INFLUENCE OF PREMEDICATION ON LIGNOCAINE-INDUCED ACUTE TOXICITY AND PLASMA CONCENTRATIONS OF LIGNOCAINE

The effects were studied, in eight healthy volunteers, of premedication with diazepam 0.14 mg kg−1 by mouth or hyoscine 6 μg kg−1 ³ morphine 0.2 mg kg 1 i.m., or no premedication, on toxic symptoms and plasma concentrations after rapid i.v. injection of lignocaine 1 mg kg−1. The α1-acid glycoprotein...

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Bibliographic Details
Published in:British journal of anaesthesia : BJA 1988-08, Vol.61 (2), p.131-134
Main Authors: HAASIO, J, HEKALI, R, ROSENBERG, P.H.
Format: Article
Language:English
Subjects:
Adult
Anesthetics. Neuromuscular blocking agents
Biological and medical sciences
Central Nervous System - drug effects
Diazepam - pharmacology
Female
Humans
Lidocaine - blood
Lidocaine - toxicity
Male
Medical sciences
Morphine - pharmacology
Neuropharmacology
Pharmacology. Drug treatments
Preanesthetic Medication
Scopolamine - pharmacology
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Summary:The effects were studied, in eight healthy volunteers, of premedication with diazepam 0.14 mg kg−1 by mouth or hyoscine 6 μg kg−1 ³ morphine 0.2 mg kg 1 i.m., or no premedication, on toxic symptoms and plasma concentrations after rapid i.v. injection of lignocaine 1 mg kg−1. The α1-acid glycoprotein (AAG) and albumin plasma protein fractions were assessed. A variety of mild central nervous system (CNS) symptoms were experienced after the bolus of lignocaine. However, there was no correlation between premedication and degree of severity or number of CNS symptoms. The highest single arterial plasma concentration of lignocaine was 11.0 μg ml−1, 1 min after injection. There was no correlation between plasma concentration of lignocaine and occurrence of CNS symptoms. Furthermore, there was no correlation between AAG or albumin plasma concentrations and lignocaine plasma concentrations.
ISSN:0007-0912
1471-6771
DOI:10.1093/bja/61.2.131