967 resultados para ponte de artéria coronária


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Ilustração. Dimensão: 5251x2562. Tamanho: 736Kb.

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High carotid artery resistance indices in the elderly arise mainly as a result of harmful daily lifestyle behavior and poor eating habits. The aim of this multidisciplinary study was to assess and correlate carotid artery resistance and functional autonomy in elderly women. A descriptive, exploratory cross-sectional study was conducted with a sample comprising 27 women, enrolled in pastoral programs in the city of Teresina, Brazil. Carotid artery resistance was assessed by a high-resolution Doppler ultrasound device and functional autonomy was evaluated through five protocol tests of the Latin American Development Group for the Elderly (GDLAM), simulating activities of daily life. The data were analyzed by the Shapiro-Wilk test and the correlation by Spearman s test, considering a p-value of <0.05. The sample consisted of women with mean age and standard deviation of (68.67 ± 4.52) years, respectively and carotid resistance index of (0.71 ± 0.07). The general index value of functional autonomy classified the elderly of the study group as weak in the performance of activities of daily living (30.46 ± 6.31). The general index of functional autonomy showed a high level of sedentary behavior in the group studied (p < 0.01). The sample was classified as weak in the performance of activities of daily life. The correlation coefficient between the carotid resistance index and the general GDLAM index was r = 0.998 and p = 0.000, showing a significant correlation. The elderly women assessed had a high carotid artery resistance index and low functional autonomy; a positive correlation was found between the dependent variables studied. To perform this study we formed a team composed of a nurse, who helped in organizing the sample and performing the examinations; a radiologist, who conducted the Doppler examinations; an angiologist, who collaborated in interpreting examination data; in addition to two physical education professors and two physical therapists, who applied the functional autonomy tests and conducted the 34 research along elderly health lines, contributing thus to the multidisciplinary character, fundamental for carrying out the study

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The aim of this study was to analyze the effects of an aerobic exercise program on the internal right carotid resistive index (IRCRI) and the functional autonomy levels of elderly women. The sample was composed of 25 elderly sedentary women, aged between 60 and 75 years, allocated into two groups: an experimental group consisting of 14 women submitted to aerobic treatment and a control group (n=11). Carotid artery resistance assessment was conducted using Doppler ultrasound and functional autonomy by the following tests: 10m walk (10mW), rising from a sitting position (RSP), rising from a chair and moving about the house (RCMH), rising from the ventral decubitus position (RVDP) and putting on and removing a t-shirt (PRTS). Aerobic training consisted of walking 30 minutes a day, 3 times a week, for 3 months. To control the intensity of the walk, the index of perceived exertion was used, with standardized Borg scale values corresponding to 13-15 points, characterized as slightly tiring exercise with training heart rate (TRH) between 50% and 80% of heart rate reserve (HRR). Repeated measures ANOVA was used for statistical analysis. Compared to the control, the experimental group obtained a statistically significant decrease in right internal carotid resistance (p = 0.021) and a significant increase in the following tests: 10mW (p=0.000), RSP (p=0.035) and RCMH (p=0.016). These results suggest that engaging in aerobic exercises was effective in decreasing IRCRI and improving functional autonomy inelderly women

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Este estudo teve como objetivo analisar os efeitos de um programa de exercício físico aeróbico sobre o índice de resistência da artéria carótida interna direita (IRCID) e os níveis de autonomia funcional de mulheres idosas. A amostra foi constituída por 25 idosas sedentárias, com idade entre 60 e 75 anos, divididas em dois grupos: grupo experimental com 14 idosas submetidas ao treinamento aeróbico e grupo controle (n=11). A avaliação da resistência da artéria carótida foi realizada pelo método de ultrasom Doppler e a autonomia funcional pelos testes: caminhar 10m (C10m), levantar da posição sentada (LPS), levantar-se da cadeira e locomover-se pela casa (LCLC), levantar-se da posição decúbito ventral (LPDV) e vestir e tirar a camisa (VTC). O treinamento aeróbico foi realizado na forma de caminhada, 30 minutos por dia, 3 vezes por semana, durante 3 meses. Para o controle da intensidade da caminhada foi utilizado o índice de esforço percebido, com valores padronizados pela escala de Borg onde a intensidade deveria corresponder a uma faixa entre os valores 13 a 15 pontos, correspondente a uma situação orgânica derivada de um exercício compreendido como ligeiramente cansativo e a frequência cardíaca de treino (FCT) entre 50% a 80% da frequência cardíaca de reserva. Para analise estatística foi utilizado a ANOVA de medidas repetidas. O grupo experimental quando comparados com o grupo controle obteve uma diminuição estatisticamente significativa na resistência da artéria carótida interna direita (p=0,021), e um aumento significativo nos testes: C10m (p=0,000), LPS (p=0,035) e no LCLC (p=0,016). Estes resultados sugerem que a prática de exercícios físicos aeróbicos foi eficaz em diminuir o IRCID e melhorar os níveis de autonomia funcional em mulheres idosa

