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Abstract

Perioperative beta-blocker administration has recently been recommended for patients undergoing cardiac or other surgery due to the beneficial cardiovascular effects of these agents. In addition, some studies have reported that perioperatively administered beta-blockers also have analgesic effects. In this study, to investigate the antinociceptive effects and the analgesic profile of landiolol, we examined the effects of intrathecal landiolol administration on nociceptive pain behavior and c-fos mRNA expression (a neural marker of pain) in the spinal cord using a rat formalin model. We found that pain-related behavior was inhibited by intrathecal landiolol administration. Moreover, the increase in c-fos mRNA expression on the formalin-injected side was less pronounced in rats administered landiololthan in saline administered controls. Thus, intrathecal administration of landiolol exhibited antinociceptiveeffects. Further investigation of the antinociceptive mechanism of landiolol is required.

Journal

  • Acta Medica Okayama

    Acta Medica Okayama 66(3), 285-289, 2012-06

    Okayama University Medical School

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