Autonomic actions of cocaine

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Abstract
The development of our knowledge of the physiological, pharmacological, and biochemical actions of cocaine has in essence occurred in parallel with the development of our knowledge about the function of the autonomic nervous system. Cocaine is a sympathomimetic compound with potent local anesthetic properties. The principal hypothesis accepted to date to explain the sympathomimetic effects of cocaine is that this drug inhibits neuronal monoamine neurotransmitter reuptake by binding to a transporter or uptake site thereby increasing the effective concentration of neurotransmitter at adrenergic receptor sites. Much of the available evidence for this hypothesis has come from studies utilizing in vitro or in situ techniques. There have been relatively fewer studies examining the impact of cocaine on the autonomic nervous system in the intact animal. In addition, few studies have examined the effects of cocaine on central autonomic function. Past studies concerning the mechanism of action of cocaine are reviewed and recent data addressing the cardiovascular, respiratory, and central autonomic effects of cocaine are discussed.Key words: cocaine, autonomic nervous system.

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