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The purpose of this study is to understand what are the matrix elements in which everyday activities of social author/authors, actor/actors and actress/actresses are embedded, in order to carry out the Escola da Ponte s political and pedagogic process (PPP). Thus, the object of this study is to reflect on an experience developed in a public school supported by the Portuguese State within the scenario of institutions that are committed to building up a school of the people by investing in democratization and community participation in their management process. The methodological course of action was targeted at the presuppositions of qualitative research (WOODS, 1999; BURGESS, 1997; MILLS, 1982; OLIVEIRA, 1998; BOGDAN and BIKLEN, 1994; MACEDO, 2000; CASAL, 1996; GEERTZ, 2000), with data collected from random word association (MACHADO and CARVALHO, 2003), the discourse of the interviewed (KAUFMANN, 1996; SILVA, 2006; 2002), observation notes and documents (ELIAS, 1997). Based on a multiple reference and theoretical framework, the investigation revealed elements that are construed as the raw material and pillars supporting the bridge of a school of the people, as well as the self-organization of the school community which emerges as a dimension that binds together all the elements and brings new arrangements into the school dynamics by moving from the individual to the society (DUPUY, 1990). Along this line, the central argument is that in the short and long run the public school quality does not spring from macro educational policies, nor from ephemeral mass-production programs, projects or governmental policies, but from the intent of the professionals working there in becoming authors and characters in the process of building up and carrying out the PPP. The Project has been conceived in the light of the needs and intentionality of the community whose support comes from the participation and social control held by the students families and the community s power to force to action public administration central agencies aiming at having the State fulfill its responsibilities

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It is a case study that reports the construction of metal truss bridge in the river Potengi in Natal, Rio Grande do Norte, between the years 1912 and 1916. From testimonials on steel bridges in Brazil and worldwide including foundations. Documentary research from procurement of projects and contracts was performed. A chronology of construction, with a description of the equipment used and its original budget with the Brazilian government. Still, we used interviews and surveys with experimental sampling / testimonies, laboratory tests. This study aims to analyze historically and technically the Bridge over the River Potengi, emphasizing primarily the construction process, the qualities and characteristics of the materials used and the technological, chemical, mineralogical and microstructural properties of cement and concrete used in its construction. Taking as conclusions that cements pozolônicos ensured a good durability to the concrete in a hundred-year period and that the solution employed with the compressed air caissons was right

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In this work we study the phase transitions of the ferromagnetic three-color Ashkin-Teller Model in the hierarquical lattice generated by the Wheatstone bridge using real space renormalization group approach. With such technique we obtain the phase diagram and its critical points with respective critical exponents v. This model presents four phases: ferromagnetic, paramagnetic and two intermediates. Nine critical points were found, three of which are of Ising model type, three are of four states Potts model type, one is of eight states Potts model type and the last two which do not correspond to any Potts model with integer number of states. iv

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The present work is a study on the functions performed by landmarks landscape Natal / RN in the urban fabric, in the case of Midway Mall, the Portico dos Reis Magos, the Morro do Careca and Newton Navarro Bridge. For such goals established itself as analyze the functionality of the milestones presented here in the urban fabric; discuss the importance of these landmarks of the city landscape in the process of urbanization of Natal, and identify and spatialize actions related to the use of territories where are located landmarks, discussing their reflections. To achieve these goals we chose to use as a literature search procedures, the problematic concept, working with oral sources, and reading speechless. To support this research the main concepts were worked landscape, city, landmark, public space, circuits, among others. After going over the theory, consistent with the empirical data, it appears that the landmarks studied here have different functions and features, but all carry different forms of fascination for the public and visitors to the city, and every man your way, influence the public space, land speculation and feature importance in the process of urbanization of Natal

