915 resultados para Secondary Data Analysis
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Pós-graduação em Enfermagem (mestrado profissional) - FMB
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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BackgroundRetinopathy of prematurity (ROP) is a complex condition of the developing retinal blood vessels and is one of the leading causes of preventable childhood blindness. Several risk factors for ROP have been studied over the past 50 years. Among them, general immaturity (low birth weight and low gestational age) and prolonged oxygen therapy have been consistently related to disease onset. However, it is understood that the progression of the disease is multifactorial and may be associated with others risk factors, such as multiple gestation, apnoea, intracranial haemorrhage, anaemia, sepsis, prolonged mechanical ventilation, multiple transfusions and light exposure. Furthermore, the precise role of these individual factors in the development of the disease has not yet been well established.ObjectivesTo determine whether the reduction of early environmental light exposure reduces the incidence of retinopathy of prematurity (ROP) or poor ROP outcomes among very low birth weight infants.Search methodsWe searched the following databases: the Cochrane Neonatal Group Specialised Register, CENTRAL (The Cochrane Library), MEDLINE, EMBASE, CINAHL, HealthSTAR, Science Citation Index Database, CANCERLIT, the Oxford Database of Perinatal Trials and www.clinicaltrials.gov. We also searched previous reviews including cross-references, abstracts, conference and symposia proceedings, and contacted expert informants. This search was updated in October 2012.Selection criteriaRandomised or quasi-randomised controlled trials that reduced light exposure to premature infants within the first seven days following birth were considered for this review. We also considered cluster-randomised controlled trials.Data collection and analysisData on clinical outcomes including any acute ROP and poor ROP outcome were extracted by both review authors independently and consensus reached. We conducted data analysis according to the standards of the Cochrane Neonatal Review Group.Main resultsData from four randomised trials with a total of 897 participants failed to show any reduction in acute ROP or poor ROP outcome with the reduction of ambient light to premature infants' retinas. The overall methodological quality of the included studies was about evenly split between those in which the classification was unclear and those in which the studies were categorised as low risk of bias. There was no report on the secondary outcomes considered in this review: quality of life measures; and time of exposure to oxygen.Authors' conclusionsThe evidence shows that bright light is not the cause of retinopathy of prematurity and that the reduction of exposure of the retinas of premature infants to light has no effect on the incidence of the disease.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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We present an implementation of the F-statistic to carry out the first search in data from the Virgo laser interferometric gravitational wave detector for periodic gravitational waves from a priori unknown, isolated rotating neutron stars. We searched a frequency f(0) range from 100 Hz to 1 kHz and the frequency dependent spindown f(1) range from -1.6(f(0)/100 Hz) x 10(-9) Hz s(-1) to zero. A large part of this frequency-spindown space was unexplored by any of the all-sky searches published so far. Our method consisted of a coherent search over two-day periods using the F-statistic, followed by a search for coincidences among the candidates from the two-day segments. We have introduced a number of novel techniques and algorithms that allow the use of the fast Fourier transform (FFT) algorithm in the coherent part of the search resulting in a fifty-fold speed-up in computation of the F-statistic with respect to the algorithm used in the other pipelines. No significant gravitational wave signal was found. The sensitivity of the search was estimated by injecting signals into the data. In the most sensitive parts of the detector band more than 90% of signals would have been detected with dimensionless gravitational-wave amplitude greater than 5 x 10(-24).
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The head is the most important and specialized region in the body because it contains a range of specialized organs and, because it has interconnections between specialized organs, there is a great overlap of images. Thus, computed tomography (CT) helps in diagnosing diseases in this region, such as oral conditions, as they provide millimetric slices or cuts and demonstrate the relationship between the various anatomical structures involved, in volume and depth. Within dentistry, CT helps in the identification of pathological processes such as infection, tumors, visualization of embedded teeth and bone bed. This study aimed to assess the density of the mandibular alveolar bone at a determined point to later predict how periodontal disease is involved in bone resorption. For this, we performed a blind retrospective study (n = 124) of the CT scan files of dog skulls at FMVZ-UNESP in order to determine the density of the jaw bone using a Hounsfield scale, in the region of the dental apex of the cranial root of the first molar tooth in dogs. The results obtained were evaluated using mean and standard deviation (27.28 +/- 9.53 HU) in order to predict the normal density of the mandibular alveolar bone in the studied region. Thus, this data analysis allows a more concise evaluation of bone resorption of mandibular alveolar bone and, therefore, provides an adequate surgical planning in cases of osteosynthesis given mainly by the presence of installed periodontal disease.
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Soccer is a sport practiced in almost all the world. This allowed the characterization of this sport as a business area, which resulted in changes in the management of soccer clubs, which began to be managed using the concept of club-company. Considering this fact, a study was conducted to verify how the brazilian teams are developing their marketing actions, which allow treat their insignia as trademarks and obtain an additional revenue with these actions. Were selected as object of study two traditional clubs of São Paulo - the São Paulo Futebol Clube and the Sport Club Corinthians Paulista. Were collected primary data, but also, were used secondary data and documents, which were organized and analyzed through the concepts of brand, social and historical capital. This analysis identified that the two clubs taken as object of study carry out marketing actions, which were classified as related to the process of management of the insignia as a brand. Next, sought at the balance sheet of the clubs, evidences of the financial contribution of these actions to the revenues of the clubs. In this way, identified that the clubs researched have mobilized to professionally manage your brand, through targeted marketing actions to their fans, and the insignia of clubs are handled as brands, becoming one more source of revenue for the clubs
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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This paper provides an overview of the key findings of a survey that sought to examine the relationship between local government agencies and agrarian reform communities in the State of São Paulo, particularly with regard to the types of support that have been provided by these agencies to the economic activities of settlements. The research was part of the project "The agencies and services involved in the implementation of public policies for equity and growth", which was supported by the Instituto de Colonização e Reforma Agraria (INCRA/SP), whose activities were carried out throughout 2011. In methodological terms, the research was divided into two stages. In the first stage, it sought to identify the main economic activities, vocations and potential of the influencing areas of the Quilombola communities and settlements in their respective regions and micro-regions. Therefore, a survey was conducted based on secondary data. In the second stage, a qualitative, exploratory, empirical, and multiple case study research was conducted. Local public officials, in charge of the institutional relations with the agrarian reform settlements (and quilombolas communities, in this case, one of the municipalities investigated) were the primary source of data for this analysis that sought to evaluate the strength, types and quality of support (plausible or effective) provided by the municipalities to the economic activities of settlements. The results indicated a set of reasonably heterogeneous components, and frequently, distinct, of particular circumstances. Based on the results some proposals for action plans were indicated, which probably would constitute a standard reference for the formulation and implementation of public policies and actions to improve the economic activities of the settlements.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)