Study on solubility of pharmaceutical compounds in ionic liquids

Dissertation to obtain the degree of master in Chemical and Biochemical Engineering

Predicting GDP growth in the Euro Area

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

Impairment in the mortagage loan portfolio: The example of Banco Popular portugal

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

The international expansion strategy of Striyah in Poland

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

Time series morphological analysis applied to biomedical signals events detection

Dissertation submitted in the fufillment of the requirements for the Degree of Master in Biomedical Engineering

Three essays on the term structure of interest rates

A PhD Dissertation, presented as part of the requirements for the Degree of Doctor of Philosophy from the NOVA - School of Business and Economics

Preparation and characterization of microfiltration flat polymeric membranes for biomedical applications

Dissertation presented to Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa for obtaining the master degree in Membrane Engineering

Exploring the predictive power of Google searches over the US stock market

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

Transparency in project bond ratings: Assessment of rating methodologies and development of a proven rating simulator

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

An internal analysis of Amorim Turismo’s operations regarding food and beverage with a focus on operational efficiency and quality of service

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

Complicações em idosos submetidos a cirurgia de correcção de de hérnias da parede abdominal

RESUMO: O envelhecimento da população é um fenómeno à escala mundial, com tendência a aumentar, sendo cada vez mais os idosos e mais velhos. Esta propensão é notória nos utentes que recorrem aos cuidados de saúde. À medida que se envelhece maior vai sen-do a vulnerabilidade e riscos para a saúde, bem como a prevalência para doenças croni-cas, que se traduz num aumento de hospitalizações e consumo. As complicações ocorri-das em idosos aquando submetidos a intervenções cirúrgicas estão descritas na literatu-ra, havendo uma escassez de publicações nacionais relacionadas com o tema. O presente estudo teve por objectivo caracterizar idosos submetidos a correcção cirúrgi-ca de hérnias da parede abdominal, os procedimentos e as complicações ocorridas. O estudo, transversal e de natureza quantitativa, foi realizado no Centro Hospitalar de Lisboa Norte – Hospital Pulido Valente, e teve como critério de inclusão os indivíduos com 65 ou mais anos submetidos a correcção cirúrgica de hérnias da parede abdominal, realizadas em 2009-2010, que tiveram um período de recobro na Unidade de Cuidados Anestésicos Pós-operatórios. Para a obtenção dos dados, foram analisados os processos clínicos do Arquivo Clínico da Instituição e registada informação sobre variáveis de caracterização sócio demográfi-ca, de saúde pré, intra e pós-operatória imediata e descritivas da cirurgia. Foram avaliadas as situações de 164 indivíduos, 78.7% eram homens e 21.3% mulheres e a média de idades era de 72.4 anos e desvio padrão 5.46. Em termos de hábitos de Vida, foi possível constatar um predomínio de baixo consumo de tabaco (13.4%) e álcool (6.7%). O valor médio de co-morbilidades foi de 2.6 e desvio padrão de 1.34 sendo a maior prevalência de 3-4 co-morbilidades com 48.8%. Salienta-se que todas as mulheres da amostra apresentaram doenças. As patologias mais prevalentes são as do foro cardiovascular: Hipertensão Arterial (75.0%), Dislipidémia (35.4%) e Insuficiência Venosa Periférica (14.6%), de forma menos expressiva, mas igualmente relevante a Diabetes Mellitus (23.8%). Nos mais idosos [75 ou mais], verificou-se uma expressivi-dade Hipertrofia benigna da próstata (18.2%). Das cirurgias ocorridas predominou a correcção cirúrgica de Hérnia Inguinal.Das complicações identificadas prevaleceu a dor (97.6%). A hipotermia (34.8%), HTA (24.4%) e bradicárdia (14.6%) encontram-se entre as complicações mais determinantes. Verificaram-se diferenças com significado estatístico entre os dois grupos etários