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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FUNDAMENTO: Existem poucas informações sobre fatores agravantes da qualidade de vida em pacientes com doença arterial coronariana (DAC), antes da intervenção coronária percutânea (ICP). OBJETIVO: Associar variáveis clínicas com escores de qualidade de vida (EQV) em pacientes com DAC estável, antes da ICP e com desfechos desfavoráveis, 12 meses após o procedimento. MÉTODOS: Trata-se de estudo longitudinal incluindo 78 pacientes (43 homens e 35 mulheres), antes da ICP eletiva. As associações entre EQV (questionário SF-36) e idade, sexo, peso, índice de massa corpórea, diabete melito (DM), hipertensão arterial, dislipidemia, tabagismo atual, evento cardiovascular ou ICP prévios, controle da glicemia e da pressão arterial foram analisadas por meio de regressão logística multivariada. Também se analisaram as associações entre esses atributos clínicos e os desfechos desfavoráveis (morte por qualquer causa, insuficiência cardíaca ou infarto não fatal). O nível de significância foi p < 0,05. RESULTADOS: As medianas dos EQV estiveram abaixo de 70 percentuais em todos os domínios. Sexo feminino, idade < 60 anos, evento cardiovascular ou ICP prévios, IMC > 25 kg/m², DM e pressão arterial elevada foram associados a maior prejuízo de, pelo menos, um dos EQV. Sexo feminino (OR: 7,19; IC95%: 1,55 - 33,36; p = 0,012), evento cardiovascular prévio (OR: 3,97; IC95%: 1,01 - 15,66; p = 0,049) e insucesso na ICP (OR: 10,60; IC95%: 1,83 - 61,46; p = 0,008) foram associados com risco aumentado de desfecho combinado. CONCLUSÃO: Na presença de DAC, mulheres e pacientes com comorbidades têm maior prejuízo da qualidade de vida. Os desfechos desfavoráveis após 12 meses da ICP estão associados com o sexo feminino, evento prévio ou insucesso do procedimento.

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INTRODUÇÃO: A via de acesso femoral tem sido a preferida para os procedimentos diagnósticos e terapêuticos coronarianos, mas apresenta limitações, principalmente relacionadas a complicações vasculares e hemorrágicas. O aces-so transradial é uma técnica mais recentemente empregada com o objetivo principal de diminuir essas complicações, além de produzir maior conforto e redução dos custos de hospitalização, embora com maior curva de aprendizagem. O objetivo deste estudo foi avaliar a realização de coronariografia transradial, executada por operadores sem experiência na técnica, e comparar com a abordagem clássica (Sones e femoral) em termos de sucesso do procedimento e complicações, analisando a influência da curva de aprendizagem. MÉTODO: Estudo multicêntrico realizado em 14 hospitais do interior de São Paulo, no período de um ano. Foram randomizados mil pacientes de maneira equivalente para as técnicas transradial ou clássica. RESULTADOS: A taxa de sucesso em ambos os grupos foi similar (97,8% vs. 98,5%; P = 0,47). No grupo clássico, 95,2% dos procedimentos foram realizados pela técnica de Sones. O número de cateteres utilizados, a duração do procedimento e o tempo de exposição aos raios X foram maiores no grupo transradial (P < 0,001). Não houve diferença quanto às complicações maiores (morte, infarto e acidente vascular cerebral) e quanto às complicações vasculares e hemorrágicas. Os grupos que realizaram mais de 100 procedimentos pela artéria radial (3 centros/5 operadores) obtiveram menor taxa de insucesso (1,6% vs. 3,6%; P = 0,04). CONCLUSÃO: Um período de aprendizagem para a realização de procedimentos pela via transradial mostra-se necessário, porém não se acompanha de menor índice de sucesso, nem tampouco de maior taxa de complicações para os pacientes.