recommendations, and very low only in two cases (1.52%). N = 45 (34.62%) were based on experts' opinion.Conclusions The concepts of recovery and rehabilitation in schizophrenia are relatively new in medical sciences and somewhat ill-defined. An unbalanced distribution in the domains addressed by available CPG is therefore understandable. However, the need for more focus in some areas of rehabilitation is obvious. More clarity is also required regarding which interventions should be prioritized and which are more feasible for global implementation in the rehabilitation of schizophrenia
Development of Vegetal Based Thermal Plasters with Low Environmental Impact: Optimization Process through an Integrated Approach
The use of thermal insulating plasters represents an effective solution in energy retrofit of existing buildings. Thermal properties are usually improved through the addition on the plaster formulation of Light Weight Aggregates, as expanded polystyrene and perlite. The drawback of these thermal plasters is the higher environmental impact, especially when added to natural binders, as natural hydraulic lime. Within a research activity a process of optimization was followed in order to get the most effective blend, applying iteratively the LCA methodology, measuring the thermal conductivity and testing the environmental impact in terms of Volatile Organic Compounds and formaldehyde emission rates
A systematic review of Clinical Practice Guidelines for the development of the WHO's Package of Interventions for Rehabilitation: focus on schizophrenia
BackgroundThe identification of interventions for rehabilitation and related evidence is a crucial step in the development of World Health Organization's (WHO) Package of Interventions for Rehabilitation (PIR). Interventions for rehabilitation may be particularly relevant in schizophrenia, as this condition is associated with a high risk of disability, poor functioning, and lack of autonomy. Aiming to collect evidence for the WHO PIR, we conducted a systematic review of Clinical Practice Guidelines (CPG) on interventions for rehabilitation of schizophrenia.MethodsMethods for the systematic identification and critical appraisal of CPG were developed by WHO Rehabilitation Programme and Cochrane Rehabilitation under the guidance of WHO's guideline review committee secretariat. The Appraisal of Guidelines for Research & Evaluation Instrument (AGREE II) was used to evaluate the methodological quality of identified CPG.ResultsAfter full text screening, nine CPG were identified, for a total of 130 recommendations. Three were excluded because their total AGREE-II scores were below cut-off. Six CPG were approved by the Technical Working Group and included for data extraction. Only one CPG with specific focus on rehabilitation of schizophrenia was retrieved. Other CPG were general, including some recommendations on rehabilitation. Some CPG gave no indications on the assessment of rehabilitation needs. Discrepancies were detectable, with different CPG emphasizing different domains. Most recommendations addressed “symptoms of schizophrenia,” while “community and social life” was targeted by few recommendations. International CPG were often conceptualized for high-income countries, and CPG accounting for their implementation in lower income contexts were scarce. Quality of evidence was high/moderate for 41.54% (n = 54) of the recommendations, and very low only in two cases (1.52%). N = 45 (34.62%) were based on experts' opinion.ConclusionsThe concepts of recovery and rehabilitation in schizophrenia are relatively new in medical sciences and somewhat ill-defined. An unbalanced distribution in the domains addressed by available CPG is therefore understandable. However, the need for more focus in some areas of rehabilitation is obvious. More clarity is also required regarding which interventions should be prioritized and which are more feasible for global implementation in the rehabilitation of schizophrenia
1H NMR spectroscopy-based metabolomics analysis for the diagnosis of symptomatic E. coli-associated urinary tract infection (UTI).
BACKGROUND: Urinary tract infection (UTI) is one of the most common diagnoses in girls and women, and to a lesser extent in boys and men younger than 50 years. Escherichia coli, followed by Klebsiella spp. and Proteus spp., cause 75-90% of all infections. Infection of the urinary tract is identified by growth of a significant number of a single species in the urine, in the presence of symptoms. Urinary culture is an accurate diagnostic method but takes several hours or days to be carried out. Metabolomics analysis aims to identify biomarkers that are capable of speeding up diagnosis. METHODS: Urine samples from 51 patients with a prior diagnosis of Escherichia coli-associated UTI, from 21 patients with UTI caused by other pathogens (bacteria and fungi), and from 61 healthy controls were analyzed. The 1H-NMR spectra were acquired and processed. Multivariate statistical models were applied and their performance was validated using permutation test and ROC curve. RESULTS: Orthogonal Partial Least Squares-discriminant Analysis (OPLS-DA) showed good separation (R2Y = 0.76, Q2=0.45, p < 0.001) between UTI caused by Escherichia coli and healthy controls. Acetate and trimethylamine were identified as discriminant metabolites. The concentrations of both metabolites were calculated and used to build the ROC curves. The discriminant metabolites identified were also evaluated in urine samples from patients with other pathogens infections to test their specificity. CONCLUSIONS: Acetate and trimethylamine were identified as optimal candidates for biomarkers for UTI diagnosis. The conclusions support the possibility of a fast diagnostic test for Escherichia coli-associated UTI using acetate and trimethylamine concentrations
Streptococcus suis Meningitis without History of Animal Contact, Italy
Streptococcus suis, a major swine pathogen worldwide, is emerging as a zoonotic agent capable of causing a variety of serious infections in swine as well as in persons exposed to pigs or to pork products. These infections include meningitis, septicemia, pneumonia, endocarditis, arthritis, and septic shock (1,2). Despite recent outbreaks among persons in China, S. suis disease in humans is a rare, probably underdiagnosed infection that usually occurs as sporadic cases (1,2). Persons in close occupational or accidental contact with pigs or pork products and those who eat uncooked or undercooked pork may be at higher risk than others. However, most infected persons are likely healthy carriers, and S. suis is believed to induce overt disease (especially meningitis) in only some circumstances (2). We describe a case of S. suis meningitis in a 68-year-old man from Sardinia, Italy, who had no reported contact with swine, other animals, or any animal products; the patient also had cancer, which was discovered incidentally during the workup
Streptococcus suis Meningitis without History of Animal Contact, Italy
Streptococcus suis, a major swine pathogen worldwide, is emerging as a zoonotic agent capable of causing a variety of serious infections in swine as well as in persons exposed to pigs or to pork products. These infections include meningitis, septicemia, pneumonia, endocarditis, arthritis, and septic shock (1,2). Despite recent outbreaks among persons in China, S. suis disease in humans is a rare, probably underdiagnosed infection that usually occurs as sporadic cases (1,2). Persons in close occupational or accidental contact with pigs or pork products and those who eat uncooked or undercooked pork may be at higher risk than others. However, most infected persons are likely healthy carriers, and S. suis is believed to induce overt disease (especially meningitis) in only some circumstances (2). We describe a case of S. suis meningitis in a 68-year-old man from Sardinia, Italy, who had no reported contact with swine, other animals, or any animal products; the patient also had cancer, which was discovered incidentally during the workup
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