myocardial blood flow
Effects of Nitroglycerin on Regional Myocardial Blood Flow in Coronary Artery Disease
... Regional myocardial blood flow before and after sublingual nitroglycerin was measured in 10 patients with coronary artery ...parallel flow systems by the compartmental ...collateral ...
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Relationship between regional myocardial blood flow and thallium 201 distribution in the presence of coronary artery stenosis and dipyridamole induced vasodilation
... myocardial blood flow during coronary vasodilation induced by intravenous dipyridamole in canine models of partial and complete coronary artery ...electromagnetic flow probe on the proximal ...
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Effects of exerimental right ventricular hypertrophy on myocardial blood flow in conscious dogs
... myocardial blood flow in the absence of an elevated coronary arterial driving pressure were evaluated in 18 concscious dogs subjected to a chronic pressure overload of the right ventricle induced by ...
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Myocardial Blood Flow Distribution in Concentric Left Ventricular Hypertrophy
... Regional myocardial blood flow during both control conditions and ischemia-induced vasodilatation was studied in eight chronically instrumented awake ...
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Quantitative myocardial blood flow imaging with integrated time-of-flight PET-MR
... Background: The use of integrated PET-MR offers new opportunities for comprehensive assessment of cardiac morphology and function. However, little is known on the quantitative accuracy of cardiac PET imaging with ...
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Effect of streptozotocin-induced diabetes on myocardial blood flow reserve assessed by myocardial contrast echocardiography in rats
... assess myocardial blood velocity and volume separately, and myocardial blood flow as the product of the ...The myocardial blood flow estimate by MCE was also ...
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Effects of nitroglycerin on transmural myocardial blood flow in the unanesthetized dog
... of myocardial blood flow in the awake dog during normal conditions and in the presence of ischemia-induced coronary ...Regional myocardial blood flow was estimated by using ...
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Myocardial blood flow and myocardial flow reserve values in 13N–ammonia myocardial perfusion PET/CT using a time-efficient protocol in patients without coronary artery disease
... of myocardial Positron Emission Tomography/Computed Tomography (PET/CT) is being used increasingly to assess coronary artery disease (CAD) and to guide revascularization decisions with more ...addition, ...
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Local effects of acute cellular injury on regional myocardial blood flow
... This study was designed to examine local effects of acute cellular injury on regional myocardial blood flow. Studies were carried out in awake dogs chronically prepared with indwelling catheters in ...
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Computational studies of the effects of myocardial blood flow reductions on cardiac metabolism
... in myocardial blood flow of various magnitudes and dura- ...normal-to-reduced flow transition have not been performed over a wide range of myocardial blood flows during prolonged ...
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The influence of hypertonic mannitol on regional myocardial blood flow during acute and chronic myocardial ischemia in anesthetized and awake intact dogs
... regional myocardial blood flow and ventricular performance was studied during acute myocardial ischemia in awake, unsedated and in anesthesized dogs and after myocardial infarction in ...
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Hemodynamic alterations and regional myocardial blood flow during supraceliac aortic occlusion in dogs with a critical coronary stenosis
... The hemodynamic consequences and myocardial blood flow alterations associated with cross-clamping of the thoracic aorta were studied during pentobarbital control, halothane 1 MAC, and is[r] ...
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Regional Myocardial Blood Flow in Awake Dogs
... of myocardial blood flow or impair capacity for augmentation of flow in response to a coronary vasodilator ...stimulus. Myocardial blood flow was measured in relatively ...
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Regional myocardial blood flow during graded treadmill exercise in the dog
... Regional myocardial blood flow was measured in nine dogs at rest and during three levels of treadmill exercise by using left atrial injections of 7-10-mum radioactive ...ventricular myocardial ...
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Regional Myocardial Blood Flow
... A method is described which measures the local effectiveness of the myocardial circulation, expressed as a clearance constant. Uniform clearance constants have been demonstrated in the normal canine and human ...
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Quantification of myocardial blood flow with cardiovascular magnetic resonance throughout the cardiac cycle
... Heller et al. showed that arterial waveforms in the proximal RCA have significantly less phasic variation be- cause right ventricular peak systolic pressure is much lower than aortic peak systolic pressure and because ...
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β2-adrenergic stress evaluation of coronary endothelial-dependent vasodilator function in mice using 11C-acetate micro-PET imaging of myocardial blood flow and oxidative metabolism
... C]acetate blood time-activity curves (TACs) were obtained from an image-derived region-of-interest on the inferior vena cava (VC) using Inveon™ Research Workplace (IRW) software (Siemens; Knoxville, TN, ...
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Myocardial blood flow assessment with myocardial perfusion scan in patients with coronary artery chronic total occlusion
... of myocardial blood circulation, which causes controversy in the legitimacy of invasive ...full blood circulation of the heart tissues and does not protect against ...
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Nitroglycerin and Heterogeneity of Myocardial Blood Flow REDUCED SUBENDOCARDIAL BLOOD FLOW AND VENTRICULAR CONTRACTILE FORCE
... transmural distribution of blood flow in the left ventricle after partial coronary artery occlusion was investigated using two independent methods. In 16 open chest, anesthetized dogs, tubing supplying the ...
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Myocardial arterial spin labeling perfusion imaging with improved sensitivity
... cerebral blood flow in cerebrovascular disease and neuro-oncology ...measure myocardial blood flow (MBF) in both animal models [4-9] and humans ...[10-13]. Myocardial ASL has ...
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