• Curr Opin Anaesthesiol · Aug 2017

    Review

    Opioid-induced hyperalgesia in clinical anesthesia practice: what has remained from theoretical concepts and experimental studies?

    • Lena Weber, David C Yeomans, and Alexander Tzabazis.
    • Department of Anesthesia, Pain and Perioperative Medicine, Stanford University, Stanford, California, USA.
    • Curr Opin Anaesthesiol. 2017 Aug 1; 30 (4): 458-465.

    Purpose Of ReviewThis article reviews the phenomenon of opioid-induced hyperalgesia (OIH) and its implications for clinical anesthesia. The goal of this review is to give an update on perioperative prevention and treatment strategies, based on findings in preclinical and clinical research.Recent FindingsSeveral systems have been suggested to be involved in the pathophysiology of OIH with a focus on the glutaminergic system. Very recently preclinical data revealed that peripheral μ-opioid receptors (MORs) are key players in the development of OIH and acute opioid tolerance (AOT). Peripheral MOR antagonists could, thus, become a new prevention/treatment option of OIH in the perioperative setting. Although the impact of OIH on postoperative pain seems to be moderate, recent evidence suggests that increased hyperalgesia following opioid treatment correlates with the risk of developing persistent pain after surgery. In clinical practice, distinction among OIH, AOT and acute opioid withdrawal remains difficult, especially because a specific quantitative sensory test to diagnose OIH has not been validated yet.SummarySince the immediate postoperative period is not ideal to initiate long-term treatment for OIH, the best strategy is to prevent its occurrence. A multimodal approach, including choice of opioid, dose limitations and addition of nonopioid analgesics, is recommended.

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    This article appears in the collection: Is remifentanil associated with Opioid Induced Hyperalgesia and Acute Opioid Tolerance?.

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