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Search Results: 1 - 10 of 8823 matches for " Catarina; Dias "
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Characterization of readmissions at a Portuguese psychiatric hospital: An analysis over a 21 month period
Dias Neto,David; Silva,Ana Catarina da;
The European Journal of Psychiatry , 2008, DOI: 10.4321/S0213-61632008000200002
Abstract: background and objectives: the readmission rate has been considered as a promising variable to evaluate the efficacy of the mental health system. considering the lack of literature on the subject in portugal, it is important to characterize it further in order to validate its meaning as a variable. the aim of this analysis was to characterize readmissions to júlio de matos hospital (jmh), in comparison with the single admissions. methods: this analysis was made through the review of the clinical files of patients admitted over a period of 21 months. results: of the 3,225 patients admitted in this period, 1,276 (39.6%) were readmissions. furthermore, a readmitted patient was admitted, on average, 2.6 times during the study timeframe. the results show a reduced social involvement, an increased prior institutionalization and an increased incidence of "schizophrenic psychosis" and "abnormal personalities" in the sub-group of repeated admissions. conclusions: these findings are similar to those obtained in other european countries and strengthen the need for psychosocial and specific interventions at outpatient level. this analysis also shows the value of monitoring the relevant variables to tailor the intervention of the institutions.
Characterization of readmissions at a Portuguese psychiatric hospital: An analysis over a 21 month period
David Dias Neto,Ana Catarina da Silva
The European Journal of Psychiatry , 2008,
Abstract: Background and Objectives: The readmission rate has been considered as a promising variable to evaluate the efficacy of the mental health system. Considering the lack of literature on the subject in Portugal, it is important to characterize it further in order to validate its meaning as a variable. The aim of this analysis was to characterize readmissions to Júlio de Matos Hospital (JMH), in comparison with the single admissions. Methods: This analysis was made through the review of the clinical files of patients admitted over a period of 21 months. Results: Of the 3,225 patients admitted in this period, 1,276 (39.6%) were readmissions. Furthermore, a readmitted patient was admitted, on average, 2.6 times during the study timeframe. The results show a reduced social involvement, an increased prior institutionalization and an increased incidence of "Schizophrenic Psychosis" and "Abnormal Personalities" in the sub-group of repeated admissions. Conclusions: These findings are similar to those obtained in other European countries and strengthen the need for psychosocial and specific interventions at outpatient level. This analysis also shows the value of monitoring the relevant variables to tailor the intervention of the institutions.
Mycelial Growth of Pleurotus Spp in Se-Enriched Culture Media  [PDF]
Marliane de Cássia Soares da Silva, Mateus Dias Nunes, Jose Maria Rodrigues da Luz, Maria Catarina Megumi Kasuya
Advances in Microbiology (AiM) , 2013, DOI: 10.4236/aim.2013.38A003
Abstract:

Selenium (Se) is an essential element to human. However, this element can be in low content in soil of some regions. Se deficiency may cause Keshan disease, thyroid dysfunction and osteoarthritis. The Se-enriched cereals are an interesting way to prevent these diseases. But, recent studies have shown that Se-enriched mushrooms are a better Se source. This occurs due to the high capacity of the fungi to absorb and transform the inorganic Se to organic forms, which are more bioavailable. Pleurotus ostreatus and Pleurotus eryngii are mushrooms species worldwide consumed and able to Se bioaccumulate. However, depending on the level of this element, it can be toxic for the fungus. Here we showed that the presence of the Se in culture medium decreases fungal growth rate, hyphae diameter and septum distance and causes alteration in color of colony. A garlic strong smell was directly proportional to Se level. P. eryngii was more tolerant to Se than P. ostreatus. So, it is important to screen this element level for Se-enriched mushroom production.

