Fiziologicheskii zhurnal
[Effect of adaptation to periodic hypoxia on post-infarction fall of blood pressure and hyperactivation of the endothelium].
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Abstrakt
Acute stress concomitant to the experimental myocardial infarction has induced endothelial hyperactivation of the rat aorta exhibited in an increase of inhibition of norepinephrine-induced contractions of vascular smooth muscle, enhanced endothelium-dependent relaxation correlating with a fall of systemic blood pressure. Preliminary adaptation of rats to intermittent hypobaric hypoxia greatly prevented the stress-induced endothelial hyperactivation and beneficially affected the postinfarction time course of blood pressure.