716 resultados para Managing Arthritis


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Given the increasingly demanding labor market, today’s professional should act according to certain generic competencies, which allows him to perform as required by the contemporary world. In parallel, human resource management (HRM) current trends, highlight the importance that managing by competencies has in the organizational context, in the sense that it impels a more strategic and integrated HRM. The evidence of the theoretical and practical pertinence of this theme resulted in an exploratory study of a qualitative nature, which findings lead us to conclude that the most valued generic competencies by firms are flexibility, interpersonal relationship, adjustment to change and teamwork. Another finding is that HRM managing by competencies practices is characterized by informality. Managing by competencies is more frequent presence in processes as: recruitment, retention and in the employees’ development plans.

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We present a case of a 16-year-old male patient with sudden-onset, rash, arthritis and meningitis by Neisseria meningitidis one week after an acute upper respiratory infection. On the 10th day of treatment followed by neurological and arthritis clinical improvement, he presented once again a tender and swollen left knee with a moderate effusion, and active and passive range of motion was severely limited secondary to pain, and when he was submitted to surgical drainage and synovial fluid analysis he showed inflammatory characteristics. A non-steroidal anti-inflammatory drug was taken for five days with complete improvement of symptoms. The case is notable for its combination of features of septic and immune-mediated arthritis, which has rarely been reported in the same patient.

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Immune reconstitution inflammatory syndrome (IRIS) in HIV-infected subjects initiating antiretroviral therapy most commonly involves new or worsening manifestations of previously subclinical or overt infectious diseases. Reports of non-infectious IRIS are much less common but represent important diagnostic and treatment challenges. We report on a 34-year-old HIV-infected male patient with no history of gout who developed acute gouty arthritis in a single joint one month after initiating highly active antiretroviral therapy.

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Bone and joint infections are rare in the neonatal period. They often present with pseudo paralysis of the affected limb due to pain and discomfort caused by movement. The existence of a concomitant neuropathy is a rare and insuffi ciently understood phenomenon with few cases described. The authors report the case of a 7-week infant, born prematurely and with Staphylococcus aureus neonatal sepsis, who presented to the emergency room with a paretic right upper limb. Osteoarticular infection complicated with brachial plexus neuropathy was considered and MRI and electromyography the confi rmed diagnosis. There was a good outcome after antibiotic treatment and functional rehabilitation.

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Paracoccidioidomycosis (PCM) is caused by the dimorphic fungus Paracoccidioides brasiliensis (Pb) and corresponds to prevalent systemic mycosis in Latin America. The aim of the present work was to evaluate the dose response effect of the fungal yeast phase for the standardization of an experimental model of septic arthritis. The experiments were performed with groups of 14 rats that received doses of 103, 104 or 105 P. brasiliensis (Pb18) cells. The fungi were injected in 50 µL of phosphate-buffered saline (PBS) directly into the knee joints of the animals. The following parameters were analyzed in this work: the formation of swelling in knees infused with yeast cells and the radiological and anatomopathological alterations, besides antibody titer by ELISA. After 15 days of infection, signs of inflammation were evident. At 45 days, some features of damage and necrosis were observed in the articular cartilage. The systemic dissemination of the fungus was observed in 11% of the inoculated animals, and it was concluded that the experimental model is able to mimic articular PCM in humans and that the dose of 105 yeast cells can be used as standard in this model.

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A Work Project, presented as part of the requirements for the Award of a Masters Degree in Management from the NOVA – School of Business and Economics

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The purpose of this study is to contribute to the changing innovation management literature by providing an overview of different innovation types and organizational complexity factors. Aiming at a better understanding of effective innovation management, innovation and complexity are related to the formulation of an innovation strategy and interaction between different innovation types is further explored. The chosen approach in this study is to review the existing literature on different innovation types and organizational complexity factors in order to design a survey which allows for statistical measurement of their interactions and relationships to innovation strategy formulation. The findings demonstrate interaction between individual innovation types. Additionally, organizational complexity factors and different innovation types are significantly related to innovation strategy formulation. In particular, more closed innovation and incremental innovation positively influence the likelihood of innovation strategy formulation. Organizational complexity factors have an overall negative influence on innovation strategy formulation. In order to define best practices for innovation management and to guide managerial decision making, organizations need to be aware of the co-existence of different innovation types and formulate an innovation strategy to more closely align their innovation objectives.

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This thesis provides a complete analysis of the Standard Capital Requirements given by Solvency II for a real insurance portfolio. We analyze the investment portfolio of BPI Vida e Pensões, an insurance company affiliated with a Portuguese bank BPI, both at security, sub-portfolio and asset class levels. By using the Standard Formula from EIOPA, Total SCR amounts to 239M€. This value is mostly explained by Market and Default Risk whereas the former is driven by Spread and Concentration Risks. Following the methodology of Leblanc (2011), we examine the Marginal Contribution of an asset to the SCR which allows for the evaluation of the risks of each security given its characteristics and interactions in the portfolio. The top contributors to the SCR are Corporate Bonds and Term Deposits. By exploring further the composition of the portfolio, our results show that slight changes in allocation of Term and Cash Deposits have severe impacts on the total Concentration and Default Risks, respectively. Also, diversification effects are very relevant by representing savings of 122M€. Finally, Solvency II represents an opportunity for the portfolio optimization. By constructing efficient frontiers, we find that as the target expected return increases, a shift from Term Deposits/ Commercial Papers to Eurozone/Peripheral and finally Equities occurs.

