The effect of age on pharmacokinetics of the local anesthetic drug articaine

Research output: Contribution to journalResearch articleContributedpeer-review

Contributors

Abstract

Background and Objectives. With increasing age, there are physiologic changes that could affect pharmacokinetics of drugs. More elderly patients are undergoing routine dental procedures for which local anesthesia could be required. The goal of the present study was to evaluate the effect of age on pharmacokinetics of the local anesthetic agent articaine. Methods. The submucosal infiltration anesthesia from two different dosages of 4% articaine without epinephrine was compared in healthy elderly and young volunteers. High performance liquid chromatography has been used to determine concentrations of articaine in serum. Basic pharmacokinetic parameters were calculated according to standard procedures using a two-exponent equation. Results. The clearance and volume of distribution (Vd(SS)) of articaine after infiltration anesthesia were significantly lower in elderly volunteers compared with young volunteers. The area under the serum concentration-time curve and maximum drug concentration (C(max)) values did not differ significantly with age; however, both parameters tended to be higher in elderly volunteers. No changes in terminal half-life and time to reach maximum serum concentration (t(max)) were observed. The C(max) and t(max) values of the metabolite articainic acid were similar in young and elderly volunteers. Conclusions. The results show that the metabolism of articaine is age-independent in healthy male volunteers. The smaller Vd(SS) in the elderly results in a trend to higher serum levels after a given dose of articaine. No change of dosage of articaine in elderly patients should be necessary.

Details

Original languageEnglish
Pages (from-to)524-528
Number of pages5
JournalRegional anesthesia and pain medicine
Volume24
Issue number6
Publication statusPublished - 1999
Peer-reviewedYes

External IDs

PubMed 10588556
ORCID /0000-0003-1526-997X/work/142247277

Keywords

ASJC Scopus subject areas

Keywords

  • Articaine, Dentistry, Elderly, Local anesthetics, Pharmacokinetics