E a justi a aqui t o perto? As transforma es no acesso ao direito e à justi a Justice at Hand? Transformations in the Access to Law and Justice La justice est-elle si proche ? Les transformations dans l’accès au droit et à la justice
Jo?o Pedroso,Catarina Trinc?o,Jo?o Paulo Dias
Revista Crítica de Ciências Sociais , 2012, DOI: 10.4000/rccs.1181
Abstract: Apresenta-se uma síntese da investiga o sobre o acesso ao direito e à justi a realizada no ambito do Observatório Permanente da Justi a Portuguesa, come ando por se analisar a evolu o dos sistemas de promo o do acesso ao direito e à justi a, no apogeu e no declínio do Estado-Providência, passando pelo apoio jurídico a pobres, a protec o dos interesses difusos e a resolu o alternativa de litígios. Após uma breve análise da ac o recente da Uni o Europeia e do Conselho da Europa, atenta-se nas transforma es do acesso ao direito e à justi a em Fran a, Inglaterra e Espanha e estuda-se a evolu o do regime do apoio judiciário em Portugal, de 1970 até aos nossos dias. Por último, procede-se à análise do impacto das recentes reformas do regime do apoio judiciário em Portugal e da ac o da rede das entidades públicas e privadas que prestam informa o, consulta jurídica e patrocínio jurídico em Portugal. The authors present a summary of the research on access to law and justice which was carried out in the context of the Permanent Observatory of Portuguese Justice. They begin by analyzing the evolution of the systems of promotion of access to law and justice, from the hey-day to the decline of the Welfare State, including legal aid to the poor, the protection of public interest, and alternative dispute resolution. After a brief analysis of the recent action of the European Union and the Council of Europe, the text addresses the transformations in the access to law and justice in France, England, and Spain, and focuses on the evolution of the regime of legal aid in Portugal. Finally, the text discusses the impact of the recent reforms in the regime of legal aid and the action of the network of public and private entities that provide information, legal counseling, and legal representation in Portugal. Les coauteurs présentent une synthèse de la recherche sur l’accès au droit et à la justice, réalisée dans le cadre de l’Observatoire Permanente de la Justice Portugaise, à partir de l’analyse de l’évolution des systèmes de promotion dans l’accès au droit et à la justice, pendant l’apogée et le déclin de l’Etat-Providence, évolution qui a passé par l’appui juridique aux pauvres, la protection des intérêts diffus et la résolution alternative des litiges. Après une analyse brève de l’action récente de l’Union Européenne et du Conseil de l’Europe, les coauteurs se penchent sur les transformations de l’accès au droit et à la justice en France, en Angleterre et en Espagne, abordant dans cette perspective l’étude de l’évolution du régime de l’appui judiciaire au Port
Learning Auditory Space: Generalization and Long-Term Effects
Catarina Mendon?a, Guilherme Campos, Paulo Dias, Jorge A. Santos
PLOS ONE , 2013, DOI: 10.1371/journal.pone.0077900
Abstract: Background Previous findings have shown that humans can learn to localize with altered auditory space cues. Here we analyze such learning processes and their effects up to one month on both localization accuracy and sound externalization. Subjects were trained and retested, focusing on the effects of stimulus type in learning, stimulus type in localization, stimulus position, previous experience, externalization levels, and time. Method We trained listeners in azimuth and elevation discrimination in two experiments. Half participated in the azimuth experiment first and half in the elevation first. In each experiment, half were trained in speech sounds and half in white noise. Retests were performed at several time intervals: just after training and one hour, one day, one week and one month later. In a control condition, we tested the effect of systematic retesting over time with post-tests only after training and either one day, one week, or one month later. Results With training all participants lowered their localization errors. This benefit was still present one month after training. Participants were more accurate in the second training phase, revealing an effect of previous experience on a different task. Training with white noise led to better results than training with speech sounds. Moreover, the training benefit generalized to untrained stimulus-position pairs. Throughout the post-tests externalization levels increased. In the control condition the long-term localization improvement was not lower without additional contact with the trained sounds, but externalization levels were lower. Conclusion Our findings suggest that humans adapt easily to altered auditory space cues and that such adaptation spreads to untrained positions and sound types. We propose that such learning depends on all available cues, but each cue type might be learned and retrieved differently. The process of localization learning is global, not limited to stimulus-position pairs, and it differs from externalization processes.
A Numerical Study of Local Variations in Tidal Regime of Tagus Estuary, Portugal
Jo?o Miguel Dias, Juliana Marques Valentim, Magda Catarina Sousa
PLOS ONE , 2013, DOI: 10.1371/journal.pone.0080450
Abstract: Tidal dynamics of shallow estuaries and lagoons is a complex matter that has attracted the attention of a large number of researchers over the last few decades. The main purpose of the present work is to study the intricate tidal dynamics of the Tagus estuary, which states as the largest estuary of the Iberian Peninsula and one of the most important wetlands in Portugal and Europe. Tagus has large areas of low depth and a remarkable geomorphology, both determining the complex propagation of tidal waves along the estuary of unknown manner. A non-linear two-dimensional vertically integrated hydrodynamic model was considered to be adequate to simulate its hydrodynamics and an application developed from the SIMSYS2D model was applied to study the tidal propagation along the estuary. The implementation and calibration of this model revealed its accuracy to predict tidal properties along the entire system. Several model runs enabled the analysis of the local variations in tidal dynamics, through the interpretation of amplitude and phase patterns of the main tidal constituents, tidal asymmetry, tidal ellipses, form factor and tidal dissipation. Results show that Tagus estuary tidal dynamics is extremely dependent on an estuarine resonance mode for the semi-diurnal constituents that induce important tidal characteristics. Besides, the estuarine coastline features and topography determines the changes in tidal propagation along the estuary, which therefore result essentially from a balance between convergence/divergence and friction and advection effects, besides the resonance effects.
