Contrast Echocardiography
Mostrando 1-12 de 91 artigos, teses e dissertações.
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1. Compression of the Left Atrium and Pulmonary Veins Due to Ascending and Descending Aortic Aneurysms
Abstract An 89-year-old female patient presented to our cardiology outpatient clinic complaining of shortness of breath and back pain. Chest X-ray demonstrated a widened mediastinum. Transthoracic echocardiography showed an ascending aortic aneurysm and the modified apical 5-chamber view showed that left atrium was compressed between the ascending and descen
Braz. J. Cardiovasc. Surg.. Publicado em: 2020-04
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2. Value of Contrast Transesophageal Echocardiography in the Detection of Intrapulmonary Vascular Dilatations in Hepatosplenic Schistosomiasis
Resumo Fundamento: A síndrome hepatopulmonar (SHP), presente em pacientes cirróticos, é pouco estudada na esquistossomose hepatoesplênica (EHE) e inclui a ocorrência de dilatações vasculares intrapulmonares (DVP). O ecocardiograma transesofágico com contraste (ETEc) de microbolhas é mais sensível que o ecocardiograma transtorácico com contraste (
Arq. Bras. Cardiol.. Publicado em: 03/10/2019
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3. Association between Morphodynamic Variables by Transesophageal Echocardiography and CHA2DS2-Vasc Values
Abstract Background: In atrial fibrillation (AF), the CHA2DS2-VASc score calculates the risk for stroke. Di Biase classified the left atrial appendage (LAA), using magnetic resonance imaging, into 4 morphological types and correlated it with cerebrovascular events. Transesophageal echocardiography (TEE) also evaluates LAA and is a more widespread technique.
Int. J. Cardiovasc. Sci.. Publicado em: 15/04/2019
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4. Schistosomiasis and hepatopulmonary syndrome: the role of concomitant liver cirrhosis
BACKGROUND Hepatopulmonary syndrome (HPS) is defined as an oxygenation defect induced by intrapulmonary vasodilation in patients with liver disease or portal hypertension. It is investigated in patients with liver cirrhosis and less frequently in those with portal hypertension without liver cirrhosis, as may occur in hepatosplenic schistosomiasis (HSS). O
Mem. Inst. Oswaldo Cruz. Publicado em: 2017-07
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5. Previous exercise training increases levels of PPAR-α in long-term post-myocardial infarction in rats, which is correlated with better inflammatory response
OBJECTIVE: Exercise is a protective factor for cardiovascular morbidity and mortality, with unclear mechanisms. Changing the myocardial metabolism causes harmful consequences for heart function and exercise contributes to metabolic adjustment modulation. Peroxisome proliferator-activated receptors (PPARs) are also myocardium metabolism regulators capable of
Clinics. Publicado em: 2016-03
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6. Chagas disease: morbidity profile in an endemic area of Northeastern Brazil
Abstract: INTRODUCTION : This study evaluated the clinical forms and manifestation severities of Chagas disease among serologically reactive individuals from Western Rio Grande do Norte (Northeastern Brazil). METHODS : This cross-sectional study included 186 adults who were evaluated using electrocardiography, echocardiography, chest radiography, and contr
Rev. Soc. Bras. Med. Trop.. Publicado em: 2015-12
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7. Valor prognóstico da reserva de fluxo coronário e miocárdico obtida pela ecocardiografia contrastada em pacientes com cardiomiopatia dilatada de origem não isquêmica / Prognostic value of coronary and myocardial flow reserve obtained by contrast echocardiography in patients with nonischemic dilated cardiomyopathy
Apesar dos avanços no entendimento da fisiopatologia e dos recursos terapêuticos atualmente disponíveis, a cardiomiopatia dilatada (CMD) permanece como uma condição com alta mortalidade, sendo que a disfunção microvascular é um dos mecanismos relacionados à piora da função cardíaca. Nos últimos anos, novas técnicas de ecocardiografia vêm sendo
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 14/05/2012
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8. Avaliação de massas cardíacas pela ecocardiografia com perfusão em tempo real / Evaluation of cardiac masses by real time perfusion imaging echocardiography
Introdução: As massas cardíacas (MC) podem ser tumores, trombos ou pseudotumores. A avaliação da vascularização poderá ser uma ferramenta adicional para o seu diagnóstico diferencial. Neste estudo, demonstrou-se o valor diagnóstico da ecocardiografia com perfusão na caracterização das MC or meio de análises qualitativas e quantitativas de perfu
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 11/05/2011
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9. Estudo da perfusão miocárdica e reserva coronariana pela ecocardiografia sob estresse com perfusão em tempo real em pacientes com diabetes melito descompensado e após tratamento / Myocardial perfusion study and coronary flow reserve by real-time utilizing myocardial contrast echocardiography in decompensated diabetic patients after treatment
Background: Diabetes mellitus (DM) is associated with alterations in coronary flow reserve on microvascular circulation. Real-time myocardial contrast echocardiography has proven to be a useful method for non-invasive evaluation of microvascular alterations. The objective of this study was to assess whether the control of diabetes would influence the values
Publicado em: 2010
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10. Comparação das alterações da motilidade segmentar e da perfusão miocárdica durante o estresse pela dobutamina-atropina, pela ecocardiografia com contraste e pela ressonância magnética, na detecção de doença arterial coronária obstrutiva / Comparison of wall motion and myocardial perfusion abnormalities during dobutamine-atropine stress with myocardial contrast echocardiography and magnetic resonance imaging for the detection of obstructive coronary artery disease
The detection of left ventricular (LV) wall motion abnormalities induced by pharmacological or physical stress has a well established role in the non-invasive determination of myocardial ischemia. However, following the temporal sequence of events in the ischemic cascate, perfusion heterogeneity is one of the earliest and may occur before wall motion abnorma
Publicado em: 2010
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11. Associação entre o efeito de contraste espontâneo na aorta torácica e eventos isquêmicos encefálicos recentes : estudo através do ecocardiograma transesofágico / Association between the effect of spontaneous contrast in the thoracic aorta and recent eschemic stroke determined by transesophageal echocardiography
Objetivo - Avaliar a existência de associação independente entre a presença de efeito de contraste espontâneo na aorta e eventos isquêmicos encefálicos recentes. Métodos - Estudados com ecocardiograma transesofágico 224 indivíduos com diagnóstico de eventos isquêmicos encefálicos recente 5 e 85 controles que realizaram o exame por diversas doen�
Publicado em: 2010
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12. Acurácia da ecocardiografia com estudo da perfusão miocárdica na avaliação de viabilidade em pacientes com disfunção ventricular esquerda crônica submetidos à revascularização / Real-time perfusion echocardiography accuracy for detecting viability in chronic left ventricular dysfunction undergoing myocardial revascularization
BACKGROUND: Real-time perfusion echocardiography (RTPE) is an emerging modality for assessing myocardial perfusion and allows noninvasive quantification of regional myocardial blood flow. Little is known about the accuracy of the RTPE for the assessment of myocardial viability and the possibility of prediction of quality of life improvement after myocardial
Publicado em: 2009