• Amit Prabhakar, Todd Lambert, Rachel J Kaye, Scott M Gaignard, Joseph Ragusa, Shannon Wheat, Vanessa Moll, Elyse M Cornett, Richard D Urman, and Alan David Kaye.
• Department of Anesthesiology, Division of Critical Care, Emory University School of Medicine, 550 Peachtree Street, Atlanta, GA, 30308, USA. Electronic address: amit.prabhakar@emory.edu.
• Best Pract Res Clin Anaesthesiol. 2019 Dec 1; 33 (4): 415-423.

AbstractAdjuvants are medications that work synergistically with local anesthetics to help enhance the duration and quality of analgesia in regional techniques. Regional anesthesia has become more prevalent as evidence continues to show efficacy, enhancement of patient care, increased patient satisfaction, and improved patient safety. Practitioners in the perioperative setting need to not only be familiar with regional techniques but also the medications used for them. Some examples of adjuvant medications for regional techniques include dexamethasone, alpha 2 agonists such as clonidine and dexmedetomidine, midazolam, buprenorphine, NMDA antagonists, including ketamine and magnesium, neostigmine, sodium bicarbonate, epinephrine, and non-steroidal anti-inflammatory drugs. The aim of the present investigation, therefore, is to provide a comprehensive review of the most commonly used non-opioid adjuvants in clinical practice today. Regional adjuvants can improve patient safety, increase patient satisfaction, and enhance clinical efficacy. Future studies and best practice techniques can facilitate standardization of regional anesthesia adjuvant dosing when providing nerve blocks in clinical practice.Published by Elsevier Ltd.

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