Dose-dependent suppression of the neutrophil respiratory burst by lidocaine

P. M. Hyvönen, Michael Kowolik

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

Background: Oxygen radical production is thought to be fundamental to the pathogenesis of post-ischaemic reperfusion injury which is routinely managed with lidocaine. Attention has, therefore, focused on the suppression of the neutrophil respiratory burst with a therapeutic endpoint. The widest application of lidocaine remains in local analgesia. Methods: A standard chemiluminescence technique was used to assess the human neutrophil leukocyte response to increasing doses of lidocaine in the presence or absence of particulate hydroxyapatite. Results: No reduction of oxygen radical production was seen at the drug concentration of 1 mg/ml. A clear, concentration-dependent inhibition was seen at 2 mg/ml, 3 mg/ml, 4 mg/ml and 8 mg/ml concentrations. These drug concentrations may be reached at or near the site of injection in local anaesthetic use. Conclusion: Lidocaine showed profound anti-inflammatory action in this experimental system. Controlled studies in the clinical setting would identify the optimal analgesic and anti-inflammatory dosage, whilst preserving host defence without compromising tissue repair.

Original languageEnglish (US)
Pages (from-to)565-569
Number of pages5
JournalActa Anaesthesiologica Scandinavica
Volume42
Issue number5
StatePublished - 1998

Fingerprint

Respiratory Burst
Lidocaine
Neutrophils
Reactive Oxygen Species
Non-Steroidal Anti-Inflammatory Agents
Durapatite
Local Anesthetics
Luminescence
Reperfusion Injury
Pharmaceutical Preparations
Analgesia
Leukocytes
Anti-Inflammatory Agents
Injections
Therapeutics

Keywords

  • Anesthetics, local: lidocaine
  • Immunology: neutrophil, reactive oxygen species

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine

Cite this

Dose-dependent suppression of the neutrophil respiratory burst by lidocaine. / Hyvönen, P. M.; Kowolik, Michael.

In: Acta Anaesthesiologica Scandinavica, Vol. 42, No. 5, 1998, p. 565-569.

Research output: Contribution to journalArticle

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