Abstract
Chronic toxicity of copper sulfate leads to the formation of system hemodynamic disturbances, which manifests itself in the form of increased mean arterial pressure in experimental animals and reduction in the pumping function of the heart. Increased heart rate in experimental animals under conditions of chronic copper toxicity is compensatory in nature and is intended to maintain the level of cardiac output. The observed increase adrenal reactivity of cardiovascular system in animals receiving only insulated copper sulfate, apparently due to changes in the activity of sympathetic nervous system. Under the conditions of experimental hypercalcemia toxic effects of copper on the cardiovascular system become more pronounced, probably due to an increase in the absorption of the metal in gastrointestinal tract. Copper sulphate amid intragastric administration of vitamin D3 leads to greater inhibition of the contractile function of the heart, as compared with the group of animals treated only xenobiotic. Despite a significant reduction in cardiac index, formed pronounced arterial hypertension associated with a strong increase of the specific peripheral vascular resistance. Effect of copper sulfate adrenal reactivity cardiovascular system is more pronounced in animals with experimental hypercalcemia model.
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