• Curr Opin Anaesthesiol · Aug 2016

    Review

    Opioids and tumour metastasis: does the choice of the anesthetic-analgesic technique influence outcome after cancer surgery?

    • Cara Connolly and Donal J Buggy.
    • aDepartment Anaesthesia, Mater Misericordiae University Hospital, School of Medicine, University College Dublin, Dublin, Ireland bOutcomes Research, Cleveland Clinic, Ohio, USA.
    • Curr Opin Anaesthesiol. 2016 Aug 1; 29 (4): 468-74.

    Purpose Of ReviewCancer is now one of the leading causes of death worldwide, and excisional surgery is an essential treatment for the four most common adult cancers. Opioids remain the most commonly prescribed analgesics in the perioperative period of cancer surgery, yet the question of whether opioids could influence recurrence or metastasis remains unanswered.Recent FindingsIn-vitro cell culture, live animal models, and retrospective clinical reviews investigating the effects of opioids on outcomes after cancer surgery have yielded conflicting results, with findings ranging from deleterious, null to potentially protective effects.SummaryProspective randomized trials are required to investigate this important topic further. Several are currently ongoing. Until the results of these are available for scrutiny, there is currently insufficient evidence to recommend any changes to current clinical practice. Opioids continue to play an important role in the perioperative period.

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