Abstract
Experimental myocardial infarction (coronary ligation without drug infusion) reduced heart rate, stroke volume, cardiac output, and blood pressure. Under conditions of blocked NO synthesis, experimental myocardial infarction was accompanied by a transient increase in heart rate, stroke volume, cardiac output, and blood pressure, followed by their decrease throughout the experiment. Experimental myocardial infarction against the background of L-arginine treatment increased all these parameters with their subsequent stabilization at the attained level. Animal survival after administration of L-arginine was 80% vs. 33 in the control, and 22% after administration of L-NAME. It can be hypothesized that L-arginine possesses an intrinsic NO-independent cardioprotective effect.
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Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 139, No. 4, pp. 371–375, April, 2005
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Rakhmatullina, F.F., Nasyrov, A.G. & Zefirov, A.L. The Course of Experimental Myocardial Infarction under Conditions of Suppressed and Enhanced NO Synthesis. Bull Exp Biol Med 139, 384–387 (2005). https://doi.org/10.1007/s10517-005-0300-8
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DOI: https://doi.org/10.1007/s10517-005-0300-8