coronary occlusion/carbohydrate

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Local coronary A-V blood gas, carbohydrate, and enzyme gradients following acute coronary occlusion: before and after selective elimination of preliminary indirect myocardial revascularization.

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[Effect of hyperbaric oxygenation on the cyclic nucleotide and catecholamine content, energy and carbohydrate metabolism and on cardiac contractile function in acute focal myocardial ischemia].

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Two hours after the ligation of the descending branch of the left coronary artery in rabbits the contractile function of the heart decreased, concentration of phosphocreatine, ATP, glycogen dropped, and the content of lactic acid in the ischaemic and intact areas of the left ventricle elevated.

[Effects of betaxolol, a cardioselective beta-adrenoceptor antagonist, on ischemic myocardial energy and carbohydrate metabolism in dogs].

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The effect of betaxolol, a beta 1-adrenoceptor antagonist, on ischemic myocardial metabolism was studied in dog hearts subjected to an occlusion of the left anterior descending coronary artery for 10 or 30 min. Betaxolol (0.1 or 0.3 mg/kg) was injected i.v. 5 min before ischemia. Betaxolol decreased

Effects of a N(6)-disubstituted adenosine derivative on myocardial metabolism and ischemic stress following coronary occlusion.

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The effect of N(6)-phenyl-N(6)-allyladenosine (PAA, BM 11.189) on myocardial ischemic stress was evaluated in six open-chest mongrel dogs during repeated coronary occlusions of 3 min. Whereas there was not significant change in hemodynamic parameters before and during coronary occlusions after

Influence of AIN-93 diet on mortality and cardiac remodeling after myocardial infarction in rats.

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BACKGROUND The AIN-93 diet was proposed by the American Institute of Nutrition with the objective of standardising studies in experimental nutrition. Our objective was to analyze the effects of AIN-93 diet after myocardial infarction in rats. METHODS Post weaning, the animals were divided into two

Cardiac ischemia. Part I--Metabolic and physiologic responses.

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In the ischemic state, which leads to myocardial infarction, there is a gradation of cardiac muscle injury and a sequence of functional loss. On coronary occlusion an immediate cellular leak of potassium occurs and the rate of relaxation declines. Within 1 to 2 minutes there is complete loss of

Different effects of interventions suppressing free fatty acid metabolism on myocardial ischemia.

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We studied the effects of different metabolic interventions, which stimulate oxidative myocardial carbohydrate metabolism, on ischemic stress during repeated coronary occlusions of three minutes in open-chest dog hearts. Increase of glucose concentration in plasma and decrease of peripheral

Carnitine-acylcarnitine translocase in ischemia: evidence for sulfhydryl modification.

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After coronary occlusion and reflow, carbohydrate catabolism is enhanced, whereas fatty acid utilization is delayed. To test the hypothesis that "stunning" of fatty acid use by ischemic heart reflects reduced fatty acid transport into the mitochondria, two activities involved in the transport were

Myocardial metabolism in toxin-induced heart failure and therapeutic implications.

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BACKGROUND Under normal conditions, myocardial metabolism is 60-80% reliant on the oxidation of fatty acids. This can be modified by conditions such as ischemia or poisoning with specific drugs, with the myocardium becoming more dependent on carbohydrate metabolism for energy. Acute poisoning with

Protective effects of mildronate in an experimental model of type 2 diabetes in Goto-Kakizaki rats.

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OBJECTIVE Mildronate [3-(2,2,2-trimethylhydrazinium) propionate] is an anti-ischaemic drug whose mechanism of action is based on its inhibition of L-carnitine biosynthesis and uptake. As L-carnitine plays a pivotal role in the balanced metabolism of fatty acids and carbohydrates, this study was

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