[Age-related features of intracellular calcium homeostasis in rat cardiomyocites in postinfarction heart remodeling].

Research results of features of an intracellular calcium homeostasis in 4 and 12-month's rat cardiomyocites at postinfarction cardiosclerosis are presented. It is shown that the myocardium of animals in the old rats group is more susceptible to extrasystolic impacts. In the pathology conditions additional extrasystolic influences also had the expressed age specificity of inotropic response.

[Effect of nonselective beta-adrenoblocker carvedilol on extrasystolic and postextrasystolic contractility in the rat myocardium after experimental infarction].

Features of the extrasystolic and postextrasystolic contractility of myocardium isolated from rats aged 4 months (group I, n = 30) and 12 months (group II, n = 30) after postinfarction remodeling of the heart (PIRH) and long-term treatment with carvedilol have been studied. Each age group included in 10 intact control animals, 10 animals with postinfarction cardiosclerosis (PICS), and 10 rats with PICS treated with carvedilol (2.1 mg/kg) during 28 days, beginning with the 45th day after coronary occlusion.

[The protective effect of trimetazidine on the myocardium against reperfusion injury during thrombolytic therapy of acute infarction].

Investigation of the protective action of the antiischemic drug trimetazidine (60 mg/kg) used during thrombolytic treatment of acute infarction showed that the drug effectively inhibits lipid peroxidation and reduces the degree of the reperfusive damage of myocardium, as determined from ECG (QRS index calculation) or from data on the blood creatinin phosphokinase level.

Cardioprotective effect of trimetazidine during thrombolytic therapy in patients with acute myocardial infarction.

We studied the cardioprotective effect of anti-ischemic drug trimetazidine in the thrombolytic therapy of acute myocardial infarction. Trimetazidine (60 mg/day) effectively inhibits lipid peroxidation and moderates reperfusion damage to the myocardium assessed by ECG, QRS index of damaged heart, and release of creatine phosphokinase into circulation.

[Effect of the bioantioxidant histochrome on myocardial injury in reperfusion therapy on patients with myocardial infarction].

Aim: To evaluate effects of histochrome on severity of reperfusion damage in opening of the coronary artery in patients with acute myocardial infarction (MI).

Material And Methods: 86 acute MI patients were randomized into three groups. 26 patients of group 1 A received 100 mg histochrome 10 min before and 1 hour after intravenous bolus administration of thrombolytic streptokinase; 20 patients of group 1 B received histochrome by the same scheme on the disease day 1 followed by 100 mg/day for 10 days; 40 control patients have undergone thrombolysis without prophylactic histochrome.