Obstructive Coronary Artery Disease
Mostrando 25-36 de 74 artigos, teses e dissertações.
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25. 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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26. Influence of preoperative serum N-terminal pro-brain type natriuretic peptide on the postoperative outcome and survival rates of coronary artery bypass patients
BACKGROUND: The N-terminal fragment of pro-brain type natriuretic peptide (NT-proBNP) is an established biomarker for cardiac failure. OBJECTIVE: To determine the influence of preoperative serum NT-proBNP on postoperative outcome and mid-term survival in patients undergoing coronary artery bypass grafting (CABG). METHODS: In 819 patients undergoing isolated
Clinics. Publicado em: 2010
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27. A prevalência e impacto da síndrome da apneia obstrutiva do sono em pacientes submetidos à cirurgia de revascularização miocárdica / The prevalence and impact of obstructive sleep apnea syndrome in patients submitted to myocardial revascularization
Introdução: A apneia obstrutiva do sono (AOS) é caracterizada por episódios recorrentes de colapso parcial ou completo da faringe responsáveis por roncos e eventos de hipopneia ou apneia, respectivamente, associados à queda de saturação de oxigênio e despertares frequentes durante o sono. A AOS está associada à doença arterial coronariana e é um
Publicado em: 2010
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28. AVALIAÇÃO DA ATIVIDADE DE ENZIMAS QUE DEGRADAM NUCLEOTÍDEOS DE ADENINA E ÉSTERES DE COLINA E ESTUDO DO PERFIL OXIDATIVO EM PACIENTES COM CARDIOPATIA ISQUÊMICA / EVALUATION OF THE ENZYME ACTIVITY THAT DEGRADES ADENINE NUCLEOTIDES AND ESTERS OF CHOLINE AND STUDY OF OXIDATIVE PROFILE IN PATIENTS WITH ISCHEMIC HEART
Ischemic heart disease (IHD) is a major cardiovascular disease. The term ischemiarefers to a lack of oxygen due to inadequate perfusion, which results from an imbalance between oxygen supply and demand. The most common cause of myocardial ischemia is atherosclerotic obstructive coronary artery disease caused by rupture or ulceration of atheromatous plaque an
Publicado em: 2010
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29. Noninvasive assessment of endothelial function and ST segment changes during exercise testing in coronary artery disease
Endothelial function (EF) plays an important role in the onset and clinical course of atherosclerosis, although its relationship with the presence and extent of coronary artery disease (CAD) has not been well defined. We evaluated EF and the ST segment response to an exercise test in patients with a broad spectrum of CAD defined by coronary angiography. Sixt
Brazilian Journal of Medical and Biological Research. Publicado em: 2009-05
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30. Evidence that the degree of obstructive sleep apnea may not increase myocardial ischemia and arrhythmias in patients with stable coronary artery disease
There is controversy regarding whether obstructive sleep apnea is responsible for triggering myocardial ischemia, arrhythmias and heart rate variability in patients with coronary artery disease. OBJETIVE: The objective of this study was to identify relationships between sleep apnea, myocardial ischemia and cardiac arrhythmia in patients with coronary artery
Clinics. Publicado em: 2009-03
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31. Comparison of non-invasive methods for the detection of coronary atherosclerosis
BACKGROUND: Non-invasive detection of atherosclerosis is critical for its prevention. OBJECTIVE: To correlate non-invasively detectable indicators of coronary atherosclerosis, or Coronary Artery Disease (i.e., classical risk factors, hs-CRP test results, carotid intima-media thickness, endothelial function, ankle-brachial index and calcium score by computed
Clinics. Publicado em: 2009
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32. Detection of coronary artery disease by multiple detectorrow computed tomography in pre-transplant chronic renal insufficiency patients / Detecção de doença arterial coronária pela tomografia computadorizada com múltiplos detectores em pacientes com insuficiência renal crônica pré-transplante
INTRODUCTION: Coronary artery disease (CAD) is the main cause of death in patients with end stage renal failure (ESRF) associated to a mortality rate higher than in general population. Results of traditional noninvasive exams for CAD detection have been conflicting and usually below the level to assure clinical usage. Multiple detector-row computed tomograph
Publicado em: 2008
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33. Frequencia de aterosclerose nas arterias radiais de 29 cadaveres / Frequency of atherosclerosis in radial arteries of 29 cadavers
The use of radial artery as a coronary artery bypass graft increased since 1992. It is justified that arterial grafts theoretically would last more than venous grafts. But radial arteries could have atherosclerotic obstructions before cardiac bypass grafting surgery. The objective of this study is to verify the incidence of atherosclerotic obstructions and m
Publicado em: 2007
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34. Doença periodontal como fator de risco coronariano São José do Rio Preto: Faculdade de Medicina de São José do Rio Preto, 2006.
Ainda permanecem controvérsias quanto à ligação causal e mecanismos fisiopatológicos que expliquem a associação entre Doença Periodontal e Doenças Cardiovasculares. Objetivo: Detectar a existência de associação entre doença periodontal ativa (DP) e ocorrência de Síndromes Coronárias Agudas (SCA). Casuística e Método: Foram avaliados 361 pac
Publicado em: 2006
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35. "Desenvolvimento de monitor de oximetria contínua para diagnóstico de apnéia obstrutiva do sono na unidade coronária" / Development of a continuous overnight oximetry monitor for the diagnosis of obstructive sleep apnea in the coronary care unit.
BACKGROND: A high prevalence of Obstructive sleep apnea (OSA) has been reported in patients with coronary artery disease (CAD). Several OSA related mechanisms, such as oxygen desaturation, high sympathetic activity, increased cardiac oxygen demand and a prothrombotic state, may be particularly dangerous in acute CAD patients. Nevertheless, OSA is frequently
Publicado em: 2005
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36. A influencia de variaveis clinicas e angiograficas na sobrevida a longo prazo de pacientes com infarto agudo do miocardio submetidos a terapeutica trombolitica
Background: Although thrombolisys reduced mortality in acute myocardial infarction long term outcome of survivors is istill spurr. Objective: to uncover the principal clinical and angiographic predictors of long term (>1 year) mortality of patients treated with thrombolytic in acute myocardial infarction. Material and methods: We reviewed and analyzed the re
Publicado em: 2001