Coronarios Vessels
Mostrando 1-7 de 7 artigos, teses e dissertações.
-
1. Characterization of coronary arteries in Giant Anteater (Myrmecophaga tridactyla: Myrmecophagidae)
RESUMO Foram utilizados 12 tamanduás-bandeira (Myrmecophaga tridactyla), adultos, sendo seis machos e seis fêmeas, pesando de 20 a 27,32kg, provenientes de vida livre. Foi realizada abertura da cavidade torácica até a visualização do conjunto coração e pulmões e, posteriormente, injeção dos vasos coronários. A artéria coronária direita emergia,
Arq. Bras. Med. Vet. Zootec.. Publicado em: 06/06/2019
-
2. Comparação das dimensões das artérias coronárias e da composição da placa aterosclerótica entre a angiografia coronária por tomografia de 64 colunas de detectores e a ultrassonografia intracoronária com a técnica de histologia virtual / Comparison of coronary artery dimensions and atherosclerotic plaque composition between coronary angiography by 64-slice computed tomography and by virtual histology intravascular ultrasound technique
Introdução: No momento, pouco se conhece sobre o desempenho diagnóstico da angiotomografia de coronárias com 64 colunas de detectores (Angio-TC 64) frente aos achados do ultrassom intracoronário com técnica de histologia virtual (USIC-HV). Este estudo compara a capacidade diagnóstica de ambos os métodos para a avaliação das dimensões vasculares e
Publicado em: 2010
-
3. Mecanismos embrionários de diferenciação de precursores coronários: princípios para aplicação em terapia celular. / Embryonic mechanisms of coronary precursor differentiation: principles for cell therapy.
Coronary vessels derive from the proepicardium (PE), a structure formed by precursor of coronary vessels cells, endothelial and smooth muscle cells (CoSMC). In vivo there is a clear gap between the endothelial differentiation and the integration of CoSMC into the vascular tubes. The aim of this work was to understand the mechanisms controlling the delayed in
Publicado em: 2009
-
4. Estudo das alterações da resposta vasodilatadora e vasoconstritora em aortas de ratas diabéticas e os mecanismos envolvidos. / Study of the alterations of the vasodilator and the vasoconstrictor responses in aortas of the diabetic female rats and the mechanisms involved.
Thirty days after induction of diabetes, in aortas with endothelium (E+) of diabetic female rats (DB), the maximum response (Rmax) to potassium chloride (KCl) was reduced and the Rmax to noradrenaline (NE) was similar to controls (CT). The endothelium (E-) removal increased the response to KCl and NE, but this increase was of a lower magnitude in DB than in
Publicado em: 2009
-
5. Aumento da IL-1beta no processo de arterialização de enxertos venosos utilizando modelos ex vivo, in vitro e in vivo / Increased IL-1beta during vein grafts arterialization: study of ex vivo, in vitro and in vivo models
The vein graft is subjected to increased tensile stress and the complex adaptive vein response to the arterial hemodynamic condition may predispose to bypass failure in some individuals. The understanding of molecular changes underlying this process may be useful for the development of novel therapeutical interventions to increase the vein graft patency. In
Publicado em: 2008
-
6. Anatomical evaluation of human coronary arteries by magnetic resonance, intravascular ultrasound and pathological anatomy "in vitro" / Avaliação anatômica de artérias coronárias humanas por ressonância magnética, ultra-som intravascular e anatomia patológica "in vitro"
INTRODUCTION: Numerous studies in the area of image have been conducted to evaluate the morphology of the coronary arteries. Major technical advances have provided better image quality that allows a reliable diagnosis of coronary lesions. For this, studies with cardiovascular magnetic resonance (CMR) and coronary intravascular ultrasound has been developed i
Publicado em: 2008
-
7. "Efeito da poluição atmosférica urbana da cidade de São Paulo nas células sangüíneas e no sistema cardiopulmonar. Estudo morfo-funcional em camundongos in vivo" / Effect of urbain air pollution of Sao Paulo city in the blood and cardiopulmonary system : a morpho-functional study in mice in vivo
Objective: verify if air pollution of São Paulo city induces alterations in blood and cardiopulmonary systems. MM: Balb/c mice were exposed during 7, 14, 21, 30 and 45 days to 3 chambers: Clean (control), Intermediate (PM only) and Dirty (external air). After exposure, animals were ventilated (FlexiVent) and collected lung mechanics data and blood, heart an
Publicado em: 2005