828 resultados para Entrepreneurial Intention


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Relatório de estágio de mestrado em Ciências da Comunicação (área de especialização em Informação e Jornalismo)

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Dissertação de mestrado em Ciências da Comunicação (área de especialização em Audiovisual e Multimédia)

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Relatório de estágio de mestrado em Geografia (área de especialização em Planeamento e Gestão do Território)

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OBJECTIVE: To analyze the effects of in-hospital reocclusion of reperfused AMI culprit coronary arteries in mortality and to identify the predictors. METHODS: The present study comprises a sample of 155 patients with AMI who underwent successful mechanical reperfusion by direct coronary angioplasty and angiographic control during hospitalization or before discharge. Patients were classified into group A: reoccluded patients (n=30) and group B: non-reoccluded patients (n=125). RESULTS: We identified in-hospital reocclusion predictors and found a greater significance in mortality among reoccluded patients (23,3% x 1.6%; p=0.00004). Silent reocclusion or typical angina at reocclusion had a good prognosis. The independent predictors of in-hospital mortality were hypertension, multiarterial lesions, totally occluded AMI culprit lesions, failed redilatation, failed redilatation in comparison with no intention to redilate, no redilatation in comparison with no atempt to redilate, and reocclusion within the first 48 to 72 hours. The decision to redilate, independently of the result, led to a 50.0% reduction in hospital mortality (p=0.0366). CONCLUSION: In-hospital AMI culprit coronary artery reocclusion had an adverse effect similar to that reported in clinical studies with high mortality rates (23.3% x 1.6%; p=0.00004). The major contribution of this study is to recommend the reopening of reoccluded AMI culprit coronary arteries as a means for the management of coronary artery reocclusion.

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Dissertação de mestrado em Direito das Crianças, Família e Sucessões

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Dissertação de mestrado em Estudos da Criança (área de especialização em Intervenção Psicossocial com Crianças, Jovens e Famílias)

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Dissertação de mestrado em Estudos da Criança (área de especialização em Integração Curricular e Inovação Educativa)

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Background: Research has separately indicated associations between pregnancy depression and breastfeeding, breastfeeding and postpartum depression, and pregnancy and postpartum depression. This paper aimed to provide a systematic literature review on breastfeeding and depression, considering both pregnancy and postpartum depression. Methods: An electronic search in three databases was performed using the keywords: “breast feeding”, “bottle feeding”, “depression”, “pregnancy”, and “postpartum”. Two investigators independently evaluated the titles and abstracts in a first stage and the full-text in a second stage review. Papers not addressing the association among breastfeeding and pregnancy or postpartum depression, non-original research and research focused on the effect of antidepressants were excluded. 48 studies were selected and included. Data were independently extracted. Results: Pregnancy depression predicts a shorter breastfeeding duration, but not breastfeeding intention or initiation. Breastfeeding duration is associated with postpartum depression in almost all studies. Postpartum depression predicts and is predicted by breastfeeding cessation in several studies. Pregnancy and postpartum depression are associated with shorter breastfeeding duration. Breastfeeding may mediate the association between pregnancy and postpartum depression. Pregnancy depression predicts shorter breastfeeding duration and that may increase depressive symptoms during postpartum. Limitations: The selected keywords may have led to the exclusion of relevant references. Conclusions: Although strong empirical evidence regarding the associations among breastfeeding and pregnancy or postpartum depression was separately provided, further research, such as prospective studies, is needed to clarify the association among these three variables. Help for depressed pregnant women should be delivered to enhance both breastfeeding and postpartum psychological adjustment.

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OBJECTIVE: To identify useful clinical characteristics for selecting patients eligible for mapping and ablation of atrial fibrillation. METHODS: We studied 9 patients with atrial fibrillation, without structural heart disease, associated with: 1) antiarrhythmic drugs, 2) symptoms of low cardiac output, and 3) intention to treat. Seven patients had paroxysmal atrial fibrillation and 2 had recurrent atrial fibrillation. RESULTS: In the 6 patients who underwent mapping (all had paroxysmal atrial fibrillation), catheter ablation was successfully carried out in superior pulmonary veins in 5 patients (the first 3 in the left superior pulmonary vein and the last 2 in the right superior pulmonary vein). One patient experienced a recurrence of atrial fibrillation after 10 days. We observed that patients who had short episodes of atrial fibrillation on 24-hour Holter monitoring before the procedure were those in whom mapping the focus of tachycardia was possible. Tachycardia was successfully suppressed in 4 of 6 patients. The cause of failure was due to the impossibility of maintaining sinus rhythm long enough for efficient mapping. CONCLUSION: Patients experiencing short episodes of atrial fibrillation during 24-hour Holter monitoring were the most eligible for mapping and ablation, with a final success rate of 66%, versus the global success rate of 44%. Patients with persistent atrial fibrillation were not good candidates for focal ablation.

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Este estudo tem como objectivo geral analisar a forma como as mulheres por um lado antecipam e, por outro lado, experienciam emocionalmente o parto do seu primeiro filho. Foi também nosso interesse averiguar a relação entre a antecipação e a experiência real de parto. Para o efeito, 197 grávidas primíparas, com idades compreendidas entre 15 e 39 anos e utentes da Consulta Externa de Obstetrícia da Maternidade Júlio Dinis (Porto) participaram no estudo. Após consentimento informado as participantes preencheram um Questionário Socio-demográfico e o Questionário de Antecipação do Parto (QAP, Costa, Figueiredo, Pacheco, Marques, & Pais, 2005) no 2º trimestre de gravidez. Na primeira semana após o parto foram novamente contactadas as participantes na Unidade de Internamento na Maternidade de Júlio Dinis no sentido de responderem ao Questionário de Experiência e Satisfação com o Parto (QESP, Costa, Figueiredo, Pacheco, Marques, & Pais, 2005). Os resultados mostram que o planeamento do parto parece ser benéfico para algumas mulheres em termos do medo, dor e preocupação em relação ao bebé durante o parto. Deste modo, a implementação de medidas que promovam a informação, suporte emocional e envolvimento nas tomadas de decisão por parte dos serviços de saúde materno-infantis poderiam constituir uma mais-valia para o melhoramento das experiências dos pais.

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Tese de Doutoramento em Engenharia Têxtil

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Dissertação de Mestrado em Administração Pública – Especialização em Administração da Educação

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Dissertação de Mestrado em Estratégia

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Dissertação apresentada na Universidade de Lisboa - Faculdade de Arquitetura, para obtenção do Grau de Mestre em Arquitetura.

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Dissertação apresentada na Universidade de Lisboa - Faculdade de Arquitetura, para obtenção do Grau de Mestre em Arquitetura.