consi-derados nas complicações bradicárdia (p=0.021) e a saturação de oxigénio <90% (p = 0.006), hemorragia (p=0.036) e retenção urinária (p = 0.038). Neste estudo constata-se que a cirúrgica de hérnias da parede abdominal em idosos é uma realidade prevalente. Dos factores que possam estar associados a propensão para complicações pós-cirúrgicas, a idade e a presença de co-morbilidade controlada não revelaram ter influência. Também os tempos de cirurgia e de anestesia não revelaram influências no surgimento de complicações. A monitorização dos sinais vitais deve ser constante, desde o período pré-operatório imediato de forma a permitir aos profissionais de saúde identificar uma propensão para vulnerabilidade, com vantagem em ser apre-sentado sob a forma de score. Este manifestou diferenças significativas a nível dos dois grupos etários considerados (p=0.001). Este score, vai possibilitar sinalizar quais os idosos com maior susceptibilidade de ocorrência de complicações.------------------ABSTRACT:Population aging has become a worldwide phenomenon with tendency to increase. This is particularly evident due to the amount of elderly that attend the medical services. As one gets older, more vulnerable and more risks to one’s health. Also chronic diseas-es are more likely to exist which lead to more hospitalizations and increase of consuma-bles. The complications after a surgery in older people are well documented in international scientific studies, however national studies are still lacking. The present study aims to characterize elderly patients after abdominal hernia surgical correction, the procedures and complications detected. This transversal and quantitative nature like study, was held in the Centro Hospitalar Lisboa-Norte – Hospital Pulido Valente, and as inclusive criteria where patients with more than 65 or more years old, who undergone abdominal hernia surgical correction surgery in 2009-2010 and had the post-operation on the Unidade de Cuidados Anestésicos Pós-Operatorios. Data from the clinical files from the archive of the hospital where analyzed. Information was taken regarding social demographic variables; before, during and immediately after surgery variables and also descriptive of the surgery itself. Were evaluated 164 individuals, 78, 7% of which were men and 21, 3% women with an average age of 72, 4 years and standard deviation 5.46. Life habits analyzed detected low consumption of tobacco (13, 4%) and alcohol (6, 7%). The average of co-morblity was 2, 6 and standard deviation 1.34. The biggest prevalence of 3-4 co-morbilities was 48, 8%. Important to notice that, all women from the study presented illnesses. The illnesses more frequent were cardiovascular: High Blood Pressure (75%), Dyslipidemia (35, 4%), Deep Venous Insufficiency (14, 6%), less significant but also relevant, Diabetes Melli-tus (23, 8%). In the older (75 or more), was noticed Benign Prostatic (18, 2%). In the surgeries verified, the abdominal hernia correction was more frequent. From all thecomplications identified, pain was 97, 6%, Hypothermia 34, 8%, high Blood Pressure 24, 4% and Bradycardia 14, 6%, were higher prevalence. Was seen differences in the statistic meaning of the two groups in the Bradycardia com-plications (p=0.021), and the oxygen saturation < 90% (p=0.006), bleeding (p=0,036) and urine retention (p=0,038). In the present study it is evident that the abdominal hernia surgical correction in older population is a common procedure. Of all the factors that might be related with post-operatory complications, age and the presence of controlled co-morbility didn’t reveal relevant. Also, surgical times and duration of anesthesia didn´t seem to be related to complications incidence. Monitoring the vital signs must be constant since the immedi-ate post-operatory to ensure that the professionals can identify any possible vulnerabil-ity, presenting it in a score like way. The score has shown meaningful differences be-tween the two age groups analyzed (p=0,001). This score allows identifying which pa-tients are more likely to suffer complications.

Avaliação das necessidades, incapacidade, qualidade de vida e satisfação com os serviços de indivíduos com esquizofrenia em Cabo Verde

