Serum concentrations and urinary excretion of lidocaine and its two desethylated metabolites after spinal anaesthesia using lidocaine or lidocaine with phenylephrine. 1985

R Lindberg, and J Kanto, and M Hovi-Viander, and E Laurikainen

In 13 patients undergoing transurethral prostatic resection under spinal anaesthesia with heavy lidocaine or with heavy lidocaine plus phenylephrine hydrochloride, the serum concentrations of lidocaine, monoethylglycinexylidide and glycinexylidide and their renal excretion were measured with a HPLC method. Seven patients were given lidocaine alone 1.25 mg/kg and six lidocaine 1.25 mg/kg mixed with phenylephrine hydrochloride 3 mg. There was no significant difference between the two groups either in the serum levels of lidocaine or in the renal excretion rate of lidocaine and its metabolites. This finding gives support to the opinion that phenylephrine in low doses has no prolonging effect on spinal anaesthesia performed with heavy lidocaine.

UI MeSH Term Description Entries
D007278 Injections, Spinal Introduction of therapeutic agents into the spinal region using a needle and syringe. Injections, Intraspinal,Injections, Intrathecal,Intraspinal Injections,Intrathecal Injections,Spinal Injections,Injection, Intraspinal,Injection, Intrathecal,Injection, Spinal,Intraspinal Injection,Intrathecal Injection,Spinal Injection
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008012 Lidocaine A local anesthetic and cardiac depressant used as an antiarrhythmia agent. Its actions are more intense and its effects more prolonged than those of PROCAINE but its duration of action is shorter than that of BUPIVACAINE or PRILOCAINE. Lignocaine,2-(Diethylamino)-N-(2,6-Dimethylphenyl)Acetamide,2-2EtN-2MePhAcN,Dalcaine,Lidocaine Carbonate,Lidocaine Carbonate (2:1),Lidocaine Hydrocarbonate,Lidocaine Hydrochloride,Lidocaine Monoacetate,Lidocaine Monohydrochloride,Lidocaine Monohydrochloride, Monohydrate,Lidocaine Sulfate (1:1),Octocaine,Xylesthesin,Xylocaine,Xylocitin,Xyloneural
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010656 Phenylephrine An alpha-1 adrenergic agonist used as a mydriatic, nasal decongestant, and cardiotonic agent. (R)-3-Hydroxy-alpha-((methylamino)methyl)benzenemethanol,Metaoxedrin,Metasympatol,Mezaton,Neo-Synephrine,Neosynephrine,Phenylephrine Hydrochloride,Phenylephrine Tannate,Neo Synephrine,Tannate, Phenylephrine
D003640 Dealkylation The removing of alkyl groups from a compound. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed) Dealkylations
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000775 Anesthesia, Spinal Procedure in which an anesthetic is injected directly into the spinal cord. Anesthesias, Spinal,Spinal Anesthesia,Spinal Anesthesias

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