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In the competitive landscape of the 21st century, effectively managing human capital in firms is considered to be a potential source of sustainable performance. Therefore, in this study, we tested the influence of high-performance work systems, as a talent management tool, on employees’ experience of developmental jobs. Then, we tested the mediating effect of such experiences on employees’ engagement, exhaustion, performance and turnover intention. With a sample of 254 employees of a diversity of companies and sectors of activity, our findings demonstrated that high-performance practices increase engagement, via the promotion of developmental experiences of fit, which improves performance and decreases turnover intention. Besides, those practices do not control for the pressure dimension of the developmental job experiences that increases exhaustion and turnover intention despite not worsening performance.

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In this Work Project, it will be assessed how Sintra’s sustainability is affected by the consequences of the visitor flow on its urban historical center. Two research questions will support this case study: What is the main problem affecting Sintra as a tourism destination? How sustainable will Sintra be in the next 10-15 years? The main findings suggest Sintra faces an intense seasonal pressure on its historical city center and its sustainability might be seriously affected in the near future, whereby three domains of the destination deserve a serious strategy reassessment: promotion, management, and supply.

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RESUMO:A artrite psoriática (AP) é uma doença inflamatória crónica caracterizada por várias manifestações nas articulações, nas enteses e na pele. A formação de novo osso após inflamação nas enteses é um dos aspetos mais intrigantes desta doença. Os mecanismos celulares e moleculares deste processo ainda não são completamente conhecidos. Este estudo tem como objetivo compreender melhor os mecanismos subjacentes à formação e reabsorção óssea, bem como o efeito de anti-inflamatórios não esteroides (AINEs) nestes processos. Para atingir este objetivo foram quantificados biomarcadores do metabolismo ósseo e citocinas inflamatórias em doentes AP, antes e após terapêutica com AINEs. Os biomarcadores selecionados foram marcadores de remodelação óssea como CTX-I e P1NP, fatores de diferenciação e ativação de osteoclastos como o RANKL e a OPG, inibidores da via de sinalização Wnt, nomeadamente o DKK-1 e a SOST e ainda citocinas pro-inflamatórias como a IL-22 e a IL-23 e a prostaglandina PGE2. Neste contexto foram também estabelecidas culturas celulares de monócitos, isoladas de doentes AP e de controlos saudáveis. Os monócitos foram cultivados in vitro em condições não estimuladas e estimuladas e realizados dois ensaios funcionais: coloração com TRAP e ensaio de reabsorção. Foi observada uma diminuição nos níveis séricos de CTX-I e OPG em doentes AP em relação aos controlos. De igual forma os níveis séricos de SOST encontram-se significativamente mais baixos, em comparação com os controlos saudáveis. Estes valores de SOST são semelhantes aos dos doentes com espondilite anquilosante (EA), documentados anteriormente. Os ensaios com osteoclastos confirmaram a necessidade da presença de RANKL para estimulação da osteoclastogénese e que o celecoxib parece ter um papel inibitório neste processo. Os resultados obtidos sugerem que a população de doentes com AP analisados têm baixos níveis de reabsorção óssea e alguma atividade na formação óssea. --------------------------- ABSTRACT: Psoriatic arthritis (PsA) is a chronic inflammatory disease characterized by several manifestations involving the joints, enthesis and the skin. New bone formation after inflammation at enthesis site has been one of the most intriguing aspects of the disease. Cellular and molecular mechanisms in this process are still not completely understood. This study aims to understand better the mechanisms underlying bone formation and resorption and the effect of non-steroid anti-inflammatory drugs (NSAIDs) in these processes. To access that, biomarkers of bone metabolism and inflammatory cytokines were measured in PsA patients’ serum before and after NSAID therapy. These selected biomarkers were bone turnover markers such as CTX-I and P1NP, osteoclast differentiation and activation factors RANKL and OPG, Wnt pathway inhibitors DKK-1 and SOST and pro-inflammatory cytokines IL-22, IL-23 and prostaglandin PGE2. In this context monocyte cell culture was also established after PBMC isolation from PsA patients and healthy controls. Monocytes were cultured in vitro under unstimulated and stimulated conditions and two functional assays were performed: TRAP staining and resorption pit assay. It was demonstrated that CTX-I and OPG serum levels in PsA patients were lower than controls. SOST levels were extremely decreased in comparison with controls, resembling the ankylosing spondylitis patients results already documented. Osteoclast assays confirmed the need of RANKL in stimulating osteoclastogenesis and that celecoxib seems to have an inhibitor role in this process. The results obtained suggest that PsA patient population analyzed in this study have low bone resorption levels and some bone formation activity.