RESUMO: OBJECTIVO: Avaliar as necessidades, incapacidade, qualidade de vida, satisfação com os serviços e as características sociodemográficas numa amostra de pacientes com esquizofrenia num Serviço de Psiquiatria, em Cabo Verde. MÉTODOS: Realizou-se estudo transversal com 122 doentes com recurso a instrumentos estruturados para as necessidades (CAN), incapacidade (WHODAS II), qualidade de vida (WHOQOL-BREF) e satisfação com os serviços (VSSS) e uma ficha para recolha de dados sociodemográficos. RESULTADOS: Os doentes eram maioritariamente do sexo masculino (73,8%) com uma idade média de 35,23 anos, uma escolaridade baixa (59,8%), solteiros (81.1%), residindo em meio urbano (72,1%) e desempregados (63,2%). A maioria estava a tomar medicação antipsicótica (97,5%), tinha história de internamento (76.2%), uma média de início da doença aos 23,43 anos e uma duração média de 11,80 anos. As necessidades referidas foram baixas e as facetas mais identificadas foram a informação, os subsídios e benefícios sociais, as actividades diárias, os contactos sociais e sofrimento psicológico. Cerca 20% dos participantes manifestaram uma incapacidade, sobretudo no domínio da da participação na sociedade (47,2%). A média da qualidade de vida foi 65,08 (desvio-padrão: 21,35), com o domínio psicológico a apresentar o valor mais alto (74,21, desvio-padrão: 14,87) e o ambiental o mais baixo (59,27, desvio-padrão: 15,15). A satisfação com os serviços foi avaliada de forma positiva nas dimensões satisfação global e competência dos profissionais. As dimensões informação, envolvimento dos familiares, eficácia e acesso tiveram avaliação insatisfatória. Os tipos de intervenções, com vários serviços pouco disponibilizados, tiveram uma satisfação relativa. DISCUSSÃO: Num contexto de carência, os resultados revelaram-se mais satisfatórios do que esperados, mas com grandes insuficiências no processo de cuidados. CONCLUSÃO: O estudo permitiu conhecer o processo de cuidados aos doentes com esquizofrenia e disponibilizou elementos para programas de cuidados.-----------ABSTRACT: OBJECTIVE: Assess needs, disability, quality of life, satisfaction with the services and the socio-demographic characteristics in a sample of patients with schizophrenia in a Psychiatric Service in Cape Verde. MATHODS: It was carried out a cross-sectional study with 122 patients using the structured instruments for the needs (CAN), disability (WHODAS II), quality of life (WHOQOLBREF),satisfaction with the services (VSSS) and socio-demographic data collection. RESULTS: The patients are mainly of the male sex (73.8%) with average age of 35.23 years old, low education level (59.8%), single (81.1%), living in urban area and unemployed (63.2%). Most of them were taking antipsychotic medication (97.5%), had a history of hospitalization (76.2%), an average of disease onset at 23.43 years old and an average duration of 11.80 years. The needs mentioned were low and the most identified facets were information, subsidies and social benefits, daily routines, social contacts and psychological distress. Around 20% of the participants expressed one disability, especially at the domain of the participation in the society (47.2%). The average quality of life was 65.08 (standard deviation: 21.35), with the domain of the psychological presenting the highest value (74.21, standard deviation: 14.87) and environmental the lowest (59.27, standard deviation: 15.15). The satisfaction with services was positively assessed in the dimensions of overall satisfaction and competency of the professionals. The dimensions information, family involvement, effectiveness and access had positive evaluation. The types of intervention with services poorly available had a relative satisfaction. DISCUSSION: In a context of shortage, the results were considered more satisfactory than expected, but with many inadequacies in the process of care. CONCLUSION: This study allowed to know the process of care to the patients with schizophrenia and provided elements for the programs of care.

Predictors of student success: a study of Portuguese Higher Education graduates

Work Projected presented in the context of a Directed Research Internship at the Directorate-General of Statistics of the Portuguese Ministry of Education, and as part of the requirements for the Award of a Masters Degree in Economics from the NOVA - School of Business and Economics

The role of income inequality on fiscal multipliers

A Work Project, presented as part of the requirements for the Award of a Masters Double Degree in Economics from the Nova School of Business and Economics and University of Maastricht

Do the psychological impacts of war cause poverty?: Evidence from Mozambique

This paper evaluates the extent to which war-related psychological distress causes poverty. The endogeneous nature of mental distress is addressed by using exposure to the civil war in Mozambique as an instrument. It is found that exposure to war has a significant and positive long-lasting impact on mental distress. Furthermore, the causal impact of war-related psychological distress on income and wealth is shown to be significant, negative, and nonnegligible. One standard deviation increase in mental distress decreases income by half a standard deviation. These findings are robust to alternative specifications, including the use of an alternative database on the incidence of PTSD in Mozambique.