Opioid induced hyperalgesia altered with propofol infusion

Alan David Kaye, Keun Sam Chung, Nalini Vadivelu, Catalin M Cantemir, Richard D. Urman, Laxmaiah Manchikanti

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

Propofol is a common induction agent that is utilized worldwide in the field of anesthesiology. In recent years, its potential therapeutic role in a variety of patient states has been demonstrated. Controversy exists regarding Propofol mediated analgesic and antihyperalgesic properties. Recent studies have suggested a variety of different mechanisms of action, including modulation of N-Methyl-D- Aspartate receptors and the endocannabinoid system. The N-Methyl-D- Aspartate receptor is part of a larger family of glutamate receptors and is an important mediator of excitatory neurotransmission. In the case presented, the pain experienced by the patient was not well-controlled, in spite of increasing doses of opioids, potentially due to superimposed opioid induced hyperalgesia. In the present case, we demonstrate a cycle of opioid induced hyperalgesia which was successfully affected with a Propofol infusion. Controversial reports exist in animal studies on the analgesic properties of Propofol. Randomized controlled studies in animal models studying the effect of Propofol on pain sensation have shown that Propofol possesses an analgesic effect. This clinical case demonstrates that Propofol could possibly have antihyperalgesic effects on opioid induced hyperalgesia caused by high-doses of chronic opioids and worsened by fentanyl. We postulate that a probable mechanism of complete pain relief after the procedure could be the inhibition of activity of the N-Methyl-DAspartate receptor by Propofol because it was the only agent the patient received during the procedure, causing a break of the cycle of opioid induced hyperalgesia. Additional research is required to clarify Propofol mediated or modulated analgesic properties in humans.

Original languageEnglish (US)
JournalPain Physician
Volume17
Issue number2
StatePublished - 2014
Externally publishedYes

Keywords

  • Analgesia
  • Anesthesia
  • Antihyperalgesia
  • Hyperalgesia
  • Opioids
  • Propofol

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine

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    Kaye, A. D., Chung, K. S., Vadivelu, N., Cantemir, C. M., Urman, R. D., & Manchikanti, L. (2014). Opioid induced hyperalgesia altered with propofol infusion. Pain Physician, 17(2).