BACKGROUND
Two signatures of heart failure are activation of the sympathetic nervous system and catecholamine desensitization. However, whether or not the elimination of cardiac nerves affects either the progression of heart failure or catecholamine desensitization is not clear.
RESULTS
We studied 8
BACKGROUND
Activation in conscious dogs of the carotid chemoreflex or cardiac receptors results in coronary vasodilation that is mediated by a vagal cholinergic mechanism. Our previous study showed that the coronary vasodilation following activation of carotid chemoreflex is also mediated by nitric
OBJECTIVE
Because statins promote endogenous nitric oxide (NO) production in vessels by increasing endothelial nitric oxide synthase (eNOS), we evaluated the clinical benefit and efficiency of simvastatin in preventing the decrease in NO control of coronary blood flow (CBF), NO regulation of
Both enhanced sympathetic drive and altered autonomic control are involved in the pathogenesis of heart failure. The goal of the present study was to determine the extent to which chronically enhanced sympathetic drive, in the absence of heart failure, alters reflex autonomic control in conscious,
1. The aims of our study were to determine the role of nitric oxide (NO) in cholinergic reflex dilation of the coronary circulation in normal healthy conscious dogs and after the development of pacing-induced dilated cardiac myopathy and overt congestive heart failure. 2. Dogs were instrumented
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