Myocardial metabolism
Hemodynamics, coronary blood flow, and myocardial metabolism in coronary shock; response to l norepinephrine and isoproterenol
... and myocardial metabolism were evaluated in 18 patients in cardiogenic shock following acute myocardial ...min). Myocardial oxygen consumption (MV O 2 ) was normal ...
19
New Developments in Anti Anginal Therapy: Roles of Ivabradine, Allopurinol and of Agents Modifying Myocardial Metabolism
... However, it appears possible to improve efficiency of myocardial oxygen utilization by more than the 13% - 15% expected from activation of a “Randle shift” [18]. Many of the agents concerned exert multiple ...
10
STUDIES ON MYOCARDIAL METABOLISM V THE EFFECTS OF LANATOSIDE C ON THE METABOLISM OF THE HUMAN HEART
... Simultaneous blood samples were collected from the coronary sinus and right femoral artery for determinations of oxygen, carbon dioxide, glucose, pyruvate, lactate, fatty acids, amino ac[r] ...
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Studies on Myocardial Metabolism III Coronary Blood Flow, Myocardial Oxygen Consumption and Carbohydrate Metabolism in Experimental Hemorrhagic Shock
... This report deals with a study of changes in coronary flow and myocardial oxygen consumption in experimental hemorrhagic shock and with the effect of these changes on the myocardial meta[r] ...
17
Phosphorus 31 nuclear magnetic resonance analysis of transient changes of canine myocardial metabolism in vivo
... relative myocardial phosphocreatine and adenosine triphosphate contents (PCr/ATP) during step changes in heart rate in vivo was studied in 14 dogs using 31P nuclear magnetic resonance (NMR) to determine if ...
11
MYOCARDIAL METABOLISM OF FATTY ACIDS
... In the first group, myocardial oxygen extraction ratios of fatty acids were calculated utilization of fatty acids was determined in fasting dogs as the ratios of their oxygen equivalent [r] ...
8
Coronary Hemodynamics and Regional Myocardial Metabolism in Experimental Aortic Insufficiency
... on myocardial tissue lactate, pyruvate, and water content in the outer and inner halves of the free wall of the left ...insufficiency, myocardial blood flow was judged to be nutritionally adequate in both ...
9
Myocardial metabolism of free fatty acids Studies with 14C labeled substrates in humans
... In addition, the arterial-coronary sinus difference underestimated the actual myocardial extraction of free fatty acids; this difference was significantly greater in the older patients w[r] ...
9
Altered myocardial substrate metabolism is associated with myocardial dysfunction in early diabetic cardiomyopathy in rats: studies using positron emission tomography
... in myocardial glucose metabolism measured in isolated working ...insulin-mediated myocardial glucose utilisation, correlated with systolic and diastolic ...ischemia, myocardial functional ...
12
THE HEMODYNAMICS OF THYROTOXICOSIS IN MAN WITH SPECIAL REFERENCE TO CORONARY BLOOD FLOW AND MYOCARDIAL OXYGEN METABOLISM
... Observations on the myocardial metabolism revealed that successful treatment was followed by significant changes in the coronary vascular resistance + 70 per cent p < 0.01, coronary bloo[r] ...
6
Clinical Implications of Cardiac Hyperpolarized Magnetic Resonance Imaging
... cardiac metabolism are now considered a cause, rather than a result, of cardiac ...of myocardial energetics, the inherently low sensitivity of the technique has limited its clinical application in the study ...
9
Delayed Dual-Time Point Imaging Protocol Improving Myocardial Uptake of 18-Fluorine Flouro Deoxyglucose ( 18 F-FDG) During Viability Screening of Diabetes Mellitus Type 2 Patients Using Integrated Positron Emission Tomography/Computed Tomography (PET/CT) Imaging
... encourage myocardial preference towards glucose ...shifting myocardial metabolism to glucose oxidative pathway in 18 F-FDG PET/CT myocardial viability ...chronic myocardial infarction ...
7
Myocardial Steatosis and Left Ventricular Function in Type 2 Diabetes Mellitus : Assessed with Magnetic Resonance Imaging and Spectroscopy
... and myocardial metabolism and perfusion variables as described above, as well as changes in hepatic and myocar- dial triglyceride content, BMI, blood pressure, glycated hemoglobin, plasma lipids and ...
193
Exaggerated atrial arachidonate metabolism in rabbit left ventricular myocardial infarction
... bradykinin (BK) administration with the synthesis of large quantities of eicosanoids. To anatomically localize these synthetic responses we studied the effects of fMLP and BK on eicosanoid synthesis in isolated atria and ...
9
Effect of free fatty acids on myocardial function and metabolism in the ischemic dog heart
... metabolism associated with increased uptake of FFA was not related to changes in coronary flow, MVO 2 , or LVSP. dP/dt and SV were virtually unchanged. Intravenous infusion of glucose/insulin, which lowered plasma ...
11
Computational studies of the effects of myocardial blood flow reductions on cardiac metabolism
... in myocardial blood flow on car- diac metabolism, we made some modifications to our previous computational model [17] and simulated the metabolic responses to a wide range of blood flow reduc- tions (from ...
14
Effect of hemoperfusion with hexadecyl-immobilized cellulose beads on myocardial fatty acid imaging in hemodialysis patients: a case series study
... the myocardial microcircula- ...impaired myocardial fatty acid imaging in hemodialysis ...improving myocardial fatty acid metabolism imaging could improve the impaired myocardial micro- ...
7
Diabetes, perioperative ischaemia and volatile anaesthetics: consequences of derangements in myocardial substrate metabolism
... increasing myocardial glucose metabolism to improve its energetic efficiency ...increase myocardial fatty acid utilisation and esterification ...of myocardial glucose and fatty acid oxidation ...
13
Alterations of myocardial amino acid metabolism in chronic ischemic heart disease
... and myocardial oxygen consumptions (MVO2) for the two groups were similar at rest and during pacing, although mean CSBF and MVO2 increased significantly in both groups in the paced as compared to the rest ...
9
Regulation by insulin of myocardial glucose and fatty acid metabolism in the conscious dog
... upon myocardial glucose and FFA uptake in vivo independent of changes in plasma substrate concentration, we measured arterial and coronary sinus concentrations of glucose, lactate, and FFA, and coronary blood flow ...
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