Noncanonical Phase-Space Noncommutative Black Holes
Catarina Bastos,Orfeu Bertolami,Nuno Dias,Jo?o Prata
Physics , 2012, DOI: 10.1063/1.4734424
Abstract: In this contribution we present a noncanonical phase-space noncommutative (NC) extension of a Kantowski Sachs (KS) cosmological model to describe the interior of a Schwarzschild black hole (BH). We evaluate the thermodynamical quantities inside this NC Schwarzschild BH and compare with the well known quantities. We find that for a NCBH the temperature and entropy have the same mass dependence as the Hawking quantities for a Schwarzschild BH.
Seasonal Changes in Testes Vascularisation in the Domestic Cat (Felis domesticus): Evaluation of Microvasculature, Angiogenic Activity, and Endothelial Cell Expression
Gra?a Alexandre-Pires,Luísa Mateus,Catarina Martins,Gra?a Ferreira-Dias
Anatomy Research International , 2012, DOI: 10.1155/2012/583798
Abstract: Some male seasonal breeders undergo testicular growth and regression throughout the year. The objective of this study was to understand the effect of seasonality on: (i) microvasculature of cat testes; (ii) angiogenic activity in testicular tissue in vitro; and (iii) testicular endothelial cells expression throughout the year. Testicular vascular areas increased in March and April, June and July, being the highest in November and December. Testes tissue differently stimulated in vitro angiogenic activity, according to seasonality, being more evident in February, and November and December. Even though CD143 expression was higher in December, smaller peaks were present in April and July. As changes in angiogenesis may play a role on testes vascular growth and regression during the breeding and non-breeding seasons, data suggest that testicular vascularisation in cats is increased in three photoperiod windows of time, November/December, March/April and June/July. This increase in testicular vascularisation might be related to higher seasonal sexual activity in cats, which is in agreement with the fact that most queens give birth at the beginning of the year, between May and July, and in September. 1. Introduction The study of the vasculature of the testis has attracted scientists’ attention for many centuries, especially at the end of the 19th and throughout the 20th century. This research has been performed in a large variety of animal species such as rat, mouse, rabbit, guinea pig, dog, ram, bull, boar, horse, marsupials, man, and other primates [1–4]. It has been long known that the physiologic role of the pampiniform plexus, on thermoregulation of the testes. This is a highly efficient countercurrent heat exchanger in which the arterial blood is precooled before it reaches the testis, while venous blood is warmed to body temperature before it returns to the abdomen [5]. It is nevertheless very rare to find references on the vasculature of cat testes (Felis domesticus). Angiogenesis is physiologically modulated through a dynamic balance between the production and release of angiogenic/mitogenic growth factors or antiangiogenic/anti-mitogenic substances [6–9]. In the adult, physiological angiogenesis is mostly restricted to the female reproductive tract during the ovarian/uterine cycle [10–13]. Nevertheless, in the male, physiologic gonadal angiogenesis has also been described. Testicular angiogenesis is known to increase during testicular recrudescence in seasonal breeders such as the hamster [14] or to decrease in response to food restriction in
Effects of H2O2, Fe2+ and Fe3+ on curcumin-induced chromosomal aberrations in CHO cells
Antunes, Lusania Maria Greggi;Araújo, Maria Cristina Paiva;Dias, Francisca da Luz;Takahashi, Catarina Satie;
Genetics and Molecular Biology , 2005, DOI: 10.1590/S1415-47572005000100028
Abstract: the effects of h2o2, fe2+ and fe3+ on curcumin-induced clastogenicity were evaluated in cho cells. curcumin combined with h2o2 did not increase the chromosomal aberrations more than expected based on a simple additive effect. in contrast, the combination of curcumin-fe significantly decreased the total number of chromosomal aberrations and the number of abnormal metaphases. the clastogenicity of curcumin may be related to its pro-oxidant properties and its ability to generate free radicals.
Effects of turmeric and its active principle, curcumin, on bleomycin-induced chromosome aberrations in Chinese hamster ovary cells
Araújo, Maria Cristina P.;Dias, Francisca da Luz;Kronka, Sergio N.;Takahashi, Catarina S.;
Genetics and Molecular Biology , 1999, DOI: 10.1590/S1415-47571999000300021
Abstract: naturally occurring antioxidants have been extensively studied for their capacity to protect organisms and cells from oxidative damage. many plant constituents including turmeric and curcumin appear to be potent antimutagens and antioxidants. the effects of turmeric and curcumin on chromosomal aberration frequencies induced by the radiomimetic agent bleomycin (blm) were investigated in chinese hamster ovary (cho) cells. three concentrations of each drug, turmeric (100, 250 and 500 mg/ml) and curcumin (2.5, 5 and 10 mg/ml), were combined with blm (10 mg/ml) in cho cells treated during the g1/s, s or g2/s phases of the cell cycle. neither turmeric nor curcumin prevented blm-induced chromosomal damage in any phases of the cell cycle. conversely, a potentiation of the clastogenicity of blm by curcumin was clearly observed in cells treated during the s and g2/s phases. curcumin was also clastogenic by itself at 10 μg/ml in two protocols used. however, the exact mechanism by which curcumin produced clastogenic and potentiating effects remains unknown.
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