Anesthesiology
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Acute inhibition of nitric oxide synthase (NOS) has been demonstrated to reduce the anesthetic requirements of volatile anesthetics. Recent data suggest that not only volatile but also intravenous anesthetic agents interact with nitric oxide (NO) metabolism. The aim of this study was to examine the effect of NOS inhibition by nitroG-L-arginine-methyl-ester (L-NAME) on the anesthetic action of the intravenous anesthetics thiopental, propofol, and ketamine. ⋯ The results of the present study show that acute inhibition of NOS by L-NAME results in reduced anesthetic requirements of the intravenous anesthetics thiopental, propofol, and ketamine. This interaction of acutely administered L-NAME and intravenous anesthetics indicates that the NO-cyclic guanosine 3',5'-monophosphate system is involved in mediating the anesthetic effect of these compounds.
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Comment Letter Comparative Study
Implementation of pharmaceutical practice guidelines.