Abstract

We present detailed data on the role of central and peripheral opioid receptors in the regulation of heart resistance to arrhythmogenic factors. Stimulation of peripheral delta2- and kappa1-receptors increases heart resistance to the arrhythmogenic effect of acute ischemia and reperfusion. Activation of peripheral mu- and delta1-opioid receptors improves electrical stability of the heart in animals with postinfarction cardiosclerosis. Possible mechanisms for opioidergic regulation of heart resistance to arrhythmogenic factors are discussed.

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